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Chinese herbal medicine Ginkgo biloba *** for ischemic stroke:An overview of systematic reviews and meta-analyses

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Journal of Integrative Medicine 2024年第2期22卷 163-179页

作者： Tian-tian Meng Ya-ping You Min Li Jian-bo Guo Xin-bin Song Jing-yi Ding Xiao-long Xie An-qi Li Shang-jin Li Xiang-jun Yin Peng Wang Zhe Wang Bao-liang Wang qing-yong He Department of Cardiology Guang'anmen HospitalChina Academy of Chinese Medical SciencesBeijing 100032China Department of Rehabilitation Dongfang HospitalBeijing University of Chinese MedicineBeijing 100071China School of Chemistry and Chemical Engineering Shanghai Jiao Tong UniversityShanghai 200240China School of Chinese Medicine the University of Hong KongHong KongChina Graduate School Henan University of Chinese MedicineZhengzhou 450008Henan ProvinceChina Department of Acupuncture and Moxibustion Dongzhimen HospitalBeijing University of Chinese MedicineBeijing 100010China Department of Cardiology Guang’anmen HospitalChina Academy of Chinese Medical SciencesZhengzhou 450008Henan ProvinceChina School of Integrated Traditional Chinese and Western Medicine Southwest Medical UniversityHangzhou 310053Zhejiang ProvinceChina School of Basic Medical Sciences Zhejiang Chinese Medical UniversityHangzhu 310053Zhejang ProvinceChina Department of Neurology the First Affiliated Hospital of Henan University of Chinese MedicineZhengzhou 450003Henan ProvinceChina

Background:Ginkgo biloba ***(GBLPs)are a class of Chinese herbal medicine used in the adjuvant treatment of ischemic stroke(IS).Recently,several systematic reviews(SRs)and meta-analyses(MAs)of GBLPs for IS have been ***:This overview aims to assess the quality of related SRs and *** strategy:Pub Med,Embase,Cochrane Library,Web of Science,Chinese Biological Medicine,China National Knowledge Infrastructure,Wanfang,and Chinese Science and Technology Journals databases were searched from their inception to December 31,*** criteria:SRs and MAs of randomized controlled trials(RCTs)that explored the efficacy of GBLPs for patients with IS were *** extraction and analysis:Two independent reviewers extracted data and assessed the methodological quality,risk of bias(ROB),reporting quality,and credibility of evidence of the included SRs and MAs using A Measurement Tool to Assess Systematic Reviews 2(AMSTAR 2),Risk of Bias in Systematic Reviews(ROBIS),the Preferred Reporting Items for Systematic Reviews and Meta-analyses(PRISMA),and the Grading of Recommendations Assessment,Development and Evaluation(GRADE),***,descriptive analysis and data synthesis were ***:Twenty-nine SRs/MAs involving 119 outcomes were included in this *** overall methodological quality of all SRs/MAs was critically low based on AMSTAR 2,and 28 had a high ROB based on the *** to the PRISMA statement,the reporting items of the included SRs/MAs are relatively *** results based on GRADE showed that of the 119 outcomes,8 were rated as moderate quality,24 as low quality,and 87 as very low *** on the data synthesis,GBLPs used in conjunction with conventional treatment were superior to conventional treatment alone for decreasing neurological function ***:GBLPs can be considered a beneficial supplemental therapy for ***,because of the low quality of the existing eviden

关键词： statement synthesis alone

董事会内部非正式网络对企业创新的影响——基于董事会外部网络的调节作用

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技术经济 2024年第6期43卷 87-98页

作者：綦萌冯斌北京工业大学经济与管理学院北京100124

创新既是我国经济实现高质量发展的重要动力,也是企业长期获取竞争优势的关键。董事会作为制定企业战略的核心,通过对创新资源的获取与运用影响企业创新水平。基于社会网络理论,从董事会内部网络和外部网络两方面,探析了董事会内部非正... 详细信息

