What is already known about this topic?Mushroom poisoning is becoming one of the most serious food safety issues in China,which is responsible for nearly a half of all oral poisoning deaths.What is added by this repor...What is already known about this topic?Mushroom poisoning is becoming one of the most serious food safety issues in China,which is responsible for nearly a half of all oral poisoning deaths.What is added by this report?In China,many mushrooms were previously“recorded”as poisonous.In this study,about 70 species obtained from mushroom poisoning incidents including several new records were confirmed accurately by morphological and molecular evidence in 2019,and spatial and temporal distribution characters of 13 lethal mushrooms were summarized systematically.What are the implications for public health practice?Precise and timely species identification is of pivotal importance in mushroom incidents.More efforts and cooperation are continued to be needed urgently for the governments,CDC staff,doctors and mycologists in future.展开更多
By means of the determinantal formulae for inverse and reciprocal differences with coincident data points, the limiting case of Thiele's interpolating continued fraction expansion is studied in this paper and give...By means of the determinantal formulae for inverse and reciprocal differences with coincident data points, the limiting case of Thiele's interpolating continued fraction expansion is studied in this paper and given numerical example shows that the limiting Thiele's continued fraction expansion can be determined once for all instead of carrying out computations for each step to obtain each convergent as done in [3].展开更多
Peptide drug development has made great progress in the last decade thanks to new production,modification,and analytic technologies.Peptides have been produced and modified using both chemical and biological methods,t...Peptide drug development has made great progress in the last decade thanks to new production,modification,and analytic technologies.Peptides have been produced and modified using both chemical and biological methods,together with novel design and delivery strategies,which have helped to overcome the inherent drawbacks of peptides and have allowed the continued advancement of this field.展开更多
The subfamily Megophryinae,as a representative batrachian group of the Oriental Realm and one of the most diverse groups of amphibians,has attracted considerable attention due to continued conjecture regarding its gen...The subfamily Megophryinae,as a representative batrachian group of the Oriental Realm and one of the most diverse groups of amphibians,has attracted considerable attention due to continued conjecture regarding its generic classification and failure to reach a satisfactory consensus.China boasts the richest diversity of Asian horned toads,containing some two thirds of the total species cataloged.However,most species have a complicated taxonomic history,resulting in multiple misidentifications.As such,an overall clarification of historical records and regional checklists is required.In the current investigation,we established the phylogeny of the Asian horned toads and performed detailed examinations with redefinitions of several important morphological traits.Based on the phylogenetic relationships and morphological differences,we propose a new ten-genus classification for the Asian horned toad subfamily Megophryinae:i.e.,Brachytarsophrys,Atympanophrys,Grillitschia,Sarawakiphrys gen.nov.,Jingophrys gen.nov.,Xenophrys,Megophrys,Pelobatrachus,Ophryophryne,and Boulenophrys.Revisions on the diagnosability,distribution,and content of each genus are provided.Furthermore,we present a careful review of the taxonomic history of Asian horned toad species from China and provide a monograph of congeners,including six species of Brachytarsophrys,four species of Atympanophrys,five species of Jingophrys gen.nov.,10 species of Xenophrys,two species of Ophryophryne,and 60 species of Boulenophrys.Finally,we discuss the importance of traditional morphological traits based on multiple populations in taxonomic work as well as taxonomic inflation caused by the genetic species delimitation.展开更多
Background:The Transitional Care Model(TCM)for nursing care has yet to be implemented in China despite its success in Western countries.However,rapid social changes have demanded an upgrade in the quality of nursing c...Background:The Transitional Care Model(TCM)for nursing care has yet to be implemented in China despite its success in Western countries.However,rapid social changes have demanded an upgrade in the quality of nursing care;in 2010,the Chinese government has acknowledged the need to implement the TCM in China.Objective:This study has the following objectives:(1)perform a thorough review of the literature regarding the development and implementation of the TCM in China's Mainland within the past 5 years;(2)provide a comprehensive discussion of