Night crying is a condition that infants under one year old often cry at night, or at regular times, sometimes throughout the entire night, but acting normal during daytime. We treated 20 cases by tuina and auricular ...Night crying is a condition that infants under one year old often cry at night, or at regular times, sometimes throughout the entire night, but acting normal during daytime. We treated 20 cases by tuina and auricular application. It is reported as follows.展开更多
Objective: To observe the clinical efficacy of Three-character-scripture School pediatric tuina for infants with night crying. Methods: Sixty cases with night crying were treated with Three-character- scripture School...Objective: To observe the clinical efficacy of Three-character-scripture School pediatric tuina for infants with night crying. Methods: Sixty cases with night crying were treated with Three-character- scripture School pediatric tuina, followed by observing the efficacy. Results: Forty-nine cases were recovered, 7 cases improved, and 4 cases failed. The total effective rate was 93.3%. Conclusion: Three-character-scripture School pediatric tuina is effective for night crying of infants. It should be spread and applied due to its manipulation with less acupoints, simple operation and no pain for infants.展开更多
The rapid expansion of urbanization has led to widespread exposure of wild birds to intensive light at night(LAN).While previous studies have established LAN-induced cognitive impairment in birds,the underlying neurob...The rapid expansion of urbanization has led to widespread exposure of wild birds to intensive light at night(LAN).While previous studies have established LAN-induced cognitive impairment in birds,the underlying neurobiological mechanisms remain poorly understood.We hypothesized that LAN exposure impaired cognitive function of birds potentially through neurodegeneration,metabolic dysregulation and neuroinflammatory responses in the telencephalon.Using Zebra Finches(Taeniopygia guttata)as an avian model,under 16L:8D photoperiods,we compared associative learning and memory abilities and neurobiological parameters between experimental groups exposed to dim light at night(LAN)versus nocturnal darkness(CTR).Compared to the CTR birds,the LAN-exposed birds exhibited significantly lower learning and memory performances,reduced neuron density and simplified dendritic morphology in the telencephalons.The key energy metabolic substrates(cholic acid,CTP,D-mannose-6-phosphate)and neuroprotective agents(trehalose,menaquinone,L-gulono-1,4-lactone)in the telencephalons of LAN-exposed birds showed depletion,while oxidative stress markers(methionine sulfoxide)and inflammatory mediators(cis-gondoic acid)exhibited elevation.The neurotransmitter dopamine and histamine metabolic pathway were disrupted in the LAN-exposed birds.The microglias were activated with pro-inflammatory IL-1βand IL-6 levels increasing and anti-inflammatory IL-10 decreasing in the telencephalons of the LAN-exposed birds.These findings indicate a potential mechanistic pathway whereby dim light exposure at night can induce neuroinflammation through oxidative stress-mediated microglial activation,energy metabolism and neurotransmitter homeostasis disruption,ultimately leading to neurodegeneration in the telencephalons of birds.展开更多
Nighttime navigation faces challenges from limited data and interference,especially when satellite signals are unavailable.Leveraging lunar polarized light,polarization navigation offers a promising solution for night...Nighttime navigation faces challenges from limited data and interference,especially when satellite signals are unavailable.Leveraging lunar polarized light,polarization navigation offers a promising solution for nighttime autonomous navigation.Current algorithms,however,are limited by the requirement for known horizontal attitudes,restricting applications.This study introduces an autonomous 3-D attitude determination method to overcome this limitation.Our approach utilizes the Angle of Polarization(AOP)at night to extract neutral points from the AOP pattern.This allows for the calculation of polarization meridian plane information for attitude determination.Subsequently,we present an optimized Polarization TRIAD(Pol-TRIAD)algorithm to acquire the 3-D attitude.The proposed method outperforms the existing approaches in outdoor experiments by achieving lower Root Mean Square Error(RMSE).For one baseline attitude,it improves pitch by 31.7%,roll by 21.7%,and yaw by 2.6%,while for the attitude with a larger tilt angle,the improvements are 64.4%,30.4%,and 9.1%,respectively.展开更多
Objective To explore and quantify the association of hot night exposure during the sperm development period(0–90 lag days) with semen quality.Methods A total of 6,640 male sperm donors from 6 human sperm banks in Chi...Objective To explore and quantify the association of hot night exposure during the sperm development period(0–90 lag days) with semen quality.Methods A total of 6,640 male sperm donors from 6 human sperm banks in China during 2014–2020were recruited in this multicenter study.Two indices(i.e.,hot night excess [HNE] and hot night duration[HND]) were used to estimate the heat intensity and duration during nighttime.Linear mixed models were used to examine the association between hot nights and semen quality parameters.Results The exposure-response relationship revealed that HNE and HND during 0–90 days before semen collection had a significantly inverse association with sperm motility.Specifically,a 1 ℃ increase in HNE was associated with decreased sperm progressive motility of 0.0090(95% confidence interval[CI]:–0.0147,–0.0033) and decreased total motility of 0.0094(95% CI:–0.0160,–0.0029).HND was significantly associated with reduced sperm progressive motility and total motility of 0.0021(95% CI:–0.0040,–0.0003) and 0.0023(95% CI:–0.0043,–0.0002),respectively.Consistent results were observed at different temperature thresholds on hot nights.Conclusion Our findings highlight the need to mitigate nocturnal heat exposure during spermatogenesis to maintain optimal semen quality.展开更多
