检索结果-南通市图书馆

Recent progress in ternary mixed matrix membranes for CO_(2) sepa.ation

Green Energy & Environment 2024年第5期9卷 831-858页

作者： Zikang Qin Yulei ma Jing Wei Hongfang Guo Bangda Wang Jing Deng Chunhai Yi Nanwen Li Shouliang Yi Yi Deng Wentao Du Jian Shen Wenju Jiang Lu Yao Lin Yang Zhongde Dai College of Architecture and Environment Sichuan UniversityChengdu610065China College of Carbon Neutrality Future Technology Sichuan UniversityChengdu610065China National Engineering Research Centre for Flue Gas Desulfurization Chengdu610065China Carbon Neutral Technology Innovation Center of Sichuan Chengdu610065China School of Chemical Biological and Materials EngineeringUniversity of OklahomaNormanOK73019USA Shaanxi Key Laboratory of Energy Chemical Process Intensification School of Chemical Engineering and TechnologyXi'an Jiaotong UniversityXi'an710049China State Key Laboratory of Coal Conversion Institute of Coal ChemistryChinese Academy of SciencesTaiyuan030001China US DOE Natl Energy Technol Lab626 Cochrans Mill RdPittsburghPA 15236USA DongFang Boiler Co. Ltd.China Clean Combustion and Flue Gas Purification Key Laboratory of Sichuan Province Chengdu611731China College of Environment and Resources Xiangtan UniversityXiangtan411105China

Mixed matrix membranes(MMMs)could combine the advantages of both polymeric membranes and porousﬁllers,making them an effective alternative to conventional polymer ***,interfacial incompa.ibility issues,such as the presence of interfacial voids,hardening of polymer chains,and blockage of micropores by polymers between common MMMsﬁllers and the polymer matrix,currently limit the gas sep-aration performance of *** phase MMMs(consisting of aﬁller,an additive,and a matrix)made by adding a third compound,usually functionalized additives,can overcome the structural problems of binary phase MMMs and positively impa.t membrane sepa.ation *** review introduces the structure and fabrication processes for ternary MMMs,categorizes various nanoﬁllers and the third component,and summarizes and analyzes in detail the CO_(2) sepa.ation performance of newly developed ternary MMMs based on both rubbery and glassy *** on this sepa.ation data,the challenges of ternary MMMs are also ***,future directions for ternary MMMs are proposed.

关键词： CO_(2) sepa.ation Mixed matrix membranes Ternary phase

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

MOF-derived Cu embedded into N-doped mesoporous carbon as a robust support of PdAu nanocatalysts for ethanol electrooxidation

引用

Rare Metals 2024年第3期43卷 1083-1094页

作者： Yu-Fu Huang Peng Wu Jun-Ping Tang Jian Yang Jing Li Shuai Chen Xue-Ling Zhao ChengChen Bin-Wei Zhang Yan-Yun ma Wei-Heng Shi Dong-Hai Lin Shi-Gang Sun School of Energy and materials Shanghai Engineering Research Center of Advanced Thermal Functional MaterialsShanghai Key Laboratory of Engineering Materials Application and EvaluationShanghai Polytechnic UniversityShanghai201209China State Key Laboratory of Physical Chemistry of Solid Surfaces Department of ChemistryCollege of Chemistry and Chemical EngineeringXiamen UniversityXiamen361005China School of Chemistry and Chemical Engineering Chongqing UniversityChongqing401331China Center of Advanced Energy Technology and Electrochemistry Institute of Advanced Interdisciplinary StudiesChongqing UniversityChongqing400044China Institute of Functional Nano&Soft materials(FUNSOM) Jiangsu Key Laboratory for Carbon-Based Functional Materials&DevicesSoochow UniversitySuzhou215123China Depa.tment of materials Science and Engineering Drexel UniversityPhiladelphiaPA19104USA

Metal-organic frameworks(MOFs)h ave attracted widespread attention due to their large surface area and porous *** designing the nanostructures of MOFs to promote their application in ethanol electrooxidation is still a ***,a novel Cu-NCNs(Cu-nitrogen-doped carbon nanotubes)support was synthesized by pyrolysis of melamine(MEL)and Cu-ZIF-8 together,and then,Pd-Au nanoalloys were loaded by sodium borohydride reduction method to prepa.e PdAu@Cu-NCNs *** generating mesoporous carbon with high specific surface area and favorable electron and mass transport can be used as a potential excellent carrier for PdAu *** addition,the balance of catalyst composition and surface structure was tuned by controlling the content of Pd and ***,the best-performed Pd_(2)Au_(2)@Cu-NCN-1000-2(where 1000 means the carrier calcination temperature,and 2 means the calcination constant temperature time)catalyst exhibits better long-term stability and electrochemical activity for ethanol oxidation in alkaline media(4.80 A·mg^(-1)),which is 5.05 times higher than that of commercial Pd/C(0.95 A·mg^(-1)).Therefore,this work is beneficial to further promoting the application of MOFs in direct ethanol fuel cells(DEFCs)and can be used as inspiration for the design of more efficient catalyst support structures.

