Background:C4 plants have increased substantially during the past several decades in the grasslands of the Mongolian Plateau due to regional warming.Here,we explore how the patterns of abundances of C4 annuals and C4 ...Background:C4 plants have increased substantially during the past several decades in the grasslands of the Mongolian Plateau due to regional warming.Here,we explore how the patterns of abundances of C4 annuals and C4 perennials change over space and time.Methods:A total of 280 sites with C4 plants were surveyed in four types of grasslands in 9 years.The relative biomasses of C4 plants(PC4),C4 annuals(PA4),and C4 perennials(PP4)were calculated.Structural equation modeling was used to analyze the drivers of changes in PA4 and PP4.Results:At the regional scale,PA4 on average was 11%(±19%,SD)and PP4 was 13%(±19%,SD).Spatially,C4 annuals dominated the C4 communities within an east–west belt region along 44°N and tended to spread toward northern latitudes(about 0.5°)and higher altitudes in the east mountainous areas.The abundance of C4 annuals decreased,while that of C4 perennials increased.The patterns of C4 annuals and C4 perennials were mainly controlled by temperature,growing season precipitation,and dynamics between the two life forms.Conclusions:C4 annuals exhibited competitive advantages in normal and wet years,while C4 perennials had competitive advantages in dry years.Grazing as a main human disturbance increased C4 annuals,but had no significant effect on C4 perennials.展开更多
Journal Customer services For ordering information,claims and any enquiry concerning your journal subscription please go to contact your nearest office.America:Tel:(401)515-4764 Europe,Middle East,Africa and Asia Paci...Journal Customer services For ordering information,claims and any enquiry concerning your journal subscription please go to contact your nearest office.America:Tel:(401)515-4764 Europe,Middle East,Africa and Asia Pacific:Email:asiaar@163.com;523404392@qq.com;434421224@qq.com Tel:+86-551-65148112 Annual subscription rate(12 issues):US$300.展开更多
On January 23,during the 2026 CEFCO,the China Council for the Promotion of International Trade(CCPIT)released the Annual Report on China's Exhibition Industry.Wu Shengrong,Director-General of the CCPIT Exhibition ...On January 23,during the 2026 CEFCO,the China Council for the Promotion of International Trade(CCPIT)released the Annual Report on China's Exhibition Industry.Wu Shengrong,Director-General of the CCPIT Exhibition Management Department,stated that in 2025,the environment for China's exhibition industry continued to improve.展开更多
CCPIT Annual Conference Sets“1+5+10”Agenda for 2026 CCPIT An nual Conference Set s“1+5+10”Agenda for 2026 The National Conference of CCPIT Working Conference&the Sixth Session of the Sixth National Committee o...CCPIT Annual Conference Sets“1+5+10”Agenda for 2026 CCPIT An nual Conference Set s“1+5+10”Agenda for 2026 The National Conference of CCPIT Working Conference&the Sixth Session of the Sixth National Committee of CCPIT was held in Beijing from January 27 to 28.The meeting outlined key priorities for the first year of China’s 15th Five-Year Plan period,focusing on enhancing synergy across the trade promotion system.CCPIT unveiled a“1+5+10”working framework,emphasizing ten core tasks including deepening industrial promotion,expanding new horizons in two-way investment cooperation,and improving foreign-related legal services.展开更多
To address the challenges of high energy consumption and prominent costs in the traditional three-columns distillation process for cellulosic fuel ethanol,a distillation–molecular sieve coupling separation process is...To address the challenges of high energy consumption and prominent costs in the traditional three-columns distillation process for cellulosic fuel ethanol,a distillation–molecular sieve coupling separation process is proposed.This process integrates a three-column(crude distillation column,first distillation column,second distillation column)system with a 3A molecular sieve adsorption deep dehydration unit.A thermal coupling network is constructed via differential pressure design(steam from medium/high-pressure columns as mutual heat sources,reboiler liquid waste heat for feed preheating),and molecular sieve adsorption conditions are optimized.The study first performs a thermodynamic consistency test on the ethanol–water system,determines optimal non-random two-liquid(NRTL)model binary interaction parameters via experimental data regression for Aspen Plus simulation.Aiming at minimum total annual cost(TAC),Aspen Plus is used to optimize process parameters(theoretical tray number,feed location,reflux ratio,side-draw position,etc.).Economic analysis shows this process reduces CO_(2) emission costs by 27.56%,TAC by 15.58%(to 5.123×10^(6) USD·a^(−1)),and increases ethanol purity to>99.6%,providing an effective solution for green,efficient separation.展开更多
