Efficient separations of platinum metals from each other are quite difficult and complicated.
铂族元素的相互分离相当困难和复杂。
The progress of titrimetric analysis of platinum metals at home and abroad since 1980 has been reviewed.
评述了1 980年以来国内外铂族金属滴定分析进展。
In China, it is more prominent, about 86% amount of nickel, 90% amount of platinum metals, 7.3% copper comes from nickel-copper sulfide magmatic deposits.
我国的情况更为突出，镍金属储量近86%、铂90%以上、铜约7.3%均来源于铜镍硫化物岩浆矿床。
Solvent extraction technique has been widely used in the recovery of platinum metals from secondary resources due to its strong extraction and separation ability.
溶剂萃取技术作为一种有效的提取分离方法在铂族金属二次资源的回收中得到广泛重视。
The development of analysis of platinum metals in catalysts in China was reviewed, and the sampling and dissolution of samples were introduced with 83 references.
本文专门评述国内关于催化剂中铂族元素的分析，并介绍催化剂的取样和试样分解。
The process of recovering noble metals from carbonyl metallurgical residue includes separating out base metal, leaching out Au, Ag and platinum metals and producing rare noble metal concentrate.
一种回收羟化冶金残渣中贵金属的方法，涉及一种从羰化合成残渣中分离贱金属，浸出分离金银及铂族金属，产出稀有贵金属精矿的方法。
The key component is made from the metal cerium, which is almost as abundant as copper, unlike other rare and expensive metals frequently used as catalysts, such as platinum.
其核心部件是由金属铈制成，这种金属与铜一样储量广泛，而不像其它通常被用作催化剂的金属那样稀有和昂贵，例如铂。
That iron carried with it a slew of iron-loving metals, including gold and platinum.
铁下沉的同时也带走了大量亲铁金属，包括金和铂。
It is used as a catalyst and to harden those other similar metals, platinum and palladium.
它被用作催化剂，也用于硬化其他相似金属，如铂，钯。
While Moon Express might initially make money by sending small payloads, the big fortune would come from bringing back platinum and other rare metals, Dr. Pell said.
月球快递可能首先通过运送点小货物来赚钱，但长远来看，从月球带回铂金和其他稀有金属才能赚大钱，Pell博士说。
Platinum and gold are precious metals.
铂和黄金是贵重金属。
While it is the strongest of jewellery metals, platinum can still scratch with everyday wear.
虽然它是最强的珠宝金属，每天穿同白金仍可抓伤。
Its most familiar compound is hydrogen sulfide, a poisonous gas that smells like rotten eggs. All metals except gold and platinum form sulfides, and many ores are sulfides.
最常见的一种化合物是硫化氢，是一种具有臭鸡蛋气味的极毒气体。除了金和铂以外，所有的金属都能跟硫化合生成硫化物，许多矿物就是这种硫化物。
From then on, the situation of China's long time dependence on import for nickel, cobalt and platinum family metals has been changed gradually.
从此以后，逐步改变了中国镍、钴及铂族金属长期依赖进口的局面。
In this paper, based on leaching process behaviors of platinum-group metals (PGMs) the lately progress in pressure hydrometallurgy of Cu-Ni sulfide ores containing PGMs was presented.
本文以加压湿法冶金处理含铂族铜镍硫化矿过程中铂族金属的行为为主线，介绍了该领域的最新研究进展。
Metals commonly mixed with gold are nickel, platinum, and copper.
通常与金混合的金属有镍、铂和铜。
The progress in linear chain clusters of low-valent platinum group metals is briefly reviewed.
本文就有关线性低价铂系金属簇合物的研究进展作一简述。
Recovers approximately 20 metals including: gold, silver, platinum, rhodium and palladium.
回收品种涉及20多种金属，包括：金、银、铂、铑、钯。
A mineral that is a natural alloy of osmium and iridium with small inclusions of platinum, rhodium, and other metals, used in needles and wearing points.
铱锇矿一种矿石，是少量铂、铑及其他金属矿石的铱锇的自然合金，用于制造针头和耐磨尖端。
Gold, silver and platinum are precious metals.
金、银、白金是贵金属。
South Africa natural resources worth 20.3 trillion RAND, and 60 kinds of minerals have been found and the reserves of platinum group metals, gold and fluorite are the first of the world.
南非自然资源总价值约20.3万亿兰特，国内已发现矿产60多种，铂族金属、金、萤石储量世界第一。
The spent auto-catalysts containing platinum-group metals(PGMs) is one of the important and valuable secondary resources.
废汽车催化剂已成为铂族金属重要的二次资源。
The platinum palladium mine at somewhere in Yunnan province is so far China's revealed the largest independent platinum group metals ore deposit.
云南某地铂钯矿是迄今已探明的中国最大的铂族金属矿床。
A noteworthy factor in the photocatalysis process is the recovery of precious metals, including: platinum, gold, rhodium, silver and palladium.
在光催化过程中一个值得注意的因素是贵金属的回收，包括：铂，金，铑，银和钯。
A noteworthy factor in the photocatalysis process is the recovery of precious metals, including: platinum, gold, rhodium, silver and palladium.
在光催化过程中一个值得注意的因素是贵金属的回收，包括：铂，金，铑，银和钯。
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