检索结果-南通市图书馆

Temperature-dependent chloride-mediated access to atom-precise silver thiolate nanoclusters

在线全文

学校读者我要写书评

暂无评论

Science China Chemistry 2022年第6期65卷 1094-1099页

作者： Ling Yang xin-yao wang Xiao-Yan Tang Meng-Yi wang Chun-Yan Ni Hong Yu Ying-Lin Song Brendan F.Abrahams Jian-Ping Lang College of Chemistry Chemical Engineering and Materials ScienceSoochow UniversitySuzhou215123China School of Materials Engineering Changshu Institute of TechnologyChangshu215500China School of Physical Science and Technology Soochow UniversitySuzhou215006China School of Chemistry University of MelbourneParkvilleVictoria3010Australia

By using a unique temperature-dependent,chloride-mediated approach,two atom-precise silver nanoclusters[Cl@Ag_(14)(Tab)_(12)-(C_(5)H_(4)NCl)_(12)](PF_(6))_(13)(Cl@Ag_(14))and[Cl_(3)@Ag_(24)(Tab)_(20)(C_(5)H_(4)NCl)_(11)]Cl(PF_(6))_(20)(Cl_(3)@Ag_(24))(Tab=4-(trimethylammonio)benzenethiolate,C_(5)H_(4)NCl=3-chloropyridine)were obtained ***,the number of chloride ions encapsulated inside the Ag-S shell could be regulated by the slow dissolution of almost insoluble KCl at various *** inclusion of additional core chloride ions results in the expansion of the surrounding Ag-S *** article provides a promising synthetic approach for controlling the number of Ag atoms that form a shell around the anionic core,in addition to offering a potential pathway for the introduction of other inorganic anions into silver *** broadly,through the use of related ligands,the synthetic strategy offers scope for generating new families of silver thiolate clusters of varying size and composition.

关键词： temperature-dependent chloride-mediated core expansion silver thiolate nanocluster transformation

Solvent-driven reversible transformation between electrically neutral thiolate protected Ag_(25)and Ag_(26)clusters

在线全文

学校读者我要写书评

暂无评论

Science China Chemistry 2021年第6期64卷 948-952页

作者： Yu-Ling Tan Ling Yang Tian-Chen Yu Hong Yu xin-yao wang Ying-Lin Song Zheng Niu Jian-Ping Lang College of Chemistry Chemical Engineering and Materials ScienceSoochow UniversitySuzhou 215123China State Key Laboratory of Organometallic Chemistry Shanghai Institute of Organic ChemistryChinese Academy of SciencesShanghai 200032China School of Physical Science and Technology Soochow UniversitySuzhou 215006China

Two atom-precise silver nanoclusters[Ag_(25)Cl_2(Tab)_(14)(Ph COO)_(11)(DMF)_4](PF_6)_(12)(Ag_(25),DMF=N,N-dimethylformamide)and[Ag_(26)Cl_2(Tab)_(14)(Ph COO)_(13)(DMAc)_4](PF_6)_(11)(Ag_(26),DMAc=N,N-dimethylacetamide)were synthesized based on the electrically neutral thiolate protective ligand,4-(trimethylammonio)benzenethiolate(Tab).The weak Ag–S interaction in Tab-protected silver nanoclusters allows to insert or leave a single silver atom in the Ag–S skeleton through solvent-trigger core fragmentation and re-arrangement,thereby realizing the reversible conversion of Ag_(25)and Ag_(26)for the first time.

关键词： silver nanocluster electrically neutral thiolate reversible transformation

Centimeter-sized Ti-based bulk metallic glass with high specific strength

在线全文

学校读者我要写书评

暂无评论

Progress in Natural Science:Materials International 2012年第5期22卷 401-406页

作者： Pan Gong,Ke-Fu yao,xin wang,Yang Shao Department of Mechanical Engineering,Tsinghua University,Beijing 100084,China Department of Mechanical Engineering Tsinghua University Beijing 100084 China

Based on the quaternary Ti41Zr25Be29Al5 glassy alloy with a critical diameter of 7 mm reported not long ago,an obvious enhancement of glass-forming ability(GFA) has been realized in this alloy by the addition of Cu element.A series of(Ti41Zr25Be29Al5)100-xCux(x=0,2,5,7,9,11 at%) glassy alloys have been developed and some of them can be cast into one-centimeter diameter fully glassy rods by copper mold suction *** has been found that Cu addition could stabilize the liquid phase and suppress the crystallization,resulting in improvement of the GFA of the *** addition of Cu also increases the compressive strength of the alloy and the(Ti41Zr25Be29Al5)91Cu9 glassy alloy possesses a specific strength(defined as yield strength/density) of 4.13×105Nm/kg,which is much higher than most other reported centimeter-sized bulk metallic *** present result suggests that the newly developed(Ti41Zr25Be29Al5)91Cu9 glassy alloy is a good candidate for structural applications because of its good glass-forming ability and mechanical properties.

