咨询与建议

限定检索结果

文献类型

  • 3,590 篇 期刊文献
  • 294 篇 会议

馆藏范围

  • 3,884 篇 电子文献
  • 0 种 纸本馆藏

日期分布

学科分类号

  • 2,651 篇 工学
    • 730 篇 环境科学与工程(可...
    • 682 篇 材料科学与工程(可...
    • 534 篇 化学工程与技术
    • 455 篇 计算机科学与技术...
    • 421 篇 机械工程
    • 367 篇 电气工程
    • 302 篇 食品科学与工程(可...
    • 301 篇 电子科学与技术(可...
    • 297 篇 动力工程及工程热...
    • 296 篇 控制科学与工程
    • 282 篇 信息与通信工程
    • 255 篇 水利工程
    • 221 篇 力学(可授工学、理...
    • 210 篇 生物医学工程(可授...
    • 189 篇 生物工程
  • 2,116 篇 理学
    • 881 篇 生物学
    • 754 篇 化学
    • 471 篇 物理学
    • 287 篇 大气科学
    • 264 篇 生态学
  • 1,310 篇 医学
    • 778 篇 临床医学
    • 415 篇 公共卫生与预防医...
    • 349 篇 药学(可授医学、理...
    • 285 篇 基础医学(可授医学...
    • 244 篇 中西医结合
  • 785 篇 农学
    • 356 篇 作物学
    • 250 篇 畜牧学
    • 236 篇 园艺学
    • 219 篇 兽医学
  • 305 篇 管理学
    • 190 篇 管理科学与工程(可...
  • 78 篇 经济学
  • 37 篇 教育学
  • 33 篇 法学
  • 20 篇 文学
  • 20 篇 艺术学
  • 5 篇 军事学
  • 3 篇 历史学

主题

  • 79 篇 quality
  • 53 篇 quality control
  • 43 篇 meta-analysis
  • 42 篇 control
  • 34 篇 china
  • 33 篇 water quality
  • 27 篇 pollution
  • 26 篇 rice
  • 26 篇 meat quality
  • 22 篇 covid-19
  • 22 篇 metabolomics
  • 22 篇 of
  • 21 篇 pm2.5
  • 20 篇 gut microbiota
  • 20 篇 and
  • 20 篇 water
  • 17 篇 systematic revie...
  • 17 篇 air pollution
  • 16 篇 analysis
  • 16 篇 treatment

机构

  • 84 篇 university of ch...
  • 29 篇 school of food s...
  • 24 篇 university of ch...
  • 24 篇 state key joint ...
  • 21 篇 state key labora...
  • 17 篇 national enginee...
  • 16 篇 school of food s...
  • 16 篇 hubei key labora...
  • 16 篇 school of automa...
  • 15 篇 national enginee...
  • 13 篇 state key labora...
  • 12 篇 state key labora...
  • 12 篇 state environmen...
  • 12 篇 center for excel...
  • 10 篇 state key joint ...
  • 10 篇 chinese research...
  • 10 篇 college of pharm...
  • 9 篇 state key labora...
  • 9 篇 state key labora...
  • 9 篇 nmpa key laborat...

作者

  • 33 篇 jianxin zhao
  • 26 篇 wei chen
  • 25 篇 hao zhang
  • 23 篇 shuxiao wang
  • 19 篇 li li
  • 17 篇 gang wang
  • 17 篇 jiming hao
  • 16 篇 yuan liu
  • 15 篇 wei liu
  • 15 篇 wei wang
  • 14 篇 jia xing
  • 14 篇 qiang zhang
  • 13 篇 rui wang
  • 13 篇 fengwei tian
  • 13 篇 leilei yu
  • 12 篇 xin zhang
  • 12 篇 lei wang
  • 11 篇 jian gao
  • 11 篇 jing wang
  • 11 篇 hua zhang