the current status,problems,and strategies related to the implementation of the TCM in China's Mainland;and(3)suggest strategies pertaining to the future of the TCM in China.Design:The current pertinent literature is systematically reviewed.Data sources:Systematic and manual searches in computerized databases for relevant studies regarding the TCM led to the inclusion of 26 papers in this review.Review methods:Abstracts that satisfied the inclusion criteria were reviewed independently by the two authors of this manuscript,and discrepancies were resolved through discussion.The same reviewers independently assessed the paper in its entirety for selected abstracts.Results:The present English literature reviewrevealed a paucity of updated information about the development and implementation of the TCM in China's Mainland.Nevertheless,the dramatic growth of the TCM in the past 5 years has had a vital impact within the society and in nursing development.This review also revealed numerous issues regarding the focus of the TCM.Overall implications for practiceandrecommendations for future researchare discussed.Conclusion:Despite the potential of this nursing model to have a successful and beneficial impact in China's Mainland,it remains an under-researched topic.Further research on education and training as well as premium policies for nurses under the TCM are needed.展开更多
Dear Editor,Recombinant tissue plasminogen activator(rt-PA)remains the only proven therapy for acute ischemic stroke patients who meet the selection criteria for treatment[1–3].A small number of studies have invest...Dear Editor,Recombinant tissue plasminogen activator(rt-PA)remains the only proven therapy for acute ischemic stroke patients who meet the selection criteria for treatment[1–3].A small number of studies have investigated the efficacy of rt-PA for elderly stroke patients in Japanese and Caucasian populations[4,5].According to the American Heart Association/American Stroke Association Guidelines,展开更多
There are many accelerating convergence factors (ACFs) for limit periodic continued fraction K(an/1)(an→a≠0). In this paper, some characteristics and comparative theorems are ob tained on ACFs. Two results are given...There are many accelerating convergence factors (ACFs) for limit periodic continued fraction K(an/1)(an→a≠0). In this paper, some characteristics and comparative theorems are ob tained on ACFs. Two results are given for most frequently used ACFs.展开更多
Numerical approximate computations can solve large and complex problems fast.They have the advantage of high efficiency.However they only give approximate results,whereas we need exact results in some fields.There is ...Numerical approximate computations can solve large and complex problems fast.They have the advantage of high efficiency.However they only give approximate results,whereas we need exact results in some fields.There is a gap between approximate computations and exact results. In this paper,we build a bridge by which exact results can be obtained by numerical approximate computations.展开更多
DEAR EDITOR,Since the first reported severe acute respiratory syndrome coronavirus 2(SARS-CoV-2)infection in December 2019,coronavirus disease 2019(COVID-19)has become a global pandemic,spreading to more than 200 coun...DEAR EDITOR,Since the first reported severe acute respiratory syndrome coronavirus 2(SARS-CoV-2)infection in December 2019,coronavirus disease 2019(COVID-19)has become a global pandemic,spreading to more than 200 countries and regions worldwide.With continued research progress and virus detection,SARS-CoV-2 genomes and sequencing data have been reported and accumulated at an unprecedented rate.展开更多
In an effort to end the HIV epidemic by 2030, the Joint United Nations Program on HIV/AIDS(UNAIDS)set the ‘90-90-90’ target and aimed to expand the timely use of ART worldwide. By the end of 2017,21.7 million people...In an effort to end the HIV epidemic by 2030, the Joint United Nations Program on HIV/AIDS(UNAIDS)set the ‘90-90-90’ target and aimed to expand the timely use of ART worldwide. By the end of 2017,21.7 million people living with HIV, amounting to59% of HIV patients worldwide, were receiving antiretroviral therapy(ART)[1]. In China, the National Free Antiretroviral Treatment Program(NFATP),which was initiated in 2002, continued to progress.展开更多
