查询词典 permeability

Knitting oil stable at high and low temperature was prepared by emulsification between 20# white oil as base oil and O-3 and O-6 of narrow molecular weight distribution, Span-80, Tween-80, PK, and barium petroleum sulfonate as emulsifier. Condensation point, residue analysis, emulsifying properties, permeability, antistatic performance and application effect were used to characterize knitting oil.

选择温度稳定的20#白油为基础油，选择窄分布O-3和O-6、Span-80、Tween-80乳化剂，并加入PK和石油磺酸钡进行温度稳定型针织机油的合成，并采用残渣分析法、凝点测试、乳化性能、渗透性能和抗静电性能测试以及实际使用效果对所研制的针织机油进行表征。

In a word,the effect of connate water and stress sensitivity on development of low-permeability gas reservoir should be paid enough attention.

共生水的存在以及应力敏感性对低渗气田开发的影响应引起足够的重视。

OBJECTIVE To investigate the effect of the endoexpander pressure of continuous and constant pressure expansion on the drug permeability.

目的 研究持续恒压扩张中囊内压力对药物渗透性的影响。

Damage of permeability deformation has been studied contentiously since Dongpinghu reservoir dam had been built.

东平湖水库围坝自建成以来，对渗流破坏坝基土的研究即持续不断，但由于工程设计的目的和研究单位出发点的不同，侧重点各异。

Applying experiments of performance test, indoor soil training test under different field capacity and spring rape pot, a study was made on nutrient release and biological effect of water-soluble felted and coated fertilizer. The results showed that this kind of water-soluble coated material was characterized as its compact contexture, uniform thickness, fine performance of water absorption and permeability and certain degree of biodegradability.

应用性能测试、不同田间持水量下土壤培养及小白菜盆栽试验研究了其养分释放规律与生物学效应，试验表明：微水溶性包膜材料致密、整体厚薄较均一，其吸水性、透水性能优良，且具一定的生物降解性能。

It also carries on four levels of single-factor laboratory experiments with three sample soils: clay, cohesionless soil and sandy soil, concerning three elements: cement mixture ratio, age, water content in order to find out the contractibility under different test conditions, and also the permeability of locking surface between cement soil and concrete.

试验选择粘土，粉砂土和粗砂土三种土质，采用室内试块试验的研究方法，选择水泥掺入比、龄期、含水量三种因素，分别进行了四种不同水平的单因素试验，研究水泥土在不同养护条件下的收缩性，通过水泥土和混凝土咬合面渗透试验来检验两者咬合面的抗渗性。

Under dry and low water saturation condition, gas percolation curve shows as convex shape, the permeability becomes lower, and the slippage effect is more evident.

在干燥和低含水饱和度状态下，气体渗流曲线呈上凸型，渗透率越小，受滑脱效应的影响越明显。

An apparatus for measuring the permeability of a core sample.

测量岩心样品渗透率的设备。

New equipment is used to measure the permeability coefficient of the pavement drilling core sample and the relevant testing methods are introduced.

通过对云南某高速公路现场钻芯取样试件的渗透试验研究，证明渗透试验装置和方法是可行的，并对测试结果进行了分析

It contains natural permeability factor to get the deep corneous layer and several plant compound antibiotics for example high purity tea polyphenols to kill fungus thoroughly.

特别添加高纯度茶多酚等植物复合抗菌素

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