He wanted to plate copper with silver.
他想给铜容器镀银。
The craftsman plated copper with silver.
工匠给铜镀银。
Futures contracts held by speculators were up 12 percent in 2010 through October, with sharp increases in bullish bets on crude oil, copper and silver.
由于笃定原油，铜，白银看涨，投机者手中持有的期货合同到2010年10月份上升了12%。
When it first opened last year, the Rapu-Rapu mine, with big reserves of gold, silver, copper and zinc, was the country's first foreign-run mine in nearly 40 years.
拥有大量金银铜锌储备的拉普—拉普矿井在去年首开，是该国在近40年来，首个由外商经营的矿井。
The rotating contacts are made with copper or silver sheet and have rectangular shape glued on the wheel.
旋转接触与铜或银板，并有长方形胶结对车轮。
The silver coinage was repeatedly debased with copper vellon.
银币一再用铜币维隆来替代，实行贬值。
Silver is positively correlated with copper in ores and is absent in galena.
矿石中银与铜呈明显正相关关系，而方铅矿中不含银。
The relationship between the surface's unit resistance of the film with contents of silver plated copper powder and its particle size, and the contents of coupling agent were studied.
分别研究了漆膜表面单位电阻与镀银铜粉的含量及其粒径以及钛酸酯偶联剂的含量之间的关系。
Superfine copper powders can be used as the electronically conductive adhesives, ceramic materials and catalyst, and have shown a good application prospect instead of silver with copper in industry.
超细铜粉在以铜代银并在电子浆料、陶瓷材料和化工催化剂等材料的制备中具有较好的应用前景。
Also, sterling silver is alloyed with copper which is easy to be oxidized and to cause oxide inclusion.
斯特林银主要以铜作为合金化元素，容易氧化形成夹杂。
Located in Mengzi county, Yunnan province, Bainiuchang deposit is a super-large poly-metal deposit with silver, lead, zinc, tin and copper.
白牛厂银多金属矿床，位于云南省蒙自县老寨乡白牛厂村，是一个以银、铅、锌、锡、铜金属为主的超大型矿床。
If the fluid reacts with active metals, such as silver and copper alloys, pump and valve designs must change.
如果流体与活泼金属(例如银铜合金)发生反应，那么必然改变泵和阀的设计。
With the increase of copper oxide content in silver matrix, the density and the electric conductivity of AgCuO materials tended to decrease.
两种方法制备的银氧化铜材料随着氧化铜含量的升高，材料的致密度、导电性均呈下降趋势。
With copper ring instead of silver ring, this collector is fully reliable for measurement and able to largely reduce its manufacture cost.
它以铜环取代了银环，测试效果完全可靠，并大大降低了集电器的制造成本。
The pretreatment of silver concentrate with high arsenic, antimony and copper is followed by in-pulp electrolysis, the leaching rate of silver is over 95%.
富含砷、锑、铜的银精矿先经过预处理，再进行矿浆电解，银的浸出率达到95%以上。
Niello: Black metallic alloy of sulfur with silver, copper, or lead, used to fill designs that have been engraved on the surface of a metal object, usually of silver.
黑金镶嵌：银、铜或铅的硫化黑色合金，用来镶嵌金属(通常是银)表面雕刻的图案。
In general, all the metals are good conductors, with silver the best and copper the second.
一般说来，金属都是良导体，其中以银为最好，铜次之。
Copper pans should be lined with silver, nickel, or tin.
铜盘的内面应涂上一层银、镍或锡。
In this paper, the study on making cupric sulfate with high arsenic bearing copper concentrate and the recovery of gold and silver are introduced.
介绍了以高砷铜精矿为原料，进行制取硫酸铜并回收其中金银的研究。
Indium, copper and silver can be recovered from industrial wastes containing indium, copper and silver by dissolving with acid-removal indium by hydrolyzing - precipitating silver by chlorination.
对含铟铜银废料以酸溶—水解除铟—氯化沉银工艺处理，可分离出铟、铜、银。
Shenzhen Zen alluvial gold velvet with gold, silver and copper as raw material, the electric casting is hollow, some manufacturers use is resin embryoid body, process and value will vary.
深圳天禅绒沙金采用的是金银铜为原材料，电铸件是空心的，有些厂家采用的是树脂的胚体，工艺和价值都会有所不同。
Gold and silver were beginning to be used for ornament and decoration, and must already have acquired a high value as compared with copper and bronze.
金和银已开始用于首饰和装饰，其价值肯定已比铜和青铜高。
It could plate gold, silver, nickel and copper on any metal material, which shall reduce the cost with better effect.
可在任意金属材料上做镀金、镀银、镀镍、镀铜，降低了成本，效果更好。
The decks were soon covered with colourful rugs from Persa, silk from India, copper coffee pots, and beautiful hand-made silver ware. It was difficult not to be tempted. ……
很快甲板上便布满了波斯的彩色毛毯、印度的丝绸、铜咖啡壶以及美丽的手工制作的银器。对此不动心是很困难的。
The mineral conponents include kroeberite, blucite and towanite with copper, nickel associated with gold, silver, platinum, palladium, cobalt and sulfer.
有用元素除铜、镍外，尚伴生有金、银、铂、钯、钴、硫可综合利用。
Flat handle needle: the handle is made of cooper or stainless steel with traditional technics. The copper handle includes two kinds of trpes: passivation and silver-coated in the surface.
平柄针：针柄采用传统工艺制作，分铜柄和不锈钢柄两种，铜柄表面有钝化和镀银两种。
After more surges, the silver completely melted away, leaving only the tungsten core with its thin copper plating.
更多浪涌后，银板完全熔化，只留下带薄铜板的钨核。
It is interesting that these are copper COINS covered with silver.
这些是被银盖住了的铜硬币是有趣的。
Diaoquan silver copper ore deposit is a large scale subvolcanic type deposit with gold as by product.
刁泉银铜矿是一个伴生金的大型次火山岩型矿床。
This twin medallion includes two pieces with a diameter of 40mm, one made of gold-plated copper and the other of silver-plated copper.
此枚纪念章共2枚，铜质镀金和铜质镀银各一枚，规格为直径40毫米。
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