1) reduction infiltration characteristic
阻渗特性
1.
Based on the data home and abroad, combined with the National Natural Science Foundation, use the technical route combine indoor and outdoor experiment and theory analysis, this thesis mainly study the effect factors and reduction infiltration characteristics of air pressure entrapped in soil under one dimension infiltration, two dimension infiltration and three dimension infiltration.
本文在查阅国内外大量相关文献资料的基础上,结合国家自然科学基金等项目,采用室内外试验和理论分析相结合、以室内试验为主的技术路线,利用自行研制的试验设备主要研究了一维垂直入渗、二维入渗和三维入渗条件下禁锢土壤空气压力的影响因素和禁锢土壤空气压力的阻渗特性。
2) Flow Characteristics
渗流特性
1.
Research on Some Flow Characteristics during Water Flooding in Viscous Oil Reservoirs and Improving Development Effects;
稠油油藏注水渗流特性与改善开发效果研究
2.
Effect of electrolyte on flow characteristics of polymer solution and its acting mechanism;
电解质对聚合物溶液渗流特性影响及作用机理研究
3) seepage characteristic
渗流特性
1.
Influence of boundary-layer fluid on the seepage characteristic of low-permeability reservoir;
边界层流体对低渗透油藏渗流特性的影响
2.
Effect of particles sedimentation during leaching on seepage characteristic of copper dumps;
微粒渗滤沉积作用对铜矿排土场渗流特性的影响
3.
Study on nonlinearity seepage characteristic and mathematical model of movable gel;
可动凝胶体系非线性渗流特性及数学模型研究
4) seepage properties
渗透特性
1.
Testing study on seepage properties of broken sandstone;
破碎砂岩渗透特性与孔隙率关系的试验研究
2.
The results show that water inrush is controlled by the height and seepage properties of every stratum, and the physic properties of the fluid, and the boundary pressures.
研究表明:矿井突水是由岩层的厚度、渗透特性、渗流液体的力学性质及边界压力共同决定的;当渗流系统的控制参量与边界压力满足一定的条件时,此系统失去稳定性,并引发突水灾害;当某岩层的渗透率比其他岩层低一个量级,而非Darcy流β因子比其他岩层高两个量级时,该岩层为渗流系统的关键层,其渗透特性对系统的稳定性起支配作用。
3.
A dynamic model of test system is established to study the seepage properties of non-Darcy flow in rock specimen,and seepage properties parameters(permeability,non-Darcy flow β factor,and acceleration coefficient) of limestone specimens are picked up based on the analysis of individual time series of porous pressure gradient.
利用瞬态渗透法测定了石灰岩在应力–应变全过程的非Darcy流渗透特性,发现一种新的试验现象,即在峰后大应变状态下非Darcy流β因子为负。
5) permeability
[英][,pə:miə'biliti] [美][,pɝmɪə'bɪlətɪ]
渗透特性
1.
Experimental Research on Permeability of Burnt Rock Under Servo-control Condition;
烧变岩石伺服条件下渗透特性试验研究
2.
Microscopic porous characteristics and permeability of coal rocks of an outburst coal mine;
突出矿煤岩微孔隙特征及其渗透特性
3.
Experimental study on the permeability of coal rocks of an gas-rich coal mine
某高瓦斯矿煤岩渗透特性的实验研究
6) properties of pore and permeability
孔渗特性
1.
Study on relationship between properties of pore and permeability and crossover time of deep and medium induction logging;
关于储层的孔渗特性与深、中感应测井交会时间关系的探讨
补充资料：正温度系数热敏陶瓷阻-温特性曲线
分子式：
CAS号：
性质：描述正温度系数热敏陶瓷电阻率与温度关系的曲线。钛酸钡基PTC热敏陶瓷阻-温特性曲线。电阻率随着温度的升高，先是降低，当达到某一值Tmin时，曲线出现极值，经过极值后电阻率随温度升高而急剧上升，此时对应的温度Tb称为开关温度。电阻率随温度上升达到最大值时所对应的温度为Tm。经过Tm后，阻温特性曲线发生弯曲，电阻率开始逐步降低，此时对应的温度为Tp。温度处于Tb至Tm之间时，热敏陶瓷呈现正温度系数(PTC)特性。其电阻温度系数αT= ，式中Rb，Rp为Tb，Tp温度下的相 应零功率电阻值。αT大于10％/℃，为开关型热敏陶瓷电阻器。αT小于10％/℃，为缓变型热敏陶瓷电阻器。
CAS号：
性质：描述正温度系数热敏陶瓷电阻率与温度关系的曲线。钛酸钡基PTC热敏陶瓷阻-温特性曲线。电阻率随着温度的升高，先是降低，当达到某一值Tmin时，曲线出现极值，经过极值后电阻率随温度升高而急剧上升，此时对应的温度Tb称为开关温度。电阻率随温度上升达到最大值时所对应的温度为Tm。经过Tm后，阻温特性曲线发生弯曲，电阻率开始逐步降低，此时对应的温度为Tp。温度处于Tb至Tm之间时，热敏陶瓷呈现正温度系数(PTC)特性。其电阻温度系数αT= ，式中Rb，Rp为Tb，Tp温度下的相 应零功率电阻值。αT大于10％/℃，为开关型热敏陶瓷电阻器。αT小于10％/℃，为缓变型热敏陶瓷电阻器。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条