查询词典 alumina

The results show that high temperature and mass ratio of alkali to red mud lead to more alumina into the aqueous phase and the decrease of A/S in brown mud.

结果表明，溶出温度高、碱／泥比大有利于Al2O3的回收，相应的终赤泥的铝／硅比较低。

The refractoriness of High-alumina clinker is up to 1780℃, it has strong chemical stability and good physical properties.

高铝矾土熟料耐火度高达1780℃，化学稳定性强、物理性能良好。

Research γ- dissolve of can acerbity to judging aluminium calcic slag gives the resolvability of 2cao.sio2 whether are there reaction happening and alumina loss 2 times to have important sense in the process.

梗概： 探究γ-2cao.sio2的分解性能对于判定铝酸钙炉渣溶出过程中是否有二次反应发生和氧化铝损失具有重要意义。

Its main components are alumina and berillia and rhombic system.

主要成分是氧化铝铍，属斜方晶系。

The membranes were transformed from amorphous phase toα-Al_2O_3 crystalline phase by 5 hours annealing at 800℃and 910℃. At the same time, aluminum and amorphous alumina were found by XRD patterns. The membrane had little change in front side after 5 hours annealing at 800℃, while the back side was transformed from ruleless distributing to cluster distributing.

膜在800℃及910℃下退火5h后，由非晶态的氧化铝转变成为晶态的α-Al_2O_3，但同时也有铝单质和无定形结构的氧化铝存在，膜在800℃下退火5h后的正面没有太大变化，背面由无规则的分布变为簇状分布。

The conditions of extraction of scandium from Leaching Liquor of red mud resulting from alumina production were studied.

摘 要：本文研究了从氧化铝生产赤泥的盐酸浸出液中回收钪的工艺条件。

Coating"s transparent and abrasive characters are measured by spectrophotometer and abrasion instrument and sway pole sclerometer. As a result, lacquer"s abrasion-resistant performance improved 100% adding 15% nano-alumina. Nano composite coating improved PMMA base 2.75 times. The transmission of visible light is about 80%.

用分光光度计、耐磨仪及摆杆硬度计测定了涂料的透明性和耐磨性，添加15%的纳米Al2O3，涂膜的耐磨性能提高了100%，纳米复合涂料对底材有机玻璃的耐磨性能提高了2.75倍，可见光透过率在80%左右。

Contaminant cations such as calcium,magnesium,barium,strontium,and radium and anions such as fluoride ,nitrate,fulvates,humates,arsenate,selenate,chromate ,and anioic complexs of uranium can be removed from water by using ion exchange or adsoption onto activiated alumina.

具有污染能力的像Ca，Mg，Ba，Sr，Ra的阳离子，和像氟化物，硝化物，黄酸物，腐质酸物，砷酸盐，硒酸盐和铬酸盐的负离子以及像铀一样的负离子复合物可以通过离子交换和离子吸附从水中排除。

"A glut in alumina will depress aluminum prices," said Jayesh Shroff, a fund manager at SBI Funds Management Ltd.

孟买SBI基金管理公司一基金经理称，"氧化铝过剩会影响铝价。"

Company's products mainly include: alumina, zirconia, silicon carbide ceramic composite series.

公司产品主要有：氧化铝、氧化锆、碳化硅等系列复合陶瓷。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新