语言

  • 3,493 篇 英文
  • 391 篇 中文
检索条件"机构=Quality Control Laboratory of Njala University"
3884 条 记 录,以下是3821-3830 订阅
排序:
Application of Ethylparaben in quality control of Favoring Agents and Fragrances Used for Cigarette Production
收藏 引用
Agricultural Biotechnology 2017年 第2期6卷 58-60页
作者: Lizhi DANG Rui YUE Wenhan DONG Genhua YANG Yanqing DUAN Research & Development Center China Tobacco Yunnan Industrial Co.Ltd. College of Plant Protection Yunnan Agricultural University
This study was conducted to evaluate the antimierobial activity of ethylparaben (ethyl para-hydroxybenzoate) in flavoring agents and fragrances used tot cigarette production. In brief, different levels of ethylparab... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Sensors and Methods for Measuring Greenhouse Gas Emissions from Different Components of Livestock Production Facilities
收藏 引用
Journal of Geoscience and Environment Protection 2022年 第12期10卷 242-272页
作者: Md Saidul Borhan Mosammat Mustari Khanaum Texas Department of Transportation Maintenance Division Austin TX USA Civil Construction and Environmental Engineering Department North Dakota State University Fargo ND USA
Greenhouse gas monitoring on a broader scale is necessary to ensure that a cap-and-trade system is effective, reduces measurement uncertainty, and detects fraudulent or illegal activities. The recent strict air qualit... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Development and integration of 50 Hz pellet injection system on the EAST tokamak
Development and integration of 50 Hz pellet injection system...
收藏 引用
安徽省第四届(2016年)“卓凌杯”真空科技青年创新大赛暨学术研讨会
作者: Xingjia Yao Yue Chen Jiansheng Hu Igor Vinyar Alexander Lukin Xiaoling Yuan Changzheng Li Haiqing Liu Institute of Plasma Physics Chinese Academy of Sciences Science Island Branch of Graduate School University of Science and Technology of China
A 50 Hz pellet injection system which is mainly designed for ELM control has been successfully developed and integrated for the Experimental Advanced Superconducting Tokamak(EAST). Up to 50 Hz injection is achieved by...
来源: cnki会议 评论
Interference of Quinolinate Phosphoribosyltransferase Gene QPT Affects Agronomic Traits and Leaf quality in Nicotiana tabacum L.
收藏 引用
Journal of Agricultural Science and Technology(B) 2020年 第4期10卷 229-245页
作者: Chun Wei Zhi-Hui Du Li-Jun Qin De-Gang Zhao Key laboratory of Plant Resource Conservation and Germplasm Innovation in Mountainous Region(Ministry of Education) Collaborative Innovation Center for Mountain Ecology&Agro-bioengineering(CICMEAB)College of Life Sciences/Institute of Agro-bioengineeringGuizhou UniversityGuiyang 550025Guizhou ProvinceChina Guizhou Academy of Agricultural Sciences Guiyang 550025Guizhou ProvinceChina
Quinolinate phosphoribosyltransferase(QPRTase),a key enzyme in ensuring nicotinic acid is available for the synthesis of defensive pyridine alkaloids in Nicotiana species,also plays an important role in nicotinamide a... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
精液分析实践:A~Z
收藏 引用
国际生殖健康/计划生育杂志 2010年 第3期29卷 139-144页
作者: Brazil C 甄威 张爱军 胡洪亮 Center for Health and the Environment University of CaliforniaDavisCA 95616USA
准确的精液分析不仅对制订患者的治疗方案,而且对研究精液质量总体变化趋势、避孕效果和毒理作用都至关重要。导致精液分析标准化困难的原因有:精液分析缺乏可比较的客观标准,需要技术人员主观评定;技术人员缺乏培训;实验室的检测能力(... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
采用同轴喷射流实现脂质体的连续生产(英文)
采用同轴喷射流实现脂质体的连续生产(英文)
收藏 引用
2018年第十二届中国药物制剂大会
作者: Diane J.Burgess Dept. of Pharmaceutical Sciences University of Connecticut
Our laboratory has developed a continuous manufacturing platform for liposomes using a co-axial jet in co-flow and incorporating online PAT(process analytical technology). DOE(design-of-experiments) approaches hav...
