检索结果-南通市图书馆

Correlation analysis of national elite Chinese male table tennis players’ shoulder proprioception and muscle strength

引用

World Journal of Clinical Cases 2022年第24期10卷 8514-8524页

作者： Xue-Dong Shang en-Ming zhang Zhen-Lei Chen Lei zhang Jing-Hua Qian Institute of Sport Medicine National Research Institute of Sports MedicineBeijing 100061China School of Sports Medicine and Rehabilitation Beijing Sport UniversityBeijing 100084China School of Physical Education Hubei University of EducationWuhan 430205Hubei ProvinceChina Graduate School Shandong Sport UniversityJinan 250102Shandong ProvinceChina

BACKGROUND Shoulder is the most injured part in table tennis players,and it takes multiple roles in transmitting power and striking the center of the ball during the *** is strongly correlated with high level of athletic *** is customary to assume that there is a correlation between proprioception and muscle strength and therefore proprioceptive assessment and rehabilitation is often *** To investigate the correlation between isokinetic muscle strength and proprioception in the internal and external rotation muscle groups of elite Chinese male table tennis players,to provide reference for physical training and rehabilitation of elite table tennis *** A total of 19 national elite table tennis players from the Chinese National Table Tennis Team were recruited in this *** of them had more than 10 years training experience and had participated major competitions such as the National Games and World Youth *** 2000 was used to test the peak torque of internal and external rotation isokinetic concentric contraction of the athletes'bilateral shoulder joints at low speed(60°/s)and high speed(180°/s)respectively;IsoMed 2000 was used to conduct the Joint Position Reproduction test to evaluate the athletes'proprioceptive ability capacity at low speed(60°/s)and high speed(180°/s)*** the data satisfied the normal distribution,the correlation between the differences in peak torque s and angles in different directions was analyzed using a Pearson simple linear model;otherwise,Spearman correlation analysis was *** comparison of proprioceptive ability between the table tennis racket-holding hand and non-racket-holding hands was performed using independent samples t-test if the data satisfied a normal distribution;otherwise,the Mann-Whitney U test was *** There was no direct linear correlation between the strength and proprioceptive correlation analysis at slow speed(60°/s)and fast s

关键词： Elite table tennis player Shoulder Proprioception Muscle strength Correlation analysis

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

A switch-on molecular biosensor for detection of caspase-3 and imaging of apoptosis of cells

引用

Science China(Life Sciences) 2022年第3期65卷 540-549页

作者： Rui Gong Dianbing Wang Ghulam Abbas Shimin Li Qian Liu Mengmeng Cui Xian-en zhang National Laboratory of Biomacromolecules CAS Center for Excellence in BiomacromoleculesInstitute of BiophysicsChinese Academy of SciencesBeijing 100101China University of Chinese Academy of Sciences Beijing 100049China Faculty of Synthetic Biology Shenzhen Institute of Advanced TechnologyChinese Academy of SciencesShenzhen 518055China

Apoptosis is a form of programmed cell death that is essential for maintaining internal environmental *** apoptosis can cause a variety of diseases;therefore,sensing apoptosis can provide help in study of mechanism of the relevant diseases and drug *** is known that caspase-3 is a key enzyme involved in apoptosis and the expression of its activity is an indication of ***,we present a genetically encoded switch-on m Neon Green2-based molecular biosensor.m Neon Green2 is the brightest monomeric green fluorescent *** substrate of caspase-3,DEVD amino acid residues,is inserted in it,while cyclized by insertion of Nostoc punctiforme Dna E intein to abolish the fluorescence(inactive state).Caspase-3-catalyzed cleavage of DEVD linearizes m Neon Green2 and rebuilds the natural barrel structure to restore the fluorescence(activated state).The characterization exhibited that the Caspase-3 biosensor has shortened response time,higher sensitivity,and prolonged functional shelf life in detection of caspase-3 amongst the existing *** also used the Caspase-3 biosensor to evaluate the effect of several drugs on the induction of apoptosis of He La and MCF-7 tumor cells and inhibition of Zika virus invasion.

