silty fine sand 粉质细沙 ; 粉质细砂
fine silty sand 粉细砂
saturated fine silty sand ground 饱和粉细砂土层
very silty fine-grained sand 非常粉细砂 ; 很粉质细粒砂
deep silty-fine sand 深厚粉细砂
hydraulic filled silty fine sand 水力吹填粉细砂
Sand control is the most difficult issue faced by operation of the unconsolidated sand reservoirs. Traditional sand control techniques not only are ineffective to fine-silty sand control but also have great impact on the productivity of oil/gas wells.
油气井出砂是疏松砂岩油气藏开采的主要矛盾,传统的防砂技术在防砂的同时影响了油气井产能,并且防细粉砂的效果也不理想。
参考来源 - 疏松砂岩油藏防砂增产一体化技术研究·2,447,543篇论文数据，部分数据来源于NoteExpress
In column experiment the salt release flux from different sediment can be expressed as a negative exponential function and decrease in the order of silty clay, medium-fine sand and pelitic silt.
静水实验中沉积物向上覆水体盐分释放通量符合负的幂指数形式，并按粉质粘土、中细砂、泥质粉砂顺序递减；
Variation laws of dynamic mechanics parameters of frozen silty-clay and fine-sand are the same.
试验发现，冻结粉质粘土和冻结细砂的动力学参数随频率、温度和含水量的变化规律相同。
Abstract: : the soft soil roadbed is mainly composed of clay and silty soil fine particle content of soft soil, the gap of the organic soil, peat soil and loose sand soil layer.
摘要：软土路基主要由粘土和粉土等细微颗粒含量多的松软土、空隙大的有机质土、泥炭土以及松散砂等土层构成。
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