查询词典 permeability

Proportionality constant, usually called the Darcy's law permeability of the bed

－比例常数，通常叫达西方程参数

The left carotid artery was expose and placed over an ultrasonic flow probe.The brain flow volume was recorded with an ultra-sonic volume meter.The pursiness time of mice was observed to evaluate the effect of tianma xingnao capsule on cere-bral ischemia and anoxia.Methods The permeability of normal blood-cerebral barrier was investigated in mice.

目的 应用二道血流速度流量仪超声探头测定大鼠颈总动脉，以反映云南省昭通制药有限公司提供的天麻醒脑胶囊对脑血流量的影响；方法记录小鼠断头后张口喘气时间，观察天麻醒脑胶囊的抗脑缺血缺氧作用；小鼠尾静脉注射Evans溶液，测定脑组织Evans的吸光度以反映药物的血脑通透性。

The injury to intestinal mucosal immunity ,in addition to increased intestinal permeability, allows bulk of intestinal toxic substance to enter blood and displacement of intestinal bacterium causing,pyemia ,followed by multi-organ dysfunction syndrome.

另一方面辐射造成肠道粘膜免疫细胞的损伤，使其功能抑制，加之肠道机械屏障损伤所致的肠道通透性增加，肠道内大量毒性物质入血，细菌移位，造成严重的肠源性感染，继发多器官功能不全，后者是急性放射病抢救失败的重要原因之一。

Wood vinegar, or pyroligneous acid, is the fluid or sap derived from tree cells, which exhibits exceptional permeability and sterilizing properties.

木醋是从植物细胞中提取精练而来的，它有着非常强的渗透性，并且还有杀菌的特性。

In order to increase the negative refraction bandwidth and the dimension of metamaterials, based on a quadrate structure, a crossing-net metamaterial structure is proposed, and the frequency properties of its permittivity and permeability are simulated.

为拓宽异向介质结构的带宽和维数，在方形环结构的基础上，提出了一种异向介质的交叉网状结构的设计，并对其介电常数和磁导率的频率特性进行了计算机仿真。

Results of the study showed that both aqueous extract of whole plant or root of M. coromandelianum Gurcke at doses of 10, 20 mg/kg, po equivalent to the crude plant could lower rabbit fever (P ＜0.05, P ＜0.01), decrease mice writhing (P ＜0.01), inhibit ear edema (P ＜0.05), and decrease the permeability of the blood capillary in abdominal cavity of mice (P ＜0.01). These results suggested that M. coromandelianum L.

结果表明：赛葵全草10、20 mg/kg ig给药能降低发热家兔的体温，延长小鼠的痛反应时间，减少扭体鼠数和扭体次数，20 mg/kg抑制鼠耳的肿胀及抑制小鼠腹腔毛细血管通透性；赛葵根10 mg/kg ig给药能降低发热家兔的体温，抑制鼠耳的肿胀，降低小鼠腹腔毛细血管通透性。

The work of Allen Frey suggests that we should consider radiation effects as a grave hazard producing increased permeability of the blood-brain barrier, and weakening crucial defenses of the central nervous system against toxins.

艾伦的工作弗雷表明，我们应该考虑辐射效应是一个严重危害生产的通透性增加血脑屏障，并削弱了至关重要的防御中枢神经系统对毒素。

The work of Allen Frey suggests that we should consider radiation effects as a grave hazard producing increased permeability of the blood-brain barrier and weakening crucial defenses of the central nervous system against toxins.

艾伦弗雷的工作表明，我们应该考虑辐射作用作为一项重大的危险导致脑血栓的增加，并且弱化中枢神经系统对于毒素的抵挡能力。

Besides, porosity is the most important function of the effective capillary radius of curvature and permeability values.

此外，孔隙度对有效毛细半径与渗透度有相当大的影响。

The results of experiment have demonstrated that the slump of sand and stone binding method to manufacture high performance concrete is considerably large,while the concrete's permeability is rathe...

试验结果表明：裹砂石工艺制备的高性能混凝土具有坍落度大、泌水性低等特点，且硬化混凝土的性能优于传统工艺制备的高性能混凝土。

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。