What is already known about this topic?Bacterial resistance surveillance is crucial for monitoring and understanding the trends and spread of drug-resistant bacteria.What is added by this report?The number of strains ...What is already known about this topic?Bacterial resistance surveillance is crucial for monitoring and understanding the trends and spread of drug-resistant bacteria.What is added by this report?The number of strains collected in 2022 increased compared to 2021.The top five bacteria,including Escherichia coli,Klebsiella pneumoniae,Staphylococcus aureus,Pseudomonas aeruginosa,and Acinetobacter baumannii,remained largely unchanged.The detection rate of methicillin-resistant strains continued to decrease.Among clinical Enterobacterales isolates,the resistance rate to carbapenems was generally below 13%,except for Klebsiella spp.,which had a resistance range of 20.4%to 21.9%.Most clinical Enterobacterales isolates were highly susceptible to tigecycline,colistin,and polymyxin B,with resistance rates ranging from 0.1%to 12.6%.The detection rate of meropenem-resistant P.aeruginosa and meropenemresistant Acinetobacter baumannii showed a decreasing trend for the fourth consecutive year.What are the implications for public health practice?Multidrug-resistant bacteria remain a significant public health challenge in clinical antimicrobial treatment.To effectively address bacterial resistance,it is essential to enhance both bacterial resistance surveillance and the prudent use of antimicrobial agents.展开更多
"In 2023,China's photovoltaic industry continued to maintain a rapid development momentum,with an additional installed capacity of more than 216 GW,accounting for more than half of the global total.The cumula..."In 2023,China's photovoltaic industry continued to maintain a rapid development momentum,with an additional installed capacity of more than 216 GW,accounting for more than half of the global total.The cumulative installed capacity is close to 610 GW,which helps the installed capacity of renewable energy surpass that of thermal power historically.In 2023,the output value of the domestic photovoltaic manufacturing industry exceeded RMB1.75 trillion,a year-on-year increase of 17.1%,and the output of the four main industrial chains of polysilicon.展开更多
In response to the severe challenges posed by global climate change and the sustainable development goals of reaching peak carbon emissions and achieving carbon neutrality, green development has become a shared object...In response to the severe challenges posed by global climate change and the sustainable development goals of reaching peak carbon emissions and achieving carbon neutrality, green development has become a shared objective and necessity for economic growth and social transformation worldwide. China and the ASEAN countries share extensive common interests and positions on addressing climate change. Both have consistently emphasized green and sustainable development in their pursuit of shared prosperity. They have engaged in extensive practical cooperation in areas such as ecological conservation and clean energy.展开更多
基金supported by the National Science Foundation of China(No.31501814)approved by the National Institute of Occupational Health and Poison Control Ethics Committee,Chinese Center for Disease Control and Prevention(NIOHP201904).
文摘What is already known about this topic?Mushroom poisoning is becoming one of the most serious food safety issues in China,which is responsible for nearly a half of all oral poisoning deaths.What is added by this report?In China,many mushrooms were previously“recorded”as poisonous.In this study,about 70 species obtained from mushroom poisoning incidents including several new records were confirmed accurately by morphological and molecular evidence in 2019,and spatial and temporal distribution characters of 13 lethal mushrooms were summarized systematically.What are the implications for public health practice?Precise and timely species identification is of pivotal importance in mushroom incidents.More efforts and cooperation are continued to be needed urgently for the governments,CDC staff,doctors and mycologists in future.
基金Supported by the Foundation for Excellent Young Teachers of the Ministry of Education of China and inpart by the Foundation f
文摘By means of the determinantal formulae for inverse and reciprocal differences with coincident data points, the limiting case of Thiele's interpolating continued fraction expansion is studied in this paper and given numerical example shows that the limiting Thiele's continued fraction expansion can be determined once for all instead of carrying out computations for each step to obtain each convergent as done in [3].
基金This work was supported by Zhejiang Provincial Natural Science Foundation of China under Grant No.LD22H310004,the National Natural Science Foundation of China(No.81770176)the"Pioneer"and"Leading Goose"R&D Program of Zhejiang(No.2022C03005)+2 种基金the special support plan for Zhejiang Province high-level talents(No.2019R52011)the Zhejiang Provincial Natural Science Foundation of China under Grant No.LQ20H300005Program of Xinmiao Talents in Zhejiang Province(2021R406062).
文摘Peptide drug development has made great progress in the last decade thanks to new production,modification,and analytic technologies.Peptides have been produced and modified using both chemical and biological methods,together with novel design and delivery strategies,which have helped to overcome the inherent drawbacks of peptides and have allowed the continued advancement of this field.
