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Research on Safety Hazard Problems and Control Strategies in Chemical Process Design
《外文科技期刊数据库(文摘版)工程技术》2022年第4期181-184,共4页ZANGYunpeng 
With the development of society, the chemical industry has also been growing. Due to the particularity of production raw materials, chemical process has great safety risks in the manufacturing process. In order to imp...
关键词:chemical process design safety hazards control policy 
Isolation and Chemotaxonomic Significance of Chemical Constituents from Rubus parvifolius被引量:10
《Chinese Herbal Medicines》2016年第1期75-79,共5页Quan-xi Mei Xiao-lu Chen Xue Xia Zhi-jian Fang Hong-bo Zhou Yu-qiao Gao Wei-bo Dai Ren-wang Jiang 
Administration of Traditional Chinese Medicine of Guangdong Province,China(No.20131078)
Objective To study the chemical constituents from the roots of Rubus parvifolius. Methods The chemical constituents were extracted and purified by silica gel column chromatography. NMR spectra were used for structural...
关键词:chemical constituents Rubus alceaefolius Rubus parvifolius 
Localized Corrosion Characteristics of Nickel Alloys: A Review被引量:4
《Acta Metallurgica Sinica(English Letters)》2017年第4期296-305,共10页Helmuth Sarmiento Klapper Natalia S. Zadorozne Raul B. Rebak 
There are a great variety of commercial nickel alloys mainly because nickel is able to dissolve a large amount of alloying elements while maintaining a single ductile austenitic phase. Nickel alloys are generally desi...
关键词:Nickel alloys Localized corrosion Oil and gas Seawater Chemical process industry 
CHEMICAL SPECIES OF IRIDIUM AND OTHER TRACE ELEMENTS IN THE CRETACEOUS-TERTIARY BOUNDARY CLAYS AND ITS IMPLICATION
《Nuclear Science and Techniques》1991年第2期106-115,共10页孔屏 柴之芳 毛雪瑛 马淑兰 
The Project Supported by National Natural Science Foundation of China
The geological samples: Cretaceous- Tertiary (K- T) boundary clays, meteorites, volcanic lava, and ultrabasic rock were separated into carbonate, metal, sulfide, oxide, silicate and acid- resistant residue by a select...
关键词:IRIDIUM ANOMALY Chemical SPECIATION INSOLUBLE residue Spherule Transmission electron MICROSCOPE 
SYNTHESIS OF PPCuPc FILM BY MICROWAVE PLASMA CHEMICAL VAPORIZATION DEPOSITION(MPCVD)
《Chinese Chemical Letters》1991年第11期897-900,共4页Ai Min YU Wen Guo XU Wen Jun YANG Qin Han JIN 
Using a low power microwave generator(W_(max)=100W) and a Surfatron discharge device, Plasma-polymerized copper phthalocyanine (PPCuPc) film was synthesised from monomer copper phthalocyanine(CuPc) by microwave plasma...
关键词:FTIR MPCVD SYNTHESIS OF PPCuPc FILM BY MICROWAVE PLASMA CHEMICAL VAPORIZATION DEPOSITION ESCA 
Ubiquitous Sensor Network for Chemical Sensors
《稀有金属材料与工程》2006年第A03期400-404,共5页Wan-Young Chung Risto Myllylae 
Wireless sensor networks have been identified as one of the most important technologies for the 21 st century.Recent advances in micro sensor fabrication technology and wireless communication technology enable the pra...
关键词:ubiquitous sensor network wireless sensor network sensor network platform sensor node chemical sensors 
Cyclic Variability in Chemical Composition and Swelling-Shrinkage Properties of the Xiashu Loess Stratum near Nanjing,China
《Pedosphere》2007年第5期666-672,共7页XIA Jia HUANG Guang-Long LIU Zi-Tong CHEN Xin-Min 
Project supported by the Foundation for the Key Disciplines of Nanjing University of Technology.
Xiashu loess strata are widely distributed along the middle-lower reaches of the Yangtze River in East China with the stratum near Nanjing,Jiangsu Province being typical.The cyclic variability of the stratum was inves...
关键词:chemical composition cyclic variability swelling-shrinkage properties unsaturated state Xiashu loessstratum 
RESEARCH ON CONFORMATION OF CAPROLACTAM AND ITS ALKYL DERIVATIVES
《Journal of China Textile University(English Edition)》1995年第2期32-38,共7页蒋尚信 
Caprolactam is treated with dimethyl sulfate in benzene medium under conditions of various molar ratios to yield two different methylatcd products. The homogeneous reaction of caprolactam with dimethyl sulfate without...
关键词:ALKYLATION CAPROLACTAM O-methyl caprolactim N-methyl CAPROLACTAM O-ethyl caprolactim chemical shift REAGENT NMR spectrum. 
Chemical characteristics and source apportionment of PM_(10) during a brown haze episode in Harbin, China被引量:15
《Particuology》2011年第1期32-38,共7页Likun Huang Chung-Shin Yuan Guangzhi Wang Kun Wang 
supported by Open Project of State Key Laboratory of Urban Water Resources and Environments, Harbin Institute of Technology (No. QA200902)
This study investigates the correlation between PM10 and meteorological factors such as wind speed, atmospheric visibility, dew point, relative humidity, and ambient temperature during a brown haze episode. In order t...
关键词:PM 10 Chemical analysis Meteorological factors CMB receptor model Source apportionment 
Impacts of chemical fertilizer reduction and organic amendments supplementation on soil nutrient,enzyme activity and heavy metal content被引量:80
《Journal of Integrative Agriculture》2017年第8期1819-1831,共13页NING Chuan-chuan GAO Peng-dong WANG Bing-qing LIN Wei-peng JIANG Ni-hao CAI Kun-zheng 
financially supported by grants of the Key Projects in the Key Technologies R&D Program of China during the 12th Five-Year Plan period(2012BAD14B00);the Guangdong Provincial Science and Technology Plan Key Project,China(2012A020100003,2015A050502043)
Excessive use of agro-chemicals (such as mineral fertilizers) poses potential risks to soil quality. Application of organic amendments and reduction of inorganic fertilizer are economically feasible and environmenta...
关键词:chemical fertilizer organic amendments soil fertility VEGETABLE soil health heavy metal 
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