检索结果-南通市图书馆

同方期刊数据库博看期刊评论

在线全文

学校读者我要写书评

暂无评论

温度对变压器油太赫兹光谱的影响

科学技术与工程 2024年第24期24卷 10159-10164页

作者：张梦林邱方程何运华李寒煜宋玉锋胡发平任冠华云南电网有限责任公司电力科学研究院昆明650217 华北电力大学机械工程系保定071003 华北电力大学数理系保定071003

利用太赫兹对电力用油进行现场检测时,通常难以避免温度对结果的影响。为探究温度对检测结果的影响规律,利用自制控温装置在-30~40℃的范围内,对变压器油,0.01 mol/L的甲醇、甲酸、糠醛溶液进行太赫兹检测。结果表明:随温度的升高样品... 详细信息

利用太赫兹对电力用油进行现场检测时,通常难以避免温度对结果的影响。为探究温度对检测结果的影响规律,利用自制控温装置在-30~40℃的范围内,对变压器油,0.01 mol/L的甲醇、甲酸、糠醛溶液进行太赫兹检测。结果表明:随温度的升高样品时域谱的峰值逐渐减小,峰值的时间延迟也逐渐减小。对应样品吸收系数逐渐增大,折射率逐渐减小。分别对1.2 THz处和0.2~1.6 THz范围内的吸收系数谱、折射率谱进行平均。并利用多项式对平均数据进行曲线拟合。使用油纸比为20∶1的人工老化样品对拟合曲线进行验证,拟合曲线可对不同温度下的太赫兹检测结果进行温度补偿,为太赫兹的现场应用提供了参考。

关键词：太赫兹变压器油温度吸收系数折射率

How Does Stacking Pressure Affect the Performance of Solid Electrolytes and All-Solid-State Lithium Metal Batteries?

在线全文

学校读者我要写书评

暂无评论

Energy & Environmental Materials 2024年第4期7卷 93-98页

作者： Junwu Sang Bin Tang Yong qiu Yongzheng fang Kecheng Pan Zhen Zhou Interdisciplinary Research Center for Sustainable Energy Science and Engineering (IRC4SE2) School of Chemical Engineering Zhengzhou University

All-solid-state lithium metal batteries (ASSLMBs) with solid electrolytes (SEs)have emerged as a promising alternative to liquid electrolyte-based Li-ion batteries due to their higher energy density and ***,since ASSLMBs lack the wetting properties of liquid electrolytes,they require stacking pressure to prevent contact loss between electrodes and SEs.

关键词： critical current density solid electrolyte solid-state lithium metal batteries stacking pressure

加速康复外科理念干预对胃肠肝胆手术患者希望水平的影响及对负面情绪的改善作用

在线全文

同方期刊数据库

学校读者我要写书评

暂无评论

四川解剖学杂志 2024年第2期32卷 107-109页

作者：张晶晶齐慧韩凤珠赵杰孙秋芳商丘市第一人民医院胃肠肝胆外科商丘476100 商丘市第一人民医院外科商丘476100 商丘市第一人民医院手术部商丘476100

目的:探讨加速康复外科理念(ERAS)干预在胃肠肝胆手术患者中的应用效果.方法:选取2021年1月至12月本院进行胃肠肝胆手术患者500例作为研究对象.采用随机抽签法将其分为观察组(n=250,采取常规干预措施联合ERAS干预措施)和对照组(n=250,... 详细信息

目的:探讨加速康复外科理念(ERAS)干预在胃肠肝胆手术患者中的应用效果.方法:选取2021年1月至12月本院进行胃肠肝胆手术患者500例作为研究对象.采用随机抽签法将其分为观察组(n=250,采取常规干预措施联合ERAS干预措施)和对照组(n=250,仅采取常规干预措施).采用统计学分析方法,比较两组患者希望水平、负面情绪及疼痛情况.结果:干预前,两组患者Herth希望量表(HHI)、简明心境量表(POMS)各项评分,视觉模拟评分法(VAS)评分等比较,差异均无统计学意义(P>0.05).干预后,观察组患者HHI与POMS各项评分高于对照组,差异均有统计学意义(P<0.05);观察组患者VAS评分低于对照组,差异亦有统计学意义(P<0.05).结论:ERAS干预,有助于提升胃肠肝胆手术患者的希望水平,改善负面情绪,减轻疼痛,效果良好.

