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- The following results were obtained from experiments: (1) There exist Cu 2+ in the precursor of Cu Zn Al O catalyst. 结果表明:Cu?Zn?Al?O催化剂前驱体以Cu+2形式存在;
- Artifical Neural Netork have been used to determine simultaneously the three speciations of Cu、Zn、Fe、Mn in geochemsitry samples. 人工神经网络算法用于化探样品中铁、铜、锌、猛的三种形态分析。
- When you use the CU、Zn version of the materials, cards and membership cards to make gold and silver ink because of the Panel, which is prone to oxidation behavior by planeness, gloss differential. 当搁置铜、锌版质料制卡和会员卡制作金、银不朱时,由于版背便当呈现氧化本体而使其裂缝度、光华度不不对。
- The amorphous Fe Cr alloy coatings were obtained by controlling the composition of bath operation conditions. 本实验通过控制镀液组成和操作条件获得了非晶态铁-铬合金镀层。
- The results indicate that every performance of melting range reaches or surpasses respective performance of related cobalt alloy and Ni Cr alloy. 结果表明,熔接区的各项性能均达到和超过相关的钴合金及镍铬高温合金的各自性能。
- Objective: To compare the bond strength of ceram ic - metal among three kinds of precious alloys and Ni - Cr alloy. 目的:比较3种贵金属合金和镍铬合金与瓷的金瓷结合强度。
- The changes of Mn Cu Zn levels in RBC of welding workers 电焊作业人员红细胞内锰铜锌含量的变化
- SUCCESSIVE FAAS DETERMINATION OF Cu Zn Fe AND Mn IN PAPAYA 火焰原子吸收光谱法连续测定番木瓜中铜锌铁锰
- Keywords Zine powder;Chromatizing;Corrosion resistance;Zn Cr coating; 锌粉;铬酸盐;防蚀;锌铬膜涂层;
- The influence of surface galvanic effect on the behaviors of four Fe Cr alloys during cavitation damage in NaCl solution has been investigated. 重点考察了合金性能及空泡作用区相对大小对合金空蚀损失量的影响。
- Methods: The bond strength of Au - Pt, Au - Pd, Ag - Pd and Ni - Cr alloys were determined by means of pull - through test. 方法:通过金瓷界面间的剪切强度测定,观察金铂合金、金钯合金、银钯合金及镍铬合金的金瓷结合强度。
- Application of Baird ICP 2070 sequential scan plasma spectrometer to determine Ag, Al, B, Ba, Be, Cd, Co, Cr, Cu, Hg, Li, Mn, Mo, Ni, P, Pb, Sb, Ti, Tl and Zn in surface water, industrial wastewater, soil, plant and alloy samples. 利用Baird ICP 2070顺序式扫描等离子体光谱仪,对地面水、工业废水、土壤、植物等多种环境样品以及合金中的Ag、Al、As、B、Ba、Be、Cd、Co、Cr、Cu、Hg、Li、Mn、Mo、Ni、P、Pb、Sb、Se、Sn、Ti、Tl、Zn23种元素进行分析测定。
- high Cr alloy straigthening roller 高铬合金矫直辊
- F can promote the emission of Pb,Cd,Zn and Cu. 氟会促进Pb,Cd,Zn和Cu的逸放。
- Nano - crystalline Fe - Cr alloy 纳米Fe-Cr合金
- Cu,Fe and Zn have no obvious relevance to age. 血铜、铁、锌含量不存在显著年龄相关性。
- Keywords Cu Zn deposit;ore control feature;prespecting criterion;Qingyuan area; 铜锌矿床;控矿特征;找矿标志;辽宁清原;
- Cu 5.36 PPM, Zn 26.78 PPM, Pb 0.242 PPM, CA 0.032 PPT, Hg 0.007 PPM; Cr 0.187 PPM (wheat grain). 小麦耔粒Cu 5.;36ppm、Zn 26
- The chemical symbol for copper is "Cu". 铜的化学符号是Cu。
- The content of essential metals such as Zn and Cu are higher than unessential metals as Hg,Cd,Pb,Cr,Ni,etc. 蔬菜必需元素锌、铜含量比汞、镉、铅、铬、镍等非必需元素含量高。