基金supported by DFGP Project of Fauna of Guangdong-202115, Nanling National Park Construction Project (ZD22-ZC016AG)the National Animal Collection Resource Center,China。
文摘The subfamily Megophryinae,as a representative batrachian group of the Oriental Realm and one of the most diverse groups of amphibians,has attracted considerable attention due to continued conjecture regarding its generic classification and failure to reach a satisfactory consensus.China boasts the richest diversity of Asian horned toads,containing some two thirds of the total species cataloged.However,most species have a complicated taxonomic history,resulting in multiple misidentifications.As such,an overall clarification of historical records and regional checklists is required.In the current investigation,we established the phylogeny of the Asian horned toads and performed detailed examinations with redefinitions of several important morphological traits.Based on the phylogenetic relationships and morphological differences,we propose a new ten-genus classification for the Asian horned toad subfamily Megophryinae:i.e.,Brachytarsophrys,Atympanophrys,Grillitschia,Sarawakiphrys gen.nov.,Jingophrys gen.nov.,Xenophrys,Megophrys,Pelobatrachus,Ophryophryne,and Boulenophrys.Revisions on the diagnosability,distribution,and content of each genus are provided.Furthermore,we present a careful review of the taxonomic history of Asian horned toad species from China and provide a monograph of congeners,including six species of Brachytarsophrys,four species of Atympanophrys,five species of Jingophrys gen.nov.,10 species of Xenophrys,two species of Ophryophryne,and 60 species of Boulenophrys.Finally,we discuss the importance of traditional morphological traits based on multiple populations in taxonomic work as well as taxonomic inflation caused by the genetic species delimitation.
文摘Background:The Transitional Care Model(TCM)for nursing care has yet to be implemented in China despite its success in Western countries.However,rapid social changes have demanded an upgrade in the quality of nursing care;in 2010,the Chinese government has acknowledged the need to implement the TCM in China.Objective:This study has the following objectives:(1)perform a thorough review of the literature regarding the development and implementation of the TCM in China's Mainland within the past 5 years;(2)provide a comprehensive discussion of the current status,problems,and strategies related to the implementation of the TCM in China's Mainland;and(3)suggest strategies pertaining to the future of the TCM in China.Design:The current pertinent literature is systematically reviewed.Data sources:Systematic and manual searches in computerized databases for relevant studies regarding the TCM led to the inclusion of 26 papers in this review.Review methods:Abstracts that satisfied the inclusion criteria were reviewed independently by the two authors of this manuscript,and discrepancies were resolved through discussion.The same reviewers independently assessed the paper in its entirety for selected abstracts.Results:The present English literature reviewrevealed a paucity of updated information about the development and implementation of the TCM in China's Mainland.Nevertheless,the dramatic growth of the TCM in the past 5 years has had a vital impact within the society and in nursing development.This review also revealed numerous issues regarding the focus of the TCM.Overall implications for practiceandrecommendations for future researchare discussed.Conclusion:Despite the potential of this nursing model to have a successful and beneficial impact in China's Mainland,it remains an under-researched topic.Further research on education and training as well as premium policies for nurses under the TCM are needed.
基金the Shanghai Municipal Commission of Health and Family Planning for its grant support for the establishment and implementation of the stroke management model in Shanghai,China
文摘Dear Editor,Recombinant tissue plasminogen activator(rt-PA)remains the only proven therapy for acute ischemic stroke patients who meet the selection criteria for treatment[1–3].A small number of studies have investigated the efficacy of rt-PA for elderly stroke patients in Japanese and Caucasian populations[4,5].According to the American Heart Association/American Stroke Association Guidelines,
基金Supported by the National Natural Science Foundation of china
文摘There are many accelerating convergence factors (ACFs) for limit periodic continued fraction K(an/1)(an→a≠0). In this paper, some characteristics and comparative theorems are ob tained on ACFs. Two results are given for most frequently used ACFs.
基金supported by National Natural Science Foundation of China (Grant No.10971072)Guangdong Provincial Natural Science Foundation (Grant No.8151027501000114)
文摘Let a≥1 be an integer.In this paper,we will prove the equation in the title has at most three positive integer solutions.