关键词： apoptosis caspase-3 molecular biosensor molecular imaging Zika virus

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

A Steganography Model Data Protection Method Based on Scrambling encryption

引用

Computers, Materials & Continua 2022年第9期72卷 5363-5375页

作者： Xintao Duan Zhiqiang Shao Wenxin Wang en zhang Dongli Yue Chuan Qin Haewoon Nam Henan Normal University Xinxiang453007China University of Shanghai for Science and Technology Shanghai200093China Hanyang University Ansan15588Korea

At present,the image steganography method based on CNN has achieved good *** trained model and its parameters are of great *** leaked,the secret image will be *** protect the security of steganographic network model parameters in the transmission process,an idea based on network model parameter scrambling is proposed in this ***,the sender trains the steganography network and extraction network,encrypts the extraction network parameters with the key shared by the sender and the receiver,then sends the extraction network and parameters to the receiver through the public channel,and the receiver recovers them with the key after receiving,to achieve more secure secret *** this way,even if the network parameters are intercepted by a third party in the transmission process,the interceptor cannot extract the real secret *** this paper,the classical Joseph algorithm is used as the scrambling algorithm to scramble the extracted network model parameters of the StegoPNet steganography *** experimental results show that when the scrambled parameters are used for secret image extraction,a meaningless image independent of the secret image is extracted,it shows that this method can well protect the security of steganography network *** the same time,this method also has good scalability,and can use a variety of different scrambling algorithms to scramble the parameters.

关键词： Information hiding steganography DCNN joseph scrambling

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

Immunogenicity of mucosal COVID-19 vaccine candidates based on the highly attenuated vesicular stomatitis virus vector(VSV_(MT))in golden syrian hamster

引用

Acta Pharmaceutica Sinica B 2023年第12期13卷 4856-4874页

作者： Yong Ke en zhang Jianming Guo Xiaoxiao zhang Lei Wang Duo Chen Xinkui Fang Jianwei Zhu Feng Li Tao Sun Baohong zhang engineering Research Center of Cell&Therapeutic Antibody Ministry of EducationSchool of PharmacyShanghai Jiao Tong UniversityShanghai 200240China School of Agriculture and Biology Shanghai Jiao Tong UniversityShanghai 200240China Shanghai Municipal Veterinary Key Laboratory Shanghai 200240China Shanghai Public Health Clinical Center Fudan UniveristyShanghai 201508China

COVID-19 is caused by coronavirus *** systemic vaccines generally pro-vide limited protection against viral replication and shedding within the *** VSV(rVSV)is an effective vector which inducing potent and comprehensive ***,there are two clinical trials investigating COVID-19vaccines based on VSV *** vaccines were developed with spike protein of WA1 which administrated *** intranasal route is ideal for activating mucosal immunity with VSV vector,safety is of ***,a highly attenuated rVSV with three amino acids mutations in matrix protein(VSV_(MT))was developed to construct safe mucosal vaccines against multiple SARS-CoV-2 variants of *** demonstrated that spike protein mutant lacking 21 amino acids in its cytoplasmic domain could rescue rVSV ***_(MT) indicated improved safeness compared with wild-type VSV as the vector encoding SARS-CoV-2 spike *** a single-dosed intranasal inoculation of rVSV_(ΔGMT)-S_(Δ21),potent SARS-CoV-2specific neutraliza-tion antibodies could be stimulated in animals,particularly in term of mucosal and cellular ***,the chimeric VSV encoding S_(Δ21) of Delta-variant can induce more potent immune responses compared with those encoding S_(Δ21) of Omicron-or ***_(MT) is a promising platform to develop a mucosal vaccine for countering COVID-19.

关键词： COVID-19 Vesicular stomatitisvirus Matrix protein mutant Mucosal Vaccine Spike protein Variants of concerns Intranasal inoculation Cellular immunity

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

Quantitative functionalization of biosynthetic caged protein materials

引用

Quantitative Biology 2023年第1期11卷 1-14页

作者： Quan Cheng Xuan Wang Xian-en zhang Chengchen Xu Feng Li College of Life Sciences and Health Wuhan University of Science and TechnologyWuhan 430065China State Key Laboratory of Virology Wuhan Institute of VirologyCenter for Biosafety Mega-ScienceChinese Academy of SciencesWuhan 430071China Faculty of Synthetic Biology Shenzhen Institute of Advanced TechnologyChinese Academy of SciencesShenzhen 518055China National Laboratory of Biomacromolecules Institute of BiophysicsChinese Academy of SciencesBeijing 100101China University of Chinese Academy of Sciences Beijing 100049China

Background:As one of the representative protein materials,protein nanocages(PNCs)are self-assembled supramolecular structures with multiple advantages,such as good monodispersity,biocompatibility,structural addressability,and facile *** quantitative functionalization is essential to the construction of PNCs with designed ***:With three modifiable interfaces,the interior surface,outer surface,and interfaces between building blocks,PNCs can serve as an ideal platform for precise multi-functionalization studies and *** review summarizes the currently available methods for precise quantitative functionalization of PNCs and highlights the significance of precise quantitative control in fabricating PNC-based materials or *** methods can be categorized into three groups,genetic,chemical,and combined ***:This review would be constructive for those who work with biosynthetic PNCs in diverse fields.