The unbreakable doll performance at Tang Dynasty Night City has become extremely popular,sparking a wave of enthusiasm online.In the performance,actors dressed in elegant Tang Dynasty attire appear as if they have ste...The unbreakable doll performance at Tang Dynasty Night City has become extremely popular,sparking a wave of enthusiasm online.In the performance,actors dressed in elegant Tang Dynasty attire appear as if they have stepped out of a historical painting,gracefully dancing on the unbreakable doll apparatus.Every gesture and expression exudes the unparalleled elegance of the Tang Dynasty.This paper primarily analyzes the mechanical principles behind the Tang Dynasty Night City’s Unbreakable Doll Performance,starting with structural design to examine its mechanical principles and summarize its dynamic mechanical control mechanisms.展开更多
Global warming is primarily characterized by asymmetric temperature increases,with greater temperature rises in winter/spring and at night compared to summer/autumn and the daytime.We investigated the impact of winter...Global warming is primarily characterized by asymmetric temperature increases,with greater temperature rises in winter/spring and at night compared to summer/autumn and the daytime.We investigated the impact of winter night warming on the top expanded leaves of the spring wheat cultivar Yangmai 18 and the semi-winter wheat cultivar Yannong 19 during the 2020-2021 growing season.Results showed that the night-time mean temperature in the treatment group was 1.27°C higher than the ambient temperature,and winter night warming increased the yields of both wheat cultivars,the activities of sucrose synthase and sucrose phosphate synthase after anthesis,and the biosynthesis of sucrose and soluble sugars.Differentially expressed genes(DEGs)were identified using criteria of P-value<0.05 and fold change>2,and they were subjected to Gene Ontology(GO)annotation and Kyoto Encyclopedia of Genes and Genomes(KEGG)pathway enrichment analyses.Genes differentially expressed in wheat leaves treated with night warming were primarily associated with starch and sucrose metabolism,amino acid biosynthesis,carbon metabolism,plant hormone signal transduction,and amino sugar and nucleotide sugar metabolism.Comparisons between the groups identified 14 DEGs related to temperature.These results highlight the effects of winter night warming on wheat development from various perspectives.Our results provide new insights into the molecular mechanisms of the response of wheat to winter night warming and the candidate genes involved in this process.展开更多
Infertility,defined as the inability to achieve a clinical pregnancy after 1 year of unprotected and regular sexual intercourse,affects approximately 8%–12%of couples worldwide during their childbearing years.Assiste...Infertility,defined as the inability to achieve a clinical pregnancy after 1 year of unprotected and regular sexual intercourse,affects approximately 8%–12%of couples worldwide during their childbearing years.Assisted reproductive technology(ART)offers interventions to facilitate conception in couples with infertility.Since the inception of traditional in vitro fertilization(IVF)in 1978,ART has facilitated the birth of millions of infants.Intracytoplasmic sperm injection(ICSI)is an effective technique for couples ineligible for traditional IVF.Individual female factors,such as age and endometrial thickness,have been shown to affect embryo development during the IVF process,resulting in unfavorable pregnancy outcomes[1-3].However,the influence of environmental and male factors on early reproductive outcomes cannot be ignored.As a novel form of environmental pollution,light at night(LAN)has intensified with the rapid pace of urbanization,potentially leading to reproductive health problems in both women and men.However,to our knowledge,no study has explored the effects of LAN exposure on the early reproductive outcomes of IVF.Furthermore,the normal development of embryos relies on the contributions of both partners,and the influence of male factors on the early reproductive outcomes of IVF should not be overlooked.展开更多
Dear Editor,Sleep deprivation and loss can have detrimental effects on brain function.Among common patterns of sleep loss are delayed sleep onset(early night sleep loss,EL)and premature awakening(late night sleep loss...Dear Editor,Sleep deprivation and loss can have detrimental effects on brain function.Among common patterns of sleep loss are delayed sleep onset(early night sleep loss,EL)and premature awakening(late night sleep loss,LL).Here,we investigated the distinct impacts of EL and LL on resting-state brain activity.A total of 100 healthy students from several universities in Beijing were recruited and randomly assigned to one of three groups:EL,LL,or full sleep(FS).Restingstate functional magnetic resonance imaging(rs-fMRI)scans were conducted following the sleep manipulations.Compared to the FS group,the LL group showed abnormal low-frequency fluctuation(fALFF)in the prefrontal cortex and insula.展开更多
The White-eared Night Heron (Gorsachius magnificus) is a Class II protected species in China. It is difficult to observe in the field and its population is small. The present study reports a new distribution site in N...The White-eared Night Heron (Gorsachius magnificus) is a Class II protected species in China. It is difficult to observe in the field and its population is small. The present study reports a new distribution site in Nanxiong County, in northern Guangdong Province, where observations of an active nest were made from 4 May to 14 July 2012, the first time consecutive observations have been made for a period of more than two months. The adults flew away from the nest at night, with a peak at 19:00-20:00 and returned in the mornings with a peak at 04:30-05:30. The peak time for feeding young was at 05:00-05:30, accounting for 26.5%of total feeding activities. No feeding occurred from 10:00 to 16:00. The results of our study of its behavior explain why the White-eared Night Heron is usually observed in the evening just before dark, or in the morning before sunrise, at least during the breeding season. There were about 67 days from hatching to fledging, longer than the fledging time of most heron species. This study is the first to cover the entire period of parental care and fills a gap in previous knowledge.展开更多