In the tropical regions represented by Hainan,there are abundant solar and thermal resources,and it is relatively suitable for the construction of photovoltaic greenhouse(PVG).However,the construction of PVG still rel...In the tropical regions represented by Hainan,there are abundant solar and thermal resources,and it is relatively suitable for the construction of photovoltaic greenhouse(PVG).However,the construction of PVG still relies mainly on experience and is incapable of quantifying the balance between the photovoltaic(PV)generation and the light requirements for agricultural production.As a result,actual PVGs are primarily PV-based,without carefully considering the needs of agricultural daylighting.To quantify the influence of the design parameters of PVGs and the layout of PV panels on the internal daylighting of serrated PVGs,and to optimize the daylighting design of the roof,this paper utilizes the Design Builder software to establish gradient models for a multi-span serrated-type PVG in tropical regions.Gradient models were established in terms of aspects,namely span,width of longitudinal/transverse daylighting strip,height,roof angle,and photovoltaic panel coverage rate(PCR).Daylighting in the greenhouse of each gradient model was simulated,and with the annual average daily light integral(A_(DLI))and distribution uniformity(DU)as evaluation indicators,the influence of various design parameters on the daylighting inside the greenhouse was quantified.The result reveals that:(1)PCR is the decisive indicator for daylighting in the PVG,and a function between PCR and the A_(DLI) is derived as A_(DLI)=-15.5 PCR+16.841;(2)Increasing the width of longitudinal daylighting strip significantly improves the A_(DLI) and enhances DU while increasing the span has a noticeable effect on improving A_(DLI) but does not significantly enhance DU;(3)Increasing the eave height without changing PCR does not enhance A_(DLI) but effectively improves DU;increasing the transverse daylighting strip and adjusting the roof angle hardly improves A_(DLI).In summary,it is recommended that the optimal span for PVGs in tropical regions be set within the range of 6.5-8.0m,and the eave height be set within the range of 2.5-3.5m.Preferably,the longitudinal daylighting strip with a width ranging from 0.5-0.8m should be installed.Based on the above relationship function,the PCR can be calculated according to the appropriate light demand for the cultivated crops.The daylighting design theory proposed in this paper can provide a theoretical basis and reference for the healthy development of the PV industry in tropical regions.展开更多
The dominant annual cycle of sea surface temperature(SST)in the tropical Pacific exhibits an antisymmetric mode,which explains 83.4%total variance,and serves as a background of El Niño-Southern Oscillation(ENSO)....The dominant annual cycle of sea surface temperature(SST)in the tropical Pacific exhibits an antisymmetric mode,which explains 83.4%total variance,and serves as a background of El Niño-Southern Oscillation(ENSO).However,there is no consensus yet on its anomalous impacts on the phase and amplitude of ENSO.Based on data during 1982-2022,results show that anomalies of the antisymmetric mode can affect the evolution of ENSO on the interannual scale via Bjerknes feedback,in which the positive(negative)phase of the antisymmetric mode can strengthen El Niño(La Niña)in boreal winter via an earlier(delayed)seasonal cycle transition and larger(smaller)annual mean.The magnitude of the SST anomalies in the equatorial eastern Pacific can reach more than±0.3◦C,regulated by the changes in the antisymmetric mode based on random sensitivity analysis.Results reveal the spatial pattern of the annual cycle associated with the seasonal phase-locking of ENSO evolution and provide new insight into the impact of the annual cycle of background SST on ENSO,which possibly carries important implications for forecasting ENSO.展开更多
This study investigates trends in extreme precipitation events(EPEs)across Antarctica from 1979 to 2023,analyzing changes in EPE frequency,intensity,and the proportion of extreme to total precipitation.Using Self-Orga...This study investigates trends in extreme precipitation events(EPEs)across Antarctica from 1979 to 2023,analyzing changes in EPE frequency,intensity,and the proportion of extreme to total precipitation.Using Self-Organizing Map(SOM)techniques,the study distinguishes the contributions from thermodynamic,dynamic,and interaction components in explaining these trends.Positive EPE occurrence trends are observed across the Bellingshausen and Weddell Seas,Dronning Maud Land,and parts of the Southern Ocean,with declines limited to Queen Mary Land.Thermodynamic factors,responsible for 96.0%of the overall trend,are driven by increased water vapor content in polar air masses.Dynamic contributions,representing 10.8%,are linked to a strengthened Amundsen Sea Low(ASL)associated with the Southern Annular Mode(SAM)and Pacific South American(PSA)trends.Interaction effects make a slightly negative contribution(-6.8%)to the overall trend.Variations in water vapor transport and vertical velocity tied to annual 500-hPa geopotential height anomalies further explain EPE trends.These findings provide insight into the atmospheric processes that influence Antarctic EPEs,with implications for understanding the climatic impact on the polar environment.展开更多