关键词： protein nanocages virus-like particles functionalization genetic modification chemical modification

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

湿法炼锌浸出渣中稀贵金属的富集和回收研究

引用

世界有色金属 2024年第2期 19-21页

作者：张恩玉李志强冶玉花西北矿冶研究院甘肃白银730900 白银有色集团股份有限公司甘肃白银730900

本文主要阐述了湿法冶炼锌浸出渣中稀有贵金属的富集和回收研究。通过对浸出渣处理方法的分析和浸出工艺的优化,使浸出渣中的贵金属得到富集和回收。结合理论,提出了更合理的工艺控制条件,对浸出渣的回收、环境保护及提升经济效益都起... 详细信息

本文主要阐述了湿法冶炼锌浸出渣中稀有贵金属的富集和回收研究。通过对浸出渣处理方法的分析和浸出工艺的优化,使浸出渣中的贵金属得到富集和回收。结合理论,提出了更合理的工艺控制条件,对浸出渣的回收、环境保护及提升经济效益都起到了积极的作用。

关键词：湿法炼锌浸出渣稀贵金属富集

来源：

维普期刊数据库博看期刊

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

20立方米船用LNG储罐的强度分析

引用

武汉船舶职业技术学院学报 2024年第4期23卷 83-87页

作者：王欢张恩于肖闰轩钟鸣鸿江苏航运职业技术学院江苏南通226010

LNG(液化天然气)是一种新型的清洁能源,对于船舶行业来说,船用LNG储罐的强度分析是至关重要的。首先对LNG储罐进行了结构设计,设定了相关参数,接着讲述了三维建模、网格划分、设置材料、施加载荷和添加约束等有限元操作方法及其流程,然... 详细信息

LNG(液化天然气)是一种新型的清洁能源,对于船舶行业来说,船用LNG储罐的强度分析是至关重要的。首先对LNG储罐进行了结构设计,设定了相关参数,接着讲述了三维建模、网格划分、设置材料、施加载荷和添加约束等有限元操作方法及其流程,然后分析结构强度,接着对船舶的LNG储罐施加载荷,LNG储罐相关主要部件受力强度符合安全要求,全部在受力范围内,都是许用的。研究发现,储罐沿船舶纵向及横向布置时,其强度要求均满足条件,但储罐沿船舶横向布置时,各部件的最大应力值较船舶LNG储罐的结构设计是保证船舶安全的重要环节。本文为船舶LNG储罐的结构设计和安全运输提供参考。

关键词： LNG储罐强度分析网格划分

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

细化变质对免热处理压铸Al-Zn-Si-Cu合金组织及性能的影响

引用

铸造 2024年第6期73卷 746-752页

作者：张恩图郝建飞夏鹏陈斌王志鹏揭晓华李润霞广东工业大学材料与能源学院广东广州510000 东莞理工学院材料科学与工程学院广东东莞523000

采用压铸成形工艺制备Al-Zn-Si-Cu合金,研究陶瓷纳米增强颗粒(TiC/TiB_(2))和Al-10Sr变质剂对免热处理压铸Al-Zn-Si-Cu合金力学性能、导热/电性能、显微组织的细化变质效果。结果表明,单独添加0.5%陶瓷纳米颗粒后,与未添加细化剂的合金... 详细信息

采用压铸成形工艺制备Al-Zn-Si-Cu合金,研究陶瓷纳米增强颗粒(TiC/TiB_(2))和Al-10Sr变质剂对免热处理压铸Al-Zn-Si-Cu合金力学性能、导热/电性能、显微组织的细化变质效果。结果表明,单独添加0.5%陶瓷纳米颗粒后,与未添加细化剂的合金相比,α-Al相得到明显细化,呈近蔷薇状,纤维状共晶Si相更加致密,短棒状Al_(2)Cu相更加细小,且Zn、Si、Cu元素在基体中含量增加,此时力学性能得到提升,导热/电性能略有下降,主要是由于溶质元素的增加导致晶格发生畸变程度变大,增大电子散射能力的同时减小电子的平均自由程,使得金属的导热和导电能力下降;经0.5%陶瓷纳米颗粒和0.1%Al-10Sr中间合金共同作用后,共晶Si相棱角钝化,基体中溶质元素含量进一步增加,此时合金力学性能达到最佳,其抗拉强度、屈服强度和伸长率分别为361 MPa,213 MPa和6.8%,热导率为118.73 W/(m·K)。

