1) jewellery gold
首饰黄金
2) Gold jewelry
黄金首饰
1.
According to the investigation of the gold jewelry market in the form of questionnaire and inquisition of trial, the contrast of gold and platinum jewelry ,a series of related policy promulgating by the government and the influence caused by the variety of dress and jewelry field ,we analyze the gold jewelry market and predict the future of the market .
通过对黄金首饰市场进行问卷形式与跟踪形式的调查研究,并将黄金首饰与铂金首饰进行对比,以及依据国家出台的一系列有关的政策、服饰与首饰界潮流的变化对首饰行业的影响等因素,对黄金首饰市场进行分析研究,并预测未来黄金首饰市场的走势。
3) gold and jewelry
黄金珠宝首饰
1.
Objective To investigate the situation of occupational diseases caused by the gold and jewelry processing in Yantian and make sure the focus of occupational diseases preventing, curing and the precautionary measures.
目的掌握深圳市盐田区黄金珠宝首饰加工业职业病危害现状,确定该行业职业病防治重点及预防措施。
4) gold jewelry market
黄金首饰市场
1.
According to the investigation of the gold jewelry market in the form of questionnaire and inquisition of trial, the contrast of gold and platinum jewelry ,a series of related policy promulgating by the government and the influence caused by the variety of dress and jewelry field ,we analyze the gold jewelry market and predict the future of the market .
通过对黄金首饰市场进行问卷形式与跟踪形式的调查研究,并将黄金首饰与铂金首饰进行对比,以及依据国家出台的一系列有关的政策、服饰与首饰界潮流的变化对首饰行业的影响等因素,对黄金首饰市场进行分析研究,并预测未来黄金首饰市场的走势。
5) gold jewel
纯金首饰
1.
The emulation jewels made of alloy or adorned with man made gems are superior to pure gold jewels in colour,variety and style.
以金合金为基体材料或镶嵌各种人工合成宝石而加工制作的K金首饰在颜色、品种、款式等方面都优于纯金首饰,并随着设计及加工工艺水平的不断提高,K金首饰以其个性化、艺术化的创意在市场的份额越来越大。
6) emulation jewel
K金首饰
补充资料:废旧首饰中铂族金属回收
废旧首饰中铂族金属回收
recovery of platinum group metal from jewelry scrap
fe,J iu shoushi zhong bozu Jinshu huishou废旧首饰中铂族金属回收(reeovery of pla-tinum group metal from jewelry serap)从废旧首饰中进行铂族全属再生的过程。铂首饰主要使用含铂90%的铂基合金,如R一10Ir、R一SRu等。全世界首饰用铂逐年增加,199。年占铂消耗量的37.3%。旧首饰较为纯净,无需经过复杂的处理即可重新加工成首饰出售。首饰制作过程中产生的边角料和粉尘,杂质少,回收工艺也较简单。这些废料通常经熔炼、溶解使铂族金属和杂质分离后,送铂族金属精炼产出纯金属。熔炼铂铱合金废料时常需添加锌(或锡)进行碎化后再溶解,再按合金废并中铂族金属回收方法处理。含钉首饰废料用王水溶解,氧化蒸馏法分离钉和铂(或把),四氧化钉蒸气用盐酸加乙醇吸收后,用氯化按沉淀,所得(NH;)3RuCI。在氢气中锻烧得海绵钉。蒸馏残液中的铂或把用铂精炼或把精炼方法回收。 (李关芳)
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条