CISCE brings together partners on the global industrial chain to collaborate and enhance global competitiveness.LOCATED in South Yorkshire in north-central England,British Steel,originally founded in 1967,is the U.K....CISCE brings together partners on the global industrial chain to collaborate and enhance global competitiveness.LOCATED in South Yorkshire in north-central England,British Steel,originally founded in 1967,is the U.K.’s only manufacturer of rail.It now produces three million tons of crude steel annually and has the distinction of maintaining stable production even during the COVID-19 pandemic,with its ironmaking,steelmaking and all rolling mills in full operation.展开更多
The 2024 Geoscience Frontiers Annual Convention was held in Kuching,Malaysia,from November 18th to 22th,2024,jointly with the 2024 IAGR Annual Convention and the 21st International Conference on Gondwana to Asia.The I...The 2024 Geoscience Frontiers Annual Convention was held in Kuching,Malaysia,from November 18th to 22th,2024,jointly with the 2024 IAGR Annual Convention and the 21st International Conference on Gondwana to Asia.The IAGR Convention attracted over 150 participants from various countries,including China,India,Australia,the Republic of Korea,Japan,Malaysia,Indonesia,Thailand,Italy,Mexico,the United Kingdom,Saudi Arabia,France,and Brunei.展开更多
The annual maximum rainfall event(AMRE)refers to the maximum consecutive five-day rainfall in a year.In North China,these events account for 15%–80%of the total summer(June–August)rainfall amount and pose a great ch...The annual maximum rainfall event(AMRE)refers to the maximum consecutive five-day rainfall in a year.In North China,these events account for 15%–80%of the total summer(June–August)rainfall amount and pose a great challenge for subseasonal-to-seasonal forecasting.Based on data analyses during 1979–2023,this study shows the interannual variability of AMRE is significantly influenced by the phase and amplitude mode of the annual cycle of the East Asian summer monsoon(EASM),characterized by two orthogonal patterns of southeasterly winds at 850 h Pa over the northwestern Pacific.The EASM phase-locked AMRE shows heavy rainfall events occurring extremely early and late in Beijing and surrounding areas,corresponding to the peak southeasterly wind anomalies in June and August.The EASM amplitude-locked AMRE exhibits extreme heavy or light rainfall over southwest areas with normal phase.Therefore,AMRE has a potential predictability on the seasonal time scale due to its phase-and amplitude-locking with the slow variation of the annual cycle of the EASM.展开更多
Journal Customer services For ordering information,claims and any enquiry concerning your joumal subeription please go to contact your nearest ofice.America:Tel:(401)515-4764 Europe,Middle East,Africa and Asia Pacifie...Journal Customer services For ordering information,claims and any enquiry concerning your joumal subeription please go to contact your nearest ofice.America:Tel:(401)515-4764 Europe,Middle East,Africa and Asia Pacifie:Emil:aiar@163com;523404392@qcom;434421224@qq.com Te:+86-551-65148112 Annual subscription rate(12 issues):US$300.展开更多
Acupuncture has been widely recognized for its significant therapeutic effects in treating a variety of conditions,including pain management,cerebrovascular diseases,cancer-related symptoms,respiratory disorders,and n...Acupuncture has been widely recognized for its significant therapeutic effects in treating a variety of conditions,including pain management,cerebrovascular diseases,cancer-related symptoms,respiratory disorders,and neurological diseases.A large body of clinical research demonstrates the substantial benefits of acupuncture,such as improving post-stroke recovery,alleviating chronic pain,reducing chemotherapy-induced symptoms,and promoting perioperative recovery.Mechanistic studies have shown that acupuncture influences multiple physiological systems,particularly the nervous,immune,and endocrine systems,providing insights into how acupuncture modulates neuroinflammation,neurotransmitter release,and immune responses.The role of acupuncture in integrative medicine is increasingly significant,with growing recognition of its therapeutic efficacy in regions outside China,particularly in Europe and the Americas.Acupuncture is expected to continue to expand its application,offering effective non-pharmacological treatment options in various fields,thereby consolidating its position in modern healthcare.Ongoing research holds the promise that acupuncture will play a key role in managing chronic diseases and supporting overall health.The 2024 acupuncture annual review will provide a comprehensive summary of the latest clinical applications and mechanistic research in acupuncture,with the aim of elucidating the current landscape and guiding future directions in the field.展开更多
