Copper alloys are another major category of copper-containing composites. An alloy is a combination of metals combined with one or more other elements such as copper-zinc alloy, copper-gold alloy, and copper-titanium alloy. Copper is often combined with other metals by sintering. For example, ...
Tools & Home Improvement Raw Materials Maintenance, Repair & Operations
Gold 关于金的英文介绍 Gold is a dense, soft, shiny, malleable, and ductile metal. 黄金是一种密度高,柔软,有光泽,有延展性,和韧性的金属。It has a bright yellow color and luster traditionally considered attractive, which it maintains without oxidizing in air or water. 纯金的亮黄色在...
A composition for jewelry contains, % by weight: gold - 37-75, silver - 2-30, nickel and zinc in the form of addition alloy with a ratio of 1 : 0.3-3.0 at an amount of 0.02-0.4, copper is the rest. Technical result - mechanical and consumer properties are improved.PROKOPENKO ...
In most ancient cultures gold was popular in jewellery and art because of its value, aesthetic qualities, ductility and malleability. Electrum (the natural alloy of gold and silver) was used in jewellery by the Egyptians from 5000 BCE. Gold jewellery was worn by both men and women in the Su...
au alloy XAU alloy GOLD alloy gold Gold (Gold) is the elemental form of the chemical element gold (Au), which is a soft, golden yellow, and corrosion-resistant precious metal. Gold is one of the rarer, more precious and highly valued metals. In the world, gold is g...
Gold - Element, Precious Metal, Jewelry: Gold is one of the densest of all metals. It is a good conductor of heat and electricity. It is also soft and the most malleable and ductile of the elements; an ounce (31.1 grams; gold is weighed in troy ounces) c
Noun1.18-karat gold- an alloy that contains 75 per cent gold alloy,metal- a mixture containing two or more metallic elements or metallic and nonmetallic elements usually fused together or dissolving into each other when molten; "brass is an alloy of zinc and copper" ...
It is made of gold alloy aluminum 翻译结果5复制译文编辑译文朗读译文返回顶部 It makes by the golden color aluminum alloy 相关内容 aYour account has no devices yet. 您的帐户没有设备。[translate] aOnce there's a person called ssay. ssay has signed on at a company called G**GLE but doesn...
specifically where the calcium is an additive for a bath as defined for (I); (2) a method for production of dental prosthetic shaped articles by electrodeposition of gold or gold alloys, involving deposition of a layer of gold or gold alloy from a bath (I) onto a substrate (e.g. a ...