基金This work was partially supported by China 973 Project (Grant No.NKBRPC-2004CB318003)the Knowledge Innovation Program of the Chinese Academy of Sciences (Grant No.KJCX2-YW-S02).
文摘Numerical approximate computations can solve large and complex problems fast.They have the advantage of high efficiency.However they only give approximate results,whereas we need exact results in some fields.There is a gap between approximate computations and exact results. In this paper,we build a bridge by which exact results can be obtained by numerical approximate computations.
基金supported by the Strategic Priority Research Program of the Chinese Academy of Sciences(XDB38030200,XDB38050300,XDA19090116,XDA19050302)National Key R&D Program of China(2020YFC0848900,2020YFC0847000)。
文摘DEAR EDITOR,Since the first reported severe acute respiratory syndrome coronavirus 2(SARS-CoV-2)infection in December 2019,coronavirus disease 2019(COVID-19)has become a global pandemic,spreading to more than 200 countries and regions worldwide.With continued research progress and virus detection,SARS-CoV-2 genomes and sequencing data have been reported and accumulated at an unprecedented rate.
基金supported by the Research Project of Chongqing Municipal Science and Technology Bureau[cstc2019jscx-msxm X0225]Medical Research Project of Chongqing Municipal Health Commission [2017ZDXM001,2019ZDXM005]。
文摘In an effort to end the HIV epidemic by 2030, the Joint United Nations Program on HIV/AIDS(UNAIDS)set the ‘90-90-90’ target and aimed to expand the timely use of ART worldwide. By the end of 2017,21.7 million people living with HIV, amounting to59% of HIV patients worldwide, were receiving antiretroviral therapy(ART)[1]. In China, the National Free Antiretroviral Treatment Program(NFATP),which was initiated in 2002, continued to progress.
基金This research was supported by the National Key Research and Development Program of China(2021YFC2701800 and 2021YFC2701803)the China Antimicrobial Surveillance Network(funding from Pfizer,2023QD020)the Shanghai Antimicrobial Surveillance Network(3030231003).
文摘What is already known about this topic?Bacterial resistance surveillance is crucial for monitoring and understanding the trends and spread of drug-resistant bacteria.What is added by this report?The number of strains collected in 2022 increased compared to 2021.The top five bacteria,including Escherichia coli,Klebsiella pneumoniae,Staphylococcus aureus,Pseudomonas aeruginosa,and Acinetobacter baumannii,remained largely unchanged.The detection rate of methicillin-resistant strains continued to decrease.Among clinical Enterobacterales isolates,the resistance rate to carbapenems was generally below 13%,except for Klebsiella spp.,which had a resistance range of 20.4%to 21.9%.Most clinical Enterobacterales isolates were highly susceptible to tigecycline,colistin,and polymyxin B,with resistance rates ranging from 0.1%to 12.6%.The detection rate of meropenem-resistant P.aeruginosa and meropenemresistant Acinetobacter baumannii showed a decreasing trend for the fourth consecutive year.What are the implications for public health practice?Multidrug-resistant bacteria remain a significant public health challenge in clinical antimicrobial treatment.To effectively address bacterial resistance,it is essential to enhance both bacterial resistance surveillance and the prudent use of antimicrobial agents.
文摘"In 2023,China's photovoltaic industry continued to maintain a rapid development momentum,with an additional installed capacity of more than 216 GW,accounting for more than half of the global total.The cumulative installed capacity is close to 610 GW,which helps the installed capacity of renewable energy surpass that of thermal power historically.In 2023,the output value of the domestic photovoltaic manufacturing industry exceeded RMB1.75 trillion,a year-on-year increase of 17.1%,and the output of the four main industrial chains of polysilicon.
文摘In response to the severe challenges posed by global climate change and the sustainable development goals of reaching peak carbon emissions and achieving carbon neutrality, green development has become a shared objective and necessity for economic growth and social transformation worldwide. China and the ASEAN countries share extensive common interests and positions on addressing climate change. Both have consistently emphasized green and sustainable development in their pursuit of shared prosperity. They have engaged in extensive practical cooperation in areas such as ecological conservation and clean energy.