来源: cnki会议 评论
细胞循环-代谢模型在面包酵母耐贮存力控制中的应用
收藏 引用
生物工程学报 1994年 第3期10卷 263-270页
作者: 袁景淇 Bellgardt K.H. 华东理工大学自动化研究所 Institute of Chemical Engineering Hannover UniversityD30167 HannoverFRG
基于作者早期提出的面包酵母细胞循环-代谢模型设计了3次最优控制实验,目的是使发酵终了时的带芽细胞分率FBC趋于极小值,以期提高酵母的耐贮存力。实验成功地得以实施,不仅FBC的终值接近理论上的极小值,而且样品的耐贮存力得到了明显提... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
Meta-analysis of therapy of Kang’ai injection combined with chemotherapy in the treatment of non-small cell lung cancer
收藏 引用
Cancer Advances 2022年 第24期5卷 1-10页
作者: Chen-Chen Zhao Tong Wu Xian-Bin Kong Chuan-Xin Liu Yang Luo Jian-Hua Duan Zhu-Ting Li Departments of Oncology Second Affiliated Hospital of Tianjin University of Traditional Chinese MedicineTianjin 300250China Tianjin Traditional Chinese Medicine Rehabilitation Centre Tianjin 300250China Departments of Cardiology Second Affiliated Hospital of Tianjin University of Traditional Chinese MedicineTianjin 300250China College of Traditional Chinese Medicine Tianjin University of Traditional Chinese MedicineTianjin 301617China Department of Metabolism and Endocrinology Endocrine and Metabolic Disease CenterLuoyang 471003China The First Affiliated Hospital and College of Clinical Medicine of Henan university of Science and Technology Luoyang 471003China Medical Key laboratory of Hereditary Rare Diseases of Henan Luoyang 471003China Luoyang Sub-center of National Clinical Research Center for Metabolic Diseases Luoyang 471003China
Objective:To compare the safety and efficacy of Kang’ai injection combined with chemotherapy and chemotherapy alone in the treatment of non-small cell lung ***:The related control and randomized studies from 1966 to ... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Combination of acupuncture and traditional Chinese medicine for functional constipation:A meta-analysis
收藏 引用
Medicine in Novel Technology and Devices 2022年 第4期16卷 306-316页
作者: Dongxue Lu Feng Liu Jing Yan Haixia Liu Zhiguang Sun Bingyu Chen Shilin Zhu Fei Ge Nanjing university of Chinese Medicine Second Affiliated Hospital of Nanjing University of Chinese MedicineNo.336 Shuiximen StreetJianye DistrictNanjingJiangsu210000China Department of Orthopaedics Nanjing Pukou District Chinese Medicine HospitalNo.18Gongyuan North RoadJiangpu StreetPukou DistrictNanjingJiangsu210000China Nanjing university of Chinese Medicine No.138 Xianlin AvenueQixia DistrictNanjingJiangsu210023China Department of Gastroenterology Second Affiliated Hospital of Nanjing University of Chinese MedicineNo.336 Shuiximen StreetJianye DistrictNanjingJiangsu210000China Department of Gastroenterology Haian Hospital of Traditional Chinese Medicine Affiliated to Nanjing University of Chinese MedicineNo.55 Ninghai Middle RoadHai'an TownHai'an CountyNantongJiangsu226000China
To systematically assess the effectiveness and safety of using acupuncture with traditional Chinese medicine for functional constipation so as to provide the evidence-based data for clinical *** databases,CBM,VIP,CNKI... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Investigating the changes of sleep structure and cortisol responses to the Trier Social Stress Test in good sleepers with different sleep reactivity
Investigating the changes of sleep structure and cortisol re...
收藏 引用
中国睡眠研究会第十四届全国学术年会
作者: Ping Zhang Gui-hai Chen The first affiliated Hospital of university of Science and Technology of China(Anhui Provincial Hospital) 安徽医科大学附属巢湖医院
Study Objectives: The purpose of this study was to explore whether good sleepers with high sleep reactivity(H-SR) levels had insomnia-like vulnerability after stress, which was associated with more serious sleep struc...
来源: cnki会议 评论