[Objective] The aim was to explore the effects of low night temperature treatment on sucrose synthesis ability of tomato leaves in seedling stage.[Method] Effects of low night temperature of 6 ℃（with 15 ℃ as contro...[Objective] The aim was to explore the effects of low night temperature treatment on sucrose synthesis ability of tomato leaves in seedling stage.[Method] Effects of low night temperature of 6 ℃（with 15 ℃ as control）on the sucrose synthesis ability of tomato leaves were studied after 1,3,5,7 d of treatment.[Result] The contents of fructose,glucose and sucrose in tomato leaves were higher than control at 6：00 during the treatment of low night temperature,but in contrast at 11：00.The contents of fructose,glucose and sucrose in tomato leaves of low night temperature treatment and control group at 6：00 were lower than that at 11：00.The content of starch in tomato leaves was higher than control at 6：00 and 11：00 during the treatment.And the activities of sugar metabolism enzymes of tomato were changed by the treatment of low night temperature.The activities of acid invertase（AI）and neutral invertase（NI）were higher than those of control,while the activities of sucrose synthase（SS）and sucrose phosphate synthase（SPS）were lower than control at 6：00 and 11：00 during the treatment.The activity of all the enzymes at 11：00 of low night temperature treatment plants treated for 1,3,5,7 d was higher than that at 6：00.Compared to 6：00,the invertase activity of the control plant decreased,while the synthetase activity increased.The activity of sucrose synthase（SS）was decreased for treated plants,and the increase amount of sucrose content in leaves was lower than that of control at 11：00 during the treatment,indicating that the sucrose synthesis ability of tomato leaves was decreased by the treatment of low night temperature.[Conclusion] The results in this study had provided theoretical basis for the environmental control of high-yield cultivation of tomato.展开更多
Once,in 2007,the authors had written:regarding to the endangerment of the White-eared Night Heron (Gorsachius magnificus),it would be evidentially to say that no longer the status of the bird is to meet the Criteria E...Once,in 2007,the authors had written:regarding to the endangerment of the White-eared Night Heron (Gorsachius magnificus),it would be evidentially to say that no longer the status of the bird is to meet the Criteria EN C1 but more likely still marginally meet EN C2a(i),and hence the bird might be currently remained amongst those Endangered (EN),with caveats that,if any bird could have been found in an area outside the range of any known subpopulation,it will then warrant a lower threat status.Now,it is time for due consideration.展开更多
Aim To describe accumulating frames characteristics of CCD camera as a night vision detector. Methods Utilizing CCD external trigger, computer video capture card and image processing software, the image accumul...Aim To describe accumulating frames characteristics of CCD camera as a night vision detector. Methods Utilizing CCD external trigger, computer video capture card and image processing software, the image accumulation was made. Results The detection of the static object image whose illuminance on the CCD FPA(focal plane array) was less than 3 7×10 -5 lx was realized and the image's resolution of 300?TV lines was achieved. Conclusion This experimental system can provide a kind of night vision device capable of detecting the static object at low light level and with low cost compared to an image intensifier.展开更多
Traveling is one major theme of Fitzgerald's novel Tender Is the Night. This fashionable activity for the 1920 s Americans is represented in the novel as ostensibly bearing different meanings to the main character...Traveling is one major theme of Fitzgerald's novel Tender Is the Night. This fashionable activity for the 1920 s Americans is represented in the novel as ostensibly bearing different meanings to the main characters, but a deeper look would reveal that it is unanimously resorted to as a weapon against the spiritual barrenness caused by the cult of business, and more importantly, as a way to the experience of rootedness.展开更多
The effects of different levels of CaCl 2 on photosynthesis under low night temperature（8°C） stress in peanuts were studied in order to find out the appropriate concentration of Ca2＋through the artificial clim...The effects of different levels of CaCl 2 on photosynthesis under low night temperature（8°C） stress in peanuts were studied in order to find out the appropriate concentration of Ca2＋through the artificial climate chamber potted culture test.The results indicated that Ca2＋,by means of improving the stomatal conductivity of peanut leaves under low night temperature stress,may mitigate the decline of photosynthetic rate in the peanut leaves.The regulation with 15 mmol L-1CaCl 2（Ca15） was the most effective,compared with other treatments.Subsequently,the improvement of Ca2＋on peanut photosynthesis under low night temperature stress was validated further through spraying with Ca15,Ca2＋chelator（ethylene glycol bis（2-aminoethyl） tetraacetic acid; EGTA） and calmodulin antagonists（trifluonerazine; TFP）.And CaM（Ca2＋-modulin） played an important role in the nutritional signal transduction for Ca2＋mitigating photosynthesis limitations in peanuts under low night temperature stress.展开更多
