查询词典 alumina

In order to get sandy alumina ,the new technics of producing sandy alumina with two-stage precipitation of high concentration sodium aluminate solution.

采用高浓度铝酸钠溶液研究了添加剂存在的条件下两段法生产砂状氧化铝的新工艺。

Mesoporous alumina represents a very interesting molecular sieve exhibiting a narrow pore size distribution and relatively large pore size compared with conventional alumina.

和传统的氧化铝相比，介孔氧化铝具有狭窄的孔径分布和较大的孔径。但作为固体酸催化剂，氧化铝表面的酸性不是很强。

In this work,α-Al〓O〓, form the high temperature calcined product of Al 〓 by Debye method, was used as raw material to fabricate alumina ceramics. The seed crystal was added by ball milling of pure α-Al〓O〓 and the alumina ceramics with elongated grains has been experimentally fabricated.

本研究通过拜耳法制备的工业氢氧化铝粉经高温煅烧过程分解转相得到高温稳定的α-氧化铝粉作为制备氧化铝陶瓷的原料，利用球磨过程的磨耗向氢氧化铝粉中引入高纯氧化铝作为晶种，制备出了具有长柱状晶的氧化铝陶瓷。

A single Fine Alumina Fiber Rod is made by binding together 1,000 Alumina Fiber Filaments (diameter 10μm for red rods and 15μm for white rods).

一根氧化铝纤维是→1，000条纤维丝一起构成(红色纤维丝和白色纤维丝的直径分别为10μm和15μm)。

One of them is based on etched porous alumina and carbon-gold-carbon compound film. The alumnia film surface is composed of rows of valleys with diameter of about 300 nm, and is realized by etching porous alumina in diluted phosphorous acid.

第一种阴极采用基于多孔氧化铝和无定形碳的双层传导薄膜，其中氧化铝薄膜的表面具有横向尺寸为300 nm的特殊凹陷结构，是对常规多孔氧化铝薄膜进行腐蚀形成的。

Compared with ordinary quartz, owing to nanoscale alumina crystallite, the artificial stone made of TISM nanoscale microcrystallite quartz can stand higher temperature (as high as 800℃ instantly), become harder (reaching 6 according to mohs hardness scale), and enjoy better plasticity because of nano alumina crystallite's good mouldability.

帝斯曼TISM纳米微晶石英石同普通石英石相比，由於增添了纳米氧化铝微晶粒子，整体板材更耐高温（暂态耐温度可达到800摄氏度以上），硬度更大（莫氏硬度达到6以上），同时结合纳米氧化铝微晶粒子在抗拉伸疲劳中出现可塑性形变的特点，所以整体板材相对于普通石英石韧性更好、可塑性更高，更不易开裂。

And in the technological processes, such as water treatment process, alumina has been widely used as the adsorbent and catalyst carriors for the absorbability of surface.

在水处理等工业领域中，铝氧化物由于其水合表面的吸附能力而被用做离子交换剂和催化剂载体。

Highly order ed porous anodic alumina template was prepared by twice anodic oxidation in acidulous electrolyte,and its morphology was observed by metallographic microscopy.

在酸性电解液中，用二次阳极氧化法制备得到了高度有序的多孔阳极氧化铝模板。

The study discusses how the factors such as calcination temperature,time,the kind of additive and the process after calcination influenced on the content of the alumina in the calcined products,and confirmed the production method.

通过对工业氢氧化铝煅烧试验，探讨了煅烧温度、时间、添加剂种类和煅烧产物后处理等对煅烧产品中氧化钠含量的影响，确定了高温低钠氧化铝的生产方法。

Lanthanum oxide-coated alumina was prepared by a solid-state reaction, and its ability to adsorb fluoride from aqueous solution was investigated.

通过固相反应合成了氧化铝负载的氧化镧吸附剂并研究了其对水中F-的吸附。

The shaping method of noncircular part and the tool holder's radial motion characters in noncircular turning process are discussed in detail in the thesis.

论文详细研究了非圆零件的成型方法和加工过程中刀架的径向运动规律。

I have not really liked him,I do not like his this kind of disposition.

我没有真的喜欢他，我不喜欢他的这种性格。