检索结果-南通市图书馆

Ti_(3)C_(2)T_(x)MXene wrapped,carbon-coated porous Si sheets for improved lithium storage performance

Chinese Chemical Letters 2024年第2期35卷 617-621页

作者： hui Cheng Yueming Liu Zhongling Cheng Xianying Wang Na huang Haijiao Zhang Institute of Nanochemistry and Nanobiology School of Environmental and Chemical EngineeringShanghai UniversityShanghai 200444China Shanghai Key Laboratory of Green Chemistry and Chemical Processes School of Chemistry and Molecular EngineeringEast China Normal UniversityShanghai 200062China Energy Materials Research Center AG Hydrogen Materials & Devices CAS Key Laboratory of Materials for Energy ConversionShanghai Institute of CeramicsChinese Academy of Sciences (SICCAS)Shanghai 200050China

Si-based materials have shown great potential as lithium-ion batteries(LIBs)anodes due to their natural reserves and high theoretical ***,the large volume changes during cycles and poor conductivity of Si lead to rapid capacity decay and poor cycling stability,ultimately limiting their commercial ***,we have skillfully utilized the microporous MCM-22 zeolite as the unique silicon source to produce porous Si(pSi)sheets by a simple magnesiothermic reduction,followed by a carbon coating and further Ti_(3)C_(2)T_(x)MXene assembly,obtaining the ternary pSi@NC@TNSs *** the design,porous Si sheets provide more active sites and shorten Li-ion transport paths for electrochemical *** N-doped carbon(NC)layer serves as a bonding layer to couple pSi and Ti_(3)C_(2)T_(x).The conductive network formed by 2D Ti_(3)C_(2)T_(x)and medium NC layer effectively enhances the overall charge transport of the electrode material,and helps to stabilize the electrode ***,the as-made pSi@NC@TNSs anode delivers an improved lithium storage performance,exhibiting a high reversible capacity of 925 mAh/g at 0.5 A/g after 100 *** present strategy provides an effective way towards high-performance Si-based anodes for LIBs.

关键词： Si anodes Ti_(3)C_(2)Ti_(x)MXene Porous structure Interfacial assembly Lithium-ion batteries

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

Preparation of norovirus GII loop mediated isothermal amplification freeze-drying microsphere reagents and its application in an on-site integrated rapid detection platform

引用

Chinese Chemical Letters 2024年第9期35卷 262-265页

作者： Yanqi Wu Yuhong Guan Peilin huang hui Chen Liping Bai Zhihong Jiang State Key Laboratory of Quality Research in Chinese Medicine Macao University of Science and TechnologyMacao 999078China Shenzhen LemnisCare Medical Technology Co. Ltd.Shenzhen 518107China Hunan Key Laboratory of Biomedical Nanomaterials and Devices Hunan University of TechnologyZhuzhou 412077China

Norovirus is an infectious disease that can cause non-bacterial gastroenteritis,which has a low infectious dose,rapid onset,and strong transmission ability;therefore,rapid and sensitive detection is essential to reduce the transmission of *** the study,a norovirus GII loop-mediated isothermal amplification assay was developed and prepared into freeze-drying microspheres,and a closed-cassette-based,integrated,reagent-ambient storage,on-site instant detection platform for norovirus GII was constructed using a commercial,fully automated nucleic acid analyzer with integrated magnetic bearing based nuclear acid extraction and nucleic acid detection,with a sensitivity of 10 copies/μL,with no cross-reactivity with other 5 *** 28 simulated samples,the integrated assay platform was consistent with the experimental results of reverse transcription-quantitative polymerase chain reaction(RT-qPCR)assays after conventional laboratory nucleic acid *** entire process can be finished in about 1 h,which is ideal for immediate rapid detection.

