您要查找的是不是:
- Alloys with media silver content, appropriate melting temp. And low cost. Suitable for joints with bigger surface. 含银量较低、熔点适中,成本较低。适于焊接较大接触面的工件。
- This paper studies the preparatory technology of the industrial X-ray film fordropping its silver content. 改进了胶片的制备工艺,提高了工业x光胶片的感光度,降低了涂布银量。
- For example, say a silver coin has value $10 and its silver content and cost of manufacture is only 50 cents, then seigniorage is $9.50. 例如,面值10美元的银币,其含银量和铸造成本仅为50美分,于是铸币税为9.;5美元。
- Alloys with a high silver content, small melting range, excellent capillarity and fluidity.Used for brazing thin joints such as diaphragms, thermostats, electrical equipment, etc. 含银量高、熔点稳定,具有优异的渗透性和流动性,适于焊接薄膜、温控、电器装置等接触面小的工件;
- By pretreatment with combustion method and determination with silver titration, accurate analysis of the silver content in silver supported activited carbon was obtained. 采用灼烧法预处理,银量法滴定来测定载银活性炭的载银量,获得稳定而准确的分析结果。
- The technical indexes of seven kinds of flaked silver-coated copper powder with different silver content were listed, and all the powder was obtained by method of replacement in com. 列出了某单位采用置换与化学沉积复合技术制备的7种不同银含量的片状银包铜粉的技术指标。
- As proved by study on chemical compositions,thermoelectricity and micro-elements compositions of galena,it is another important mineral with rich gold and silver contents except pyrite. 对方铅矿的化学成分、热电性和微量元素组成的研究表明,方铅矿是除黄铁矿外的另一种重要的富金、银矿物。
- " Gold, Palladium alloys--Determination of silver content" GB/T15072.;5-1994贵金属及其合金化学分析方法金、钯合金中银量的测定
- Acid had pitted the surface of the silver. 酸把银器的表面腐蚀了。
- She wore a silver chain around her neck. 她脖子上戴着一条银项链。
- They have some sterling silver cutlery. 他们有一些标准纯银餐具。
- He put the candle on the silver candlestick. 他把蜡烛放在银烛台上。
- Teaching content should be concise. 教学内容要少而精。
- Workers are removing impurities from silver. 工人们正去除银中的杂质。
- He found the chest to contain silver coins. 他发现那囗箱子装着银币。
- She won a silver trophy for shooting. 她在射击比赛中获得银奖。
- The burglars made away with all our silver. 窃贼带着我们所有的银子逃走了。
- He is quite content with his present fortune. 他对自己目前的境遇颇为得意。
- His black hair was threaded with silver. 他的黑发中夹杂着银发。
- The Silver Age came next, inferior to the golden. 接下来的是逊于黄金时代的白银时代。