氧化铝

Objective:Compared with the porcelain-fused metal restorations,the study is to evaluate the alteration of color on CAD/CAM alumina glass-infiltrated composite with different color Vita α veneering porcelain,helping the color-selecting and color-matching in clinical practice.

目的：分析不同颜色Vita Alpha饰面瓷对CAD/CAM(计算机辅助设计和计算机辅助制造)氧化铝渗透陶瓷颜色的影响，并与对应的金瓷修复体相比较，为临床选色、配色提供依据。

Veneering porcelain ; alumina glass-infiltrated composite ; color ; porcelain-fused metal restorations ; CAD/CAM

饰面瓷；氧化铝渗透陶瓷；颜色；金瓷修复体； CAD/CAM

XEBEC Cutting Fiber has been extremely successfull in automotive engine and aircraft parts.

XEBEC氧化铝纤维刷极端成功应用于汽车引擎和航空器制造业。

It is comprised of tiny grains(each smaller than a dust particle)of zirconium oxide(40 percent), magnesium aluminate spinel(30 percent), and alpha alumina(30 percent).

此材料是由细小氧化锆(40％)，镁铝尖晶石(30％)和α－氧化铝(30％)颗粒组成。

Corundum, acryl and natural materials such as wood, stone, rubber, leather can all be cut by using CO

纤维复合材料等，也可雕刻牛角、双色板、漆铜板、氧化铝、玻璃及石头等材料。

Use filter to purify 2 kinds of functions with adsorption, can handle alumina and adsorptive fluoride.

采用过滤和吸附净化二种功能，可处理氧化铝和吸附氟化物。

The results showed that the morphology,particle size and dispersing of nanometer alumina powders were greatly influenced by adding different kinds of peptizers when aluminium alkoxide hydrolyzed.

结果表明，异丙醇铝水解时加入不同种类和不同量的溶胶剂将大大影响着纳米氧化铝粉体的形貌、粒径和分散性。

The effects of high-energy ball milling Including the fining and mechanochemical on the carbothermal reduction nitridation of alumine were investigated.

研究了高能球磨氧化铝的细化和机械力化学作用及球磨对碳热还原反应合成氮化铝的影响。

Aluminum oxide;Nickel aluminide;Functional gradient composite material;Oxidation resistance;Hydrothermal method;Hydrothermal anodic oxidation

中文关键字氧化铝；镍铝介金属；功能梯度复合材料；抗氧化性；水热法；水热阳极氧化法

Single phase mullite were prepared by using mechanochemical method with kaolinite and alumium hydroxide as starting materials.

以高岭土和氢氧化铝为原料，采用机械力化学法制备出了单向莫来石。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。