关键词： Metallic glasses Ti alloy Glass-forming ability Mechanical properties

Estimating the prevalence of schistosomiasis japonica in China:a serological approach

在线全文

同方期刊数据库

学校读者我要写书评

暂无评论

Infectious Diseases of Poverty 2018年第1期7卷 601-610页

作者： xin-yao wang Jing Xu Song Zhao Wei Li Jian-Feng Zhang Jian He Ashley M.Swing Kun Yang Jiangsu Institute of Parasitic Diseases Yangxiang117#MeiyuanWuxi 214064JiangsuChina Key Laboratory on Technology for Parasitic Disease Prevention and Control Ministry of HealthJiangsu Provincial Key Laboratory on the Molecular Biology of ParasitesYangxiang117#MeiyuanWuxi 214064JiangsuChina Public Health Research Center Jiangnan UniversityJiangsuShengChina National Institute of Parasitic Diseases Chinese Center for Disease Control and PreventionShanghaiChina

Background:The prevalence of schistosomiasis japonica has decreased significantly,and the responses changing from control to elimination in Jiangsu Province,*** to estimate the change in prevalence of schistosomiasis using only serological data will be important and ***:We collected serum samples from 2011 to 2015 to build a serum bank from Dantu County of Jiangsu,*** samples were detected by enzyme-linked immunosorbent assay(ELISA),the positive rate and optical density(OD)value were *** Bayesian model including the prior information of sensitivity and specificity of ELISA was established,and the estimated infection rates were obtained for different years,genders and age ***:There was no significant difference in the mean OD between different years and genders,but there was a significant difference between the different age *** were statistically significant differences in the positive rate for different years and age groups,but no significant difference at different *** estimated infection rate for the five years was 1.288,1.456,1.032,1.485 and 1.358%,*** was no significant difference between different years and between genders,but a significant difference between different age ***:The risk of schistosomiasis transmission in this area still exists,and risk monitoring of schistosomiasis should be strengthened.

关键词： Enzyme-linked immunosorbent assay(ELISA) Bayesian statistics Schistosomiasis japonica Sensitivity Specificity Estimated infection rate

Children with infectious pneumonia caused by Ralstonia insidiosa:A case report

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

World Journal of Clinical Cases 2023年第9期11卷 2002-2008页

作者： Shuang-Zhu Lin Mei-Jia Qian Yan-Wei wang Qian-Dui Chen Wan-Qi wang Jia-Yi Li Rui-Tong Yang xin-yao wang Chun-Yu Mu Kai Jiang Diagnosis and Treatment Center for Children Affiliated Hospital of Changchun University of Chinese MedicineChangchun 130021Jilin ProvinceChina Department of Imaging Affiliated Hospital of Changchun University of Chinese MedicineChangchun 130021Jilin ProvinceChina College of Integrated Chinese and Western Medicine Changchun University of Chinese MedicineChangchun 130117Jilin ProvinceChina College of Traditional Chinese Medicine Changchun University of Chinese MedicineChangchun 130117Jilin ProvinceChina

BACKGROUND Ralstonia is a Gram-negative non-fermentative bacterium widespread in nature,and includes four species,Ralstonia pickettii,Ralstonia solanacearum,Ralstonia mannitolilytica,and Ralstonia insidiosa,which were proposed in *** is mainly found in the external water environment,including municipal and medical water purification *** bacterium has low toxicity and is a conditional *** has been reported in recent years that infections due to Ralstonia are *** studies have shown that most cases of infection are caused by Ralstonia pickettii,a few by Ralstonia mannitolilytica,and infections caused by Ralstonia insidiosa are *** SUMMARY A 2-year-old Chinese child suffered from intermittent fever and cough for 20 d and was admitted to hospital with bronchial *** and alveolar lavage fluid culture confirmed Ralstonia insidiosa *** infection was well controlled after treatment with meropenem and *** Ralstonia infections are increasing,and we report a rare case of Ralstonia insidiosa infection in a *** should be vigilant about Ralstonia infections.