The ISO Annual Meeting 2025 was successfully held in Kigali,capital of the Republic of Rwanda,on October 6-10.The event included the opening and closing ceremonies,sessions with different themes,governance meetings an...The ISO Annual Meeting 2025 was successfully held in Kigali,capital of the Republic of Rwanda,on October 6-10.The event included the opening and closing ceremonies,sessions with different themes,governance meetings and social activities.It was hosted by Rwanda Standards Board(RSB),the ISO member,marking a historic first for East Africa.展开更多
Dear Editor,Antimicrobial resistance(AMR),which represents the ability of microorganisms to withstand the effects of medications that were previously effective against them,has emerged as a pressing global health conc...Dear Editor,Antimicrobial resistance(AMR),which represents the ability of microorganisms to withstand the effects of medications that were previously effective against them,has emerged as a pressing global health concern.Antimicrobial resistance is responsible for 700000 deaths annually,with projections suggesting this could rise to 10 million by 2050(United Nations Environment Programme,2023).展开更多
1 As autumn becomes winter,I eagerly anticipate December's reunion with my older brother,Don,at SilverStar Mountain Resort.Our annual“SilverStar time”has reconnected us over the past decade,filling me with excit...1 As autumn becomes winter,I eagerly anticipate December's reunion with my older brother,Don,at SilverStar Mountain Resort.Our annual“SilverStar time”has reconnected us over the past decade,filling me with excitement and reflection.展开更多
A fish lantern performance troupe parades through the village of Wangmantian in Huangshan,Anhui Province,on 10 February.This event,a 600-year-old folk tradition,is celebrated annually by locals to pray for prosperity ...A fish lantern performance troupe parades through the village of Wangmantian in Huangshan,Anhui Province,on 10 February.This event,a 600-year-old folk tradition,is celebrated annually by locals to pray for prosperity and good fortune.展开更多
AAAAI/WAO Joint Congress was held in San Diego,California from February 28 to March 3,2025.The meeting theme of the year was“Climate Change and Allergic Diseases:Global Impact on Health”.This theme carried not just ...AAAAI/WAO Joint Congress was held in San Diego,California from February 28 to March 3,2025.The meeting theme of the year was“Climate Change and Allergic Diseases:Global Impact on Health”.This theme carried not just the weight of science,but also a sense of urgency in a world in the midst of change from many perspectives,not just scientific but also political and sociological.Other hot topics included“The Role of Artificial Intelligence and Informatics in the Detection and Management of Allergic Disorders”and“Asthma Management in an Ever-Changing World”.In the area of food allergy,a report on OUtMATCH was presented,focusing on the outcome of Omalizumab vs multi-food Oral Immunotherapy.An update on the new Immunotherapy Practice Parameter(2024)provided information on next-generation allergen immunotherapy.These topics are not independent of each other,illustrating the complex nature of our specialty.For example,climate change can affect air pollution,leading to increased asthma prevalence.This affects strategies for developing new asthma treatment algorithms,potentially leveraging artificial intelligence to optimize outcomes.Artificial intelligence is poised to transform our lives,not just in asthma management,but all across all areas of healthcare.Climate change will also impact how we treat food allergies due to the impact of microbiome changes resulting from changing exposures to environmental pollutants and allergens,necessitating new and innovative methods of prevention and treatment.This meeting was especially significant given the world’s lack of commitment to addressing critical planetary issues,such as climate change.It is hoped that the meeting theme will at least draw attention once again to the deleterious health effects of climate change.展开更多
1.The state of the world’s health Today’s global health landscape presents pressing challenges that demand urgent action.Nearly half of the global population lacks access to Universal Health Coverage(UHC),leaving mi...1.The state of the world’s health Today’s global health landscape presents pressing challenges that demand urgent action.Nearly half of the global population lacks access to Universal Health Coverage(UHC),leaving millions vulnerable.Each year,100 million people are driven into extreme poverty by medical expenses.Noncommunicable diseases(NCDs),such as cancer,heart disease,and diabetes,are responsible for 41 million deaths annuallyd71%of global mortality.Communicable diseases remain a significant threat,particularly in emerging economies,with only 81%of children receiving vaccinations in 2021da 5%decline from previous years.Compounded by this,humanitarian crises in 2024 are expected to impact 300 million people,and the proportion of the population aged over 60 is projected to nearly double between 2015 and 2050.Additionally,mental illness affects over 970 million people,posing significant challenges to healthcare providers,particularly nurses.展开更多
基金supported by the DFG within the DFG research group 536(MAGIM)the National Natural Science Foundation of China(31630010 and 31320103916).
