检索结果-南通市图书馆

Highly Thermoconductive,Strong Graphene‑Based Composite Films by Eliminating Nanosheets Wrinkles

Nano-Micro Letters 2024年第1期16卷 328-340页

作者： guang xiao Hao Li Zhizhou Yu Haoting Niu Yagang Yao College of Engineering and Applied Sciences Jiangsu Key Laboratory of Artificial Functional Materialsand Collaborative Innovation Center of Advanced MicrostructuresNational Laboratory of Solid State MicrostructuresNanjing UniversityNanjing 210093People’s Republic of China Institute of Laser Manufacturing Henan Academy of SciencesZhengzhou 450052People’s Republic of China Center for Quantum Transport and Thermal Energy Science School of Physics and TechnologyNanjing Normal UniversityNanjing 210023People’s Republic of China

Graphene-based thermally conductive composites have been proposed as effective thermal management materials for cooling high-power electronic ***,when flexible graphene nanosheets are assembled into macroscopic thermally conductive composites,capillary forces induce shrinkage of graphene nanosheets to form wrinkles during solution-based spontaneous drying,which greatly reduces the thermal conductivity of the ***,graphene nanosheets/aramid nanofiber(GNS/ANF)composite films with high thermal conductivity were prepared by in-plane stretching of GNS/ANF composite hydrogel networks with hydrogen bonds andπ-π*** in-plane mechanical stretching eliminates graphene nanosheets wrinkles by suppressing inward shrinkage due to capillary forces during drying and achieves a high in-plane orientation of graphene nanosheets,thereby creating a fast in-plane heat transfer *** composite films(GNS/ANF-60 wt%)with eliminated graphene nanosheets wrinkles showed a significant increase in thermal conductivity(146 W m^(−1)K^(−1))and tensile strength(207 MPa).The combination of these excellent properties enables the GNS/ANF composite films to be effectively used for cooling flexible LED chips and smartphones,showing promising applications in the thermal management of high-power electronic devices.

关键词： Graphene Aramid nanofiber Wrinkles elimination In-plane stretching Thermal conductivity

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

Simultaneous Spectrophotometric Determination of Trace Palladium and Rhodium with2，4－TADAT

引用

Chemical Research in Chinese Universities 1994年第1期10卷 31-35页

作者： Zhang, xiao-ling Zhang, guang

ＳｉｍｕｌｔａｎｅｏｕｓＳｐｅｃｔｒｏｐｈｏｔｏｍｅｔｒｉｃＤｅｔｅｒｍｉｎａｔｉｏｎｏｆＴｒａｃｅＰａｌｌａｄｉｕｍａｎｄＲｈｏｄｉｕｍｗｉｔｈ２，４－ＴＡＤＡＴＺＨＡＮＧＸｉａｏ－ｌｉｎｇ；ａｎｄＺＨＡＮＧＧｕａ... 详细信息

ＳｉｍｕｌｔａｎｅｏｕｓＳｐｅｃｔｒｏｐｈｏｔｏｍｅｔｒｉｃＤｅｔｅｒｍｉｎａｔｉｏｎｏｆＴｒａｃｅＰａｌｌａｄｉｕｍａｎｄＲｈｏｄｉｕｍｗｉｔｈ２，４－ＴＡＤＡＴＺＨＡＮＧＸｉａｏ－ｌｉｎｇ；ａｎｄＺＨＡＮＧＧｕａｎｇ（ＤｅｐａｒｔｍｅｎｔｏｆＣｈ...

关键词： Thiazolylazo diamino toluene Rhodium Palladium

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

Dynamics of novel insecticide HNPC-A9908 residue in vegetable-field ecosystem

引用

Journal of Environmental Sciences 2006年第6期18卷 1041-1042页

作者： OU xiao-ming YU Shu-ying FAN De-fang WANG xiao-guang Institute of Pesticide Formulations and Application Systems Hunan Research Institute of Chemical Industry National Engineering and Technology Research Center for Agrochemicals Changsha 410007 China Institute of Pesticide and Environmental Toxicology Zhejiang University Hangzhou 310029 China

HNPC-A9908 （o-（3-phenoxybenzyl）-2-methylthio-1-（4-chlorophenyl） propyl ketone oxime）, a novel oxime insecticide, is a highly effective and broad-spectrum insecticide which can be widely used to control many species of foliar insects on various crops. A study was conducted to evaluate the fate of HNPC-A9908 and study the degradation dynamics of HNPC-A9908 residue in vegetable field ecosystem. The results showed that degradation of HNPC-A9908 was much faster in vegetable pakchoi than in soil, and its half-life in pakchoi and soil was 1.32 and 3.75 d, respectively. The final residue of HNPC-A9908 in pakchoi was at the undetectable level to 0.122 mg/kg. As a conclusion, a dosage of 90 g/hm^2 was suggested and considered to be safe to human beings and animals.

