Permeabi相关论文
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On condition that the seepage coefficients of sediment and stratum are nar- rowly or widely different, seepage stratum i......
Effects of autoantibodies against β_1-adrenoceptor in hepatitis virus myocarditis on action potentia
AIM:To investigate the effects of autoantibodies againstβ_1-adrenoceptor in hepatitis virus myocarditis on actionpoten......
Mechanical stretch induces mitochondria-dependent apoptosis in neonatal rat cardiomyocytes and G_2/M
Heart remodeling is associated with the loss of cardiomyocytes and increase of fibrous tissue owing to abnormal mechani......
Characteristics of water relations in seedling of Machilus yunnanensis and Cinnamomum camphora under
The soil drought stress experiment in different durations (no watering within 3d, 6d, 9d, 11d individually) was conducte......
Acute fulminant pancreatitis was produced in dogs by injection of autobile into the mainpancreatic duct.After injection......
Particulate composites based on isotactic polypropylene(iPP) and titanium dioxide(TiO 2) have been prepared and their m......
May the assessment of baseline mucosal molecular pattern predict the development of gluten related d
AIM To evaluate mucosal baseline m RNA expression of tissue transglutaminase 2(t TG2), interferon gamma(IFNγ), toll-lik......
A single layer of CoFeB and a multilayer of CoFeB-MgO films are prepared by means of DC/RF magnetron sputter deposition.......
Based on linear poroelastic and hydrogeology theory,a mathematical expression describing the relationship between water ......
A new system facing petroleum industry market has been initially established after the recognition and institutional shi......
This paper presents the general characteristics of salt water intrusion into surface water and groundwater in several c......
The oil recovery enhancement is a major technical issue in the development of oil and gas fields.The smart oil field is ......
Creep properties and permeability evolution in triaxial rheological tests of hard rock in dam founda
Triaxial creep tests were carried out under seepage pressure by using rock servo-controlled triaxial rheology testing eq......
Permeabilization of Escherichia coli with ampicillin for a whole cell biocatalyst with enhanced glut
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
Eggplant phomopsis rot was summarized from the aspects of distribution and damage,pathogen identification and pathogenic......
Simulating hydraulic fracturing processes in laboratory-scale geological media using three-dimension
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
The giant magnetoimpedance effect of the nanocrystalline ribbon Fe84Zr2.08Nb1.92Cu1B11 (atom fraction in %) was investig......
目的 研究登革病毒Ⅱ型(DENV-2)对人脐静脉血管内皮细胞(HUVEC)通透性的影响.方法 DENV-2病毒滴定,DENV-2接种HUVEC单层细胞,用间......
Creep properties and permeability evolution in triaxial rheological tests of hard rock in dam founda
Triaxial creep tests were carried out under seepage pressure by using rock servo-controlled triaxial rheology testing eq......
概要介绍研究区的水文地质条件,在此基础上介绍如何通过压水试验参数求得渗透系数,然后通过渗透系数分析雅砻江官地水电站承压水埋......
介绍了国内外城市固体垃圾处理的新技术,结合中国国情提出新建城市大垃圾场的选址,设计和施工方法,最后重点阐述旧垃圾场的防水改造措......
聚丙烯纤维低弹模混凝土以其优良的工作性能和力学性能成为近年来我国水利工程大坝防渗墙采用的主要材料之一.在室内试验的基础上,......
煤层的渗透率演化对研究矿井瓦斯抽采、煤层气开采及钻孔优化布置起到至关重要的作用。为了研究瓦斯压力-裂隙及应力-裂隙耦合作用......
为了探究菌体调剖驱油在提高原油采收率方面的能力和适用条件,通过并联均质胶结岩心构建了非均质油藏模型,利用物理模拟驱油实验分......
用微孔过滤法测定聚合物(HPAM)溶液分子水力学直径,确定其在不同渗透率岩石中的不可入孔隙体积,并以此作为基础,研究聚合物分子尺寸与岩石渗......