创新既是我国经济实现高质量发展的重要动力,也是企业长期获取竞争优势的关键。董事会作为制定企业战略的核心,通过对创新资源的获取与运用影响企业创新水平。基于社会网络理论,从董事会内部网络和外部网络两方面,探析了董事会内部非正式网络对企业创新的影响以及董事会外部网络的调节效应。通过2013—2021沪深A股上市公司数据,研究发现:基于“七同”关系属性形成的董事会内部非正式网络可以显著促进企业创新;董事会外部网络结构洞与网络中心性均可正向调节董事会内部非正式网络与企业创新之间的关系。研究结论不仅回应了学术界关于人口统计学特征与中国本土情景相结合的呼吁,而且揭示了董事会内部与外部网络的互动性,深化了对中国本土企业社会网络治理机制的认识。

关键词：董事会非正式网络网络结构洞网络中心性

空气质量改善能缩小城乡居民消费差距吗?——兼论绿色发展对共同富裕的促进作用

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当代经济管理 2024年第2期46卷 28-40页

作者：张斌王琦南开大学经济学院天津300071

厘清空气质量对城乡居民消费差距的影响作用,有助于理解中国式现代化进程中绿色发展与共同富裕目标的协同推进。从医疗和防御性支出、规避行为以及劳动生产率等视角阐释了空气质量影响城乡居民消费差距的理论机制,并使用2005—2020年中... 详细信息

厘清空气质量对城乡居民消费差距的影响作用,有助于理解中国式现代化进程中绿色发展与共同富裕目标的协同推进。从医疗和防御性支出、规避行为以及劳动生产率等视角阐释了空气质量影响城乡居民消费差距的理论机制,并使用2005—2020年中国省际面板数据对其影响作用进行了实证检验。研究发现:空气质量改善会显著缩小城乡居民消费差距,这一结论在使用逆温天数作为工具变量进行内生性处理,以及更换空气污染物指标、考虑空间自相关等方式进行稳健性检验后依然成立;该作用通过缩小城乡居民消费倾向差距以及城乡居民收入差距两条渠道产生;此外,空气质量对城乡居民消费差距的影响作用还存在空间溢出效应。研究结果表明,推动绿色发展改善空气质量,能够缩小城乡居民消费差距,从而助力共同富裕目标的实现。

关键词：绿色发展空气质量城乡居民消费差距共同富裕规避行为

Publication scope and priorities of FESE in an evolving world: An editorial update and perspective

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Frontiers of Environmental Science & Engineering 2024年第1期18卷 169-171页

作者： Deng, Shubo Jin, Rencun Liang, Sai Liu, Fudong Liu, Jinyong Lyu, Lai Ning, Daliang Pan, bingcai van Hullebusch, Eric Wang, bin Wen, Xianghua Xiao, Kang Xu, Elvis Genbo Yang, Hong Ying, qi Zhan, Xinmin Zhao, Dongye

Frontiers of Environmental Science&Engineering(FESE)is one of the flagship journals of the Chinese Academy of *** is an international peer-reviewed journal that publishes cutting-edge scientific work in all aspects of environmental *** 2007,FESE has been an important platform for communicating the cutting-edge progress of theories,methods,technologies,and policies in environmental science and *** authors and readers involve scientists,engineers,and policymakers that are important stakeholders in dealing with environmental *** authors are encouraged to review recent issues of FESE to gain a deep understanding of the topics that are of great interest to the journal’s *** the cover letter,please clearly state the relevance to the journal’s publication scope and *** particular,prospective authors are directed to the following instructions for further details on the scope,novelty and quality expectations,and minimum requirements.

