查询词典 alumina cement

Alcoa recently announced that its Alcoa World Alumina and Chemicals affiliate and the Government of Jamaica have signed an agreement in principle to expand the Jamalco alumina refinery in Clarendon, Jamaica, by more than 1.5 million metric tons per year.

Alcoa公司最近宣布了其分公司－世界氧化铝及化学产品分厂将在牙买加的Clarendon扩充氧化铝产量的决定，该决定是和牙买加政府的合作下完成的，预计扩产后的氧化铝年产量将比原来的产量多出一倍，达到2800万吨/每年。

An increase of stirring speed and a decrease of amount of alumina in each addition will shorten the complete dissolution time of alumina in the molten cryolite bath, which can meet the requirement of point feeding in the modern aluminium electrolysis cells.

搅拌速度的提高和氧化铝每次加入量的降低可以缩短氧化铝在熔融电解质中的完全溶解时间，这符合现代铝电解槽点式加料的需要。

The applications of fluorine-ion selective electrode method were done successfully in two aluminium plants.(2) The performance requests of alumina in aluminium production were concluded, and the mechanism of alumina dissolution in molten cryolite was discussed.

详细研究了氟离子选择电极法测定分子比，确定了计算公式和分析条件，并建立标准的操作分析规程，选定效果良好的分析设备，编制了方便直观的分子比计算程序，为该法的工业应用创造了条件。

Our company is a magnesia oxide, alumina production and sales of private enterprise, dedicated to a variety of magnesia oxide, alumina development and production.

13969308234我公司是氧化镁，氧化铝生产及销售为一体的民营企业，致力于各种氧化镁，氧化铝的开发和生产。

JL corporation is the first megaton oversize alumina plant in China. In order to catch the chance to buildup the scale superiority, JL plan to invest in the 800-thousand-ton alumina plant project.

JL公司是我国氧化铝工业第一个百万吨级的特大型氧化铝厂，为抓住市场机遇，增强规模优势，现拟投资一个80万吨的氧化铝厂的扩建项目。

The conditions and mechanism of Zn2+ loaded on zeolite 13X and alumina werestudied by the orthogonal test. A series of desulfurizing adsorbents were prepared withzeolite 13X, alumina and 5A molecular sieves loaded with Zn2+ and Cu2+ by themethod of impregnation at ambient termperature and desulfurizing capability of thosewere investigated in model gasoline.

采用正交试验的方法，研究锌离子在 13X 和活性氧化铝上负载条件及锌离子负载机理，并采用室温浸渍法，将锌离子和铜离子负载于 13X 分子筛、活性氧化铝、5A 分子筛上，制备了一系列改性型的脱硫吸附剂，考察了这些脱硫吸附剂在汽油模拟体系中的脱硫性能。

The recompression phenomena have been found in the particle velocity histories of alumina specimens while the impact pressure between 7GPa-8GPa. From the point of view of phenomena, the recompression signals in terms of free surface particle velocity occurring in alumina ceramics under shock-loaded were similar to those in glass where failure wave has been widely verified.(4)The modified form for the Hugoniot Elastic Limit was given associated with

得到了A95陶瓷采用Drucker-Prager准则修正公式计算的σHEL值，并与实验得到的σHEL值进行了比较；(5)采用ANSYS/LS-DYNA有限元分析软件对冲击压缩下氧化铝陶瓷动态力学性能进行了模拟分析，数值模拟结果与实验结果吻合较好，数值模拟结果表明JH-2材料模型能够较好地模拟陶瓷的物理力学性能。

However, the closure is more likely due to the running down of alumina inventory in China and the fact that alumina is no longer available at a reasonable price…again,this cut in production did not stop February 2006 aluminum production from reaching an annualized level of 8.8mtpa.

可是，由于中国市场氧化铝存货量的下降导致关停的数量可能进一步扩大。事实上氧化铝的这种不合理的价格不会延续很长时间，这项减产计划并没有停止，2006年二月铝产量达到 of 8.8mtpa 的年生产水平。

The products can be divided into refractory materials for steel plants,for building enterprises,for china industry,for electricity,for chemical works and for some other industries according to their usages.Our products contain High alumina based,corundum brick based,clay based series;products with low wriggling series;alumina-magnesia series;magnesite-chrome series;Alkali-resistance bricks;Acid-resistance bricks;semi-sillimanite bricks;mullite;sillimanite;andulusite;lyanite series;sillimanite quality refractory products and unshaped refractory materials.

公司产品按用途分为：钢铁企业用耐火材料，有色金属行业用耐火材料，建材、陶瓷行业用耐火材料，电力、化工行业用耐火材料，其它行业用耐火材料；按产品种类分为：高铝、刚玉质系列产品，粘土质系列产品，低蠕变系列产品，铝镁质系列产品，镁铬系列产品，耐酸、耐碱、半硅砖系列产品，莫来石、硅线石、红柱石、蓝晶石系列产品，硅质耐火材料系列产品，不定形耐火材料系列。

Hydrothermal treatment and pH value swing could shift the micropore distribution of alumina to macroporous direction, and decreased surface areas; the surfactants addition could shift the micropore distribution of alumina to microporous direction, and increase surface areas.

其中pH值交替变动和水热处理使氧化铝微孔分布向大孔方向迁移，比表面降低；加入表面活性剂使氧化铝微孔分布向小孔方向迁移，比表面增加，制备出了低比表面≤150平方公尺g^(-1和高比表面≥250平方公尺g^(-1的大孔容氧化铝载体。

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