文摘Background:C4 plants have increased substantially during the past several decades in the grasslands of the Mongolian Plateau due to regional warming.Here,we explore how the patterns of abundances of C4 annuals and C4 perennials change over space and time.Methods:A total of 280 sites with C4 plants were surveyed in four types of grasslands in 9 years.The relative biomasses of C4 plants(PC4),C4 annuals(PA4),and C4 perennials(PP4)were calculated.Structural equation modeling was used to analyze the drivers of changes in PA4 and PP4.Results:At the regional scale,PA4 on average was 11%(±19%,SD)and PP4 was 13%(±19%,SD).Spatially,C4 annuals dominated the C4 communities within an east–west belt region along 44°N and tended to spread toward northern latitudes(about 0.5°)and higher altitudes in the east mountainous areas.The abundance of C4 annuals decreased,while that of C4 perennials increased.The patterns of C4 annuals and C4 perennials were mainly controlled by temperature,growing season precipitation,and dynamics between the two life forms.Conclusions:C4 annuals exhibited competitive advantages in normal and wet years,while C4 perennials had competitive advantages in dry years.Grazing as a main human disturbance increased C4 annuals,but had no significant effect on C4 perennials.
文摘Journal Customer services For ordering information,claims and any enquiry concerning your journal subscription please go to contact your nearest office.America:Tel:(401)515-4764 Europe,Middle East,Africa and Asia Pacific:Email:asiaar@163.com;523404392@qq.com;434421224@qq.com Tel:+86-551-65148112 Annual subscription rate(12 issues):US$300.
文摘On January 23,during the 2026 CEFCO,the China Council for the Promotion of International Trade(CCPIT)released the Annual Report on China's Exhibition Industry.Wu Shengrong,Director-General of the CCPIT Exhibition Management Department,stated that in 2025,the environment for China's exhibition industry continued to improve.
文摘CCPIT Annual Conference Sets“1+5+10”Agenda for 2026 CCPIT An nual Conference Set s“1+5+10”Agenda for 2026 The National Conference of CCPIT Working Conference&the Sixth Session of the Sixth National Committee of CCPIT was held in Beijing from January 27 to 28.The meeting outlined key priorities for the first year of China’s 15th Five-Year Plan period,focusing on enhancing synergy across the trade promotion system.CCPIT unveiled a“1+5+10”working framework,emphasizing ten core tasks including deepening industrial promotion,expanding new horizons in two-way investment cooperation,and improving foreign-related legal services.
基金support from the National Key Research and Development Program of China(2022YFC2106300)the National Natural Science Foundation of China(42177400).
文摘To address the challenges of high energy consumption and prominent costs in the traditional three-columns distillation process for cellulosic fuel ethanol,a distillation–molecular sieve coupling separation process is proposed.This process integrates a three-column(crude distillation column,first distillation column,second distillation column)system with a 3A molecular sieve adsorption deep dehydration unit.A thermal coupling network is constructed via differential pressure design(steam from medium/high-pressure columns as mutual heat sources,reboiler liquid waste heat for feed preheating),and molecular sieve adsorption conditions are optimized.The study first performs a thermodynamic consistency test on the ethanol–water system,determines optimal non-random two-liquid(NRTL)model binary interaction parameters via experimental data regression for Aspen Plus simulation.Aiming at minimum total annual cost(TAC),Aspen Plus is used to optimize process parameters(theoretical tray number,feed location,reflux ratio,side-draw position,etc.).Economic analysis shows this process reduces CO_(2) emission costs by 27.56%,TAC by 15.58%(to 5.123×10^(6) USD·a^(−1)),and increases ethanol purity to>99.6%,providing an effective solution for green,efficient separation.
基金2024 Science and Technology Commissioner Service Group's Emergency Science and Technology Research Project for Wind Disaster Relief in Hainan Province(ZDYF2024YJGG002-8)China Huaneng Group Co.,Ltd.Headquarters Technology Project,Optimization of Photovoltaic Vegetable Greenhouse Structure and Research on Planting Agronomy in Tropical Regions(HNKJ22-HF77)。
文摘In the tropical regions represented by Hainan,there are abundant solar and thermal resources,and it is relatively suitable for the construction of photovoltaic greenhouse(PVG).However,the construction of PVG still relies mainly on experience and is incapable of quantifying the balance between the photovoltaic(PV)generation and the light requirements for agricultural production.As a result,actual PVGs are primarily PV-based,without carefully considering the needs of agricultural daylighting.To quantify the influence of the design parameters of PVGs and the layout of PV panels on the internal daylighting of serrated PVGs,and to optimize the daylighting design of the roof,this paper utilizes the Design Builder software to establish gradient models for a multi-span serrated-type PVG in tropical regions.Gradient models were established in terms of aspects,namely span,width of longitudinal/transverse daylighting strip,height,roof angle,and photovoltaic panel coverage rate(PCR).Daylighting in the greenhouse of each gradient model was simulated,and with the annual average daily light integral(A_(DLI))and distribution uniformity(DU)as evaluation indicators,the influence of various design parameters on the daylighting inside the greenhouse was quantified.The result reveals that:(1)PCR is the decisive indicator for daylighting in the PVG,and a function between PCR and the A_(DLI) is derived as A_(DLI)=-15.5 PCR+16.841;(2)Increasing the width of longitudinal daylighting strip significantly improves the A_(DLI) and enhances DU while increasing the span has a noticeable effect on improving A_(DLI) but does not significantly enhance DU;(3)Increasing the eave height without changing PCR does not enhance A_(DLI) but effectively improves DU;increasing the transverse daylighting strip and adjusting the roof angle hardly improves A_(DLI).In summary,it is recommended that the optimal span for PVGs in tropical regions be set within the range of 6.5-8.0m,and the eave height be set within the range of 2.5-3.5m.Preferably,the longitudinal daylighting strip with a width ranging from 0.5-0.8m should be installed.Based on the above relationship function,the PCR can be calculated according to the appropriate light demand for the cultivated crops.The daylighting design theory proposed in this paper can provide a theoretical basis and reference for the healthy development of the PV industry in tropical regions.
基金jointly supported by the National Natural Science Foundation of China [grant numbers U2242205 and 41830969]the S&T Development Fund of CAMS [grant number 2023KJ036]the Basic Scientific Research and Operation Foundation of CAMS [grant number 2023Z018]。
文摘The dominant annual cycle of sea surface temperature(SST)in the tropical Pacific exhibits an antisymmetric mode,which explains 83.4%total variance,and serves as a background of El Niño-Southern Oscillation(ENSO).However,there is no consensus yet on its anomalous impacts on the phase and amplitude of ENSO.Based on data during 1982-2022,results show that anomalies of the antisymmetric mode can affect the evolution of ENSO on the interannual scale via Bjerknes feedback,in which the positive(negative)phase of the antisymmetric mode can strengthen El Niño(La Niña)in boreal winter via an earlier(delayed)seasonal cycle transition and larger(smaller)annual mean.The magnitude of the SST anomalies in the equatorial eastern Pacific can reach more than±0.3◦C,regulated by the changes in the antisymmetric mode based on random sensitivity analysis.Results reveal the spatial pattern of the annual cycle associated with the seasonal phase-locking of ENSO evolution and provide new insight into the impact of the annual cycle of background SST on ENSO,which possibly carries important implications for forecasting ENSO.
基金supported by the National Key R&D Program of China(2022YFE0106300)Norges Forskningsråd(328886).
