查询词典 copper coin

This paper investigate occurrence characteristic s of copper,lead,zinc,aurum,silver,molybdenum in the ore from the Yuejingou copper polymetallic deposit,based on microprobe observation and electron microprobe analysis.

利用显微镜与电子探针对西藏拉萨跃进沟铜多金属矿床矿石进行了观察与分析，查明了矿石中Cu，Pb，Zn，Au，Ag，Mo等成矿元素的赋存特征。

This paper investigate occurrence characteristics of copper,lead,zinc,aurum,silver,molybdenum in the ore from the Yuejingou copper polymetallic deposit,based on microprobe observation and electron microprobe analysis.

利用显微镜与电子探针对西藏拉萨跃进沟铜多金属矿床矿石进行了观察与分析，查明了矿石中Cu，Pb，Zn，Au，Ag，Mo等成矿元素的赋存特征。

Have a size and precision automatic lathe, all kinds of Equipment matching complete, Machinable material has Stainless Steel, Titanium, Copper, copper, aluminum and iron.

拥有大小精密自动车床、各种设备配套齐全，可加工的材料有不锈钢，钛，磷铜，铜，铝，铁。

Our long-production a variety of bare copper, tin wire, copper Baolv, enameled wire.

本厂长年生产各种规格的裸铜丝，镀锡丝，铜包铝，漆包线。

Copper Clad Steel base metal and copper Baolv in the production of integrated enterprise.

铜包钢母材及铜包铝于一体的生产型企业。

The present invention can obtain copper depositing rate as high as 97 % and may be used widely in high-purity copper preparation.

按照本发明所制备的铜的沉积率＞97％。因此可广泛应用于制备高纯铜的技术领域。

According to the results of this study and previous analyses, it is found that Pb concentration may be used to distinguish native copper in North America and historical European smelted copper.

更重要的是，根据本实验及前人的分析结果，我们发现铅含量可作为判断北美自然铜与欧洲冶炼铜的一个有效标准。

Goods whose export is banned by the State, including natural bezoar, musk, copper and copper-based alloys and platinum etc.

国家禁止出口的货物。包括天然牛黄、麝香、铜及铜基合金、白金等

We present a simple approach to determine the content of casein in crosslinked polyacylamide, i. e., protein molecules are complexed with copper ions by biuret reaction. The polymer containing proteins is cinerated at high temperature and then the residue is dissolved into nitric acid. Protein content is measured by determining concentration of copper ion in nitric acid solution using atomic absorption spectrum.

本文提出了一种在交联聚丙烯酰胺中测定酪蛋白的简便方法，即：利用双缩脲反应使蛋白质与铜离子络合，含蛋白质的聚合物在高温下灰化，残留物溶于硝酸，通过用原子吸收光谱测定硝酸溶液中的铜离子浓度来测量蛋白质的含量。

The viscosity and surface tension of blister copper and copper matte decreased with temperature.

随熔炼温度升高，铜锍和粗铜粘度和表面张力下降，渗透加剧。

Methods Clinical data of 3 cases of bile duct injury during laparoscopic cholecystectomy were analyzed retrospectively.

回顾总结3例LC术中胆管损伤的临床资料，分析3例胆管损伤的原因及对策。

These techniques are applied to the gobang.

本文将这些技术用于五子棋中。