查询词典 alumina

The main products of our company are Industrial aluminium sulphate,Water-treatment aluminium sulphate,Ironless aluminium sulphate,Aluminium sulphate powder,Polyaluminium Chloride, Aluminum ammonium sulfate,High-purity ultrafine powder alumina,Ferrous Sulphate Monohydrate,Ferrous sulphate heptahydrate ect.

公司的主要产品有工业硫酸铝，水处理硫酸铝，无铁硫酸铝，硫酸铝粉末，一水硫酸亚铁，七水硫酸亚铁，聚合氯化铝，硫酸铝铵，高纯超细氧化铝。

Objective To investigate the intensity changes of different thickness ratios of Empress Ⅱ glass ceramic and GI-Ⅱ glass-infiltrated alumina ceramic before and after Hertzian contact cyclic fatigue.

目的 考察不同厚度配比的EmpressⅡ热压铸造陶瓷和GI-Ⅱ型氧化铝渗透陶瓷层状复合结构经Hertzian循环疲劳前后强度的变化。

In particular, anodic alumina membranes grown in acid electrolytes possess hexagonally ordered porous strutures with pore diameters ranging from 10 to 200nm, pore lengths from 1 to over 100μm, and pore density in the range of 10〓 to 10〓 cm〓. These unique structure properties and their thermal and chemical stability make AAMs ideal templates for the fabrication of one-dimensional nanomaterials.

将这两者相结合，以纳米结构的可控合成为研究切入点，以基于氧化铝模板的纳米结构的合成和相关物性研究为重点，深入讨论纳米材料研究中的&结构—物性&关系无疑具有重要的科研价值和科学意义。

Ordered Sr_2CeO_4 nanowire arrays embedded in anodic alumina membranes were fabricated by a converse transport technique that precipitations were shaped into one dimension structure in the hexagonally ordered nanochannels of the AAM and changed into the Sr_2CeO_4 nanowire by the subsequent treatment.

以多孔阳极氧化铝为模板，采用逆向迁移技术，在模板的纳米孔道内反应形成一维纳米结构前驱体，再经后续处理，制得了Sr2CeO4纳米线。

Strontium-doped solid solution of hollandite was successfully prepared using strontium carbonate (SrCO3), barium carbonate (BaCO3), alumina (Al2O3), and titanium oxide (TiO2) as raw materials by designing formulas and high temperature solid phase reaction.

以碳酸锶(SrCO3)、碳酸钡(BaCO3)、氧化铝(Al2O3)和二氧化钛(TiO2)为原料，通过配方设计，用高温固相反应合成掺锶碱硬锰矿固溶体。

In weight percentage, the desulfurizer consists of 10 percent to 90 percent of houghite compound, 0 percent to 60 percent of alumina, 0 percent to 60 percent of silica and 0 percent to 50 percent of molecular sieve.

该脱硫剂的质量百分组成为：水滑石类化合物10～90％，氧化铝0～60％，氧化硅0～60％，分子筛0~50％。

In the preparation method, the raw materials of houghite compound, the alumina, the silica and the molecular sieve are mixed uniformly; then an obtained mixture is molded; the compound is dried and calcined.

其制备方法为：将原料水滑石类化合物、氧化铝、氧化硅、分子筛混合均匀；然后将所得混合物进行成型；将上述化合物进行干燥焙烧。

The esterification reactions between organic acids and the hydroxy groups of alumina powder surfaces change the polar hydroxylic surface structure that causes agglomeration of powders into an organic layer surface structure with a modified monomoleculer layer of aliphatic chains.

压制成型以其工艺简单、效率高、成本低、自动化程度高等优点而在传统陶瓷和高性能陶瓷制造中始终占有重要地位。影响坯体均匀性和致密度的因素很多，如粉体的粒度、形状、表面状态，粉体间的相互作用和流动性，成型加压制度等[1] 。

Alumina-supported Pd catalysts were prepared by three different methods: impreg nation, sol-gel-impregnation and sol-gel.

摘 要：采用三种不同方法制备了氧化铝负载的Pd催化剂。

Results show that the alumina formed on the corroded NiCoCrAlY coating is roughness, cracked and incontinuous and many pits was formed on the surface of the coating after the salt-spray test.

试验结果表明：经过盐雾腐蚀的涂层表面的均匀性和完整性均被破坏，涂层表面产生了大量的腐蚀坑；高温循环氧化以后，表面形成的Al2 O3 氧化膜变得粗糙、破碎且不连续，而且氧化膜容易剥落，降低了涂层的高温抗氧化能力，缩短了涂层的使用寿命

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。