文摘This study investigates trends in extreme precipitation events(EPEs)across Antarctica from 1979 to 2023,analyzing changes in EPE frequency,intensity,and the proportion of extreme to total precipitation.Using Self-Organizing Map(SOM)techniques,the study distinguishes the contributions from thermodynamic,dynamic,and interaction components in explaining these trends.Positive EPE occurrence trends are observed across the Bellingshausen and Weddell Seas,Dronning Maud Land,and parts of the Southern Ocean,with declines limited to Queen Mary Land.Thermodynamic factors,responsible for 96.0%of the overall trend,are driven by increased water vapor content in polar air masses.Dynamic contributions,representing 10.8%,are linked to a strengthened Amundsen Sea Low(ASL)associated with the Southern Annular Mode(SAM)and Pacific South American(PSA)trends.Interaction effects make a slightly negative contribution(-6.8%)to the overall trend.Variations in water vapor transport and vertical velocity tied to annual 500-hPa geopotential height anomalies further explain EPE trends.These findings provide insight into the atmospheric processes that influence Antarctic EPEs,with implications for understanding the climatic impact on the polar environment.
文摘CISCE brings together partners on the global industrial chain to collaborate and enhance global competitiveness.LOCATED in South Yorkshire in north-central England,British Steel,originally founded in 1967,is the U.K.’s only manufacturer of rail.It now produces three million tons of crude steel annually and has the distinction of maintaining stable production even during the COVID-19 pandemic,with its ironmaking,steelmaking and all rolling mills in full operation.
文摘The 2024 Geoscience Frontiers Annual Convention was held in Kuching,Malaysia,from November 18th to 22th,2024,jointly with the 2024 IAGR Annual Convention and the 21st International Conference on Gondwana to Asia.The IAGR Convention attracted over 150 participants from various countries,including China,India,Australia,the Republic of Korea,Japan,Malaysia,Indonesia,Thailand,Italy,Mexico,the United Kingdom,Saudi Arabia,France,and Brunei.
基金jointly supported by the National Natural Science Foundation of China(Grant Nos.U2242205 and 42375033)the Second Tibetan Plateau Scientific Expedition and Research(STEP)program(Grant No.2019QZKK0105)+1 种基金the Basic Scientific Research and Operation Foundation of CAMS(2023Z018)the S&T Development Fund of CAMS(Grant No.2023KJ036)。
文摘The annual maximum rainfall event(AMRE)refers to the maximum consecutive five-day rainfall in a year.In North China,these events account for 15%–80%of the total summer(June–August)rainfall amount and pose a great challenge for subseasonal-to-seasonal forecasting.Based on data analyses during 1979–2023,this study shows the interannual variability of AMRE is significantly influenced by the phase and amplitude mode of the annual cycle of the East Asian summer monsoon(EASM),characterized by two orthogonal patterns of southeasterly winds at 850 h Pa over the northwestern Pacific.The EASM phase-locked AMRE shows heavy rainfall events occurring extremely early and late in Beijing and surrounding areas,corresponding to the peak southeasterly wind anomalies in June and August.The EASM amplitude-locked AMRE exhibits extreme heavy or light rainfall over southwest areas with normal phase.Therefore,AMRE has a potential predictability on the seasonal time scale due to its phase-and amplitude-locking with the slow variation of the annual cycle of the EASM.
文摘Journal Customer services For ordering information,claims and any enquiry concerning your joumal subeription please go to contact your nearest ofice.America:Tel:(401)515-4764 Europe,Middle East,Africa and Asia Pacifie:Emil:aiar@163com;523404392@qcom;434421224@qq.com Te:+86-551-65148112 Annual subscription rate(12 issues):US$300.
基金supported by the National Key Research and Development Program of China(No.2022YFC3500601)the National Natural Science Foundation of China(Nos.82474395 and 81973755)+1 种基金the Project on Hebei Administration of Traditional Chinese Medicine(Nos.2022091 and 2025424)the Graduate Innovation Projects of Hebei University of Chinese Medicine(Nos.XCXZZBS2024005 and XCXZZBS2025029).
文摘Acupuncture has been widely recognized for its significant therapeutic effects in treating a variety of conditions,including pain management,cerebrovascular diseases,cancer-related symptoms,respiratory disorders,and neurological diseases.A large body of clinical research demonstrates the substantial benefits of acupuncture,such as improving post-stroke recovery,alleviating chronic pain,reducing chemotherapy-induced symptoms,and promoting perioperative recovery.Mechanistic studies have shown that acupuncture influences multiple physiological systems,particularly the nervous,immune,and endocrine systems,providing insights into how acupuncture modulates neuroinflammation,neurotransmitter release,and immune responses.The role of acupuncture in integrative medicine is increasingly significant,with growing recognition of its therapeutic efficacy in regions outside China,particularly in Europe and the Americas.Acupuncture is expected to continue to expand its application,offering effective non-pharmacological treatment options in various fields,thereby consolidating its position in modern healthcare.Ongoing research holds the promise that acupuncture will play a key role in managing chronic diseases and supporting overall health.The 2024 acupuncture annual review will provide a comprehensive summary of the latest clinical applications and mechanistic research in acupuncture,with the aim of elucidating the current landscape and guiding future directions in the field.