Night is Elie Wiesel's classic memoir of the Holocaust. One of its central themes is that once involved in war, a person is doomed to undergo a transformation from a human being to a soulless body. To understand t...Night is Elie Wiesel's classic memoir of the Holocaust. One of its central themes is that once involved in war, a person is doomed to undergo a transformation from a human being to a soulless body. To understand this theme, we shall have to travel with Eliezer, the protagonist as well as the fi rst person narrator, through the long nights of living in fear of hunger, terror, and violence. Hopefully, the leg of this journey would reveal how the consistent exposure to traumatic experiences can compel a person to abandon the soul as his or her emotional and spiritual homebase.展开更多
Urban population during the daytime and at night and their spatial distribution are important bases for planning urban infrastructure, public services and disaster relief. As current population statistics cannot disti...Urban population during the daytime and at night and their spatial distribution are important bases for planning urban infrastructure, public services and disaster relief. As current population statistics cannot distinguish urban population during the daytime from that at night, existed research in this field are quite limited. This paper tries to advance studies at this aspect by establishing a relationship model for the three components of ＇population, land use and time （daytime or night）＇ to explore the temporal and spatial characteristics of different types of population, which is aimed to estimate urban population during the daytime and at night and to analyze their spatial characteristics at grid scale. Furthermore, an empirical case study has been carried out at the Haidian District in Beijing, China to test the model. The results are as follows： （1） The spatial structure of urban population during the daytime is significantly different from that at night. The spatial distribution of urban population during the daytime is more extensive and more agglomerated that that at night. （2） Several types of spatial coupling relationship between population during the daytime and that at night have been identified, such as sandwich mode, symmetry mode, convergence mode and single mode, etc. （3） The spatial distribution of daytime and nighttime population also reflects certain factors during the development of China, such as the distribution of old residential areas, the construction of new industrial districts, and the differences between urban and rural areas, which can provide reference points for studies in this field and other regional research.展开更多
Temperature is one of the key factors that influence cotton fiber synthesis at the late growth stage of cotton. In this paper, using two early-maturing cotton varieties as experimental materials, night temperature inc...Temperature is one of the key factors that influence cotton fiber synthesis at the late growth stage of cotton. In this paper, using two early-maturing cotton varieties as experimental materials, night temperature increase was stimulated in the field using far-infrared quartz tubes set in semi-mobile incubators and compared with the normal night temperatures （control） in order to investigate the effects of night temperature on the cotton fiber cellulose synthesis during secondary wall thickening. The results showed that the activity of sucrose synthase （SuSy） and sucrose phosphate synthase （SPS） quickly increased and remained constant during the development of cotton fiber, while the activity of acid invertase （AI） and alkaline invertase （NI） decreased, increased night temperatures prompted the rapid transformation of sugar, and all the available sucrose fully converted into cellulose. With night temperature increasing treatment, an increase in SuSy activity and concentration of sucrose indicate more sucrose converted into UDPG （uridin diphosphate-glucose） during the early and late stages of cotton fiber development. Furthermore, SPS activity and the increased concentration of fructose accelerated fructose degradation and reduced the inhibition of fructose to SuSy; maintaining higher value of allocation proportion of invertase and sucrose during the early development stages of cotton fiber, which was propitious to supply a greater carbon source and energy for cellulose synthesis. Therefore, the minimum temperature in the nightime was a major factor correlated with the activity of sucrose metabolism enzymes in cotton fiber. Consequently, soluble sugar transformation and cellulose accumulation were closely associated with the minimum night temperature.展开更多
In this paper, a novel fusion framework is proposed for night-vision applications such as pedestrian recognition,vehicle navigation and surveillance. The underlying concept is to combine low-light visible and infrared...In this paper, a novel fusion framework is proposed for night-vision applications such as pedestrian recognition,vehicle navigation and surveillance. The underlying concept is to combine low-light visible and infrared imagery into a single output to enhance visual perception. The proposed framework is computationally simple since it is only realized in the spatial domain. The core idea is to obtain an initial fused image by averaging all the source images. The initial fused image is then enhanced by selecting the most salient features guided from the root mean square error(RMSE) and fractal dimension of the visual and infrared images to obtain the final fused image.Extensive experiments on different scene imaginary demonstrate that it is consistently superior to the conventional image fusion methods in terms of visual and quantitative evaluations.展开更多
文摘Night crying is a condition that infants under one year old often cry at night, or at regular times, sometimes throughout the entire night, but acting normal during daytime. We treated 20 cases by tuina and auricular application. It is reported as follows.
