对于沙漠工程，提高沙漠砂的干密度，做好构筑物的防渗排水，避免地基含水量增高，是保证工程设施安全、正常运行的关键。
For engineering in desert, the key measures for ensuring the safety and operation of engineering facilities are to increase dry density and enhance seepage so as to avoid the high moisture content.
重点对影响金刚石上砂效果的几个关键因素进行了工艺试验，讨论了阴极电流密度、搅拌方式、微粉浓度及尺寸、基体放置方式对沉积效果的影响。
Influence of the cathode electric current density, the agitating methods, the concentration and size of diamond powder and the placing methods of substrate on the deposition effect are discussed.
研究了利用金矿尾砂熔制玻璃的方法，测定了基础玻璃的抗折强度、化稳性、密度、热膨胀性等理化性能。
In this article, the method of producing the glass from the goldmine-tails has been studied, and the bending strength, chemical stability, density, thermal expansivity of the glass have been measured.
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