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words: Co-rich crusts; PIXE; chemical composition 质子激发X线荧光分析(Proton induced X-ray emission,PIXE)是20世纪70年代发展起来的一种多元素微量分析技术.该技术具备多元素同时分析的能力,并具有快速和无损等特点.20世纪70年代到80年代前半期,该技术最重要的应用领域是生命科学,进入90年代,PIXE分析应用... and Methods in Physics Research, 2001, B181: 545-550. [9] Батурин Г Н. 洋底铁锰结核和结壳的平均化学成分[J]. 朱成文, 译. 地质地球化学, 1994, 2: 41-44.Батурин Г Н. Average chemical composition of deep-sea ferromanganese nodules......
Effect of plating bath composition on chemical composition and oxygen reduction reaction activity of electrodeposited Pt–Co catalystsPranee Puangsombut1,Nisit Tantavichet1,2,31. Department... plating baths with the aim of finding suitable plating bath conditions that could control the chemical composition of the Pt–Co alloy electrodeposits over a wide range(from 0 to 100 at% Pt......
and structure/properties description, prediction and control model for chemical composition and mechanical properties of 20 and A2 steel are presented.关键词:...Some Concepts on Statistical Models of Relating Mechanical Properties to Chemical CompositionJun Wu~(1)) Chaobin Hao~(2)) Yana Wang~(1)) Shiqi Li~(1)) Linjie Yang~(1)) 1) Metallurgy School, UST......
basic chemical conversion treatment solution condition. Furthermore, the distribution of chemical composition was very irregular. It is thought that the adhesion between the chemical conversion coating... Surface characteristics of chemical conversion coating for Mg-Al alloy Masazumi OKIDO1, Ryoichi ICHINO1, Seong-Jong KIM2, Seok-Ki JANG2, 1. Nagoya University, Furo-cho, Chikusa-ku......
RESEARCH ON CHEMICAL COMPOSITION AND MICROSTRUCTURE OF NEWLY-DEVELOPED HIGH STRENGTH AND HIGH ELONGATION STEELS S.K.Pu1,B.F.Xu2,D.X.Luo1,X.Chen1,Z.X.Yuan2,A.M.Guo1,Y.Chen2,S.B.Zhou1,P.H.Li1...) Abstract:The different chemical composition of silicon and manganese as well as different re-tained austenite fraction ranged from 4% to 10% of the high strength and high elon-gation steels were......
Chemical composition and Mott-Schottky analysis of passive film formed on G3 alloy in bicarbonate/carbonate buffer solutionDangguo LI,Darong CHEN*,Jiadao WANG and Haosheng CHEN State Key Laboratory of Tribology,Tsinghua University,Beijing 100084,China摘 要:The chemical composition and semi-conductive properties of passive film on nickelbased alloy (G3......
Underwater Wet Welding for HSLA Steels: Chemical Composition, Defects, Microstructures, and Mechanical PropertiesWen-Bin Gao1,Dong-Po Wang1,Fang-Jie Cheng1,Cai-Yan Deng1,Wei Xu21. Tianjin Key... of water depth on underwater wet welds was investigated by underwater wet shielded metal-arc welding technique. The microstructures, chemical composition, welding defects, and mechanical properties were......
matters; PM10; chemical composition; receptor modeling; principal component analysis; suburban  ... to the toxicological studies, it is not mass concentration but chemical composition of the particulate matters that leads to adverse health effects [5]. Once the particulate matters inhaled into the human......
Chemical Composition and Microstructure of Hydration Products of Hardened White Portland Cement Pastes Containing Admixtures李秋摘 要:This study investigated... the chemical composition, morphology, micro/nano structure of C-S-H and the main binding phase in cementitious materials. Calcium hydroxide(CH), ettringite and C-S-H were identified in WPC with 20 m M......