sand thickness

The suppression rate of evaporation increases with the dry sand bed thickness increasing;

各观测日的蒸发抑制率随着干沙层厚度的增大而增大；

Prediction of sand thickness distribution and shale content exactly is the key for exploration targets selection.

准确预测大凌河油层的砂体分布和泥质含量，是勘探目标选择的关键。

The interesting formations have features of tight sand reservoir such as the thin thickness of layers, low porosity, low permeability, heterogeneity and great differences in the abundance of gas and so on.

该地区目的储层具有储层薄、低孔低渗、非均质性强、含气丰度差异极大等特征，地震储层预测研究难度很大。

Sand body thickness vary greatly, on longitudinal H1 is more connectible than H2 and H3. On landscape the sand connecting is good in the main direction of river orientation.

砂体厚度纵横变化大，纵向上盒1较盒2和盒3连通性好，平面上砂体在主河道方向连通性好。

The rock mass structure can be expressed by rock stratum effect thickness influence coefficient. It is more scientific then using roof rock and sand content in the study of coal seam gas preservation.

研究表明，煤层围岩岩体结构控制了煤层瓦斯的赋存，岩体结构可用岩层效应厚度影响系数来表示，应用这一参数研究煤层瓦斯赋存比用煤层顶板岩性及含砂率更科学。

The reliability index for seepage stability would increase with increasing of slope ratio, crest width, thickness of clay stratum, width of foreland, thickness and width of counter weight blankets, and it would decreases with increasing of the permeability coefficient of sand and clay stratum.

堤防坡率、堤顶宽度、堤基粘土层厚度、前滩地宽度、堤后压盖厚度和宽度等变量的增大，将使堤基渗透稳定的可靠性指标增大；

When the thickness of the sand layer is natural, the cooling velocity of casting is increased with the reduced thickness;

当覆砂层厚度在正常的尺寸范围之内，铸件的冷却速度随着覆砂层厚度的减少而增大；

The effective coal dust content of molding sand should be determined according to the factors such as the quality of the coal dust, casting size and thickness, pouring temperature, facing sand or unit sand, and so on.

决定型砂中的有效煤粉含量应根据煤粉质量的优劣、铸件大小和厚薄、浇注温度、面砂或单一砂等因素。

Via double-face equal-deep sand disposal of board, which can solve bigger thickness tolerance, worse surface quality that exist in present common bamboo plywood, and thus improve quality of bamboo plywood.

通过对板材进行双面等厚砂光处理，解决了目前普通竹胶合板产品厚度公差大、表面质量差等缺陷，使竹胶合板质量上了一个新台阶。

The evaporating capacity of surface soil in mobile dune is mostly rest with thickness of dry sand bed, with the increasing of dry sand bed thickness, the evaporating capacity reduce gradually.

流动沙丘土壤表层蒸发量主要取决于干沙层的厚度，表现为随着干沙层厚度的增加，沙丘表层的蒸发量逐渐降低。