查询词典 aluminum

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。

The raw materials used by the method are green chemicals dimethyl carbonate and p-nitrophenol, and the catalyst is NaY molecular sieve, activated aluminum oxide or activated carbon which is impregnated by alkali metals or alkaline-earth metal compounds.

本发明涉及到一种合成对硝基苯甲醚的方法，该方法所用的原料为绿色化学品碳酸二甲酯和对硝基苯酚，催化剂是经碱金属或碱土金属化合物浸渍过的NaY分子筛、活性氧化铝或活性碳。

Results showed that using aluminum trichloride combined catalyst under the conditions of a catalyst dosage of 5%, a benzene/olefin molar ratio of 8, a reaction temperature of 60℃ and a reaction time of 6 h, the yield of alky-benzene reached 19.6% and the quality of the obtained alkylate was significantly improved as compared with coker gas oil.

结果表明，采用三氯化铝复合催化剂，在催化剂质量分数为5%、反应温度60℃、苯烯摩尔比为8、反应时间6 h的条件下，烷基苯收率达到19.6％，烷基化油的质量明显优于焦化柴油。

The five all-metal main rotor blades of the S-56 were completely manufactured from aluminum alloy and weighed about three hundred pounds each.

五年全金属主旋翼叶片的 S - 56人完全由制造铝合金和重约三百磅每个。

If metal frame is being used, it uses aluminum or steel alloy.

如果金属框架正在使用，它使用铝或钢合金。

Products material: carbon steel, alloy steel, stainless steel, copper and aluminum.

产品材料：碳钢、合金钢、不锈钢、铜和铝。

Product Materials: Carbon steel, alloy steel, stainless steel, copper and aluminum.

产品材料：碳钢、合金钢、不锈钢、铜和铝。

2519 Aluminum alloy constitutive relation of artificial neural network...

2519铝合金本构关系的人工神经网络模型。

It is an enterprise integrating research,development and production of aluminum alloy profiles machinery.

是一家集研制、开发、生产制造铝合金型材配套设备的企业。

The effect of rolling reduction and temperature on the microstructure and mechanical properties of 7050 aluminum alloy was investigated.

研究了轧制变形量和轧制温度对7050铝合金显微组织和力学性能的影响。

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。