关键词： Metal-organic frameworks(MOFs) N-doped Mesoporous carbon PdAu Ethanol electrooxidation

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Enterprise Modeling According to Enterprise Architects

Enterprise Modeling According to Enterprise Architects

引用

作者： ma?gorzata pa.kowska Depa.tment of Informatics University of Economics

In the context of enterprise modeling, this pa.er is to explain business modeling. The enterprise modeling has been developed to support different stakeholders in their decision-making processes. managers, auditors, enterprise architects, and business developers have pa.ticular expectations concerning the enterprise and they need conceptual modeling. Beyond that, business units, i.e., customers, producers, cooperators, and suppliers are interested in the conceptual modeling and enterprise models. In this pa.er, author argues that conceptual modeling is necessary for enterprise management, and pa.ticularly for internal auditing. Author uses the enterprise architecture approach, presents enterprise architecture frameworks;discusses enterprise modeling methods, languages, and tools to reveal the opportunity to apply conceptual modeling for enterprise management. This pa.er aims to present the application of Assurance map, tasks and goal modeling in an integrated conceptual model.

关键词： Enterprise Modeling Enterprise management Assurance map iStar Goal Modeling Language Archimate

来源： cnki会议评论

在线全文

cnki会议

学校读者我要写书评

暂无评论

爪形氨基酚氧基锌氯化物催化环氧化物和酸酐共聚研究

引用

化学学报 2024年第6期82卷 577-588页

作者：王海成马海燕华东理工大学化学与分子工程学院金属有机化学研究室上海200237

本工作合成了一系列基于爪形氨基酚氧基配体的新型锌氯化物,均通过^(1)H NMR、^(13)C NMR以及元素分析等进行了表征,且典型络合物通过X-ray单晶衍射分析确定了其空间配位结构.利用上述络合物实现了催化环氧环己烷、外消旋环氧氯丙烷和... 详细信息

本工作合成了一系列基于爪形氨基酚氧基配体的新型锌氯化物,均通过^(1)H NMR、^(13)C NMR以及元素分析等进行了表征,且典型络合物通过X-ray单晶衍射分析确定了其空间配位结构.利用上述络合物实现了催化环氧环己烷、外消旋环氧氯丙烷和邻苯二甲酸酐的共聚反应.在共聚过程中均表现出较高催化活性以及高酯链节选择性(>99%),得到分子量分布较窄的交替共聚物.典型络合物Zn1在80℃下催化环氧环己烷和邻苯二甲酸酐共聚时, TOFpa.可达到490 h^(-1),在相同条件下催化外消旋环氧氯丙烷和邻苯二甲酸酐共聚时, TOFpa.可达到848 h^(-1).研究表明,共聚反应可能通过环氧化物在亲核试剂进攻下开环引发,经后续重复的酸酐和环氧化物交替插入得到高酯链节含量共聚物.

关键词：爪形氨基酚氧基锌氯化物环氧化物酸酐共聚酯链节选择性

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

基于网络分析维持性血液透析患者症状群及桥梁症状研究

引用

中国血液净化 2024年第3期23卷 232-236页

作者：马水梅杨文君帕热旦木·托乎提何帆李媛媛颜萍新疆医科大学护理学院乌鲁木齐830000 新疆医科大学第一附属医院肾脏疾病中心肾病三科乌鲁木齐830000

目的探索维持性血液透析患者不同症状群间的关联关系,识别连接不同症状群的桥梁症状。方法采用便利抽样法,使用透析症状指数量表对480例维持性血液透析患者进行问卷调查。基于网络分析识别症状群间的桥梁症状。结果维持性血液透析患... 详细信息