关键词： journal please dealing

Friction between Strongly Compressed Polymer Brushes

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Chinese Journal of Polymer Science 2024年第9期42卷 1368-1374,I0008页

作者： qi Liao Institute of Chemistry Chinese Academy of SciencesBejing 100190China

We present the results of molecular dynamics simulations of steady shear between a pair of neutral polymer brushes,as well as a pair of charged polymer brushes in the strongly compressed *** results of the molecular dynamic simulations of neutral and polyelectrolyte brushes in implicit solvent including normal forces,shear forces,viscosities and friction coefficients as a function of separation between brushes,are presented in the *** comparison of the simulation results of neutral and charged brushes shows that the charged brushes is in the quasi-neutral regime,and the dependence of viscosity on the separation distance show the similar power law of neutral *** simulation results confirm that the implicit solvent simulations of polyelectrolyte brushes that ignore hydrodynamics interaction are in agreement with the scaling predictions qualitatively because of screening of hydrodynamic interaction and long-range electrostatic interactions on the correlation length *** of neutral and charged brushes show the lubrication properties that the friction coefficient decreases with the separation decreases at enough large ***,a maximum of friction coefficients is observed for polyelectrolyte brushes,which is in contrast to the neutral brushes with monotonical dependence.

关键词： Polymer brush Frictions coefficient Polyelectrolyte Lubrication

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数字化转型对企业腐败的影响研究

软科学 2024年第7期38卷 7-14,21页

作者：吴铁骐董斌东南大学经济管理学院南京211189

利用2013-2021年中国上市公司数据,从微观角度分析企业数字化转型是否有助于减少腐败。研究发现:第一,企业数字化程度与腐败支出负相关,表明企业数字化转型有助于反腐败。该研究结论经过一系列稳内生性及稳健性检验后依旧成立。第二,通... 详细信息

利用2013-2021年中国上市公司数据,从微观角度分析企业数字化转型是否有助于减少腐败。研究发现:第一,企业数字化程度与腐败支出负相关,表明企业数字化转型有助于反腐败。该研究结论经过一系列稳内生性及稳健性检验后依旧成立。第二,通过机制检验发现,数字化转型有助于增加企业透明度、提升企业竞争力,从而减少腐败行为。第三,数字化转型对企业腐败的抑制效应在无政治关联及民营企业中更为显著;区域财政透明度、市场化水平对数字化抑制腐败效果具有正向调节作用。

关键词：数字化转型企业腐败企业透明度企业竞争力

中国式现代化下国有企业产业控制的功能定位、作用机制与提升路径

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经济学家 2024年第8期 67-76页

作者：肖斌陈其源厦门大学马克思主义学院

全球新一轮技术革命及经济政治博弈的迭代升级对推进中国式现代化构成了严重挑战,要求国有企业发挥特定的产业控制功能支撑中国式现代化战略目标的实现。国有企业产业控制功能的作用机制主要表现为:国有企业向战略必争领域集中,提升对... 详细信息

全球新一轮技术革命及经济政治博弈的迭代升级对推进中国式现代化构成了严重挑战,要求国有企业发挥特定的产业控制功能支撑中国式现代化战略目标的实现。国有企业产业控制功能的作用机制主要表现为:国有企业向战略必争领域集中,提升对国家产业战略的牵引支撑作用;强化产业链“链长”能力建设,提升对非公有制经济的引领带动作用;融入全球产业链供应链布控,提升对国际资本施压的自主反制作用等。在推进中国式现代化的目标任务下,国有企业需要通过深化体制机制改革巩固增强产业控制功能,精准塑造面向新质生产力的新型产业控制力,同时注重联合多元主体激发产业控制的正向外溢效应,以此更好发挥其对中国式现代化的战略支撑作用。

关键词：国有企业产业控制中国式现代化

AI for organic and polymer synthesis

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Science China Chemistry 2024年第8期67卷 2461-2496页

