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- Rhenium is a rare disperses noble metal. 铼属于贵重稀散金属,对分析要求较高。
- rare noble metals 稀贵金属
- rare noble metal [化] 稀有贵金属
- Ningbo Noble Metal Products Co., Ltd. 宁波江北诺宝金属制品有限公司。
- This review summaries the application of ion exchangers in the separation and determination of alkali metals, alkali-earth metals, noble metals, rare earth elements and actinoid. 离子交换剂在萃取色谱中得到了广泛的应用，本文详细总结了离子交换剂在分析化学中用于碱金属、碱土金属、贵金属、稀土元素、锕系元素等的分离与测定。
- The necessity and possibility of replacement of noble metals by rare earth elements in the automobile exhaust catalyst control technology were elucidated. 阐述了汽车尾气催化净化工艺中用稀土代替贵金属的必要性和可能性。
- THE MEDIUM-RELATED SURFACE OPTICAL PROPERTIES OF NOBLE METAL FILMS? 贵金属薄膜与介质相关的表面光学特性研究?
- The combination of refractory and noble metals in a single layer makes etching a formidable task. 难熔金属和贵金属组合的这一层薄膜使刻蚀成为一个艰巨任务。
- The Manzhouli area is an important metallogenic province of nonferrous and noble metals. 满洲里地区为一重要的有色金属、贵金属成矿区。
- Iridium probably does not occur uncombined in nature but it is found in natural alloys with other noble metals. 自然界中可能不存在纯铱,通常和其它贵金属共生于天然合金中。
- The dosage of noble metals in TWC of CNG vehicle was greatly decreased, and higher purification efficiency for the exhaust was obtained. 天然气汽车三效催化器中贵金属用量大大降低，保持了较高的废气净化效率。
- The luminol chemiluminescence reactions on noble metals and their applications in analytical chemistry are reviewed with 18 references . 对鲁米诺体系中有关贵金属的化学发光反应及其分析应用作了评述,主要参考文献18篇。
- Ni catalysts modified with trace noble metals are excellent catalysts for the autothermal reforming reaction of methane to produce synthesis gas. 因此，微量贵金属修饰的镍基催化剂是甲烷临氧自热重整制合成气反应的优秀催化剂。
- Abstract: Sampling, sample preparation and sample pretreatment method for electroplating sludge contained noble metals has been prepared, and related topics discussed. 文章摘要: 介绍了含贵金属电镀污泥的样品采集、制备和预处理方法，并对有关问题进行了讨论。
- The noble metals (Au and Ag) with many special physical and chemical characteristics have been widely used in catalysts, energy, photoelectronics and biology. 摘要贵金属金银纳米颗粒具有许多独特的物理、化学性质，其广泛应用于催化、能源、光电子和生物等领域。
- The Nanling region is the most important nonferrous metallic,rare metallic,REE and noble metallic base of South Chian and one of the key survey area during the national tenth five-year plan. 南岭地区是我国南方有色、稀有、稀土和贵金属矿产的重要资源基地,是“十五”期间国土资源大调查矿产资源调查评价工作重点部署区之一。
- Hydrogen and CO have both been used for estimation of noble metal surface areas. ?夂?O都已用来测定贵金属的表面积。
- He is sprung from noble ancestors. 他出身名门。
- The hydro-dearomatization activities of noble metal catalysts are better than those of non-noble metal catalysts. 柴油加氢脱芳烃大多采用两段加氢工艺,将贵金属和非贵金属催化剂结合使用可以取得良好的脱芳烃效果。
- It has a significant economic value and environmental protection benefit to reutilize these noble metal elements. 除尘灰造球后加入电炉进行贵金属的回收或作为不锈钢生产的配料是比较合理的利用途径。
