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Automotive catalytic convertors and the PGM recovery issue Since the mid-1970s, the demand for PGM use in automotive catalytic converters has become the dominant market for platinum and rhodium.

汽车催化转化器和铂族金属回收问题自1970年代中期以来,铂族金属的需求使用车用催化器已成为主导市场的铂

These gothic cufflinks are cast from heavyweight metal alloy and coated with rhodium for a lasting tarnish-free shine.

为了使其持久的保持光泽,在合金部分镀了一层,边长1.8厘米。

In this thesis, synthesis of fluoroalkyl-containing heterocycles from rhodium acetate catalyzed reactions of fluorinated α-diazo-β-ketoestes were studied in detail.

本论文系统地研究了氟烷基和二氟亚甲基取代的α-重氮羰基化合物的合成及其在醋酸催化下的反应。由此合成了一系列氟烷基和少氟取代的杂环化合物。

The recoveries of rhodium by lead and nickel sulfide fire assay were 81.5%±1.2% and 75.1%±3.9%, respectively, and the latter was proved to be independent on matrices of chemical standards and geological standard materials.

铅试金法的流程回收率( n =4)为81.5%±1.2%;镍锍试金法的流程回收率( n =6)为75.1%±3.9%,对简单化学标准和地质标准物质基体,的回收率相近。

The torch relay lantern is made of 1000g fine silver plated by rhodium with a specification of 45mm×45mm×233mm, which is of the half size of the original and hangs in the propitious gate frame made of gold-plated alloy and wood conveying traditional Chinese culture.

以1000克足银精工制造,表层镀;火种灯悬挂于具有中华民族传统文化的吉祥门灯座上,吉祥门灯座为合金镀金和木材组合。

The company integrates production and sales in the one-stop, operates mainly in the following items and product one, precious metal chemical raw materials: Rhodium powder, palladium powder, iridium powder, ruthenium powder, platinum powder, gold powder, rhenium powder, osmium powder, silver bullion, silver grain, Yang Polar silver plate, palladium chloride, 59.5%, ammonium chloride, palladium 50.3%, K Wong, fill port, K White fill port, 925 silver fill port, K gold solder films and so on.

公司集生产与销售于一条龙,主要经营以下项目与产品一、贵金属化工原料:粉、钯粉、铱粉、钌粉、铂粉、金粉、铼粉、锇粉、银锭、银粒、阳极银板、氯化钯59.5%、氯化铵钯50.3%、K黄补口、K白补口、925银补口、K金焊片等。

Solid metal gothic cufflinks coated with a gleaming and hard-wearing rhodium finish.

坚实的金属的最后一层镀有,可保持光亮。

By using Rh Kα compton scattered radiation as internal standard and mathematical correction, the matrix effect has been eliminated successfully for some elements.

为了克服基体效应,对某些元素采取了靶Ka线康普顿散射强度比值法和数学校正法联合校正,成功地克服了基体的影响。

This Slide Pendant is Solid Sterling Silver Rhodium Plated and Hand Inlaid with Synthetic Blue Opal and accented with small Cubic Zirconia Stones.

这张幻灯片是实心纯银吊坠镀的合成和手镶嵌蓝色蛋白石和重音与立方氧化锆石小。

Generally the catalysts have high activity and good selectivity. At present the coupling reactions of organoborahes with terminal olefins s acid chlorides and aryl halides play an important synthetic approaches in organoborane chemical. The catalysts can be used by many kinds of organometal compounds such as: irons cobalt nickel ruthenium rhodium palladiums titaniums zirconiums tins indium and lithium organic compounds; The achievement has been amazed in preparing of unsaturated or saturated compounds and in synthesizing of natural products bioactive molecules and chiral compounds.

目前,卤代烃与不饱和烃的偶联反应和有机硼试剂与酰卤和卤代烃的偶联反应已成为有机合成的研究热点,此类反应可用铁、钴、镍、钌、、钛、锆、锡、铟、锂等多种有机金属化合物来催化,用于形成含饱和或不饱和C-C键的化合物,并已在天然产物、液晶、具有生理活性物质和手性化合物的合成中应用。

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The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应,而且减少跟风的可能性。

The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.

聚光:照片上是建在西班牙桑路卡拉马尤城的一座新型PS20塔式太阳能电站。被称为&日光反射装置&的镜子将太阳光反射到主塔,然后用聚集的热量产生蒸汽进而通过涡轮机转化为电力