Objective:To investigate the diversity of experiences of sadness emotion and physiological responses among female college students with high neuroticism (HN) and low neuroticism (LN) during the late luteal phase (LLP)...Objective:To investigate the diversity of experiences of sadness emotion and physiological responses among female college students with high neuroticism (HN) and low neuroticism (LN) during the late luteal phase (LLP) and early follicular phase (EFP).Methods:Forty-two participants were classified as the HN group and 41 as the LN group based on their neuroticism score (Eysenck Personality Questionnaire Short Scale for Chinese).Participants watched sadness-inducing experimental films during the LLP and EFP.Results:The HN group showed similar sadness intensities in both phases.The LN group showed higher sadness intensity in the LLP than the EFP.The LN group's sadness scale assessments were lower than the HN group in both phases.The blood volume pulse in the HN group fell in both the LLP and EFP (both P <.001).The root mean square standard deviation of NN intervals rose in the EFP in the HN group before and after watching experimental films (P =.027),but fell in the LN group (P >.05).Between-group comparisons showed heart rate was significantly lower in the HN group than the LN group during EFP (P =.009),but there were no statistically significant differences in subjective experience and physiological data during LLP.The HN group had stronger sadness feelings and greater sadness arousal than the LN group during EFP.There were significant associations between menstrual cycle-related changes in sadness ratings and changes in physiological outcomes.Conclusion:Women with HN have less fluctuation in sadness than those with LN during the menstrual cycle,but experience strong sadness feelings in the LLP.Women with HN show stronger physiological responses in the EFP than those with LN,and have the highest responses in the LLP.展开更多
When speaking of Shanghai’s bars, what comes to people’s minds first must be Hengshan Street, a road known for its variety of bars. For many people, Hengshan Street is a landmark. On this street, bars in bold and un...When speaking of Shanghai’s bars, what comes to people’s minds first must be Hengshan Street, a road known for its variety of bars. For many people, Hengshan Street is a landmark. On this street, bars in bold and unrestrained styles appeal to visitors. In fact, the whole street is a large open bar: the hurly-burly of "Hello" permeates every corner of the street; the resonant singing of "Rainbow Potato" echoes in the night sky; the rock’n roll of "Full House" fascinates passers-by with the wildness of John Lennon;展开更多
Background Researches on the mental health of Korean adolescents during COVID-19 have largely focused on those from monocultural families,but there is limited data on sadness,suicidal ideation,and suicide attempts in ...Background Researches on the mental health of Korean adolescents during COVID-19 have largely focused on those from monocultural families,but there is limited data on sadness,suicidal ideation,and suicide attempts in multicultural adolescents.Methods This nationwide serial cross-sectional study included 688,708 adolescents aged 12–18 years who participated in the Korean Youth Risk Behavior Web-based Survey from 2011 to 2022.We compared and analyzed the prevalence of sadness,suicidal ideation,and suicide attempts among multicultural and monocultural adolescents.Multicultural adolescents were defined as those with at least one non-Korean parent.Results In 2021,the prevalence of sadness among multicultural adolescents was 31.86%[95%confidence interval(CI)30.00–33.71],suicidal ideation 17.17%(15.74–18.61),and suicide attempts 4.25%(3.51–4.99).Among monocultural adolescents,the prevalence rates were 26.09%(25.50–26.69)for sadness,12.41%(11.97–12.85)for suicidal ideation,and 1.92%(1.76–2.67)for suicide attempts.Adolescents from multicultural backgrounds were found to have higher rates of sadness,suicidal ideation,and suicide attempts.In the general population,these rates had decreased during the pre-pandemic period but increased after the onset of the pandemic then stabilized from 2020 to 2021.Female gender,smoking,alcohol use,and low school performance emerged as significant risk factors.However,no distinct risk factors specifically linked to suicide attempts were identified.Joinpoint regression analysis results aligned with the beta slope values in the main findings,reflecting a consistent pattern across both analyses.Conclusions This study revealed that sadness,suicidal ideation,and suicide attempts increased during the pandemic,reversing a pre-pandemic decline.Multicultural adolescents faced these issues more than monocultural ones,underlining the need for targeted public health measures to support at-risk adolescents during pandemics.展开更多