关键词： Freeze-dried microspheres Point-of-care testing Loop-mediated isothermal amplification Norovirus GII Integrated testing

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

近40年我国暴雨的年代际变化特征

引用

大气科学 2006年第6期30卷 1057-1067页

作者：鲍名黄荣辉中国科学院大气物理研究所季风系统研究中心北京100080

利用1961-2000年全国610个测站逐日降水资料和暴雨定义，分析我国近40年暴雨发生频率的年代际时空变化特征。分析结果表明，我国夏季暴雨多发生在长江中下游、华南、四川中东部、黄淮地区和华北东部，夏季暴雨发生频率具有明显的年代际... 详细信息

利用1961-2000年全国610个测站逐日降水资料和暴雨定义，分析我国近40年暴雨发生频率的年代际时空变化特征。分析结果表明，我国夏季暴雨多发生在长江中下游、华南、四川中东部、黄淮地区和华北东部，夏季暴雨发生频率具有明显的年代际变化，且各地区暴雨的年代际变化有一定差异。分析结果还表明，我国东部季风区夏季暴雨与洪涝的关系非常密切，特别是90年代江淮流域暴雨对洪涝的贡献明显增大。作者还初步讨论了夏季暴雨发生频率年代际变化的气候背景，指出：70年代末开始的华北暴雨减少可能与赤道中、东太平洋海表面温度的年代际变化有关，而90年代长江以南暴雨增多则可能与热带西太平洋偏东方向热对流的年代际变化有关。

关键词：暴雨年代际变化季风海表面温度

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

Monomeric and self-assembled crystal phases of TNBT

引用

Rare Metals 2024年第10期43卷 5442-5448页

作者： Yun-hui Wu Hua-Bei You Wei-Kai Cui Zhi-Qian Cao Xiao Dong Zi-hui Meng Ming huang School of Chemistry and Chemical Engineering Beijing Institute of Technology Institute of Chemical Materials China Academy of Engineering Physics

（3,3′,5,5′-Tetranitro-4,4′-bi-1,2,4-Triazole） TNBT was designed and predicted more than three decades ago as a high energy *** with many other designed molecules,TNBT has not been successfully synthesized and has not been computationally studied in *** this work,theoretical calculations at density functional theory （DFT）level of theory were carried out for both the gas phase molecule and its possible bulk crystal *** （DFT） computations show that TNBT is comparable to CL-20 with high bulk density,

关键词： Density functional theory

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

Haploinsufficiency of Lipin3 leads to hypertriglyceridemia and obesity by disrupting the expression and nucleocytoplasmic localization of Lipin1

引用

Frontiers of Medicine 2024年第1期18卷 180-191页

作者： Fang Wang Yuxing Liu Yi Dong Meifang Zhao Hao huang Jieyuan Jin Liangliang Fan rong Xiang Department of Endocrinology The Third Xiangya Hospital of Central South UniversityChangsha410013China Department of Cellular Biology School of Life SciencesKey Laboratory of Pediatric Rare DiseasesMinistry of EducationCentral South UniversityChangsha410013China

Lipin proteins including Lipin 1–3 act as transcriptional co-activators and phosphatidic acid phosphohydrolase enzymes,which play crucial roles in lipid ***,little is known about the function of Lipin3 in triglyceride(TG)***,we identified a novel mutation(NM_001301860:p.1835A>T/p.D612V)of Lipin3 in a large family with hypertriglyceridemia(HTG)and obesity through whole-exome sequencing and Sanger *** studies revealed that the novel variant altered the half-life and stability of the Lipin3 ***,we generated Lipin3 heterozygous knockout(Lipin3-heKO)mice and cultured primary hepatocytes to explore the pathophysiological roles of Lipin3 in TG *** found that Lipin3-heKO mice exhibited obvious obesity,HTG,and non-alcoholic fatty liver *** study demonstrated that the haploinsufficiency of Lipin3 in primary hepatocytes may induce the overexpression and abnormal distribution of Lipin1 in cytosol and *** increased expression of Lipin1 in cytosol may contribute to TG anabolism,and the decreased Lipin1 in nucleoplasm can reduce PGC1α,further leading to mitochondrial dysfunction and reduced TG *** study suggested that Lipin3 was a novel disease-causing gene inducing obesity and *** also established a relationship between Lipin3 and mitochondrial dysfunction.

关键词： Lipin3 Lipin1 hypertriglyceridemia obesity mitochondrial dysfunction

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

混凝土泵车臂架可靠度分析

引用

机械设计与制造 2021年第9期 42-46,50页

作者：黄会荣张希西安建筑科技大学机电工程学院陕西西安710055

利用APDL语言建立了臂架的参数化模型,在置信水平95%的条件下应用PDS模块对混凝土泵车臂架进行了结构可靠度分析。执行循环1000次蒙特卡罗法计算,得到了臂架位移与应力的累积分布函数。进一步进行灵敏度求解,获得了影响臂架位移与应力... 详细信息

