penetration rate是什么意思

网络释义

用法例句

The gas seepage velocity of outburst coal samples increase with the increase of gas pressure under fixed axial and confining pressures.

试验结果表明:在轴压和围压固定的情况下,突出煤样的瓦斯渗透速度随着瓦斯压力的增大而增大。

The result shows that the penetration rate into pelt isn't direct proportion to tannin content.

5%的杨梅栲胶进行鞣革对比试验,结果表明:渗透速度与栲胶的单宁含量不成正比关系。

Results:A non-linearity of DM-β-CD concentration with the cumulative penetration rate of DHE was confirmed.

结果:DM-β-CD的质量浓度与黏膜渗透率不呈线性关系,DM-β-CD的加入方式对黏膜渗透速率有较强的影响。

Model research of heat source method by using water temperature distribution in borehole to determine seepage velocity of dyke;

利用孔中温度场分布确定堤坝渗透流速的热源法模型研究

There exist shortcomings or restricted conditions in preceding formulae of obtaining the seepage velocity.

地下水渗透流速是一个很重要的水文地质参数,示踪技术可较为准确地估算地下水渗透流速。

Owing to are some questions about the traditional dilution formula and the generalized dilution formula deduced by predecessors,a new dilution formula was derived to calculate seepage velocity with tracer method,based on the condition that there existed vertical flow in the borehole and a reasonable physical model was adopted,considering the seepage velocity as a function of tracer dilution time.

基于传统稀释公式和前人推导的广义稀释公式存在的种种问题,在钻孔中存在垂向流的情况下,在合理的物理模型的基础上,考虑了渗透流速是示踪剂稀释时间的函数,重新推导了示踪方法测流速的稀释公式。

The different influences of the capillary radius to the permeating speed and depth of concrete under different water pressure were investigated.

重点探讨在不同水压力作用下,毛细孔半径对混凝土渗透速率和渗透深度的不同影响。

Darcy's law can be applied to unsaturated flow subject to certain restrictions on seepage velocity.

达西定律也适用于渗透速度有一定限制的非饱和水流。

In the following derivation, instead of using pore velocity it is advantageous to use seepage or Darcian velocity.

在下面的推导中，不用孔隙速度，而且渗透或达西速度。

The rate of flow of a liquid or gas through a porous material.

渗透度，渗透率液体或气体通过渗透材料流的量度

LOW-SPEED AND NON-LINEAR FLOW THROUGH POROUS MEDIA NUMERICAL SIMULATION FOR LOW-PERMEABILITY GAS RESERVOIR

低渗透气藏低速非线性渗流数值模拟研究

diffusion juice velocity

浸提器中渗出液的速度

Although subsurface regions in a pristine state often have O2 concentrations approaching saturation, the penetration of small amounts of organic matter into these structures can quickly lead to O2 depletion.

虽然地下区域原来状态时O浓度达到饱和,但少量有机物质的渗透就会导致O2迅速消耗。

Science and technology have come to pervade every aspect of our lives and, as a result, society is changing at a speed which is quite unprecedented.

科学和技术已经开始渗透了我们生活的各个领域；结果，社会正以空前的速度改变着。

The experiment of single-phase flow through low permeability core shows that during fluid flow there exists start-up pressure gradient.

低渗透岩心单相渗流实验表明，流体渗流时存在启动压力梯度。

Grease-proof paper: Translucent paper with high resistance to grease penetration.

防油纸:高度抗油渗入的半透明纸。

testing method for fineness of portland cement by air permeability apparatus

波特兰水泥粒度试验-空气渗透设备法

EVOIL? ALMOND applies easily, offers deep penetration and significant moisture retention together with high nourishing properties.

使用方便，深层渗透，超强保湿，高度滋养。

Testing method of sizing for paper--Liquid permeance method

GB/T5405-1985纸施胶度的测定液体渗透法

They infiltrated behind the lines so as to annoy the emery replacements.

他们渗透敌后以便骚扰敌军的调度。

Incising can achieve the same penetration advantages.

刻痕具有渗透度一致的好处。

It has good penetration and good water resistance.

具有高度的渗透力及良好的耐水性能。

Study on Reliability Analysis Method in Seepage Stability of Embankment Dam;

土石坝渗透稳定可靠度分析方法研究

The Correlation between Strength and Permeability of Concrete;

高性能混凝土的强度与渗透性的关系

Effects of Unsaturated Loess Permeability Coefficient by its Strength

非饱和黄土渗透系数对其强度的影响