The membrane is a semifluid structure made up of lipids, proteins, carbohydrates, and water.

膜是一种半流质结构，由脂类、蛋白质、碳水化合物和水组成。

The ground base was evaluated and analysed by using biological index and variation of population of benthon which are effected by bottom water and mud environment.

以底栖动物作为底层水环境和底泥环境长期影响,生物数和种群结构变化对底质进行评价和分析。

In this paper,by means of application of hydro simulating method of two phase fluid,effect of runer structure on drag collection was discussed.

应两相流水模拟试验方法，研究了浇注系统中横浇道结构形式对其集渣效果影响。

Introduces the structure, characteristics of LGQ type gauger, and the situation of measuring water and sulphuric acid in SSP production.

介绍LGQ型计量器结构、性能，以及在过磷酸钙生产中于水和硫酸计量情况。