文摘Objective: To observe the clinical efficacy of Three-character-scripture School pediatric tuina for infants with night crying. Methods: Sixty cases with night crying were treated with Three-character- scripture School pediatric tuina, followed by observing the efficacy. Results: Forty-nine cases were recovered, 7 cases improved, and 4 cases failed. The total effective rate was 93.3%. Conclusion: Three-character-scripture School pediatric tuina is effective for night crying of infants. It should be spread and applied due to its manipulation with less acupoints, simple operation and no pain for infants.
基金supported by grants from Key laboratory of Ecology and Environment in Minority Area,National Ethnic Affairs Commission(KLEEMA202207)。
文摘The rapid expansion of urbanization has led to widespread exposure of wild birds to intensive light at night(LAN).While previous studies have established LAN-induced cognitive impairment in birds,the underlying neurobiological mechanisms remain poorly understood.We hypothesized that LAN exposure impaired cognitive function of birds potentially through neurodegeneration,metabolic dysregulation and neuroinflammatory responses in the telencephalon.Using Zebra Finches(Taeniopygia guttata)as an avian model,under 16L:8D photoperiods,we compared associative learning and memory abilities and neurobiological parameters between experimental groups exposed to dim light at night(LAN)versus nocturnal darkness(CTR).Compared to the CTR birds,the LAN-exposed birds exhibited significantly lower learning and memory performances,reduced neuron density and simplified dendritic morphology in the telencephalons.The key energy metabolic substrates(cholic acid,CTP,D-mannose-6-phosphate)and neuroprotective agents(trehalose,menaquinone,L-gulono-1,4-lactone)in the telencephalons of LAN-exposed birds showed depletion,while oxidative stress markers(methionine sulfoxide)and inflammatory mediators(cis-gondoic acid)exhibited elevation.The neurotransmitter dopamine and histamine metabolic pathway were disrupted in the LAN-exposed birds.The microglias were activated with pro-inflammatory IL-1βand IL-6 levels increasing and anti-inflammatory IL-10 decreasing in the telencephalons of the LAN-exposed birds.These findings indicate a potential mechanistic pathway whereby dim light exposure at night can induce neuroinflammation through oxidative stress-mediated microglial activation,energy metabolism and neurotransmitter homeostasis disruption,ultimately leading to neurodegeneration in the telencephalons of birds.
基金supported in part by the National Key Research and Development Program of China(Nos.2020YFA0711200,2022YFB4701301)in part by the Defense Industrial Technology Development Program,China(No.JCKY2021601B016)+1 种基金in part by the Fundamental Research Funds for the Central Universities,China(No.YWF-23-JC-07)in part by the National Natural Science Foundation of China(No.62425302)。
文摘Nighttime navigation faces challenges from limited data and interference,especially when satellite signals are unavailable.Leveraging lunar polarized light,polarization navigation offers a promising solution for nighttime autonomous navigation.Current algorithms,however,are limited by the requirement for known horizontal attitudes,restricting applications.This study introduces an autonomous 3-D attitude determination method to overcome this limitation.Our approach utilizes the Angle of Polarization(AOP)at night to extract neutral points from the AOP pattern.This allows for the calculation of polarization meridian plane information for attitude determination.Subsequently,we present an optimized Polarization TRIAD(Pol-TRIAD)algorithm to acquire the 3-D attitude.The proposed method outperforms the existing approaches in outdoor experiments by achieving lower Root Mean Square Error(RMSE).For one baseline attitude,it improves pitch by 31.7%,roll by 21.7%,and yaw by 2.6%,while for the attitude with a larger tilt angle,the improvements are 64.4%,30.4%,and 9.1%,respectively.
基金funded by the Guangdong Provincial Natural Science Foundation of China(No.2022A1515011517).
文摘Objective To explore and quantify the association of hot night exposure during the sperm development period(0–90 lag days) with semen quality.Methods A total of 6,640 male sperm donors from 6 human sperm banks in China during 2014–2020were recruited in this multicenter study.Two indices(i.e.,hot night excess [HNE] and hot night duration[HND]) were used to estimate the heat intensity and duration during nighttime.Linear mixed models were used to examine the association between hot nights and semen quality parameters.Results The exposure-response relationship revealed that HNE and HND during 0–90 days before semen collection had a significantly inverse association with sperm motility.Specifically,a 1 ℃ increase in HNE was associated with decreased sperm progressive motility of 0.0090(95% confidence interval[CI]:–0.0147,–0.0033) and decreased total motility of 0.0094(95% CI:–0.0160,–0.0029).HND was significantly associated with reduced sperm progressive motility and total motility of 0.0021(95% CI:–0.0040,–0.0003) and 0.0023(95% CI:–0.0043,–0.0002),respectively.Consistent results were observed at different temperature thresholds on hot nights.Conclusion Our findings highlight the need to mitigate nocturnal heat exposure during spermatogenesis to maintain optimal semen quality.