关键词： Children Infections Ralstonia insidiosa Pneumonia Treatment Case report

Salvage radical prostatectomy for radiorecurrent prostate cancer： the Chinese experience

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Chinese Medical Journal 2013年第23期126卷 4592-4593页

作者： GAO Xu wang Hai-feng FANG Zi-yu LU xin LI yao-ming wang Yan SUN Ying-hao Department of Urology Changhai Hospital Second Military University Shanghai 200433 China

For localized prostate cancer, radiation therapy （RT） is commonly used. However, in the first five years of RT, 10%-20% of localized prostate cancer patients, ano 30%-50% of the locally advanced prostate cancer patients will progress to biochemical recurrence. In the past, only few these patients considered salvage radical prostatectomy （SRP） as their primary selection due to the significant morbidity.

关键词： radiorecurrent prostate cancer salvage radical prostatectomy biochemical recurrence

A RAPID AND EFFECTIVE METHOD FOR THE DEACYLATION OF 1,4-DIACETYL-2,5-PIPERAZINEDIONE AND ITS DERIVATIVES

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Chinese Chemical Letters 1993年第8期4卷 687-688页

作者： Li xin wang yao Zeng SHI Zeng Ming DU Hong Wen HU Department of Chemistry,Nanjing University 210008,Nanjing

A concise while effective method for the deacylation of 1,4-diacetyl-2,5-piperazinedione and its derivatives is supplied.

关键词： PDO ITS

Bilevel Optimal Scheduling of Island Integrated Energy System Considering Multifactor Pricing

在线全文

学校读者我要写书评

暂无评论

Energy Engineering 2025年第1期122卷 349-378页

作者： xin Zhang Mingming yao Daiwen He Jihong Zhang Peihong Yang Xiaoming Zhang School of Automation and Electrical Engineering Inner Mongolia University of Science and TechnologyBaotou014010China

In this paper,a bilevel optimization model of an integrated energy operator(IEO)–load aggregator(LA)is constructed to address the coordinate optimization challenge of multiple stakeholder island integrated energy system(IIES).The upper level represents the integrated energy operator,and the lower level is the electricity-heatgas load *** to the benefit conflict between the upper and lower levels of the IIES,a dynamic pricing mechanism for coordinating the interests of the upper and lower levels is proposed,combined with factors such as the carbon emissions of the IIES,as well as the lower load interruption *** price of selling energy can be dynamically adjusted to the lower LA in the mechanism,according to the information on carbon emissions and load interruption *** benefits and win-win situations are achieved between the upper and lower ***,CPLEX is used to iteratively solve the bilevel optimization *** optimal solution is selected according to the joint optimal discrimination *** results indicate that the sourceload coordinate operation can reduce the upper and lower operation *** the proposed pricingmechanism,the carbon emissions and load interruption power of IEO-LA are reduced by 9.78%and 70.19%,respectively,and the capture power of the carbon capture equipment is improved by 36.24%.The validity of the proposed model and method is verified.

关键词： Bilevel optimal scheduling load aggregator integrated energy operator carbon emission dynamic pricing mechanism

The crystal structure and conformation of N-[2,2-dimethyl-3-(2-methylpropenyl)-cyclopropylcarbonyl]-5-methylisoxazolin-3-one

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Chinese Journal of Chemistry 1991年第4期9卷 305-309页

作者： XUE,Jie-You SHAO,Rui-Lian ZHU,You-Quan Department of Chemistry,Nankai University,Tianjin 300071yao,xin-Kan wang,Hong-Gen Central Laboratory,Nankai University,Tianjin 300071 Department of Chemistry Nankai University Tianjin 300071 Central Laboratory Nankai University Tianjin 300071

The title compound has been synthesized and its crystal structure was determined by X-ray crystallographic *** crystal is triclinic,space group P-1,with unit cell dimensions a=6.146 (5),b=8.473(6),c=14.383(5)(?);a=77.47(4),β=82.84(4),γ=69.00(8)°and Z=*** results obtained reveal that the molecule of the title compound keeps a long conjugative system in- volving C=C double bond,cyclopropane ring,carbonyl group and isoxazolinone ring and adopts a low energy conformation including s-trans of C=C double bond,s-cis of carbonyl group with respect to the three-membered ring and like-s-trans of carbonyl group with the carbonyl group within the heterocyclic moiety.

关键词： The crystal structure and conformation of N cyclopropylcarbonyl