文摘The ISO Annual Meeting 2025 was successfully held in Kigali,capital of the Republic of Rwanda,on October 6-10.The event included the opening and closing ceremonies,sessions with different themes,governance meetings and social activities.It was hosted by Rwanda Standards Board(RSB),the ISO member,marking a historic first for East Africa.
基金supported by the National Council for Scientific and Technological Development(CNPq),Brazil(Nos.150712/2022-7 and 304905/2022-4)the Sao Paulo Research Foundation(FAPESP),Brazil(No.2021/01655-7)the Directorate of Research of the Universidad Técnica de Ambato,Ecuador for sponsoring the Project“Application of New Generation Sequencing Technologies—NGS—in the Analysis of Microbial Contamination in Water Bodies and Evaluation of High Priority Pathogens”。
文摘Dear Editor,Antimicrobial resistance(AMR),which represents the ability of microorganisms to withstand the effects of medications that were previously effective against them,has emerged as a pressing global health concern.Antimicrobial resistance is responsible for 700000 deaths annually,with projections suggesting this could rise to 10 million by 2050(United Nations Environment Programme,2023).
文摘1 As autumn becomes winter,I eagerly anticipate December's reunion with my older brother,Don,at SilverStar Mountain Resort.Our annual“SilverStar time”has reconnected us over the past decade,filling me with excitement and reflection.
文摘A fish lantern performance troupe parades through the village of Wangmantian in Huangshan,Anhui Province,on 10 February.This event,a 600-year-old folk tradition,is celebrated annually by locals to pray for prosperity and good fortune.
文摘AAAAI/WAO Joint Congress was held in San Diego,California from February 28 to March 3,2025.The meeting theme of the year was“Climate Change and Allergic Diseases:Global Impact on Health”.This theme carried not just the weight of science,but also a sense of urgency in a world in the midst of change from many perspectives,not just scientific but also political and sociological.Other hot topics included“The Role of Artificial Intelligence and Informatics in the Detection and Management of Allergic Disorders”and“Asthma Management in an Ever-Changing World”.In the area of food allergy,a report on OUtMATCH was presented,focusing on the outcome of Omalizumab vs multi-food Oral Immunotherapy.An update on the new Immunotherapy Practice Parameter(2024)provided information on next-generation allergen immunotherapy.These topics are not independent of each other,illustrating the complex nature of our specialty.For example,climate change can affect air pollution,leading to increased asthma prevalence.This affects strategies for developing new asthma treatment algorithms,potentially leveraging artificial intelligence to optimize outcomes.Artificial intelligence is poised to transform our lives,not just in asthma management,but all across all areas of healthcare.Climate change will also impact how we treat food allergies due to the impact of microbiome changes resulting from changing exposures to environmental pollutants and allergens,necessitating new and innovative methods of prevention and treatment.This meeting was especially significant given the world’s lack of commitment to addressing critical planetary issues,such as climate change.It is hoped that the meeting theme will at least draw attention once again to the deleterious health effects of climate change.
文摘1.The state of the world’s health Today’s global health landscape presents pressing challenges that demand urgent action.Nearly half of the global population lacks access to Universal Health Coverage(UHC),leaving millions vulnerable.Each year,100 million people are driven into extreme poverty by medical expenses.Noncommunicable diseases(NCDs),such as cancer,heart disease,and diabetes,are responsible for 41 million deaths annuallyd71%of global mortality.Communicable diseases remain a significant threat,particularly in emerging economies,with only 81%of children receiving vaccinations in 2021da 5%decline from previous years.Compounded by this,humanitarian crises in 2024 are expected to impact 300 million people,and the proportion of the population aged over 60 is projected to nearly double between 2015 and 2050.Additionally,mental illness affects over 970 million people,posing significant challenges to healthcare providers,particularly nurses.
