查询词典 chromium

Methylene chloride ; catalytic combustion ; catalyst ; vanadium pentoxide ; chromium trioxide ;γ-alumina ; pottery ; waste gas treatment

二氯甲烷；催化燃烧；催化剂；五氧化二钒；三氧化铬；γ-氧化铝；陶瓷；废气处理

Chromium trioxide.

六羰化铬。

ELV and RoHS compliant process trivalent chromium passivate, an attractive yellow rainbow finish on zinc deposits, over 96 hours to white salt.

三价铬环保产品，环保产品符合ELV和RoHS指令，可在锌镀层表面形成彩色钝化膜。盐雾达96小时。

Therefore, the nickel impurity in the chromium-plating bath was determined using spectrophotometry, which was based on the reaction between nickel ions and diacetyldioxime, generating a red complex, in the presence of alkali and ammonium per-sulfate. The measurement was carried out in 3cm color-matching cells at a wavelength of 510nm, using the sample without chromogenic agent as the reference.

在碱性和过硫酸铵存在的条件下，镍离子与丁二酮肟生成水红色配合物，利用这一特性，以丁二酮肟光度法测定镀铬溶液中镍杂质的含量，以不加显色剂的试样作参比液，用3cm比色皿，在波长510nm处测定。

Toxicants-the heavy metals which may be of concern in textile mill effluents are copper, chromium, and zinc

毒物--指与纺织废水有关的重金属铜、铬和锌。

The composition, heat treatment process, structure and properties of a low-chromium cast iron ball which is suitable for large scale ball mill of copper ore processing were studied.

探索了适应于铜矿大型球磨机的低铬铸铁磨球成分、热处理工艺及组织性能，获得了一种贝氏体+马氏体组织的低铬铸铁及其强韧性处理的工艺。

Worn morphology of low chromium cast iron grinding balls used in wet mill in Dexing copper mine was analyzed with SEM.

低铬铸铁磨球存在切削、凿削、冲击坑及腐蚀坑等多种磨损形貌，观察分析后可知，欲进一步降低耗球量，不仅要提高磨球的硬度，而且要提高磨球材质的耐蚀

Business card printing and membership card making business major movements of hazardous wastes: there are 7 mediumso waste, waste containing chromium, copper-bearing waste, waste containing mercury, lead-containing waste, scrap and waste halogenated organic solvents.

制卡和会员卡制作行业危险废物主要有7种：感光材料废物、含铬废物、含铜废物、含汞废物、含铅废物、废卤化有机溶剂、废有机溶剂。

The results show that chromium and zirconium can react with O2 and N2 from protective atmosphere; the zirconia and magnesia have a good stability for Cr and Zr, therefore, they can be used as crucible and furnace lining materials for Cu-Cr-Zr alloy melting.

结果表明，在熔炼温度下，炉气中微量氧气和氮气都能与合金组元中的铬和锆发生化学反应而使其烧损；金属氧化物ZrO2和MgO等对于铬和锆具有良好的化学稳定性，可以作为熔炼Cu-Cr-Zr系合金的坩埚和炉衬材料。

This kind of quartz stone cutting tool is a technological innovation product, the design structure is novel, it change the use of sole grade grinding compound which is already a traditional manufacture method, it simultaneously used the rough and fine grain grinding compound in the cutting tool different part, ie, by the electricity chromium welded skill, weld the large grain diamond grinding compound on the tool bit top (4050 #) and weld the tool bit both sides the metal polish fine grain grinding compound which the nominal grade value is one level up smaller than large grain grinding compound 100-120

这种石材切具属一项技术创新产品，设计结构新颖，这在于它改变了使用单一粒级磨料的传统制作方法，而是在切具刀头不同部位同时使用粗细粒磨料，也就是在刀头顶面和刀头两侧由电铬焊合艺分别同定粗粒金刚石磨料(4050目)和标称粒级值小于粗粒磨料一级以上的金属抛光用细粒磨料100-120目

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了