关键词：免热处理压铸Al-Zn-Si-Cu合金晶粒细化变质处理力学性能显微组织

来源：

维普期刊数据库

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

我国性治疗护士工作范畴和核心能力的质性研究

引用

护理学报 2024年第7期31卷 68-72页

作者：张颖车晓艳万婠秦雪张恩思崇武郑淑娟江苏大学鼓楼临床医学院江苏镇江212013 南京大学医学院附属鼓楼医院男科江苏南京210000

目的探究我国性治疗护士的工作范畴及核心能力。方法通过文献回顾制定访谈提纲,对学习对象、学科专家、社会人群共23人进行半结构访谈,利用NVivO12软件对访谈资料进行编码。采用主题分析法进行资料分析,遵循Braun和Clarke六阶段法则,归... 详细信息

目的探究我国性治疗护士的工作范畴及核心能力。方法通过文献回顾制定访谈提纲,对学习对象、学科专家、社会人群共23人进行半结构访谈,利用NVivO12软件对访谈资料进行编码。采用主题分析法进行资料分析,遵循Braun和Clarke六阶段法则,归纳分析并提炼主题。结果性治疗护士主要工作内容是以性功能障碍人群为主,辅以性心理障碍、性少数群体进行性教育、性咨询、性治疗。核心能力可归纳为5大主题包括专业临床实践能力、评判性思维能力、专业发展能力、管理与协调能力、法律与伦理道德践行能力。结论性治疗护士的工作范畴为处理各种有性问题的人群。性治疗护士应具备多方面的核心能力,以专业临床实践为中心能力,其他能力基于此相辅相成。未来仍需通过量性研究构建具有实用性、科学性的核心能力评价指标体系,为性医学护理领域应用型人才的培养与管理提供参考。

关键词：性治疗护士性治疗师性治疗专科护士核心能力质性研究

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

日粮添加不同种类和比例复合益生菌对湖羊瘤胃微生物群落的影响

引用

农业生物技术学报 2024年第3期32卷 568-577页

作者：王智伟田林涛刘林丽杨雨鑫叶丙奎张恩平西北农林科技大学动物科学技术学院西北农林科技大学生命科学学院陕西杨凌富仕特生物科技有限公司

高精料日粮舍饲肥育在提高肉羊(Ovis aries)日增重的同时也导致其瘤胃产酸发酵过快，机体代谢失衡。复合益生菌可以利用多种益生菌的协同作用维持反刍动物胃肠道菌群平衡，促进机体生长和发育。为研究日粮中添加不同种类和比例复合益生... 详细信息

高精料日粮舍饲肥育在提高肉羊(Ovis aries)日增重的同时也导致其瘤胃产酸发酵过快，机体代谢失衡。复合益生菌可以利用多种益生菌的协同作用维持反刍动物胃肠道菌群平衡，促进机体生长和发育。为研究日粮中添加不同种类和比例复合益生菌对湖羊瘤胃微生物群落的影响，将体重日龄接近的健康雄性湖羊羔羊60只随机分为4个处理组，对照组饲喂基础日粮，实验1、2、3组分别在基础日粮中添加2%、4%复合益生菌FA1和2%复合益生菌FA2。饲喂第60天，称量实验羊体重、采集瘤胃液测定p H，通过细菌16S rRNA测序，检测瘤胃液微生物组成。结果表明：与对照组相比，添加益生菌的各实验组平均日增重有增加趋势，但差异不显著，平均料重比均显著降低(P<0.05)。瘤胃微生物Alpha多样性和Beta多样性指数组间差异不显著。实验1组丰度显著升高的菌群为梭状芽胞杆菌属(Clostridia＿UCG-014)，实验2组丰度显著升高的菌群为细小杆菌属(Solobacterium)，实验3组丰度显著升高的菌群为毛螺菌属(Lachnospiraceae＿NK3A20＿group)和氨基酸球菌属(Acidaminococcus)，实验2组纤维降解(cellulolysis)功能通路显著降低，且粪便中粗纤维含量显著升高(P<0.05)。本研究表明，在日粮中添加不同种类和比例复合益生菌均能够提高瘤胃液pH和厌氧益生菌丰度，进而提高湖羊生长性能，但4%复合益生菌FA1对于日粮粗纤维表观消化率具有负向作用。该研究为复合益生菌的理论研究和生产应用提供了参考。

关键词：复合益生菌湖羊瘤胃微生物

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

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：