查询词典 permeability

The experimental results of temperature dependence of initial permeability and the change in magnetostriction coeffic.

由退火后试样的初始磁导率与温度的关系及磁致伸缩系数的变化结果表明，当有极少量的-αFe晶体相析出时，可明显改善合金的动态磁性能；当-αFe晶体相进一步析出时，可使合金呈现良好的恒导磁特性。

Therefore, the early use of low-permeability reservoir development Diamond Anti-9:00 Well, diamond crack parallel to the main diagonal directions along the crack edge wells to increase water efficiency by the degree of widening further suppress the injection wells, well away from the row Kadoi premature flooded, and the overall benefit of fracturing; in the latter part of the diamond-shaped anti-9:00 Well Well turn the corner to form staggered rows like water injection means, thereby maintaining a high production rate and phase out the extent of mining.

因此，低渗透油藏开发初期使用菱形反九点井网，菱形主对角线平行裂缝方向，沿裂缝注水增加边井受效程度，拉大的井距又可抑制注水井排的角井过早水淹，且利于整体压裂改造；中后期将菱形反九点井网的角井转注形成交错排状注水方式，从而保持较高的采油速度和阶段采出程度。

The effects of citrate and malate on the pakchoi seed germination, young buds growth and embryo cell membrane permeability.

研究不同浓度的柠檬酸和苹果酸溶液浸种对小白菜种子萌发、幼芽生长及种胚细胞膜透性的影响。

Therefore, with considering threshold pressure gradients and the maldistribution of threshold pressure gradients caused by reservoir heterogeneity, it will be more objective and better to forecast the production performance of gas wells and guide low-permeability gas reservoirs practical production.

因此，考虑启动压力梯度和由储层非均质性引起的启动压力梯度非均匀分布能更为客观的预测气井单井生产动态，为气田合理开发提供可靠的决策依据。

In practice, the ferrite devices work in the frequency range which is far away from the ferromagnetic resonance and the permeability tensor is close to a unit matrix.

由于实际中铁氧体器件工作远离铁磁共振频率，磁导率矩阵接近于单位阵，可以将铁氧体材料的引入看作是一种微扰。

Standard patch clamp methods were used to measure whole cell capacitance,zero current potential,reversal potential and potassium ion currents of Deiters′ cells in normal external solution.Equations were used to compute the relative membrane permeability ratio of Deiters′ cell to K+ and Na+ and the potassium equilibrium potential.

采用酶孵育加机械分离法分离Deiters细胞；利用膜电钳技术在全细胞模式下检测全细胞电容，记录在正常外液中的钾电流，零电流电位，反转电位，并根据相应公式计算离子通道K+与Na+的相对通透性比率及K+平衡电位。

Therefore vascular permeability increase of intestine and mesentery is one of mechanism of IAH.

因此，小肠和肠系膜血管渗透性增大是进一步加重IAP的主要机制之一。

Based on the example in Min114 block at Xinmin oil field,the authors analyze the relation of the fracture and crustal stress,measure the direction and length of the hydraulic fracture by receiving the microseism signals when the terrene is broken,which provides a basis for deploying reasonable flood pattern for development of low permeability reservoir.

以新民油田民114区块为实例，利用微震裂缝监测技术，通过接收地层破裂时的微震信号测定水力压裂产生的人工裂缝的走向与长度，分析裂缝发育与地应力的关系，为低渗透油藏开发中合理部署注采井网提供依据。

Based on laboratory and in-situ tests, the influence of initial void on the rutting-resistance, moisture damage-resistance, strength and permeability of asphalt mixt is studied, and the appropriate ranges of air void of asphalt mixtures are analyzed and suggested.

摘要在室内试验和现场测试的基础上，分析初始空隙率大小对沥青混合料抗车辙能力、水稳定性、强度和渗透性能的影响，探讨沥青混合料空隙率的界限值。

With control group, the action of anti-myocardial- infarction mixture was observed, Results: the AMI mixt. gave protection to the myocardial cell membrane, decreased its permeability. The intracellular edema was redl~ced, therefor...

结果表明，抗心梗合剂对心肌细胞膜具有一定保护作用，可降低通透性、减轻细胞内水肿，进而减轻组织损伤程度，减少心肌细胞坏死量，对缺血心肌具有明显保护作用。

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。