It is its structure that gives leather its permeability to air and water vapor.
正是皮革的结构使皮革对空气和水气具有可渗透性。
This allowed us to design and construct each wall to possess the desired light and air permeability, while creating a pattern that covers the entire building facades.
这就要求我们将每道墙设计建设得具有理想的日照和空气渗透性，同时创造出一种覆盖整个建筑外立面的图案。
Another possibility to check approximately the feather and down proofness is to measure the air permeability of the fabric.
另外可能近似测试出羽毛羽绒不穿透性的方法是：测量面料的空气渗透性。
With the developed strategy, it is possible to produce high quality anodes with satisfactory air permeability that can meet the strict requirements set in the export contract.
生产出口阳极空气渗透率指标远远优于国内阳极，达到出口美国合同要求。
Airtight in its city streets did not leave any corner of the opportunity to air permeability.
密不透风的城市街道不曾在它的任何角落留下透气的机会。
The effect of active carbon granularity-on properties of air diffusion electrode is introduced in this article in order to improve the permeability and electrochemical property of layer.
为了改善空气扩散电极的电化学性能，对活性炭粒度分布对空气扩散电极性能的影响进行了研究。
Technical textiles, such as parachute material or highly sophisticated outdoor clothing have to be compacted in the calendering process in such way as to achieve defined, low air permeability.
产业用纺织品，例如降落伞材料或先进的户外运动服为达到规定的低透气率必须经过轧光工艺将其压实。
To give better filtration properties to filtration fabric, a penetrating ability should be achieved included air permeability. Water permeability and penetrating property.
要使滤布有很好的过滤性能，就必须具有良好的透通性，即透气性、透水性及渗透性。
According to the permeability plots of typical mixture, presents the control standard of percent air voids for request of permeability.
进而针对典型的沥青混合料，提出基于满足渗水要求的临界空隙率控制标准。
Attention must be paid to mold permeability when using pressure, to allow the air to escape as the pour is done.
当使用压力时必须注意渗透性，以便在浇铸的同时让空气逸出。
After enzyme treatment, the fabric became more fluffy, the amount of fabric hairiness reduced. Drape coefficient, air permeability, whiteness and capillary effect were improved to some extent.
整理后的织物毛羽量减小，织物变得较蓬松，悬垂系数、透气量、白度和毛效均有不同程度的改善。
SAF stress absorbing layer has very good ability to resist reflective cracks. Because of its air-free and little water permeability, it can decrease the damage caused by water in the pavement.
SAF应力吸收层系统具有良好的抗反射裂缝能力，混合料密实、透水性小，可以减少路面水损坏的产生，用该结构可以有效解决旧路加铺时反射裂缝的产生。
The polyimide membrane has high H_2O vapor permeability and can be applied to dehydration of organic vapors, or air drying.
这种膜对水蒸气有很高的透过性，因而也可用于有机蒸气的脱水，或空气干燥。
Permeability is a key factor to air leakage, its value and distribution influences greatly the distribution of air leakage. The mechanized support influence air leakage from working face to gob.
渗透率是解算采空区流场的关键参数，渗透率的变化对采空区的流场有很大的影响，而综采支架的存在，影响工作面向采空区的漏风。
Air drilling is one of the fastest and cheapest drilling methods up to now. It is the most practical technology to penetrate the low - pressure and low -permeability reservoirs and leak - off zones.
空气钻井是目前钻速最快、最经济的欠平衡钻井作业方式之一，是低压低渗漏特别是恶性井漏钻井最实用的技术。
And the air permeability of the flax fabrics is far superior to that of cotton fabric.
麻织物的透气性能远比棉织物要好。
In this paper, air permeability test has been conducted to determine the specific surface area of fine particle of sediment.
采用透气法，量测了细颗粒泥沙的比表面积。
The length or width of the inner mask of the woundplast can be extended and adjusted independently according to the size of the wound, more beneficial for air permeability.
创可贴内面贴可以自主的扩展长度或宽度，对于创口的尺寸范围可自行调整，更有利于创口的 透气性能。
Objective To study the air permeability, anti-humidity and antibacterial index of the operating coats made of different materials.
目的研究不同材料手术衣抗湿度、透气度和抗菌性能。方法选用纯棉布类双层手术衣和无纺纸质一次性手术衣。
The results showed that the permeability of modified inner-liner to air increased somewhat, but still could meet the requirement of inner-liner in tube-tire;
结果表明，改进后的气密层胶透气系数有所增大，但能够满足有内胎轮胎气密层的要求；
Because of micro pore from surface to interior, mechanic strength, water absorbing capability, good air permeability, good preserving fertility, ceramisite is used in greening of gardens.
在园林绿化方面由于陶粒由表及里有许多微孔，具有一定的机械强度，吸水、透气、持肥能力强。
The initial resistance of the filter medium decides the air permeability of the filter medium itself, but the resistance during operating is several times to the initial resistance.
滤料的初阻力决定于滤料本身的透气度，而运行中的阻力则比初阻力大许多倍。
The initial resistance of the filter medium decides the air permeability of the filter medium itself, but the resistance during operating is several times to the initial resistance.
滤料的初阻力决定于滤料本身的透气度，而运行中的阻力则比初阻力大许多倍。
应用推荐