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- platinum metals deposit 铂旋矿床
- The progress of titrimetric analysis of platinum metals at home and abroad since 1980 has been reviewed. 评述了1980年以来国内外铂族金属滴定分析进展。
- Platinum metals are important stratagic metals,the world has attached more and more importance to it. 铂族金属是重要的战略物资,越来越受到世界各国的重视。
- Solvent extraction technique in the refining of platinum metals has many obvious advantages over the traditional precipitation method. 铂族精炼中的溶剂萃取法比传统的沉淀法具有许多优点。
- 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%25、铂90%25以上、铜约7.;3%25均来源于铜镍硫化物岩浆矿床。
- In this paper,methods for separation and concentration of platinum metals are reviewed,and merit and shortcoming for each method are apprised.38 references are cited. 综述了铂族元素的分离富集方法,评价了各种方法的优、缺点。引文38篇。
- In this paper,the main characteristics of platinum metals and the state quo of applications and their researches and development for broad application are sketched out. 本文概述了铂族金属的主要特性及在各个领域研究应用的状况,综述了铂族金属现代制备加工的主要工艺和手段,同时也提出了铂族金属发展的方向。
- Its theory and technique is outlined briefly in the article with several application cases of metal deposit prospecting. 概述了其理论基础和方法技术,并列举了该方法在多个金属矿上的应用实例。
- Chemical vapor deposition technique(CVD)is available to making highadherent,dense(non-porous)and fine grain platinum metals coatings on the surfaces of refractory metals such as Mo,Re and W et al . 化学气相沉积 (ChemicalVaporDeposition ,CVD)技术可用在高熔点金属如Mo、Re、W等表面制备结合力好的铂族金属涂层。
- It is also an important concentration area of rare metal resourc es, where the Jiajika rare metal deposit is the largest pegmatite-type Li-po lymetal deposit in China. 青藏高原东部是中国仅次于新疆阿尔泰的伟晶岩集中产出的地区之一,也是世界上重要的伟晶岩型稀有金属矿产资源产地,其中的甲基卡矿床是中国最大的伟晶岩型锂多金属矿床。
- Metal deposit environmental pollution originates from the oxidation and decomposition reaction of metal sulfides , particularly pyrite(FeS 2) and pyrrhotite (FeS). 金属矿山环境污染源于金属硫化物特别是黄铁矿、磁黄铁矿的氧化分解。
- Development of FIA in Platinum Metals Analysis 铂族元素的流动注射分析新进展
- Platinum Metals Chemical Vapor Deposition 铂族金属化学气相沉积
- More beguiling perhaps are metal deposits (see article) and energy reserves. 更有趣的是金属矿床和能源储备。
- The poly metallic deposit occurred in the Erlangping ophiolite of eastern Qinling Mountain was regarded as volcanogenic type. 二郎坪群蛇绿岩中多金属矿床属火山成因块状硫化物矿床。
- The concentrations of heavy metals deposited in lichens decressed with the samples having longer distances from the pollutio... 根据累积浓度不同,可以推测当地的空气质量。
- The concentrations of heavy metals deposited in lichens decressed with the samples having longer distances from the oollution centre. 根据累积浓度不同,可以推测当地的空气质量。
- acetylacetonate platinum metal organic complex 乙酰丙酮铂族金属有机配合物
- Platinum is used to make jewelry. 白金常常用来做珠宝饰物。
- In addition, the checking of the 3D visualization techniques was completed based on the borehole data of a metallic deposit in Inner Mongolia, and the effects prove to be satisfactory. 最后,以内蒙古某金属矿床钻孔资料为例,对建立的三维可视化方法技术进行了应用检验,取得了较好的应用效果。
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries