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- The electronic structure of a quaternary alloy has been investigated using EHT band calculation method. 用紧束缚能带计算方法(EHT)研究了标题多元合金的能带及电子结构。
- Formula of iron-nickel-phosphorus-boron quaternary alloy electroless plating was optimized so as to abtain amorphous deposit. 并筛选出获得铁-镍-磷-硼四元非晶态镀层的最佳配方。
- The principle of the boundary theory of phase diagrams is introduced and an experimental method of determining the isopleth section of phase diagrams of quaternary alloy system is described. 简单介绍了相图边界理论的原理,根据该理论设计了一种测定四元合金体系的截面相图的实验方法。
- A method for determination of Al,Ag,Bi,Cu,Cd,Co,Fe,Ni,Pb,Mg,Sn,Se,Zn in tellurium ingot by ICP AES were studied. 本文介绍了采用电感耦合等离子体发射光谱法(ICP-AES)测定碲锭中Al、Ag、Bi、Cu、Cd 等13 个杂质元素的方法。
- A method has been proposed for determination of Bi,Se,Te in high-purity niobium pentoxide by HG-ICP-OES. 提出了氢化发生电感耦合等离子体发射光谱法(HG-ICP-OES)测定高纯氧化铌中铋、硒、碲的分析方法。
- The results show that over 98% of copper and 96% of Se and Te is leached respectively, and Ag is not leached. 结果表明,铜的浸出率可达98%25以上,硒、碲浸出率可达96%25以上,银基本上不进入溶液。
- Guantian pyrite deposit is known as a epithermal vein pyrite deposit with complicated material compositions including many accompanying useful components Cu, Au, Ag, Te, Bi,etc. 官田黄铁矿矿床为一浅成低温水热脉状黄铁矿矿床,物质成分复杂,伴生有Cu、Au、Ag、Te、Bi等多种有益组分。
- We treated photosensitive silver nitrate with series of chemical treatments,and tested Bi,Cd,Cr,Cu,Fe,Mn,Ni,Pb,Sb,Sn,Te,Se,Zn in the superstratum with graphite furnace atomic absorption spectrophotometer. 感光级硝酸银样品经一系列的化学处理后;上清液采用石墨炉原子吸收分光光度法测定其中Bi;Cd;Cr;Cu;Fe;Mn;Ni;Pb;Sb;Sn;Te;Se;Zn元素的含量;本方法测定Bi;Cd;Cr;Cu;Fe;Mn;Ni;Pb;Sb;Sn;Te;Se;Zn各元素均能得到良好的标准曲线;即r=0.;99~1;
- A method for line selecting has been offered in ICP-AES in the case of the determination of 30 elements (Ag, Al, As, B, Ba, Be, Bi, Ca, Cd, Co, Cr, Cu, Fe, Hg, La, Mg, Mn, Mo, Nb, Ni, P, Pb, Se, Si, Sn, Ta, Ti, Th, V and Zn) in wolfram. 为钨和钨化合物中元素 (Ag、Al、As、B、Ba、Be、Bi、Ca、Cd、Co、Cr、Cu、Fe、Hg、La、Mg、Mn、Mo、Nb、Ni、P、Pb、Se、Si、Sn、Ta、Ti、Th、V、Zn) 分析线的选择提供了依据。
- The activity interaction parameters between Ce and Sn or Me in Sn-Ce-Me ternary alloy systems(Me=Pb,Bi,Zn,Sb,Ag,Cu,Cd)are calculated and analyzed by means of Chou model. 采用周模型计算分析了Sn-Ce-Me(Me=Pb、Bi、Zn、Sb、Ag、Cu、Cd)三元合金系中,Ce与Sn以及Ce与Me之间的活度相互作用系数。
- It's an alloy not readily drillable. 这是不易钻洞的合金。
- As, Sb, Mo, W, Bi and Te etc. may act as indicator for industrial orebody. As、Sb、Mo、W、Bi、Te等元素可作为工业矿体之标志性元素。
- quaternary alloy Ag-Bi-Se-Te 四元n-型Ag-Bi-Se-Te合金
- quaternary alloy 四元易熔合金
- Brass is an alloy of copper and zinc. 黄铜是铜和锌的合金。
- Optical Phonon Raman Scattering from In 1-x-y Ga xAl yAs/InP Quaternary Alloys MBE生长的In_(1-x-y)Ga_xAl_yAs/InP四元混晶的拉曼散射
- A stable, corrosion-resistant zirconium alloy. 锆合金一种稳定而防腐蚀的锆合金
- A method for the determination of As, Bi, Ca, Cd, Co, Fe, Mn, Se and Zn in lead antimony alloy by ICP AES was proposed. Interference from matrix elements was investigated. Samples were decomposed with HNO 3 and tartaric acid to avoid the hydrolysis of Sb. 拟定了电感耦合等离子体原子发射光谱 (ICP -AES)测定铅锑合金中As、Bi、Ca、Cd、Co、Fe、Mn、Se和Zn等九个元素的分析方法 ,考察了Pb、Sb基体对待测元素的干扰情况。
- The Quaternary sediments are largely undeformed. 第四纪的沉积物大部分未变形。
- Cationics are usually quaternary ammomium salts. 阳离子表面活性剂通常为季铵盐类。