permeabili相关论文
A hot-press tackified preform was used to improve the uniformity of the laminates thickness and the mechanical propertie......
Glucocorticoids upregulate transepithelial electrical resistance and expression of tight junction-re
Thchea mtrbabeerc aunlgalre ,m aenshdw iosr tkhe i sm aloinca rtoeudte a fto rt hthee aonuttefrloiowr of aqueous humor·......
Enhancer of zeste homolog 2 contributes to apoptosis by inactivating janus kinase 2/signal transduce
BACKGROUND Inflammatory bowel disease(IBD)is a prevalent worldwide health problem featured by relapsing,chronic gastroin......
Three-dimensionally (3D) long range ordered macroporous SiC ceramics were prepared through infiltrating polymethylsilane......
Oral spore-based probiotic supplementation was associated with reduced incidence of post-prandial di
AIM To determine if 30-d of oral spore-based probiotic supplementation could reduce dietary endotoxemia. METHODS Apparen......
Microbe-based cement has been widely reported in recent literatures. It is a new method of consolidating loose fine part......
Electromagnetic characteristics and microwave magnetism of Fe_(46)Co_(44)B_(10)/SiO_2 nano-multilaye
Fe46Co44B10/SiO2 nano-multilayers were synthesized by radio frequency magnetron sputtering. The thickness of individual ......
Gut microbiota plays a key role in the pathogenesis of alcoholic liver disease(ALD). Consumption of alcohol leads to inc......
High-frequency magnetic properties and superparamagnetism of nanocrystalline Fe_(72.7)Cu_(0.8)Nb_2V_
Typical nanocrystalline Fe_(73.5)Cu_1Nb_3Si_(13.5)B_9 and Fe_(73.1)Cu_(1.2)Nb_(12.5)Si_(12.5)B_(10) alloys containmore ......
Experimental studies on the effects of porosity on acoustic resonance spectroscopy for synthetic por
Based on our previous work on acoustic resonance spectroscopy (ARS) measurement, the ARSs in low frequency modes were me......
Chemical composition, mechanism of antibacterial action and antioxidant activity of leaf essential o
Objective: To identify the chemical constituents of leaf essential oil of Forsythia koreana(F. koreana) and evaluate its......
Barrier impacts on water cut and critical rate of horizontal wells in bottom water-drive reservoirs have been recognized......
To achieve safe and highly efficient mining in the gassy,deep mines of the Huainan collieries simultaneous coal and gas ......
Water-inrush in mine is one of the mine disasters caused by mining.In order to assess the risk of roof water-inrush in W......
为探讨在采动应力反复扰动下煤的变形及渗透特性,利用自主研发的含瓦斯煤岩热流固耦合三轴伺服渗流装置,进行不同稳定时间条件下煤......
基于自然潮差环境下粉煤灰混凝土840 d的暴露试验,本文测试并计算得到了粉煤灰掺量分别为水泥质量的0%、20%、30%、40%和50%的混凝......
粗颗粒土是指粒径在0.1mm以上的颗粒占一半以上的土,无粘性粗颗粒土的粒径在0.01mm以下的细粒含量不足5%,其中含有砂砾石、碎石等,......
Based on controls of structural style and the position in coalbed methane (CBM) development, we used a method of curvatu......
针对防渗工程渗透系数检测的需要,介绍了柔壁渗透仪在测试水泥土固结体试样(钻孔取样)渗透系数中的应用。实践证明,柔壁渗透仪可用于......
盐析法是调剖堵水提高采收率的有效方法。盐在醇中溶解度实验研究表明,氯化钠、乙醇是调剖剂组成的理想选择。调剖剂组分相平衡研......
树脂基纤维增强复合材料的液体成型工艺制件的质量与制备过程中树脂流动浸渍情况紧密相关,微观尺度纤维结构和微观渗透率作为介观......
塔里木盆地寒武—奥陶系白云岩埋藏深、地质年代老,是重要的油气储层。根据初步的物性测试从中挑选出具有较好孔渗性的白云岩类型:......
钾盐是农用钾肥的生产原料,是一种重要的战略性矿产资源。为了最大限度地开采察尔汗盐湖中的固相钾盐资源,2007年在青海省察尔汗盐......
隔水层是指不透水的胶结致密、完整的坚硬岩层。奥陶系峰峰组灰岩含水层顶部到太原组最下一层可采煤层底顶间的岩层岩性一般以泥岩......
