铝的

For the purpose of airtightness and reduction of solvent vapor adsorption a rubber stopper lined with polyethylene film was used, instead of al...

汽化瓶不用加铝盖，用反口塞加上聚乙烯薄膜，便可达到密闭及减少吸附的要求。对该方法提出了改进意见，简化了测定手续，提高了准确性。

The aluminum frame is formed one time with minimum connectors left, meanwhile, double sealants of butul silicon and polysulfide rubber or structural silicon are used to keep the airtightness and the using time.

密封性：铝间隔框采用自动弯管技术一次成型，最大限度地减少接驳处；采用丁基胶和聚硫胶或结构胶双道密封，确保中空玻璃的密封性并延长其使用寿命。

Alcoa Aspires to be the best company in the world.

美铝立志成为世界上最好的公司。

One product we like after tying them all out was a product by Alcoa Corporation.

一我们的产品后，像绑一一进行了产品铝公司。

After its third-quarter profit fell by more than half, Alcoa cancelled all its "non-essential" capital projects.

由于第三季度的利润下降了一半以上，美国铝公司取消了其所有的"非重点"投资方案。

This job will work for the company of Alcoa Kunshan Aluminum Products, and will be based in Kun Shan.

该职位的雇佣方为：美铝铝业有限公司，工作地点在昆山

According to Fortune 500 reports based on 2002 business performance, Alcoa ranked 205th overall, 84th in USA.

基于2002业绩表现的财富500强报告中，美铝世界排名为205位，美国500强84位。

In the third chapter, the cooperative effects of alkaline earth metal ions and EDTA on the corrosion inhibitor of pure aluminum in alkaline solutions were investigated.

第三章中，作者研究了碱土金属离子与EDTA对纯铝在碱性溶液中的缓蚀作用。

Nsted acid ionic liquids were inactive for the alkylation of isobutane with butene.In contrast,the chloroaluminate ioni c liquids were very active for the alkylation.However,the qualities of the alkylate oils using chloroaluminate ionic liquids were unsatisfied and worse than that of the products in the industrial sulfuric acid process obviously.

发现：所制备Bronsted酸离子液体无催化烷基化反应活性；而氯铝酸离子液体则具有很高的催化烷基化反应活性，但所得烷基化油质量较差，明显低于工业硫酸法水平。

Clay particles resulting from volcanic ash weathering (allophane, imogolite and humus-Al complexes) have a very reactive surface.

火山灰风化形成的水铝萤石、伊利缟石和腐殖质-Al复合体粘土颗粒表面非常活跃。

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。