关键词：康复护理加速康复外科胃肠肝胆手术希望水平负面情绪

The MEKK1-MKK1/2-MPK4 cascade phosphorylates and stabilizes STOP1 to confer aluminum resistance in Arabidopsis

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

Molecular Plant 2023年第2期16卷 337-353页

作者： fanglin Zhou Somesh Singh Jie Zhang qiu fang Chongyang Li Jiawen Wang Chunzhao Zhao Pengcheng Wang Chao-Feng Huang National Key Laboratory of Plant Molecular Genetics Shanghai Center for Plant Stress BiologyCAS Center for Excellence in Molecular Plant SciencesShanghai Institute of Plant Physiology and EcologyChinese Academy of SciencesShanghai 200032China University of the Chinese Academy of Sciences Beijing 100049Cnina

Aluminum(Al)toxicity can seriously restrict crop production on acidic soils,which comprise 40%of the world’s potentially arable *** zinc finger transcription factor STOP1 has a conserved and essential function in mediating plant Al *** stress induces STOP1 accumulation via post-transcriptional regulatory ***,the upstream signaling pathway involved in Al-triggered STOP1 accumulation remains ***,we report that the MEKK1-MKK1/2-MPK4 cascade positively regulates STOP1 phosphorylation and *** of MEKK1,MKK1/2,or MPK4 lead to decreased STOP1 stability and Al *** stress induces the kinase activity of MPK4,which interacts with and phosphorylates *** phosphorylation of STOP1 reduces its interaction with the F-box protein RAE1 that mediates STOP1 degradation,thereby leading to enhanced STOP1 stability and Al *** together,our results suggest that the MEKK1-MKK1/2-MPK4 cascade is important for Al signaling and confers Al resistance through phosphorylation-mediated enhancement of STOP1 accumulation in Arabidopsis.

关键词： aluminum resistance Arabidopsis thaliana MAPK cascade MPK4 STOP1 phosphorylation STOP1 stability

Direct amination of benzene to aniline with several typical vanadium complexes

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

Chinese Chemical Letters 2009年第2期20卷 238-240页

作者： Yu Fen Lü Liang fang Zhu qiu Yuan Liu Bin Guo Xiao Ke Hu Chang Wei Hu Key Laboratory of Green Chemistry and Technology (Sichuan University) Ministry of Education College of Chemistry Sichuan University Chengdu 610064 PR China

The liquid-phase direct catalytic amination of benzene to aniline was performed in acetic acid water solvent using a series of vanadium （Ⅲ, Ⅳ,Ⅴ） complexes with N,O- or O,O-ligands as catalysts and hydroxylamine hydrochloride as the aminating agent. The vanadium complexes exhibited much higher selectivity towards the production of aniline than NaVO3 or VOSO4. Under the optimized conditions, an aniline yield of 42.5% and a TON of 48 with a high selectivity of above 99.9% was obtained using 0.2 mmol of [VO（OAc）2] as the catalyst.

关键词： Amination Benzene Hydroxylamine Vanadium complexes

体外膜肺氧合治疗患者输血后的凝血功能及免疫功能临床研究

在线全文

学校读者我要写书评

暂无评论

临床血液学杂志 2024年第2期37卷 81-84页

作者：陈瑜钟英莲施星田燕霞鲁玉凤邱芳赣南医学院第一附属医院输血科江西赣州341000 赣州市第五人民医院输血科赣南医学院第一附属医院重症监护室

目的:探讨输血治疗对体外膜肺氧合(extracorporeal membrane oxygenation, ECMO)患者凝血功能及免疫功能的影响。方法:选取医院2020年2月—2022年2月进行过ECMO治疗和输血治疗的患者56例,比较输血前后患者电解质、凝血功能、体液免疫和... 详细信息

目的:探讨输血治疗对体外膜肺氧合(extracorporeal membrane oxygenation, ECMO)患者凝血功能及免疫功能的影响。方法:选取医院2020年2月—2022年2月进行过ECMO治疗和输血治疗的患者56例,比较输血前后患者电解质、凝血功能、体液免疫和细胞免疫等各项指标的变化。结果:ECMO患者输血后血K^(+)、血Na^(+)水平均有所降低,且血K^(+)水平差异有统计学意义(P0.05);凝血相关检测指标中活化部分凝血活酶时间、凝血酶原时间、凝血酶时间均升高,而纤维蛋白原有所降低,且差异均有统计学意义(P<0.05);血小板计数下降,差异有统计学意义;血清免疫球蛋白IgA、IgG、IgM水平、NK细胞计数、CD4^(+)含量、CD4^(+)/CD8^(+)比值均降低,CD8^(+)含量升高,差异均有统计学意义(P<0.05)。结论:ECMO患者输血后会出现电解质、凝血功能以及免疫功能指标异常,临床中应高度重视ECMO患者血液管理,减少异体血液的输注及输血不良反应,提高输血疗效,保障患者安全。