作者： Xin Hong qi Yang Kuangbiao Liao Jianfeng Pei Mao Chen Fanyang Mo Hua Lu Wen-bin Zhang Haisen Zhou Jiaxiao Chen Lebin Su Shuo-qing Zhang Siyuan Liu Xu Huang Yi-Zhou Sun Yuxiang Wang Zexi Zhang Zhunzhun Yu Sanzhong Luo Xue-Feng Fu Shu-Li You Center of Chemistry for Frontier Technologies Department of ChemistryZhejiang UniversityHangzhou 310027China Center of Basic Molecular Science Department of ChemistryTsinghua UniversityBeijing 100084China Guangzhou National Laboratory Guangzhou 510005China Center for Quantitative Biology Academy for Advanced Interdisciplinary StudiesPeking UniversityBeijing 100871China State Key Laboratory of Molecular Engineering of Polymers Department of Macromolecular ScienceFudan UniversityShanghai 200433China School of Materials Science and Engineering Peking UniversityBeijing 100871China Beijing National Laboratory for Molecular Sciences Center for Soft Matter Science and EngineeringKey Laboratory of Polymer Chemistry and Physics of Ministry of EducationCollege of Chemistry and Molecular EngineeringPeking UniversityBeijing 100871China AI for Science(AI4S)-Preferred Program Shenzhen Graduate SchoolPeking UniversityShenzhen 518055China State Key Laboratory of Chemical Biology Shanghai Institute of Organic ChemistryUniversity of Chinese Academy of SciencesChinese Academy of SciencesShanghai 200032China Department of Chemical Sciences National Natural Science Foundation of ChinaBeijing 100085China State Key Laboratory of Organometallic Chemistry Shanghai Institute of Organic ChemistryChinese Academy of SciencesShanghai 200032China

Recent years have witnessed the transformative impact from the integration of artificial intelligence with organic and polymer synthesis. This synergy offers innovative and intelligent solutions to a range of classic problems in synthetic chemistry. These exciting advancements include the prediction of molecular property, multi-step retrosynthetic pathway planning, elucidation of the structure-performance relationship of single-step transformation, establishment of the quantitative linkage between polymer structures and their functions, design and optimization of polymerization process, prediction of the structure and sequence of biological macromolecules, as well as automated and intelligent synthesis platforms. Chemists can now explore synthetic chemistry with unprecedented precision and efficiency, creating novel reactions, catalysts, and polymer materials under the datadriven paradigm. Despite these thrilling developments, the field of artificial intelligence(AI) synthetic chemistry is still in its infancy, facing challenges and limitations in terms of data openness, model interpretability, as well as software and hardware support. This review aims to provide an overview of the current progress, key challenges, and future development suggestions in the interdisciplinary field between AI and synthetic chemistry. It is hoped that this overview will offer readers a comprehensive understanding of this emerging field, inspiring and promoting further scientific research and development.

关键词： organic synthesis polymer synthesis machine learning prediction chemical database automated synthesis

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中继卫星空间静态波束的构建方法

中国空间科学技术 2024年第1期44卷 83-88页

作者：单长胜俞道滨齐斌北京空间信息传输中心北京102300

通过空间静态波束的广域覆盖,中继卫星测控服务的时效性及多目标能力将得到有效提升。对中继卫星空间静态波束的构建方法进行了研究,在数字波束形成原理基础上,基于中继卫星相控阵天线和多个地面返向波束计算单元,实现了空间静态波束形... 详细信息

通过空间静态波束的广域覆盖,中继卫星测控服务的时效性及多目标能力将得到有效提升。对中继卫星空间静态波束的构建方法进行了研究,在数字波束形成原理基础上,基于中继卫星相控阵天线和多个地面返向波束计算单元,实现了空间静态波束形成。最后对空间静态波束构型进行仿真分析,从不同波束交叠和不同空间高度2个角度分别开展。结果表明,在工程应用中须对卫星波束覆盖和地面返向波束计算单元数量进行折中考虑,最大化发挥中继卫星空间静态波束的性能优势。

关键词：中继卫星相控阵天线空间静态波束数字波束形成卫星波束构型波束交叠

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