文摘The unbreakable doll performance at Tang Dynasty Night City has become extremely popular,sparking a wave of enthusiasm online.In the performance,actors dressed in elegant Tang Dynasty attire appear as if they have stepped out of a historical painting,gracefully dancing on the unbreakable doll apparatus.Every gesture and expression exudes the unparalleled elegance of the Tang Dynasty.This paper primarily analyzes the mechanical principles behind the Tang Dynasty Night City’s Unbreakable Doll Performance,starting with structural design to examine its mechanical principles and summarize its dynamic mechanical control mechanisms.
基金supported by the Natural Science Foundation of Anhui Province,China(2008085qc118)the National Natural Science Foundation of China(U19A2021)+1 种基金the Major Science and Technology Special Project of Anhui Province,China(S202003a06020035)the Jiangsu Collaborative Innovation Center for Modern Crop Production,China(JCIC-MCP)。
文摘Global warming is primarily characterized by asymmetric temperature increases,with greater temperature rises in winter/spring and at night compared to summer/autumn and the daytime.We investigated the impact of winter night warming on the top expanded leaves of the spring wheat cultivar Yangmai 18 and the semi-winter wheat cultivar Yannong 19 during the 2020-2021 growing season.Results showed that the night-time mean temperature in the treatment group was 1.27°C higher than the ambient temperature,and winter night warming increased the yields of both wheat cultivars,the activities of sucrose synthase and sucrose phosphate synthase after anthesis,and the biosynthesis of sucrose and soluble sugars.Differentially expressed genes(DEGs)were identified using criteria of P-value<0.05 and fold change>2,and they were subjected to Gene Ontology(GO)annotation and Kyoto Encyclopedia of Genes and Genomes(KEGG)pathway enrichment analyses.Genes differentially expressed in wheat leaves treated with night warming were primarily associated with starch and sucrose metabolism,amino acid biosynthesis,carbon metabolism,plant hormone signal transduction,and amino sugar and nucleotide sugar metabolism.Comparisons between the groups identified 14 DEGs related to temperature.These results highlight the effects of winter night warming on wheat development from various perspectives.Our results provide new insights into the molecular mechanisms of the response of wheat to winter night warming and the candidate genes involved in this process.
基金supported by grants from the National Key Research and Development Program of China(No.2018YFC1004201)National Natural Science Foundation of China(No.82473642)+3 种基金Research Funds of the Center for Big Data and Population Health of IHM(No.JKS2023017)Natural Science Foundation of Anhui Province(No.2408085QH278)Research Fund of the Anhui Institute of Translational Medicine(No.2022zhyx-C05)Anhui Medical University National Undergraduate Innovation and Entrepreneurship Training Program(No.S202410366070).
文摘Infertility,defined as the inability to achieve a clinical pregnancy after 1 year of unprotected and regular sexual intercourse,affects approximately 8%–12%of couples worldwide during their childbearing years.Assisted reproductive technology(ART)offers interventions to facilitate conception in couples with infertility.Since the inception of traditional in vitro fertilization(IVF)in 1978,ART has facilitated the birth of millions of infants.Intracytoplasmic sperm injection(ICSI)is an effective technique for couples ineligible for traditional IVF.Individual female factors,such as age and endometrial thickness,have been shown to affect embryo development during the IVF process,resulting in unfavorable pregnancy outcomes[1-3].However,the influence of environmental and male factors on early reproductive outcomes cannot be ignored.As a novel form of environmental pollution,light at night(LAN)has intensified with the rapid pace of urbanization,potentially leading to reproductive health problems in both women and men.However,to our knowledge,no study has explored the effects of LAN exposure on the early reproductive outcomes of IVF.Furthermore,the normal development of embryos relies on the contributions of both partners,and the influence of male factors on the early reproductive outcomes of IVF should not be overlooked.
基金supported by the STI2030-Major Projects(2021ZD0202100,2021ZD0200801,and 2021ZD0201900)the National Natural Science Foundation of China(82130040,82288101).
文摘Dear Editor,Sleep deprivation and loss can have detrimental effects on brain function.Among common patterns of sleep loss are delayed sleep onset(early night sleep loss,EL)and premature awakening(late night sleep loss,LL).Here,we investigated the distinct impacts of EL and LL on resting-state brain activity.A total of 100 healthy students from several universities in Beijing were recruited and randomly assigned to one of three groups:EL,LL,or full sleep(FS).Restingstate functional magnetic resonance imaging(rs-fMRI)scans were conducted following the sleep manipulations.Compared to the FS group,the LL group showed abnormal low-frequency fluctuation(fALFF)in the prefrontal cortex and insula.