Secondary aluminum dross(SAD),a by-product of aluminum extraction from primary aluminum dross,contains metallic aluminum particles coated with dense oxidized films,complicating the recovery of metallic aluminum using ...Secondary aluminum dross(SAD),a by-product of aluminum extraction from primary aluminum dross,contains metallic aluminum particles coated with dense oxidized films,complicating the recovery of metallic aluminum using traditional methods.Ball-milling was employed to break and alter the structure of these oxidized films.The results indicated that the films became thinner and stripped away,exposing the aluminum surface.Based on the in-situ observation of the structure evolution of milled SAD particles with temperature,the metallic aluminum liquid was efficiently recovered from SAD at 680℃via supergravity-enhanced separation,where the recovery ratio and mass fraction of Al in the separated aluminum phase were up to 95.72%and 99.10 wt.%,respectively.Moreover,the tailings can be harmlessly utilized in refractory,cement and ceramic fields with subsequent treatment,such as denitrification,dechlorination,and fluoride fixation.展开更多
As a high-grade edible oil tree native in China,tea-oil tree(Camellia oleifera)has the oil-yielded rate of about 55% from its kernel.The recent researches suggested that tea-oil would be one of the best vegetable oils...As a high-grade edible oil tree native in China,tea-oil tree(Camellia oleifera)has the oil-yielded rate of about 55% from its kernel.The recent researches suggested that tea-oil would be one of the best vegetable oils,and even be better than olive oil with its abundant unsaturated fatty acids including 82.6% oleic acid.Stearoyl-ACP desaturase(SAD)is a key enzyme that catalyzes saturated fatty acids(C18∶0)bonded to ACP(Acyl carrier protein)and dehydrogenates the fatty acids into oleic acids,and hence controls the content of oleic acid and the proportion between saturated fatty acids and unsaturated fatty acids.With our previous acquisition of three cDNAs and ESTs of C.oleifera SAD(CoSAD)gene,5’RACE technology was used to obtain the full-length cDNA of CoSAD gene from the nearly matured C.oleifera seed.The comprehensive bioinformatic analyses including sequence characteristics of DNA and amino acid,multi-sequence aligning,identity and homology,molecular clustering,protein physicochemical properties,and protein structural prediction and characteristics were performed.The results may provide the theoretical and material elements for application of CoSAD gene and genetic improvement on other oil plants.展开更多
基金This study was supported by the National Natural Science Foundation of China(81373771)the National Key Basic Research Development Program(973 Program:2011CB505101).
文摘Objective:To investigate the diversity of experiences of sadness emotion and physiological responses among female college students with high neuroticism (HN) and low neuroticism (LN) during the late luteal phase (LLP) and early follicular phase (EFP).Methods:Forty-two participants were classified as the HN group and 41 as the LN group based on their neuroticism score (Eysenck Personality Questionnaire Short Scale for Chinese).Participants watched sadness-inducing experimental films during the LLP and EFP.Results:The HN group showed similar sadness intensities in both phases.The LN group showed higher sadness intensity in the LLP than the EFP.The LN group's sadness scale assessments were lower than the HN group in both phases.The blood volume pulse in the HN group fell in both the LLP and EFP (both P <.001).The root mean square standard deviation of NN intervals rose in the EFP in the HN group before and after watching experimental films (P =.027),but fell in the LN group (P >.05).Between-group comparisons showed heart rate was significantly lower in the HN group than the LN group during EFP (P =.009),but there were no statistically significant differences in subjective experience and physiological data during LLP.The HN group had stronger sadness feelings and greater sadness arousal than the LN group during EFP.There were significant associations between menstrual cycle-related changes in sadness ratings and changes in physiological outcomes.Conclusion:Women with HN have less fluctuation in sadness than those with LN during the menstrual cycle,but experience strong sadness feelings in the LLP.Women with HN show stronger physiological responses in the EFP than those with LN,and have the highest responses in the LLP.
文摘When speaking of Shanghai’s bars, what comes to people’s minds first must be Hengshan Street, a road known for its variety of bars. For many people, Hengshan Street is a landmark. On this street, bars in bold and unrestrained styles appeal to visitors. In fact, the whole street is a large open bar: the hurly-burly of "Hello" permeates every corner of the street; the resonant singing of "Rainbow Potato" echoes in the night sky; the rock’n roll of "Full House" fascinates passers-by with the wildness of John Lennon;
基金supported by the National Research Foundation of Korea(NRF)grant funded by the Korean Government(MSIT,RS-2023-00248157)the MSIT(Ministry of Science and ICT),Korea,under the ITRC(Information Technology Research Center)support program(IITP-2024-RS-2024-00438239)supervised by the IITP(Institute for Information&Communications Technology Planning&Evaluation).
