查询词典 permeability

As is now well known,foundry coating is consist of 5 kinds of basic components such as carrier material,refractory fillings, defocculaing aent, binding agent and accessorial addition agent. In which the refractory fillings is its main components that it decides the refractoriness,chemical stability, diathermancy of the coating , simultaneously it influences also the gas permeability,sinter delaminating property of the coating.

众所周知，铸造涂料是由载体、耐火填料、悬浮剂、粘结剂和辅助添加剂五种基本成份组成，其中耐火填料为主要组分，它决定着涂料的耐火度、化学稳定性、绝热性，对涂料的透气性、烧结剥离性也有重要影响。

Results from the assessment model indicated that tree vigor(0.202), crown dieback(0.140), and butt rot(0.143) were the most important indicators with maximum weights, whereas tree lean(0.025), parasitism(0.017), root hazard(0.025), and root permeability(0.025) were less important with minimum weights.

从评价模型的权重结果来看，权重值较高的3个指标分别是树势(0.202)、顶梢枯死(0.140)、干基腐朽(0.143)，而权重值较低的指标则是倾斜(0.025)、寄生(0.017)、根部损伤(0.025)和通气透水性(0.017)。

Permeability is the product of solubility and diffusivity.

透气率是溶解度和扩散系数的产物。

The clay minerals in the eluvial soils consist of illite/ montmorillonite, illite and kaolinite with low and intermediate dilatability, so their permeability is low or very low.

土中粘土矿物由伊利石，蒙脱石、伊利石和高岭石组成，具低-中等膨胀性，因而其渗透性低-极低。

The paper carried out research on characteristics of grit with weak expanded clay from mineral composition, grain, dilatability, compaction, permeability and strength.

摘要针对燕山水库弱膨胀黏土质砂砾岩能否作为坝体填料这一问题，从矿物组成、颗粒级配、膨胀性、压实性、渗透性、强度等方面对其工程特性进行了研究。

the paper carried out research on characteristics of grit with weak expanded clay from mineral composition, grain gradation, dilatability, compaction, permeability and strength.

针对燕山水库弱膨胀黏土质砂砾岩能否作为坝体填料这一问题，从矿物组成、颗粒级配、膨胀性、压实性、渗透性、强度等方面对其工程特性进行了研究。

A important conclusion is that fluvial-lacustrine, karst, diluvial, colluvial, glacial and outwash deposits, which formed between early Pleistocene and early middle-Pleistocene, have high cement degree, low permeability, high intensity, low deformation, and good engineering properties, but modern riverbed phase deposits, which formed in between late middle-Pleistocene and Holocene, are loose, highly permeable, weak, highly deformable and have bad engineer characteristics, so they are susceptive to differential settlement, piping, drafting, liquefaction problems.

得出早更新世—中更新世早期河湖相沉积、岩溶沉积、洪积、崩坡积、冰碛和冰水沉积密实度高，胶结较好，透水性差，强度高，变形小，工程性质较好，而中更新世晚期—全新世现代河床沉积较松散，渗透性高，强度较低，变形较大，易发生差异沉降、管涌、流土、地震液化等工程地质问题的重要结论。

On the basis, the influence of dimensionless apparent permeability variation factor to flow performance has been analyzed.

在此基础上，分析无因次表观渗透率变化系数和边界条件对产量动态的影响。

The influences of dimensionless permeability modulus and skin factor on pressure response are discussed.

讨论了无因次渗透率模数和表皮系数对压力响应的影响。

The slide fills are mainly composed of boulders and granular soils of granite and diorite origin with good permeability.

物质成分为花岗岩和闪长岩块石，夹块碎石土，透水性良好。

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