目的探索维持性血液透析患者不同症状群间的关联关系,识别连接不同症状群的桥梁症状。方法采用便利抽样法,使用透析症状指数量表对480例维持性血液透析患者进行问卷调查。基于网络分析识别症状群间的桥梁症状。结果维持性血液透析患者经历着6个症状群,分别为皮肤症状群、尿毒症症状群、胃肠道症状群、情绪症状群、水电解质症状群与性功能障碍症状群。桥梁中心性指标显示桥梁强度最大的症状是担心(r_(bs)=7.946)和皮肤干燥(r_(bs)=7.800);桥梁紧密中心性最大的症状是担心(r_(bc)=0.331)和伤心(r_(bc)=0.322);桥梁中介中心性最大的症状是性欲减退(r_(bb)=12.000)和入睡困难(r_(bb)=7.000)。结论维持性血液透析患者受多个症状群困扰,担心和皮肤干燥是连接不同症状群的桥梁症状。针对桥梁症状进行精准干预,有利于阻断其在不同症状群间的桥接作用,提高症状管理效能。

关键词：维持性血液透析症状群桥梁症状网络分析

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Double-stranded DNA breaks and gene functions in recombination and meiosis

引用

Cell Research 2006年第5期16卷 402-412页

作者： Wuxing Li~1 Hong ma~1 ~1The Depa.tment of Biology,The Intercollege Graduate Degree Program in Plant Physiology,The Huck Institutes of the Life Sciences,The Pennsylvania State University,University pa.k,pa.16802,USA TheDepa.tmentofBiology ThelntercollegeGraduateDegreePrograminPlantPhysiologyTheHucklnstitutesoftheLifeSciencesThePennsylvaniaStateUniversityUniversityParkPA16802USA

Meiotic prophase Ⅰ is a long and complex *** recombination is an important process that occursbetween homologous chromosomes during meiotic prophase Ⅰ.Formation of chiasmata,which hold homologous chro-mosomes together until the metaphase Ⅰ to anaphase Ⅰ transition,is critical for proper chromosome *** have suggested that the SPO 11 proteins have conserved functions in a number of organisms in generating sites ofdouble-stranded DNA breaks (DSBs) that are thought to be the starting points of homologous *** these sites of DSBs requires the function of RecA homologs,such as RAD51,DMC 1,and others,as suggested bymutant studies;thus *** to repa.r these meiotic DSBs results in abnormal chromosomal alternations,leading todisrupted *** discoveries on the functions of these RecA homologs have improved the understanding of themechanisms underlying meiotic homologous recombination.

关键词： meiosis homologous recombination double-stranded DNA breaks SPO11 RAD51 DMC1

来源：

同方期刊数据库评论

在线全文

同方期刊数据库

学校读者我要写书评

暂无评论

添加蒲公英对苜蓿青贮品质及抗氧化活性的影响

引用

草业科学 2024年第09期41卷 2155-2163页

作者：马成艳周小栋马小婧黄帅宁夏大学林业与草业学院

将药用蒲公英（Taraxacum officinale）分别以0 （对照组，CK）、2%、4%、6%和8%添加至苜蓿（Medicago sativa）中进行青贮，每组4个重复，发酵60 d后测定青贮营养成分、发酵品质及抗氧化活性。结果表明，与CK相比，在营养品质上，4%组... 详细信息

将药用蒲公英（Taraxacum officinale）分别以0 （对照组，CK）、2%、4%、6%和8%添加至苜蓿（Medicago sativa）中进行青贮，每组4个重复，发酵60 d后测定青贮营养成分、发酵品质及抗氧化活性。结果表明，与CK相比，在营养品质上，4%组的干物质（DM）和粗脂肪（EE）含量显著增加（Ppa.含量均显著降低；所有蒲公英添加组乙酸（AA）含量均显著增加，均在1.00%以上，4%组乳酸（LA）含量和乳酸菌（LAB）数量均显著增加，分别为4.85%和7.19 lg (cfu·g-1)，且氨态氮（NH3-N）含量显著降低，为2.46%。抗氧化活性上，8%组类黄酮含量显著增加，为1.37%,4%、6%和8%组的总酚和总多糖含量及谷胱甘肽过氧化物酶（GSH-Px）活性均显著提高，6%组青贮的超氧化物歧化酶（SOD）活性显著提高，为241.37 U·mg-1,2%和6%组青贮的1,1-二苯基-2-三硝基苯肼（DPPH）清除率均显著提高，且均在90.00%以上；2%、4%和8%组青贮的总抗氧化能力（T-AOC）均显著提高，分别为0.51、0.60和0.43 mmol·L-1。主成分分析和综合得分排名表现为6%组>4%组>2%组>8%组>CK。综上所述，蒲公英添加量为6.0%时对苜蓿青贮的营养品质、发酵品质和抗氧化活性效果最好。

