A kind of micro-porous permeable material is prepared based on common features of existing permeable materials and taking dense accumulation of fine sand as the matrix and epoxy resin as binder.
根据已有透水材料的共同特点，以细砂密集堆积体为基质，环氧树脂为胶结料，制备出一种微孔透水性材料。
Material that is used to plug temporarily the highly permeable zones and direct the frac fluid to the less permeable zone during hydraulic fracturing.
在水力压裂作业期间，暂时封堵高渗透地层并使压裂液进入低渗透地层所用的物质。
A humidity generator of the permeable tube based on the membrane permeation principle of polymeric material is presented.
本文介绍了基于高聚物膜渗透原理而建立的外渗式水渗透管微量水发生装置。
Porous permeable bricks were made with gold tailings as the main material and coal gangue as pore-forming agent.
以黄金尾矿为主要原料，以煤矸石作成孔剂，制备了多孔透水砖。
The invention relates to a waterproof air and moisture permeable microporous film, a three-layer composite material and a preparation method and application thereof.
本发明涉及一种新的具有防水透气透湿功能的微孔膜及三层复合材料及其制备方法与用途。
The behavior and function of the adjustable solidification agent and the compatibility with increased permeable agent in the silicate composite material were analyzed by laboratory experiments.
通过室内试验分析了该调凝剂对硅酸盐复合材料性能的影响，以及与硅酸盐复合材料中增渗剂的配伍性。
A filter media for an active field polarized media air cleaner comprises two layers of dielectric material, and a high-impedance permeable net is sandwiched in the low-impedance dielectric layer.
一种用于有效场极化介质空气净化器的过滤介质，包括两层介电材料，并且在低阻抗的该介电层之间夹设有高阻抗的透气网。
The micro hollow fiber cell reactor consists of silica gel tube of permeable silica gel material, permeable silica gel stopper and hollow fiber filament.
本发明公开了一种微型细胞中空纤维反应器，它是由透气硅胶材料的硅胶管，透气硅胶塞和中空纤维丝组成。
According to this, the paper puts forward a kind of new permeable base material, which is called porous concrete.
对此，本文研究一种新型的多孔混凝土排水基层材料。
The patches may include an adhesive material, a collection layer, an interface layer, and a sweat-permeable membrane.
所述贴剂可以包括粘合材料，收集层，界面层，和透汗薄膜。
Study is made on preparation of water permeable brick using fly ash as main raw material.
采用粉煤灰为主要原料进行透水砖的制备研究。
The waste material is placed in cells with permeable membranes.
废液置于有渗透膜的槽中。
The effect of the technological conditions such as molding method, raw material proportioning, pugging times and sintering system on the performances of porous permeable bricks was studied.
研究了成型方法、原料配比、成型压力、练泥遍数及烧成制度等工艺条件对多孔透水砖性能的影响。
The effect of raw material formulation, firing process and molding pressure had been probed on the maim characteristics of water permeable ceramic brick.
以萤石尾砂和珍珠岩废矿粉为主要原料，制备出环保型陶瓷透水砖，探讨了原料配方、成型压力和烧成工艺对透水砖性能的影响。
The effect of raw material formulation, firing process and molding pressure had been probed on the maim characteristics of water permeable ceramic brick.
以萤石尾砂和珍珠岩废矿粉为主要原料，制备出环保型陶瓷透水砖，探讨了原料配方、成型压力和烧成工艺对透水砖性能的影响。
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