[目的]为中式低焦油卷烟设计中应用沟槽滤嘴提供一定的参考依据。[方法]研究不同透气度接装纸和不同吸阻沟槽滤棒对常规烟气成分、......
为了选择抗旱性强的小麦品种。选用陕合6号、郑引1号、小偃22三个小麦品种,室内砂培,当小麦抽生第3个叶片时,自然脱水法测定其离体叶......
针对长江口深水航道治理工程整治建筑物工程NIIC-1区段特殊的工况和地质条件,采用了创新的具有较大空隙率的空心方块斜坡堤结构。根......
针对普通无固相完井液钻度,切力小,携砂悬砂能力差,热稳定性差等问题,研究出改性魔芋粉无固相完井液。该完井液pH值为8-9,表观粘度在30......
首先介绍了渗透性评价指标的测定方法.通过对4组试块(24个试样)进行pH值测试、金属元素含量的测定,得出了岩土的pH值小于7,显酸性,对提......
随着气井生产压差增大,井底压力降低,凝析水或者相对富水区内水体将逐渐向井的方向侵入,导致生产过程中见水,水气比上升。通过对不同地......
The application of wireline formation tester(WFT)gradually extends in oil-field with the constant improvement of instrum......
激发极化驰豫时间是孔隙大小的函数.采用奇异值分解方法对激发极化衰减曲线进行多指数反演.得到光滑的驰豫时间谱,该谱呈现多峰特性。......
N2红土层是我国西北干旱-半干旱矿区广泛存在的、对保水采煤起关键作用的隔水层,为了研究釆动破裂N2红土水土相互作用渗透性变化规......
采用聚酯单丝和尼龙单丝编织成型网,研究上机前后成型网结构和性能的变化.用显微镜观察并分析成型网的表面形态结构,利用强力仪对......
<正> A test system was designed by using a set of self-made experimental devicesof coupled coal-gas in simulating mining......
砂岩是煤系地层中主要的含水层之一,砂岩的非Darcy流渗透特性参量的变化规律是揭示煤矿突水机理的基础.本文通过归纳分析了非Darcy......
对不同粒径Cu粉、不同造孔剂(CuCl2·2H2O、NaCl)及其含量的Cu基热管芯进行了对比试验,分别对其开孔隙度、渗透系数、压缩性能进......
通过分析路面渗水系数与压实度的关系,提出的基于渗水试验的沥青路面压实实时检测与控制方法,经实际工程检测结果表明,可以检测出施工......
目的构建绿色荧光蛋白(GFP)标识的水通道蛋白4(AQP4)示踪系统,建立表达AQP4的大鼠星形胶质细胞水通透性的评价系统。方法利用基因重组技......
数值模拟中通常采用流固耦合的方式来模拟应力敏感现象。但是,流固耦合需要大量的数据以及计算时间。利用多孔介质弹性理论和双重有......
针对油层渗透率和含油饱和度的不同使同种泡沫体系的起泡能力和封堵能力有较大差异,开展了不同渗透率和含油饱和度条件下泡沫体系......
为了采用电穿孔法提高酵母菌细胞的通透性,将通过离心得到的酵母菌制成1×108CFU/mL的菌悬液,采用不同的方波电脉冲条件对其进......
从试井理论出发,得出了影响油井生产能力的主要因素是渗透率和有效厚度.以此为依据,对大庆探区历年来试采井资料进行分析,找出了在......
B3-1井是海拉尔盆地贝尔凹陷上的一口开发井,该井测试后试井解释渗透率比以往区域解释数据高得多.为了准确评价试油层特性,对该井......
针对传统蜂窝吸波材料在低频段吸波效果差的特点,设计了一种蜂窝内壁加载回字形导线的复合吸波结构。这种回形线组合成的二维阵列......
从非饱和土土水特征曲线方程出发,根据渗透函数和土水特征曲线的关系,推导出了非饱和土渗透函数方程.用拟合土水特征曲线试验结果......
以往研究储层应用敏感,由于仪器设备的局限性,只能通过岩样的渗透率研究储层应用敏感.利用CMS-300岩心测定仪不仅可以通过岩样的渗......
储层损害研究是对正在实施化学驱的稠油油藏进行科学降黏、提高采收率的一项重要工作。室内进行NH4Cl和NaNO2化学生热体系分段储层......
常规储层渗透率评价方法,忽视了砂层内部不同流动单元渗流特征的差异,导致渗透率评价精度误差较大。此文依据渗流力学原理,从修正......