关键词： oxime insecticide HNPC-A9908 residue degradation pakchoi soil

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 integration of dinitropyrazole and 1,3,4-oxadiazole:A novel hybrid heterocyclic skeleton for balancing energy and stability

引用

Defence Technology（防务技术） 2023年第6期24卷 122-128页

作者： xiao-xiao Zheng Ting-ou Yan Lei Qian Hong-wei Yang guang-bin Cheng School of Chemistry and Chemical Engineering Nanjing University of Science and TechnologyNanjing210094China

In this study,a new energetic hybrid skeleton was constructed through the integration of nitropyrazole and 1,3,4-oxadiazole skeletons in a ***,the energetic precursor(2),the azo-bridged compound(3),the neutral nitramine(4)and the corresponding energetic salts(5-7)were *** physicochemical and energetic properties we re experimentally and theo retically *** the developed compounds,the azo-bridged compound(3)and dihydroxylammoinium(6)display high detonation performances(3,D_(v)=8904 m/s,P=34.47 GPa;6,D_(v)=9025 m/s,P=34.66 GPa),moderate sensitivities(3,IS=16 J,FS=120 N;6,IS=20 J,FS=312 N)and good densities(3,1.87 g/cm^(3);6,1.81 g/cm^(3)),which indicates that they have the potential to replace the traditional high-energy explosive *** results show that the integration of different energetic skeletons can achieve a good balance between energy and sensitivity.

关键词： Heterocycle Azo-bridged Hybrid skeletons Energetic materials

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

Quantum Fluctuations of a Mesoscopic RLC Circuit in a Displaced Squeezed Fock State

引用

Chinese Physics Letters 2000年第3期17卷 171-173页

作者： WANG xiao-guang PAN Shao-Hua Laboratory of Optical Physics Institute of PhysicsChinese Academy of SciencesBeijing 100080 China Center of Advanced Science and Technology(World Laboratory) P.O.Box 8730Beijing 100080

Starting from the equation of motion for a circuit including resistor,inductor and capacitor(RLC),we study the Quantum Huctuations of charge and magnetic Hux of a mesoscopic RLC circuit in a displaced squeezed Fock *** is found that the Huctuations of charge *** Hux do not depend on the displacement parameter and there exist squeezing effects between *** also show how to generate the displaced squeezed Fock state in the RLC circuit.

关键词： state Fock charge

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Wurtzite Boron Nitride Crystal Growth in the Region of Cubic Boron Nitride Crystal Synthesizing

引用

Chinese Physics Letters 1998年第1期15卷 70-71页

作者： ZHANG Tie-chen YU san LI Dong-mei GUO Wei-li GAO Chun-xiao ZOU guang-tian National Key Laboratory for Superhard Materials Jilin UniversityChangchun 130023

Micro-grains of wurtzite boron nitride(wBN)crystal have been observed in the region of 5.0-7.0 GPa pressure and 1800-2000 K temperature where cubic boron nitride has been synthesized in the presence of a *** wBN grain size is about *** presence of these micro-grains indicates that the pressure for wBN growth could be lower than that found in the previous work.

关键词： catalyst boron Crystal

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

K-groups of Toeplitz algebras on connected domains

引用

Science China Mathematics 2007年第1期50卷 73-80页

作者： guang-fu CAO xiao-hong WANG School of Mathematics and Information Sciences Guangzhou UniversityGuangzhou 510006China Department of Mathematics Sichuan UniversityChengdu 610064China

In the present paper, it is proved that the K0-group of a Toeplitz algebra on any connected domain is always isomorphic to the K0-group of the relative continuous function algebra. In addition, the cohomotopy groups of essential boundaries of some connected domains are computed, and the K0-groups of the continuous function algebras on these domains are also computed.

关键词： essential boundary cohomotopy group K-group 46L80 47B35

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

Corneal endothelial cell density and morphology in Chinese patients with pseudoexfoliation syndrome

引用

International Journal of Ophthalmology(English edition) 2012年第2期5卷 186-189页

作者： Meng Wang, xiao-guang Dong Qingdao University Medical College Qingdao 266071 Shandong Province China State Key Laboratory Cultivation Base Shandong Provincial Key Laboratory of Ophthalmology Shandong Eye Institute Shandong Academy of medical Sciences Qingdao 266071 Shandong Province China.

AIM: To evaluate the corneal endothelial cell density and morphology in Chinese patients with pseudoexfoliation syndrome (PEX). METHODS: Medical records of 16 patients (20 eyes) with PEX who presented to our institution between July 2008 and June 2010 were retrospectively reviewed. Thirteen eyes had combined glaucoma. The information of five apparently normal fellow eyes in these patients was also recorded. Left eyes of 20 patients with bilateral senile cataracts but no other eye disease were included as controls. Specular microscopy was performed in all eyes to analyze for corneal endothelial cell density and morphology. Cell density, coefficient of variation in cell size, and percentage of hexagonal cells in corneal endothelium were evaluated. RESULTS: The mean corneal endothelial cell density in the PEX eyes was 2298+/- 239 cells/mm(2), significantly lower than that in the cataract eyes (2652+/- 18 cells/mm(2), P=0.026), but there were no significant differences in coefficient of variation of cell size and frequency of hexagonality between these two groups. No significant differences in the three parameters were found between the apparently normal fellow eyes and the PEX eyes or the cataract eyes, or between the PEX eyes with and without glaucoma. CONCLUSION: Corneal endothelial cell density may decrease in Chinese patients with PEX. The development of glaucoma in PEX eyes does not seem to be related with the change in corneal endothelial cell density or morphology.

