查询词典 permeability

A lab test apparatus was developed into evaluating the noise reduction of the porous cement concrete. A constant head permeameter was developed to ascertain the water permeability of porous cement concrete, the influence of the porosity and pore size on the water permeability was studied.

另外，对多孔水泥混凝土的透水性能进行了研究，通过建立有效孔隙率、孔径大小与渗透系数的关系，结合其实际透水性能，得出了满足一般排水性路面排水要求的有效孔隙率范围和级配。

In order to overcome the shortcomings of acellular dermal matrix used as tissue engineering scaffold material, such as bad permeability, low degradation speed, and strong immunogenicity, a new type of collagen scaffold was prepared by applying various chemical, biological and physical comprehensive methods to deal with pigskin. The microstructure of the scaffold was observed under photomicroscope and scanning electron microscopy, and the in vitro degradation time, permeability, tensile-strength, porosity, shrinkage temperature were tested.

为了克服猪脱细胞真皮基质作为组织工程支架材料渗透性差、降解速度过慢、免疫原性较强等缺点，采用多种化学、生物与物理综合方法处理猪皮制备了一种新型天然胶原支架材料，通过光学显微镜、扫描电镜观察以及体外降解时间、透水汽性、拉伸强度、孔隙率、收缩温度等的测定，对其性能进行了研究。

HA increased level of NO by activating NOS after combining with H〓 and H〓 receptors; and on the one hand 5-HT caused brain microvessel endothelial cells constracting strongly, made the tight joint opening, increased the permeability of BBB, and on the other hand 5-HT increased the quantity of pinocytosis vesicle in endothelial cells and enhance the permeability of BBB after comining with 5-HT〓 receptor.

HA与H〓和H〓受体结合，激活NO合成酶，使NO含量增多而诱发BBB通透性增加；5-HT与5-HT〓受体结合，一方面引起脑微血管内皮细胞强烈收缩，使内皮细胞间的紧密连接开放，BBB通透性增高，另一方面可引起内皮细胞转运小泡增加，BBB通透性增高。

The most important factors influencing water vapor permeability and oxygen permeability were relative humidity and temperature respectively.

结果表明，以含La的以SPI为基质的可食性膜液涂膜切片苹果能改善切片苹果的硬度、失重率和色泽。

The improved relative permeability curve and function are required to determine the specific relative permeability of gas condensate.

需 要实际测量改进相渗曲线并采用改进处理方法来计算凝析油气在开发过程中的相对渗透率值。

Studies on the dormancy characteristics of Pinus bungeana seeds from 7 representative seed sources show that the difference of water permeability of seed capsule was very significant among seed sources.The seeds from northern part of distribution area had a much higher water permeability than from the south.

对7个具有代表性种源的白皮松种子的休眠特性研究表明，白皮松种子种皮的透水性在种源间差异明显，表现出随地理纬度的增高而逐渐增大的趋势，分布越是偏北的种源透水性趋于加强。

These tests include colour fastness to rubbing/crocking, light, perspiration, water, chlorinated water and seawater; strength tests, namely of tensile strength, tearing strength, seam strength, slippage characteristics, bursting strength etc.; pilling resistance; oil repellence; soil release; air permeability; water vapour permeability; abrasion resistance; water repellence; zipper strength, durability and operability; velcro shearing and peeling; snap fastener security; and the corrosion of metallic finishes, etc.

这些测试包括磨擦、日晒、汗液、水、氯水和海水的色牢度；强度，即拉伸强度、撕裂强度、接缝强度、滑移特性、破裂强度等；抗起球特性；防油性；防污性；透气性；水气通透性；耐磨性；防水性；拉链的强度、耐用性和运作顺畅性；尼龙搭扣剪切力和剥离力；按扣强度；金属饰物的耐腐蚀性等。

As for models of hydraulic behavior, this paper makes a thorough study on aperture of rock joins、the number of open cracks after heating in rock mass、the fracture interconnectivity、tectonic stresses、the dilation due to shear sliding and chemical composition, and utilize fluid permeability tensor proposed by Oda, the tensor field of permeability in the fracture rock mass with coupled THM properties is derived.

在裂隙岩体力学模型方面，利用0'Connell建立的干裂隙岩体等效弹性模量与岩石模量的关系式，并由式中的裂隙密度概念意义，建立了温度作用下的裂隙密度与Oda提出的裂隙张量之间的关系式。

The research on sedimentary facies and diagenesis of the reservoir combined with analyses of diagenesis effect of low permeability resevoir on the reservoir property and with division of diagenesis stages indicates that the genetic mechanism of the low permeability reservoir in this area is the filling and cementation of autogenetic mineral during diagenesis.

该项研究是建立在储层沈积相、成岩作用研究的基础上，通过分析低渗透储层成岩作用对储集物性的影响及成岩作用阶段划分，认为造成本区储层砂岩渗透率较低的主要原因是成岩期各种自生矿物的充填和胶结作用。

The models of auricular edema in mice by dimethyl benzene and increased permeability of celiac blood capillary by acetic acid were studied,the results showed that the petroleum ether and acetic ester fraction of fermentation product of Calvatia gigantea could inhibit ear edema;acetic ester and n-Butanol fraction of fermentation product could reduce the permeability of celiac blood capillary by acetic acid.

大秃马勃Calvatia gigantea发酵液的石油醚、乙酸乙酯和正丁醇提取物进行二甲苯诱导小鼠耳廓急性炎症和醋酸所致小鼠腹腔毛细血管通透性实验，结果表明大秃马勃Calvatia gigantea发酵液石油醚提取物处理组、乙酸乙酯提取物处理组对二甲苯诱导小鼠耳肿胀具有明显的抑制作用；大秃马勃Calvatia gigantea发酵液乙酸乙酯提取物处理组、正丁醇提取物处理组对醋酸所致小鼠腹腔毛细血管通透性具有明显的抑制作用。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。