基金funded by the National Nature Science Foundation of China(Grant No.31172067)the National Nature Science Foundation of China-Guang dong Joint Fund(U0833005)Guangdong Plan Projects(2010B060200034,2011B031100004)
文摘The White-eared Night Heron (Gorsachius magnificus) is a Class II protected species in China. It is difficult to observe in the field and its population is small. The present study reports a new distribution site in Nanxiong County, in northern Guangdong Province, where observations of an active nest were made from 4 May to 14 July 2012, the first time consecutive observations have been made for a period of more than two months. The adults flew away from the nest at night, with a peak at 19:00-20:00 and returned in the mornings with a peak at 04:30-05:30. The peak time for feeding young was at 05:00-05:30, accounting for 26.5%of total feeding activities. No feeding occurred from 10:00 to 16:00. The results of our study of its behavior explain why the White-eared Night Heron is usually observed in the evening just before dark, or in the morning before sunrise, at least during the breeding season. There were about 67 days from hatching to fledging, longer than the fledging time of most heron species. This study is the first to cover the entire period of parental care and fills a gap in previous knowledge.
基金Supported by National Natural Science Foundation of China(30170640)~~
文摘[Objective] The aim was to explore the effects of low night temperature treatment on sucrose synthesis ability of tomato leaves in seedling stage.[Method] Effects of low night temperature of 6 ℃（with 15 ℃ as control）on the sucrose synthesis ability of tomato leaves were studied after 1,3,5,7 d of treatment.[Result] The contents of fructose,glucose and sucrose in tomato leaves were higher than control at 6：00 during the treatment of low night temperature,but in contrast at 11：00.The contents of fructose,glucose and sucrose in tomato leaves of low night temperature treatment and control group at 6：00 were lower than that at 11：00.The content of starch in tomato leaves was higher than control at 6：00 and 11：00 during the treatment.And the activities of sugar metabolism enzymes of tomato were changed by the treatment of low night temperature.The activities of acid invertase（AI）and neutral invertase（NI）were higher than those of control,while the activities of sucrose synthase（SS）and sucrose phosphate synthase（SPS）were lower than control at 6：00 and 11：00 during the treatment.The activity of all the enzymes at 11：00 of low night temperature treatment plants treated for 1,3,5,7 d was higher than that at 6：00.Compared to 6：00,the invertase activity of the control plant decreased,while the synthetase activity increased.The activity of sucrose synthase（SS）was decreased for treated plants,and the increase amount of sucrose content in leaves was lower than that of control at 11：00 during the treatment,indicating that the sucrose synthesis ability of tomato leaves was decreased by the treatment of low night temperature.[Conclusion] The results in this study had provided theoretical basis for the environmental control of high-yield cultivation of tomato.
基金Zoologische Gesellschaft für Arten und Populationsschutz e. V. (ZGAP) in Germanythe Royal Society for the Protection of Birds (RSPB) in the United Kingdom
文摘Once,in 2007,the authors had written:regarding to the endangerment of the White-eared Night Heron (Gorsachius magnificus),it would be evidentially to say that no longer the status of the bird is to meet the Criteria EN C1 but more likely still marginally meet EN C2a(i),and hence the bird might be currently remained amongst those Endangered (EN),with caveats that,if any bird could have been found in an area outside the range of any known subpopulation,it will then warrant a lower threat status.Now,it is time for due consideration.
文摘Aim To describe accumulating frames characteristics of CCD camera as a night vision detector. Methods Utilizing CCD external trigger, computer video capture card and image processing software, the image accumulation was made. Results The detection of the static object image whose illuminance on the CCD FPA(focal plane array) was less than 3 7×10 -5 lx was realized and the image's resolution of 300?TV lines was achieved. Conclusion This experimental system can provide a kind of night vision device capable of detecting the static object at low light level and with low cost compared to an image intensifier.
文摘Traveling is one major theme of Fitzgerald's novel Tender Is the Night. This fashionable activity for the 1920 s Americans is represented in the novel as ostensibly bearing different meanings to the main characters, but a deeper look would reveal that it is unanimously resorted to as a weapon against the spiritual barrenness caused by the cult of business, and more importantly, as a way to the experience of rootedness.
