查询词典 alumina

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。

The main results are as follows: 1 Taking advantage of the porosity and being carrier of anodic alumina, we reported the luminescence of Eu , dye Ru L〓X〓 Ru (Ⅱ(4, 4'-dicarboxyl-2, 2'-bipyridyl)〓〓, and silica gel film anchored porous anodic alumina prepared by self-assembling and deposition.

主要内容如下： 1 利用多孔氧化铝非常高的孔隙率以及它作为载体的优点，采用自组装及沉积的方法将稀土Eu离子、凝胶和有机染料镶嵌于其中，研究了多孔氧化铝复合材料的光致发光。

According to the regression equations of initial crystallization temperature, the solubility of alumina and density at the temperature of 20 ℃ above its ICT of (2.23～3.0)NaF.AlF3-(0～5%)LiF-(0～15%)CaF2 system,the ICT isograms within the range of 910～950℃ and the density isograms at nonequal temperature within the range of 2.04～2.20g/cm3 under the 6%, 8%, 10%solubility of alumina were first obtained respectively.

基于(2.23～3.0)NaF.AlF3-(0～5%)LiF-(0～15%)CaF2系熔体初晶温度、变温氧化铝溶解能力和变温密度的研究，首次得到了氧化铝溶解能力为6%，8%和10%时温度范围在910～950℃的等溶初晶温度和密度在2.04～2.20g/cm3之间的等溶变温密度。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。