氧化铝

Process condition study of synthesis of starch of hydroxamic acid type;2. By study of hydroxamic acid synthesis and red mud settling behavior,its high clarified degree was described.

氧肟酸型絮凝剂是近年来国外研制出的一种新型高效絮凝剂，在铝土矿制备氧化铝生产中对赤泥颗粒有很强的聚合力。

Alumina-supported Pd catalysts were prepared by three different methods: impreg nation, sol-gel-impregnation and sol-gel.

摘 要：采用三种不同方法制备了氧化铝负载的Pd催化剂。

A series of experiments on Bayer red mud generated from Chinese diaspore bauxite were performed using experimentally-synthesized new flocculants ASAM (obtained from acryamide, sodium acrylate and β-methylhydrogen itaconate) and commercial flocculants PAS-3, 0228 and Alclar665, respectively.

摘 要：针对河南某一水硬铝石型氧化铝拜耳法溶出赤泥，采用自制丙烯酰胺-丙烯酸钠-β-衣康酸单甲酯共聚物新型絮凝剂对其进行沉降实验。

"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。&

Meanwhile, the mixture of KAlO〓—K〓CO〓—KOH obtained by clean technology of potassium chromate was separated successfully to obtain qualified Al 〓 product and deeper utilization of the components in chromium chemical industry was realized.

对铬酸钾清洁工艺中的KAlO〓—K〓CO〓—KOH混合物进行了有效分离，得到质量合格的氢氧化铝产品，实现了铬化工的多组份深度利用。

Years 9 28, in the color of shares issued on the related party transactions bulletin, bulletin said:"According to a resource block in the first stage of geological work carried out by the result, the block now proven high-quality bauxite resources amounted to 160 million tons (Al2O3 an average grade of 37.91 percent, the average ratio of 12.18 Al-Si), according to China Nonferrous Metals Industry Association in January 2007 issued a "certificate of identification of scientific and technological achievements, Lao province of Champasak帕克松area is Quaternary basalt bauxite LATERITIC Sanshui bauxite weathering crust type, with abundant resources, the exploration and exploitation conditions are better, obviously the characteristics of the anticipated benefits.

二千零七年9 28在对关联方交易的公告已发行股份的颜色，公报说：&据美国地质工作的资源块的第一阶段所进行的结果指出，现在证明块高质量的铝土矿资源达160万吨（氧化铝的百分之37.91，在12.18铝硅平均比例平均成绩），2007年1月根据中国有色金属工业协会发布了科技成果鉴定&证书老挝的占巴塞省帕克松地区第四系玄武岩红土型三水铝土矿风化壳型铝土矿资源丰富，勘探和开采条件，更好，很明显的预期效益的特点。

Furthermore,The results show that alumina is more suitable for the separation of ethyl linolenate than the widely used silica gel, and the supercritical fluids is a good solvent than organic solvent because of its adjustability by changing the extraction conditions.

研究结果表明，超临界流体分离效果优于石油醚和正己烷等有机溶剂，氧化铝载体分离效果优于硅胶，超临界流体结合硝酸银吸附柱分离亚麻酸乙酯具有较好的效果，可得到纯度约95%的亚麻酸乙酯，其工业应用前景诱人。

The experiment results indicate that the solvents (including n-hexane, ligarine, supercritical CO_2) and carriers all have great effects on the separation of ethyl linolenate from fatty acid ethyl ester mixture.

研究结果表明，超临界流体分离效果优于石油醚和正己烷等有机溶剂，氧化铝载体分离效果优于硅胶，超临界流体结合硝酸银吸附柱分离亚麻酸乙酯具有较好的效果，可得到纯度约95%的亚麻酸乙酯，其工业应用前景诱人。

The rest MgO with square magnesian stone mineral form exists.

所有氧化铝作为铝酸镁尖晶石，达到稳定的立方ZrO2形式。

The rabbits were sacreficed in groups 20, 40, 60, 90, 120, or 180 days after operation, and the silicon and aluminium contents in iliac bone and gluteus medius muscle on both sides were determined by inductively coupled plasma atomic emission spectrometry.

本实验在家兔骼骨处植入氧化铝材料后，分别观察骼骨和臀中肌内的铝、硅元素变化及其释放情况，报道如下。

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。