1) 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
2) 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。
3) permeability characteristics
渗透特性
1.
Testing study on permeability characteristics of saturated and unsaturated expansive soils;
饱和-非饱和膨胀土渗透特性试验研究
2.
For complexity and diversity of unsaturated soil behaviors,there lies a great difference in permeability characteristics between unsaturated soil and saturated soil.
由于非饱和土的复杂性和多变性,其渗透特性明显不同于饱和土,并且试验难度较大。
3.
The permeability characteristics of unsaturated soils should be investigated in unsaturated seepage computation for dykes on the lower Yellow River.
文章以黄河下游堤防非饱和土的试验为基础,介绍了由压力平板仪法取得的土体水分特征曲线和非饱和渗透系数的试验结果和规律,初步得到了土体的非饱和渗透特性与土体基本特性(干密度、孔隙性、密实度等)之间的对应关系,成果能很好地反映黄河下游堤防非饱和土体的实际情况。
4) seepage property
渗透特性
1.
A study on variation of seepage property on recharge source surface under the effect of water with different turbidities is made through a series of indoor simulation tests,and with that the variation law is found out.
针对补给源表面层渗透特性的问题,进行了一系列室内模拟试验,对不同浊度水作用下补给源表面层渗透特性的变化作试验研究,总结出不同浊度水作用下补给源表面层的渗透特性变化规律。
5) extralowpermeability formation
特低渗透性地层
6) pervaporation characteristics
渗透汽化特性
1.
Its pervaporation characteristics in extracting volatile organic solvents such as pyridine, butanone and tetrahydrofuran from water were investigated.
制备了聚三甲基硅丙炔与聚 4-甲基戊烯 - 1均质膜 ,研究比较了这两种膜的分子结构与其对吡啶、丁酮和四氢呋喃三种有机液 /水混合体系的渗透汽化特性间的关系 ,并进行了理论解
补充资料：5881万能渗透剂
分子式：
CAS号：
性质：学名脂肪醇聚氧乙烯醚，又称润湿剂JFC、浸湿剂JFCS、5881万能渗透剂、尼凡丁、渗透剂EA。为淡黄色液体。PH值中性。浊点40～50℃。易溶于水，5%水溶液加热到45℃以上呈混浊状，降温又恢复原状。耐强酸、碱、次氯酸盐、硬水及重金属盐。属非离子型表面活性剂。对各种纤维无亲合力。无毒，不易燃。由脂肪醇与环氧乙烷聚合而得。属非离子表面活性剂，渗透力强，用作纺织、印染及皮革涂层渗透剂、生物酶退浆助剂、农药加工助剂。
CAS号：
性质：学名脂肪醇聚氧乙烯醚，又称润湿剂JFC、浸湿剂JFCS、5881万能渗透剂、尼凡丁、渗透剂EA。为淡黄色液体。PH值中性。浊点40～50℃。易溶于水，5%水溶液加热到45℃以上呈混浊状，降温又恢复原状。耐强酸、碱、次氯酸盐、硬水及重金属盐。属非离子型表面活性剂。对各种纤维无亲合力。无毒，不易燃。由脂肪醇与环氧乙烷聚合而得。属非离子表面活性剂，渗透力强，用作纺织、印染及皮革涂层渗透剂、生物酶退浆助剂、农药加工助剂。
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