porosity

Porosity is usually derived from the sonic or density, with the proper matrix and fluid parameters for the formations to be encountered.

如果遇到合适的岩层流体参数，孔隙度通常通过声波测井或密度测井计算。

The paleosol with less porosity did not develop well in water bearing space and was prone to form a water-resisting layer.

结果表明，黄土层含水空间发育好，入渗率较大，利于构成含水层；

drainage occurs in a surface soil layer, with limited thickness and with high hydraulic conductivity due to its macro porosity.

由于极大的渗透性，当土层厚度变薄或由于大孔隙而具有较高的水力传导性时，表层土壤就会出现排水。

Salt rock is considered to be the best media due to its characteristics of good rheological, low porosity, and low permeability etc.

由于盐岩具有良好的蠕变性、低孔隙率和低渗透性等特点，被国际公认为是能源储存的最理想的介质。

The results show that the variation law of waste degradation is coincident with the total stress and porosity of landfill waste.

数值计算结果表明：填埋体内总应力及孔隙度的改变与垃圾降解变化规律一致；

If available in real time during logging, the neutron-density crossplot porosity should be used for the best estimate of porosity.

如果测井时是实时记录，中子-密度孔隙度交会图应该用于孔隙度的最佳估计。

If the porosity is not uniform, the router might have trouble finishing if cells with low porosity are placed near each other.

如果孔隙度不是统一的，如果低孔隙度防止在彼此相邻的位置，布线会很难完成。

A multiparameter model of calculating the filtration rate of fracturing fluid in dual porosity media is set up in the paper.

文章建立了一种多参数计算压裂液在双重介质中滤失速度的模型。

Reticulated porous ceramic was a new non-mental material, which had 70%-95% open porosity and three-dimension solid net like framework.

网眼多孔陶瓷是一种孔隙率高达70%-95%，具有三维立体网格骨架结构和贯通气孔的新型非金属多孔材料。

An approach to uniform the porosity on fluidized bed layer is used for ensuring asbestos as a fibre ore to be fluidized normally.

该方法采用均化床层孔隙率的方法，保证石棉这种纤维性矿物完全实现正常流化；

If the effective porosity is given, the reflection coefficient of a solitary wave decreases also as the permeability coefficient increases.

当有效孔隙率一定时，反射系数则随渗透系数的增大而减小。

Laser treatment of the sprayed coating can reduce the surface porosity of the coating.

涂层经激光照射处理，表面空隙度减少，涂层密实化。

For intergranular materials, poorly to moderately well cemented, the total porosity is approximately equal to the effective porosity.

对于由晶体构成的物质，其晶粒间含泥浆少或较少，因此总孔隙度与有效孔隙度近似相等。

Porosity is often found when using low-hydrogen electrodes such as E-7018, and it may be difficult to establish why this occurs.

孔隙度是经常发现在使用低氢焊条例如E-7018，它可能会难以确定为什么发生这种情况。

This model can indicate the quantitative relationship among the resistivity, material's composition, metal percentage and porosity, etc.

该模型定量地反映出了材料组分、含量、孔隙率及合金化程度等因素对电阻率的影响。

Aerogels servers as a super thermal insulation material mainly due to its high nano-porosity and low thermal conductivity.

气凝胶由于具有极高的孔隙率和极低的热导率，因此可以作为一种超级绝热材料。

particles with a high porosity and a high surface area exhibit excellent antimicrobial efficacy at low dosage.

剂量颗粒具有高孔隙率和高比表面积低展出优秀的抗菌效果。

A porous film with highly uniform small pores and a desired porosity profile can be obtained with this method.

以此方法可制得具有高度均匀小孔及所需孔率轮廓之多孔膜。

But it's easy to make linear porosity in welding.

在工程焊接中容易出现条状气孔缺陷。

The center axis of the part has inclusion defects as well as porosity and thus is suitable only for parts where this can be machined away.

零件的中心轴附近存在缺陷和孔隙，因此仅适用于能将这些机加工去除的零件。