新疆罗布泊罗北洼地主要有粉砂、粘土沉积，硫酸盐沉积和氯化物沉积。

There are mainly three kinds of sedimentary minerals: fine sand, sulphates, and chlorides.

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研究目的在于探讨用罗布泊罗北凹地卤水制取硫酸钾混盐的一种新方法。

This paper probes into a new method for making potash-bearing salts mixtures through the processing of magnesium sulfate sub-type brine of Luobei depression in Lop Nur Lake.

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证实了法布里-泊罗标准具中向列液晶的可激性，当系统具有空间延展性时，得到了螺旋波以及不同的斑图的形成。

Excitability in a nematic liquid crystal cell in a Fabry-Perot was confirmed. When this system has spacial extensions, spirals and other patterns were obtained.

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