Ten typical formulas and some kinds of additives used for cyanide-free silver plating were introduced.
综述了十种典型的无氰镀银工艺配方和无氰镀银所采用的添加剂类型。
A method is proposed to determine free native silver and free silver sulphide in lead-zinc concentrate.
拟定了分离测定铅锌精矿中游离硫化银和游离自然银的方法。
The process of cyanide-free silver pulse electroplating is investigated in 5,5-dimethyl hydantoin(DMH) bath.
研究了5，5-二甲基乙内酰脲（DMH）无氰脉冲镀银工艺。
The defeat of the silverities in the Presidential election of 1896 marked the fall of the free silver movement.
布赖恩白银党在1896年大选中的失败，标志着自由银运动的衰落。
The lead free silver conducting pastes were prepared by using silver powder, lead free low-melting glass and terpineol ethyl cellulose solution.
以银粉、低熔无铅玻璃和乙基纤维素松油醇溶液制备了无铅银导电浆料。
The Concorde was designed for the well-off: Onboard amenities included free champagne, food served on Wedgwood China and silver cutlery.
协和飞机是为繁盛年代设计的：机上的附赠包括免费的香槟、用威德伍德瓷器盛放的食物和银制的刀叉。
NIA is very pleased that for the first time in many years, silver prices appear to be trading based on free market forces and not the manipulation of JP Morgan.
NIA非常高兴，因为许多年来白银的价格第一次看上去由自由市场的交易决定，而不受JP摩根的操纵。
However, after choosing it, the subject would find a silver lining: "With a broken leg, I will be able to lie in bed watching TV, guilt-free.
比如说，腿部骨折，在把它选出来前被认为是“可怕的”，然而在选中之后，这个主题就找到好的一面了：“断了条腿，我就可以毫无罪恶感地躺在床上看电视了。”
These compounds are soluble in water, and contains the hemiacetal hydroxyl free, so in alkaline solution can reduce silver ions and copper ions.
这些化合物能溶于水，并含有游离的半缩醛羟基，所以在碱溶液中能还原银离子和铜离子。
Only metals which exist as free elements can be extracted by physical methods. These metals include gold and silver.
只有以自由态的形式存在于地壳中的金属才可以用物理方法来提取，这些金属包括金和银。
Applications for free standard membership are welcome. You can also apply for Silver, Gold or Platinum membership at reasonable charges to enjoy more benefits and professional services.
欢迎申请成为我们的免费会员。您也可以申请成为我们的银卡、金卡和白金会员享受更多的优惠和专业服务。我们的收费标准是非常合理的。
The SCO in part changed that and now they and the public are winning the war for a fair and free gold and silver market.
上海合作组织部分改变那一切，和现在它们及大众打赢一仗，为公平和自由的黄金和白银市场。
The gold medals are free from mercury, the silver and bronze medals are made from 30% recycled materials, and half of the plastic in their ribbons is from recycled plastic bottles.
金牌不含汞，银牌和铜牌所用的材料有30%是再生材料，奖牌绶带所用的塑料有一半来自回收的塑料瓶。
As proved by the experiments, a number of free electrons and holes are existed in the unexposed silver halide emulsion micro-crystals. These factors are all essential to the fog center formation.
实验表明，在未经光照的卤化银乳剂微晶体中存在着一定量的自由电子和空穴，这些因素为灰雾中心的形成提供了必要的条件。
White tea especially white hair silver needle has high contents of free amino acids and active antioxidants with catechin in its tea polyphenols.
白茶，特别是白毫银针，富含多种氨基酸和抗氧化剂-茶多酚中的儿茶素。
White Tea, especially White Hair Silver Needle, has high contents of free amino acids and active antioxidants with catechin in its Tea Polyphenols.
白茶，特别是白毫银针，富含多种氨基酸和抗氧化剂-多酚中的儿茶素。
The skeleton of a silver fox consists of skull, and bones of trunk and free members.
银黑狐的骨胳由头骨、躯干骨和四肢骨组成。
Shenzhen state - owned duty - free gold & gems co . , ltd . is mainly involved in the sales of gems , jade ornaments , platinum products , timepieces , glasses , crafts , gold and silver pearls.
国有免税黄金珠宝有限公司主要经营珠宝、玉石首饰、铂金制品、钟表、眼镜、工艺美术品、金银饰品零售等。
The invention relates to a technology for leaching silver from ores with ammonia free thiosulfate solution.
本发明是无氨硫代硫酸盐溶液从矿石中浸出银的工艺。
JP-2000 192279, Cyanide-free electroplating bath for silver and silver alloy coating, using fatty sulphurous compounds that are stable for a relatively long time.
本文介绍了国内无氰镀银研究情况，部分翻译了日本专利特开2000-192279，介绍银及其合金的无氰电镀液组分及工艺，镀液比较稳定。
Silver 40% (with Sn) , Silver 30% with Sn are free flowing alloys for ferrous, non-ferrous and dissimilar metals with good fluidity.
Ag40%Sn、Ag30Sn钎料在钢铁、有色金属、异种材料的钎焊时拥有良好的流动性。
Silver 40% (with Sn) , Silver 30% with Sn are free flowing alloys for ferrous, non-ferrous and dissimilar metals with good fluidity.
Ag40%Sn、Ag30Sn钎料在钢铁、有色金属、异种材料的钎焊时拥有良好的流动性。
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