查询词典 alumina

In a deal valued at $4.9 billion, Norsk will add a mammoth bauxite mine, the world's biggest alumina refinery and a large smelter to its own substantial aluminium business.

在这笔价值49亿美元的交易中，挪威公司还将增加一个大型冶炼厂和一个大型熔炉到其可观的铝业务中，该冶炼厂是世界最大的氧化铝精炼厂。

This dissertation concentrated on its low-cost synthesis, adjusting of silica to alumina molar ratio and catalytic applications in olefinic alkylation of thiophenic sulfur of simulated FCC gasoline and aromatization of butene in liquefied-petroleum-gas process.

本论文旨在降低MCM-22合成成本，获得硅铝比范围宽泛可调的MCM-22，并拓展其在烯烃烷基化脱硫与液化气丁烯芳构化方面的应用。

Of the total money outlaid for the second phase, Rs 72.27 crore would be spent on developing mines, Rs 1,258 crore on processing alumina, Rs 1,609 on upgrading smelter capacity and Rs 1,151 on ancillary works, the official said.

该人员表示，在二期扩张阶段，722.7亿卢比用于开采矿区，12.58亿卢比用于加工氧化铝，16.09亿卢比用于升级冶炼厂产能，11.51卢比用于辅助工程。

Study on the preparation of γ-alumina-supported molybdenum phosphide hydrofining catalysts;2. Silica-supported molybdenum phosphide s were prepared in a fixed bed reactor by an in situ reduction method from their oxidic precursors.

以SiO2为载体，用钼酸铵和磷酸氢二铵作钼源和磷源，采用共浸渍法制备了负载型磷化钼氧化态前体；在固定床反应器上，用H2原位还原制备了MoP/SiO2催化剂。

XRD shows that the peptizer has no influence on the crystal structure of nanometer alumina.

XRD分析表明溶胶剂对粉体的晶型没有影响。

A series of Pd/α-Al2O3 catalysts for CO coupling reaction were prepared with α-Al2O3 made from different methods. The effect of pore-foaming agent and peptizer on the support and the effect of alumina pore structure on the dispersion and activity of catalysts were studied.

考察了不同制备方法得到的α-Al2O3载体对CO催化偶联制草酸二甲酯反应的影响，研究了致孔剂和胶溶剂对载体的影响以及氧化铝孔结构对催化剂分散度和活性的影响。

The first year of this project studied the sintering behavior of sub-micron .theta.-alumina powders. After forming using cold isostatic pressing, green specimens were heat treated at various temperature and time. The pore size distribution, density, phase transformation, and microstructure were analyzed using mercury porosimeter, XRD, SEM.

中文摘要本计画第一年进行次微米之θ相氧化铝粉末的烧结行为研究，粉末以冷均压成型后以不同之温度及时间进行热处理，坯体/烧结体以水银孔隙仪、XRD及SEM等仪器，分析其孔隙分布、密度、相转换量、微结构等。

English:Activated alumina is a porous solid material with high dispersion and large specific surface area, which has fine adsorption capability, fine pressureproof performance, fine wear resistant performance and fine heat-resistant performance, and as a result it is widely used as adsorbents.

产品简介：活性氧化铝是一种具有多孔性高分散度的固体物料，有很大的比表面积，既有良好的吸附性能，又有良好的耐压、耐磨损和耐热性能，因而，被广泛地用作高效吸附剂、干燥剂本品为白色，球状多孔性物质无毒、无臭、不粉化、不溶于水。

Methods: Compare the forged alumina by low-pressure, constant-temperature dryness with by accustomed pressure dryness and traditional smithing dryness.

以低压恒温干燥法煅制的枯矾与传统火煅及常压恒温干燥法煅制的枯矾质量进行比较。

The integrated comparison among ceria-coated, alumina-doped ceria-coated and ceria-yttria coated zirconia ceramics were analyzed by spheral coating model.

采用球体包裹模型对单一CeO〓液相包裹、Al〓O〓掺杂CeO〓液相包裹、CeO〓和Y〓O〓液相共包裹粉体制备的ZrO〓陶瓷进行了综合比较分析。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48