查询词典 permeability

Therefore, many efforts have been done in the development of PEM materials with low cost and low methanol permeability.

因此，低成本且高阻醇性的质子交换膜材料成为人们研究的热点。

Because of the high water level and large permeability in sand, the cement mixing pile was also used as the anti-seepage pensile curtain, and deep-well system was set up at the same time to depress the water line.

场地水位高且与闽江有直接水力联系，砂层渗透系数大，设计最大坑内水位降深为11m，通过设置水泥搅拌桩悬挂止水帷幕，采用深井降水系统成功地降低了坑内水位。

Atlu zhi before pigeons at boiling water permeability, and then good pigeons Add halogen pot, add pepper Fang,da liao , large fennel, villosum, cardamom, ginger, green onions, salt and other condiments and medicine material.

在卤制前，先将鸽子在沸水中汆透，然后将汆好的鸽子放入卤锅中，加放花椒、大料、大茴、砂仁、豆蔻、姜、葱、盐等佐料和药料。

The study on the percolation mechanism of low-permeability gas reservoirs is conducive to establish reasonable and effective development policies.

研究低渗透气藏的渗流机理，有利于制订合理、有效的开发方案。

The study indicates that gas percolation is controlled by permeability and water saturation.

研究发现，气体渗流受渗透率和含水饱和度的控制。

The results show that the existing of fractures has influence on percolation flow characteristics of low permeability reservoir.

实验结果表明，裂缝的存在对低渗透储层的渗流特征有明显的改造，裂缝开启前，储层渗流可以看作是基质岩石渗流，裂缝对渗流的影响不大；裂缝开启后，由于其渗流能力较强，将发挥主要的渗流通道作用。

Our results showed that LMWH at the concentrations of 16000and 8000 u·L(-1) could significantly (P.01, P.05 vs vehicle) inhibit constriction of isolated ileumsmooth muscle of ovalbumin-sensitized guinea pigs induced by OA in vitro, LMWH 200, 50and 12.5 u·kg(-1) ip could markedly (P.01 vs vehicle) inhibit degranulation of Pericranium MC inrats, LMWH 60 and 30 u·kg(-1) ip could significantly (P.01, P.05 vs vehicle) depress the lickingresponse induced by 4-aminopridine and the increasing of capillary permeability induced by aceticacid in mice.

研究结果显示，LMWH16000u·L(-1)（P＜0.01）和8000u·L(-1)（P＜0.05）均能显著降低OA所致的致敏豚鼠离体回肠平滑肌收缩高度；LMWH200u·kg(-1)，50u·kg(-1)和12.5u·kg(-1)（P＜0.01）均能明显抑制颅骨骨膜肥大细胞脱颗粒；LMWH60u·kg(-1)（P＜0.01）和30u·kg（P＜0.05）均能显著减少个氨基毗陡诱发的小鼠舔体反应次数，并能抑制冰乙酸所致的小鼠毛细血管通透性增加。

Ariations in round window membrane permeability and in perilymph flow could account for why hearing losses are obsered in some patients.

圆窗膜通透性的变化和外淋巴液流动的变化可以解释为什么在某些患者观察到听力损失。

The development includes the new theory of composition design of high permeability permalloy,the development of reducing the cost of permalloy through replace high-Ni-alloy by low one,the study of the new wafer core materials used as stereo magnetic head,and the development of iron-loss analysis of the soft magnetic alloy .

其中包括高导磁率坡莫合金成分设计理论、低中Ni代中高Ni的坡莫合金廉价化进展，立体声磁头用耐磨耐应力坡莫合金的开发，软磁合金的损耗分析等。

A measure of the effect of the medium on the magnetic field B when subject to a magnetizing force H: B = 0 in SI system, B = H + 4πI in cgs system, where 0 is the permeability of free space.

是介质在磁场 B 中所受磁化力为 H 时产生的效应：在国际单位制中 B = 0 在厘米-克-秒制中 B = H + 4πI 其中 0 为自由空间磁导率。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。