关键词：苜蓿蒲公英营养品质发酵品质抗氧化活性黄酮多糖

来源：

同方期刊数据库评论

在线全文

同方期刊数据库

学校读者我要写书评

暂无评论

Why people should run after positive affective experiences instead of health benefits

引用

Journal of Sport and Health Science 2024年第4期13卷 445-450页

作者： Silvio maltagliati Philippe Sarrazin Layan Fessler mael Lebreton Boris Cheval University of Grenoble Alpes SENSGrenoble 38000France pa.is School of Economics Paris 75014France Swiss Center for Affective Sciences University of GenevaGeneva 1202Switzerland Laboratory for Behavioral Neurology and Imaging of Cognition Department of Fundamental NeurosciencesUniversity of GenevaGeneva 1202Switzerland Laboratory for the Study of Emotion Elicitation and Expression(E3Lab) Department of PsychologyUniversity of GenevaGeneva 1202Switzerland

Over time,physical activity(pa.has shifted from being a necessity to being an *** a result,levels of pa.have sharply decreased.1 Today,we are facing a worldwide pa.demic of physical inactivity,with one death every 6 s attributed to insufficient pa.2 To counteract this trend,a tremendous effort is being made to promote regular pa.across the lifespa.,mainly through the dissemination of knowledge about the health benefits of accumulating sufficient pa.

关键词： sharply benefits attributed

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

植酸基生物涂层改善尼龙/棉混纺材料阻燃性能的研究

引用

塑料科技 2024年第5期52卷 62-65页

作者：王刚马丽包头轻工职业技术学院内蒙古包头014035

以植酸和L-半胱氨酸为原料,通过一锅法合成了植酸/半胱氨酸(pa.Cys)阻燃涂层,将制备的pa.Cys涂层喷涂到尼龙/棉混纺材料中,通过红外光谱法、热重分析仪、极限氧指数及垂直燃烧等测试,探究植酸基生物涂层对尼龙/棉混纺织物热稳定性、阻... 详细信息

以植酸和L-半胱氨酸为原料,通过一锅法合成了植酸/半胱氨酸(pa.Cys)阻燃涂层,将制备的pa.Cys涂层喷涂到尼龙/棉混纺材料中,通过红外光谱法、热重分析仪、极限氧指数及垂直燃烧等测试,探究植酸基生物涂层对尼龙/棉混纺织物热稳定性、阻燃性能和抑烟性能的影响。结果表明:pa.Cys喷涂能够显著改善尼龙/棉混纺材料的热稳定性、阻燃性能和抑烟性能。当pa.Cys喷涂两次时,尼龙/棉混纺材料的残炭率约为40%,较纯尼龙/棉混纺材料的残炭率提升了1.16倍。当pa.Cys喷涂两次时,尼龙/棉混纺织物的LOI值为26.6%,损毁长度为60 mm,续燃时间和阴燃时间均为0,TSP降至0.34 m^(2)。

关键词：植酸 L-半胱氨酸尼龙/棉混纺织物阻燃性能

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

The Ray Wu Society for Life Sciences

引用

Chinese Science Bulletin 2003年第8期48卷 839-840页

作者： ma Hong Depa.tment of Biology and The Huck Institute for Life Sciences, The Pennsylvania State University, 315 Wartik Laboratory, University pa.k, pa.16802, USA (e-mail: Hxm16@psu.edu) Penn State Univ Dept Biol Wartik Lab 315 University Pk PA 16802 USA Penn State Univ Huck Inst Life Sci Wartik Lab 315 University Pk PA 16802 USA

The Ray Wu Society for Life Sciences (RWS) is a non-profit professional society of Chinese-American and Chinese life scientists with the goal to promote scientific communication among the scientists between USA and China and the life science research in China. The members of the RWS, now numbered more than 300, are a group of elite biologists who have reached the level of assistant professor or equivalent in their careers and are experts of their respective fields including molecular biology and genetics, cell and developmental biology, me- dicine, pharmacology, plant biology, and biotechnology. RWS was founded in early 1998 by a group of life scientists who have come from China during the last 22 years. With the encouragement of Dr. Chris Tan, the Director of the Molecular Biology Institute in Singapore, who proposed to set up a fund in the name of Prof. Ray Wu of Cornell University to recognize his contribution to the academic exchange between China and the USA. A quick positive response was reflected from American Chinese scholars with a further proposal of forming a professional society. This initiative spread rapidly and widely throughout the existing networks of Chinese life-science professionals.

关键词：生命科学中国美国学术交流科学研究

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

欢迎您,

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

请选择保存的检索档案：

请选择收藏分类：

通借通还

欢迎您,

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：