本文分析了强透水地层的渗透规律,并以某基坑为例分析其降水方法。...
研究了穿层钻孔孔群增透的作用原理,阐述了突出煤层穿层钻孔孔群增透技术及工艺。研究表明,在突出煤层采取穿层钻孔孔群增透瓦斯抽......
分析隧道开挖过程中采用地下水控制排放措施时,隧道周围渗流场的变化情况,得出不同注浆圈渗透系数和厚度时隧道开挖排水量的大小,......
针对目前多孔介质微观孔隙结构表征参数与宏观参数相关性低、数据分散的问题,分析了压汞法存在的不足,结合毛管束模型理论,提出了......
This paper presents the general characteristics of salt water intrusion into surface water and groundwater in several co......
在模拟煤与瓦斯突出的激波实验中发现,按瓦斯初压大小存在两种破坏模式;低压开裂和高低压开裂模式中发现了层裂现象:破坏区煤样分成数......
利用自主研制的'600℃20MN伺服控制高温高压岩体三轴试验机'系统,研究了在500m原岩应力状态下(轴压12.5MPa,侧压15.0MPa)......
松辽盆地南部长岭断陷火山岩储层主要发育于下白垩统营城组,在火石岭组部分发育。通过对钻井岩心样品的观察研究,确认储集空间主要有......
利用重正化群方法对沥青混合料的渗透性进行研究,求出沥青混合料渗透的理论临界孔隙率.根据试验结果分析,求出四种沥青混合料渗透的临......
在水平井钻井与完井过程中,由于水平井段易形成岩屑床,油气层受钻井液,完井液的浸泡时间长等原因,水平井油气层损害已成为影响其产能发......
随着大庆油田水驱程度的不断提高,各类储集层的物性和润湿性发生明显变化,影响开发高速措施的制定。为此,利用大庆油田历年检查井水洗......
本文介绍本院野外试验场包气带土壤结构和渗透性参数实验分析的主要方法及其结果。...
本研究通过试验研究了不同水灰比、设计孔隙率及骨料级配对透水再生混凝土力学性能和透水性的影响,并通过冻融试验,研究透水再生混......
《电磁场》教科书中对公式L’_eC’=με有很好的说明。本文应用基本公式给出一个较简短的证明。此证明对实际工程中的均匀传输线......
摘要:在不同温度损伤环境、不同冷却方式下,通过毛细吸收试验测定不同混凝土试件的毛细吸水量与毛细吸水系数的变化,定量地研究温度损......
饱和细粒土体在微震作用下易于产生振动液化现象,严重影响建造在该土体上公路使用功能的正常发挥。为控制施工过程中饱和细粒土的微......
目的观察一氧化氮合酶抑制剂1400W(N-(3-(氨甲基)-苄基)乙脒)对内毒素(endotoxin,ETX)所致的豚鼠血迷路屏障损伤的保护作用,并初步探讨其可......
针对测井储层评价中的渗透率预测问题,基于相控建模理念,采用流动单元分析法,将所研究工区划分为4个特征明显的流动单元;采用最能......
以四川盆地中部磨溪气田下三叠统嘉陵江组二段第二亚段多旋回碳酸盐岩为例,通过岩心观察,利用物性分析、压汞、铸体、扫描电镜等实......
针对隧道开挖引起的渗流场变化问题求解渗流参数,将围岩视为多孔连续介质,利用C++语言基于变分原理自主开发了有限元渗流计算SEEP......
线粒体内膜上心磷脂(CL)和细胞色素c(Cyt c)参与细胞凋亡。二者之间的相互作用能够激活Cyt c的过氧化物酶活性,导致CL发生过氧化作用,......
Poly(arylene ether diketone)s were prepared by the aromatic nucleophilicdisplacement reaction of 4,4’-difluorobenzil with......
Terzaghi gave a theory of soil consolidation based on the effective stress principle, which was derived on several ideal......