关键词：体外膜肺氧合输血凝血功能免疫功能

A Selective TRPC3 Inhibitor Pyr3 Attenuates Myocardial Ischemia/Reperfusion Injury in Mice

在线全文

学校读者我要写书评

暂无评论

Current Medical Science 2020年第6期40卷 1107-1113页

作者： Min LU Xiao-xia fang Dan-dan SHI Rui LIU Yan DING qiu-fang ZHANG Han-qin WANG Jun-ming TANG Xi-ju HE Hubei Key Laboratory of Embryonic Stem Cell Research Hubei University of MedicineShiyan 442000China Department of Neurology Taihe HospitalHubei University of MedicineShiyan 442000China Department of Ultrasound Taihe HospitalHubei University of MedicineShiyan 442000China

An emerging body of evidence indicates that transient receptor potential TRP channels act as important mediators for a wide variety of physiological functions and are potential targets for drug *** previous study has identified transient receptor potential channel 3(TRPC3)and TRPC6 as cation channels through which most of the damaging calcium enters,aggravates pathological changes in vivo and increases ischemia/reperfusion(I/R)injury in *** study aimed to verify the effects of TRPC3 inhibitor Pyr3 on myocardial I/R injury in mice.C57BL/6J wild-type male mice(8 to 12 weeks old)were anesthetized with 3.3%chloral hydrate.A murine I(30 min)/R(24 h)injury model was established by temporary occlusion of the left anterior descending(LAD)coronary ***3 was administered at concentrations of 0,2.5,5,or 10 mg/kg via the right jugular vein 5 min before *** observed that the selective TRPC3 inhibitor,10 mg/kg Pyr3,significantly decreased the infarct size of left ventricle,and reduced the myocardial cell apoptosis rate and inflammatory response in *** a conclusion,TRPC3 can function as a candidate target for I/R injury prevention,and Pyr3 may directly bind to TRPC3 channel protein,inhibit TRPC3 channel activity,and improve TRPC3-related myocardial I/R ***3 may be used for clarification of TRPC3 functions and for treatments of TRPC3-mediated diseases.

关键词： ischemia/reperfusion injury TRPC3 Pyr3 apoptosis

On the translation of communication language on the Internet

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

校园英语 2017年第7期 225-226页

作者： fang qiu Hubei Engineering University

With the rapid development of the Internet and online social media,there have been increasingly more network communication *** paper will make an exploration of the Chinese–English translation of the present catchwords on the internet,enabling the target language readers to have a better understanding of the Chinese network communication language.

关键词： Internet communication language translation

Intramammary expression and therapeutic effect of a human lysozyme-expressing vector for treating bovine mastitis

在线全文

同方期刊数据库

学校读者我要写书评

暂无评论

Journal of Zhejiang University-Science B(Biomedicine & Biotechnology) 2006年第4期7卷 324-330页

作者： SUN Huai-chang XUE fang-ming QIAN Ke fang Hao-xia qiu Hua-lei ZHANG Xin-yu YIN Zhao-hua School of Veterinary Medicine Yangzhou University Yangzhou 225009 China

To develop a gene therapy strategy for treating bovine mastitis, a new mammary-specific vector containing human lysozyme (hLYZ) cDNA and kanamycin resistance gene was constructed for intramammary expression and clinical studies. After one time acupuncture or intracisternal infusion of healthy cows with 400 μg of the p215C3LYZ vector, over 2.0 μg/ml of rhLYZ could be detected by enzymatic assay for about 3 weeks in the milk samples. Western blotting showed that rhLYZ secreted into milk samples from the vector-injected cows had molecular weight similar to that of the natural hLYZ in human colostrums. Twenty days after the primary injection, the quarters were re-injected with the same vector by quarter acupuncture and even higher concentrations of rhLYZ could be detected. Indirect competitive ELISA of milk samples showed that the vector injection did not induce detectable humoral immune response against hLYZ. Clinical studies showed that twice acupuncture of quarters with the p215C3LYZ vector had overt therapeutic effect on clinical and subclinical mastitis previously treated with antibiotics, including disappearance of clinical symptoms and relatively high microbiological cure rates. These data provide a solid rationale for using the vector to develop gene therapy for treating bovine mastitis.

关键词： Human lysozyme cDNA Mammary-specific vector Expression Mastitis Gene therapy