文摘Background Researches on the mental health of Korean adolescents during COVID-19 have largely focused on those from monocultural families,but there is limited data on sadness,suicidal ideation,and suicide attempts in multicultural adolescents.Methods This nationwide serial cross-sectional study included 688,708 adolescents aged 12–18 years who participated in the Korean Youth Risk Behavior Web-based Survey from 2011 to 2022.We compared and analyzed the prevalence of sadness,suicidal ideation,and suicide attempts among multicultural and monocultural adolescents.Multicultural adolescents were defined as those with at least one non-Korean parent.Results In 2021,the prevalence of sadness among multicultural adolescents was 31.86%[95%confidence interval(CI)30.00–33.71],suicidal ideation 17.17%(15.74–18.61),and suicide attempts 4.25%(3.51–4.99).Among monocultural adolescents,the prevalence rates were 26.09%(25.50–26.69)for sadness,12.41%(11.97–12.85)for suicidal ideation,and 1.92%(1.76–2.67)for suicide attempts.Adolescents from multicultural backgrounds were found to have higher rates of sadness,suicidal ideation,and suicide attempts.In the general population,these rates had decreased during the pre-pandemic period but increased after the onset of the pandemic then stabilized from 2020 to 2021.Female gender,smoking,alcohol use,and low school performance emerged as significant risk factors.However,no distinct risk factors specifically linked to suicide attempts were identified.Joinpoint regression analysis results aligned with the beta slope values in the main findings,reflecting a consistent pattern across both analyses.Conclusions This study revealed that sadness,suicidal ideation,and suicide attempts increased during the pandemic,reversing a pre-pandemic decline.Multicultural adolescents faced these issues more than monocultural ones,underlining the need for targeted public health measures to support at-risk adolescents during pandemics.
文摘Yesterday I lost my favorite watch.It was a gift from my grandfather.I was so sad and worried.I looked for it here and there,but I just couldn't find.
基金supported by the National Natural Science Foundation of China(Nos.52304342,52174275,51774037)the China Postdoctoral Science Foundation(No.2021M700393)。
文摘Secondary aluminum dross(SAD),a by-product of aluminum extraction from primary aluminum dross,contains metallic aluminum particles coated with dense oxidized films,complicating the recovery of metallic aluminum using traditional methods.Ball-milling was employed to break and alter the structure of these oxidized films.The results indicated that the films became thinner and stripped away,exposing the aluminum surface.Based on the in-situ observation of the structure evolution of milled SAD particles with temperature,the metallic aluminum liquid was efficiently recovered from SAD at 680℃via supergravity-enhanced separation,where the recovery ratio and mass fraction of Al in the separated aluminum phase were up to 95.72%and 99.10 wt.%,respectively.Moreover,the tailings can be harmlessly utilized in refractory,cement and ceramic fields with subsequent treatment,such as denitrification,dechlorination,and fluoride fixation.
文摘As a high-grade edible oil tree native in China,tea-oil tree(Camellia oleifera)has the oil-yielded rate of about 55% from its kernel.The recent researches suggested that tea-oil would be one of the best vegetable oils,and even be better than olive oil with its abundant unsaturated fatty acids including 82.6% oleic acid.Stearoyl-ACP desaturase(SAD)is a key enzyme that catalyzes saturated fatty acids(C18∶0)bonded to ACP(Acyl carrier protein)and dehydrogenates the fatty acids into oleic acids,and hence controls the content of oleic acid and the proportion between saturated fatty acids and unsaturated fatty acids.With our previous acquisition of three cDNAs and ESTs of C.oleifera SAD(CoSAD)gene,5’RACE technology was used to obtain the full-length cDNA of CoSAD gene from the nearly matured C.oleifera seed.The comprehensive bioinformatic analyses including sequence characteristics of DNA and amino acid,multi-sequence aligning,identity and homology,molecular clustering,protein physicochemical properties,and protein structural prediction and characteristics were performed.The results may provide the theoretical and material elements for application of CoSAD gene and genetic improvement on other oil plants.