利用APDL语言建立了臂架的参数化模型,在置信水平95%的条件下应用PDS模块对混凝土泵车臂架进行了结构可靠度分析。执行循环1000次蒙特卡罗法计算,得到了臂架位移与应力的累积分布函数。进一步进行灵敏度求解,获得了影响臂架位移与应力的设计参数,得出了臂架长度与臂架宽度是两个主要的影响参数。使用响应面法分析,得到了两组关联参数影响臂架位移与应力变化的曲面。分析结果表明,两种方法求出的臂架位移值与应力值,其相对误差在5%以内。

关键词： PDS模块混凝土泵车臂架位移与应力灵敏度可靠度

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

GCGR:novel potential therapeutic target for chronic kidney disease

引用

Science China(Life Sciences) 2024年第7期67卷 1542-1544页

作者： Yan Hu Hao huang rong Xiang Key Laboratory of Birth Defects and Related Diseases of Women and Children of MOE State Key Laboratory of BiotherapyWest China Second University HospitalSichuan UniversityChengdu 610041China Department of Nephrology Xiangya Hospital Central South UniversityChangsha 410008China Department of Cell Biology School of Life SciencesCentral South UniversityChangsha 410013China National Clinical Research Center for Geriatric Disorders Xiangya HospitalCentral South UniversityChangsha 410008China Hunan Key Laboratory of Organ Fibrosis Central South UniversityChangsha 410013China

The kidney,a central regulator of systemic homeostasis essential for human health,plays a vital role in various metabolic pathways,including fatty acid metabolism,gluconeogenesis,glycolysis,and mitochondrial *** kidney disease(CKD)manifests as a progressive decline in renal function,marked by reduced glomerular filtration rate(GFR)or persistent kidney damage persisting for more than three months.

关键词： kidney metabolism homeostasis

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

Structural effects of sulfonamides on the proliferation dynamics of sulfonamide resistance genes in the sequencing batch reactors and the mechanism

引用

Journal of Environmental Sciences 2024年第1期135卷 161-173页

作者： Ligui Wu Mingyu Wang Lingling rong Wenbiao Wang Linwei Chen Qiaofeng Wu Haoyu Sun Xiangfeng huang Xiaoming Zou College of Environmental Science and Engineering Tongji UniversityShanghai 200092China School of Life Science Jinggangshan UniversityJi’an 343009China Key Laboratory of Organic Compound Pollution Control Engineering(MOE) School of Environmental and Chemical EngineeringShanghai UniversityShanghai 200444China Fuzhou Urban and Rural Construction Group Co.Ltd. Fuzhou 350007China

Antibiotic resistance genes(ARGs)can be easily promoted by antibiotics,however,the structural effects of antibiotics on the proliferation of ARGs dynamic and the associated mechanisms remain obscure in,especially,activated sludge sequencing batch *** the present study,the effects of 9 sulfonamides(SAs)with different structures on the proliferation dynamic of sulfonamide resistance genes(Suls)in the activated sludge sequencing batch reactors and the corresponding mechanisms were determined(30 days),and the results showed that the largest proliferation value(ΔA^(R))of Suls dynamic for SAs(sulfachloropyridazine)was approximately 2.9 times than that of the smallest one(sulfadiazine).The proliferation of Suls was significantly related to the structural features(minHBint6,SssNH,SHBd and SpMax2_Bhm)that represent the biological activity of *** interpret the phenomenon,a mechanistic model was developed and the results indicated that the biodegradation of SAs(T_(1/2))rather than conjugative transfer frequency or mutation frequency tends to be the key process for affecting Suls proliferation.T_(1/2)was proved to be dependent on the interactions between SAs and receptors(E_(binding)),the cleavage mode(bond dissociation energy),and the site of nucleophilic ***,the metagenomic analysis showed that SAs posed significant effect on antibiotic resistome and Tnp31 played a vital role in the proliferation of ***,our findings provide important insight into a theoretical basis for understanding the structural effects of SAs on the proliferation of ARGs in SBR systems.