基金Supported by the China Postdoctoral Science Foundation(2012M510839)Doctoral Fund of Ministry of Education of China(20122103120011)+2 种基金the National Natural Science Initial Foundation of Shenyang Agricultural University,China(20112013)the Postdoctoral Science Foundation of Shenyang Agricultural University,China(105110)the Peanut Nutrition and Fertilizer Program for China Agriculture Research System,China(CARS-14)
文摘The effects of different levels of CaCl 2 on photosynthesis under low night temperature（8°C） stress in peanuts were studied in order to find out the appropriate concentration of Ca2＋through the artificial climate chamber potted culture test.The results indicated that Ca2＋,by means of improving the stomatal conductivity of peanut leaves under low night temperature stress,may mitigate the decline of photosynthetic rate in the peanut leaves.The regulation with 15 mmol L-1CaCl 2（Ca15） was the most effective,compared with other treatments.Subsequently,the improvement of Ca2＋on peanut photosynthesis under low night temperature stress was validated further through spraying with Ca15,Ca2＋chelator（ethylene glycol bis（2-aminoethyl） tetraacetic acid; EGTA） and calmodulin antagonists（trifluonerazine; TFP）.And CaM（Ca2＋-modulin） played an important role in the nutritional signal transduction for Ca2＋mitigating photosynthesis limitations in peanuts under low night temperature stress.
文摘Night is Elie Wiesel's classic memoir of the Holocaust. One of its central themes is that once involved in war, a person is doomed to undergo a transformation from a human being to a soulless body. To understand this theme, we shall have to travel with Eliezer, the protagonist as well as the fi rst person narrator, through the long nights of living in fear of hunger, terror, and violence. Hopefully, the leg of this journey would reveal how the consistent exposure to traumatic experiences can compel a person to abandon the soul as his or her emotional and spiritual homebase.
基金National Natural Science Foundation of China, No.41271174 National Science and Technology Support Program, No.2012BAI32B07
文摘Urban population during the daytime and at night and their spatial distribution are important bases for planning urban infrastructure, public services and disaster relief. As current population statistics cannot distinguish urban population during the daytime from that at night, existed research in this field are quite limited. This paper tries to advance studies at this aspect by establishing a relationship model for the three components of ＇population, land use and time （daytime or night）＇ to explore the temporal and spatial characteristics of different types of population, which is aimed to estimate urban population during the daytime and at night and to analyze their spatial characteristics at grid scale. Furthermore, an empirical case study has been carried out at the Haidian District in Beijing, China to test the model. The results are as follows： （1） The spatial structure of urban population during the daytime is significantly different from that at night. The spatial distribution of urban population during the daytime is more extensive and more agglomerated that that at night. （2） Several types of spatial coupling relationship between population during the daytime and that at night have been identified, such as sandwich mode, symmetry mode, convergence mode and single mode, etc. （3） The spatial distribution of daytime and nighttime population also reflects certain factors during the development of China, such as the distribution of old residential areas, the construction of new industrial districts, and the differences between urban and rural areas, which can provide reference points for studies in this field and other regional research.
基金supported by the Specialized Research Fund for the Doctoral Program of Higher Education,China(20070759002)the Key Technologies R&D Program of China during the 11th Five-Year Plan period(2006BAD21B02)
文摘Temperature is one of the key factors that influence cotton fiber synthesis at the late growth stage of cotton. In this paper, using two early-maturing cotton varieties as experimental materials, night temperature increase was stimulated in the field using far-infrared quartz tubes set in semi-mobile incubators and compared with the normal night temperatures （control） in order to investigate the effects of night temperature on the cotton fiber cellulose synthesis during secondary wall thickening. The results showed that the activity of sucrose synthase （SuSy） and sucrose phosphate synthase （SPS） quickly increased and remained constant during the development of cotton fiber, while the activity of acid invertase （AI） and alkaline invertase （NI） decreased, increased night temperatures prompted the rapid transformation of sugar, and all the available sucrose fully converted into cellulose. With night temperature increasing treatment, an increase in SuSy activity and concentration of sucrose indicate more sucrose converted into UDPG （uridin diphosphate-glucose） during the early and late stages of cotton fiber development. Furthermore, SPS activity and the increased concentration of fructose accelerated fructose degradation and reduced the inhibition of fructose to SuSy; maintaining higher value of allocation proportion of invertase and sucrose during the early development stages of cotton fiber, which was propitious to supply a greater carbon source and energy for cellulose synthesis. Therefore, the minimum temperature in the nightime was a major factor correlated with the activity of sucrose metabolism enzymes in cotton fiber. Consequently, soluble sugar transformation and cellulose accumulation were closely associated with the minimum night temperature.
基金supported in part by the National Natural Science Foundation of China (61533017,U1501251)
文摘In this paper, a novel fusion framework is proposed for night-vision applications such as pedestrian recognition,vehicle navigation and surveillance. The underlying concept is to combine low-light visible and infrared imagery into a single output to enhance visual perception. The proposed framework is computationally simple since it is only realized in the spatial domain. The core idea is to obtain an initial fused image by averaging all the source images. The initial fused image is then enhanced by selecting the most salient features guided from the root mean square error(RMSE) and fractal dimension of the visual and infrared images to obtain the final fused image.Extensive experiments on different scene imaginary demonstrate that it is consistently superior to the conventional image fusion methods in terms of visual and quantitative evaluations.
