在砂土层中钻进时，要及时开启泥浆分离器，降低含砂率，保证钻进速度和孔壁的稳定。
When drill hole in sandy soil the desander should be timely turned on to reduce the sand content and ensure the drilling progressing and stability of the hole.
介绍了根据测井资料可综合评价泥质盖层的参数，包括厚度、排替压力、盖层总孔隙度、有效孔隙度、渗透率、含砂量等。
Log data may be used for calculating shaly capping beds parameters such as thickness, displacement pressure, total porosity, effective porosity, permeability, sand content, etc.
土壤理化性质分析结果表明海涂土壤总体有机质含量低，电导率和含砂量高，并且随着围垦时间的增长呈现出规律性的变化。
The results showed that coastal soils had low organic matter, high electrical conductivity and sand content, and some soil properties changed with reclamation years.
本文叙述了锰砂表面改性(以下简称旧锰砂)处理含酚饮用水的实验研究，陈酚率可达99%。
This paper mainly reports the experimental study that containing phenol compound in edible water is got rid of with manganese sand surface change. The rate of removing the phenol is 99%.
本文叙述了锰砂表面改性(以下简称旧锰砂)处理含酚饮用水的实验研究，陈酚率可达99%。
This paper mainly reports the experimental study that containing phenol compound in edible water is got rid of with manganese sand surface change. The rate of removing the phenol is 99%.
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