关键词： Activated sludge Sulfonamides Suls Proliferation Mechanism

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

Development and validation of a new prognostic model for patients with acute-on-chronic liver failure in intensive care unit

引用

World Journal of Gastroenterology 2024年第20期30卷 2657-2676页

作者： Zong-Yi Zhu Xiu-Hong huang hui-Qing Jiang Li Liu Department of Gastroenterology The Second Hospital of Hebei Medical UniversityShijiazhuang 050000Hebei ProvinceChina Department of Gastroenterology Weixian People's HospitalXingtai 054700Hebei ProvinceChina

BACKGROUND Cirrhotic patients with acute-on-chronic liver failure(ACLF)in the intensive care unit(ICU)have a poor but variable *** prognosis evaluation can guide the rational management of patients with ***,existing prognostic scores for ACLF in the ICU environment lack sufficient *** To develop a new prognostic model for patients with ACLF in *** Data from 938 ACLF patients in the Medical Information Mart for Intensive Care(MIMIC)database were used to develop a new prognostic model(MIMIC ACLF)for ***,calibration and clinical utility of MIMIC ACLF were assessed by area under receiver operating characteristic curve(AUROC),calibration curve and decision curve analysis(DCA),*** ACLF was then externally validated in a multiple-center cohort,the Electronic Intensive Care Collaborative Research Database and a single-center cohort from the Second Hospital of Hebei Medical University in *** The MIMIC ACLF score was determined using nine variables:ln(age)×2.2+ln(white blood cell count)×0.22-ln(mean arterial pressure)×2.7+respiratory failure×0.6+renal failure×0.51+cerebral failure×0.31+ln(total bilirubin)×0.44+ln(internationalized normal ratio)×0.59+ln(serum potassium)×*** MIMIC cohort,the AUROC(0.81/0.79)for MIMIC ACLF for 28/90-day ACLF mortality were significantly greater than those of Chronic Liver Failure Consortium ACLF(0.76/0.74),Model for End-stage Liver Disease(MELD;0.73/0.71)and MELD-Na(0.72/0.70)(all P<0.001).The consistency between actual and predicted 28/90-day survival rates of patients according to MIMIC ACLF score was excellent and superior to that of existing *** net benefit of MIMIC ACLF was greater than that achieved using existing scores within the 50%threshold *** superior predictive accuracy and clinical utility of MIMIC ACLF were validated in the external *** We developed and validated a new prognostic model with satisfactory accuracy

关键词： Acute-on-chronic liver failure Cirrhosis Risk stratification Prognosis Model Scores

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

High‑Entropy Layered Oxide Cathode Enabling High‑Rate for Solid‑State Sodium‑Ion Batteries

引用

Nano-Micro Letters 2024年第1期16卷 160-171页

作者： Tianxun Cai Mingzhi Cai Jinxiao Mu Siwei Zhao hui Bi Wei Zhao Wujie Dong Fuqiang huang State Key Laboratory of High Performance Ceramics and Superfine Microstructure Shanghai Institute of CeramicsChinese Academy of SciencesShanghai 200050People’s Republic of China State Key Laboratory of Rare Earth Materials Chemistry and Applications College of Chemistry and Molecular EngineeringPeking UniversityBeijing 100871People’s Republic of China Center of Materials Science and Optoelectronics Engineering University of Chinese Academy of SciencesBeijing 100049People’s Republic of China Zhongke Institute of Strategic Emerging Materials Yixing 214213JiangsuPeople’s Republic of China

Na-ion O3-type layered oxides are prospective cathodes for Na-ion batteries due to high energy density and ***,such cathodes usually suffer from phase transitions,sluggish kinetics and air instability,making it difficult to achieve high performance solid-state sodium-ion ***,the high-entropy design and Li doping strategy alleviate lattice stress and enhance ionic conductivity,achieving high-rate performance,air stability and electrochemically thermal stability for Na_(0.95)Li_(0.06)Ni_(0.25)Cu_(0.05)Fe_(0.15)Mn_(0.49)O_(2).This cathode delivers a high reversible capacity(141 mAh g^(−1)at 0.2C),excellent rate capability(111 mAh g^(−1)at 8C,85 mAh g^(−1)even at 20C),and long-term stability(over 85%capacity retention after 1000 cycles),which is attributed to a rapid and reversible O3–P3 phase transition in regions of low voltage and suppresses phase ***,the compound remains unchanged over seven days and keeps thermal stability until 279℃.Remarkably,the polymer solid-state sodium battery assembled by this cathode provides a capacity of 92 mAh g^(−1)at 5C and keeps retention of 96%after 400 *** strategy inspires more rational designs and could be applied to a series of O3 cathodes to improve the performance of solid-state Na-ion batteries.

关键词： High-entropy High-rate performance Li-TM interaction Air stability O3 layered oxide cathode

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：