关键词： corneal endothelial cell density pseudoexfoliation syndrome corneal morphology

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Effects of entecavir and lamivudine for hepatitis B decompensated cirrhosis: Meta-analysis

引用

World Journal of Gastroenterology 2013年第39期19卷 6665-6678页

作者： xiao-guang Ye Qi-Min Su Department of Infectious Diseases the SecondAffiliated Hospital of Guangzhou Medical University

AIM:To compare the effects of entecavir(ETV)and lamivudine(LAM)for the treatment of hepatitis B decompensated cirrhosis using a ***:We conducted a literature search for all eligible studies published prior to May 30,2013 using PUBMED,MEDLINE,EMBASE,the China National Knowledge Infrastructure(CNKI),the VIP database,the Wanfang database and the Cochrane Controlled Trial *** controlled trials(RCTs)comparing ETV with LAM for the treatment of hepatitis B decompensated cirrhosis were *** data were analyzed with Review Manager Software *** used RR as an effect measure,and reported its95%*** meta-analysis was performed using either a fixed-effect or random-effect model,based on the absence or presence of significant *** reviewers assessed the risk of bias and extracted data independently and in *** analysis was executed using the main outcome parameters including hepatitis B virus(HBV)DNA undetectability,HBV DNA level,hepatitis B e antigen(HBeAg)seroconversion,alanine aminotransferase(ALT)level,albumin level,total bilirubin(TBIL)level,prothrombin time activity(PTA)level,Child-Turcotte-Pugh(CTP)score,mortality,drugresistance,and adverse ***-analysis of the included trials and subgroup analyses were conducted to examine the association between pre-specified characteristics and the therapeutic effects of the two ***:Thirteen eligible trials(873 patients in total)were included and evaluated for methodological quality and *** these studies,all had baseline comparability,12 of them reported baseline values of the two treatment groups in *** various treatment durations(12,24,36,48 and>48 wk),both ETV and LAM significantly reduced HBV DNA level,however,reductions were greater in the ETV group(MD=-0.66,95%CI:-0.83-0.50,P<0.00001),(MD=-0.93,95%CI:-1.36-0.51,P<0.0001),(MD=-1.4,95%CI:-1.78-1.01,P<0.00001),(MD=-1.18,95%CI:-1.90-0.46,P=0.001),(MD=-0.14,95%CI:-0.17-0.

关键词： Hepatitis B Decompensated cirrhosis Entecavir Lamivudine Randomized controlled trial Metaanalysis.

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Influence of hot rolling on microstructure and mechanical characteristics of explosive-welded FSS/CS laminate

引用

Journal of Iron and Steel Research International 2018年第5期25卷 572-579页

作者： xiao-rong Yang Li-feng Ma guang-ming Liu guang-hui Zhao Zheng-yi Jiang Shanxi Provincial Key Laboratory of Metallurgical DeviceDesign Theory and Technology Taiyuan University ofScience and Technology Taiyuan 030024 Shanxi China School of Mechanical Materials and Mechatronic Engineering University of Wollongong Wollongong 2522Australia

The influence of hot rolling on the microstructure and subsequent mechanical characteristics of explosive-welded ferritic stainless steel （FSS）/carbon steel （CS） laminate was investigated. The results indicate that by hot rolling, decarburization layer disappears and a uniform structure is gained in CS side, but ferrite grains and carbides in constituent FSS form an uneven band microstructure which is denser at superficial zone than near the interface. The transmission electron microscopy results indicate that the layers adhering to the interface show typical deformed microstructure features, i.e., stream-like strips and elongated grains in FSS plates, carbide precipitates and bended cementite fragments in CS plates; and high-density dislocations in both plates, With hot rolling, various mechanical strengths and hardness are increased, while the elongation percentage is diminished. Examination of fractographs from tensile tests reveals predominately small dimples for explosive-welded specimens, whereas both big dimples and cleavage fracture for rolled specimens. Stereomicroscopic fractographs taken on shear samples indicate that the surfaces of explosive-welded specimens exhibit uniform deformation, but uneven deformation is displayed for that of rolled specimens. These results indicate that hot rolling is beneficial to improve the strength of explosive-welded FSS/CS laminate but not good for enhancing its plasticity.

关键词： Hot rolling · Composite steel plate · Interface ·Ferritic stainless steel ·Carbon steel

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

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：