porosity是什么意思

网络释义

用法例句

The effect of the compound mineral fiber material on the air permeability and thickness of rice paper;

矿物复合纤维原料对手卷烟纸厚度和透气度的影响

The micro-morphology of the leather surface was observed and the air permeability was accurately calculated.

研究了UV固化皮革涂饰剂的光引发剂、光活性单体、助剂与皮革力学性能及表观性能的关系,并对皮革表面微观性能及透气度进行了表征。

The results showed that the brightness of the hand-sheets decreased with increasing dosage of SDS;and the tensile strength of hand-sheets increased first with increasing charge of SDS,then decreased;however,the tearing strength of the hand-sheets decreased first with the increasing dosage of SDS and then increased;the air permeability of the hand-sheets reached maximum at a certain dosa.

研究表明,纸页的白度随非离子瓜尔胶浓度的增加而降低;抗张强度先随非离子瓜尔胶添加量的增大而增大其后随之下降;撕裂度先随非离子瓜尔胶用量的升高而下降其后随之提高;透气度先随非离子瓜尔胶用量的升高而增加达到一个峰值后又降低。

The Study on a New-type On-line Porosity Measuring System;

水松纸透气度在线检测系统研究

A test is done on pre-baked anode made from calcined coke in aspects of apparent density,real density,porosity,resistivity of powder,compressive strength,which shows compressed petroleum coke improves its chemical and physical performances.

采用压密煅烧石油焦制成预焙阳极,通过体积密度、真密度、显气孔率、电阻率、耐压强度、透气度的测试,结果表明,压密石油焦能显著地改善预焙阳极的理化性能,使预焙阳极制造过程中沥青加入量控制在13%,预焙阳极的体积密度达到1。

The components, working principle and daily maintenance of the online porosity measurement system SMP600 and its application on the high-speed cigarette paper machine are introduced.

介绍了SMP600在线透气度检测仪的组成、工作原理、日常维护注意事项及其在生产中的作用。

When making paper with high air-permeability, hydroxyethyl fibers are needed to be beaten in order to increase strength.

在抄造高透气度的纸张时,为适当提高原纸的强度,对羟乙基化浆需要进行一定的打浆处理。

It was discussed that the air-permeability and water-absorption of decorating base paper in thepaper, the measure to control property index was still discussed in detail the Paper.

本文对装饰原纸的透气度和吸液性能作了简要的分析,并对其在生产中的控制作了简述。

Development of Automatic Paper Permeability Meter;

新型纸张透气度自动测量仪的研制

Some measurements for decreasing the variance coefficient and improving the evenness of permeability therefore improving the burning ability of cigarette paper are discussed.

通过调整生产工艺及设备改造,提高了卷烟纸的透气度及均匀性,降低了变异系数,使卷烟纸的质量得到提高。

The factors that influence the permeability of the perorated tipping paper are discussed.

讨论了用连续CO2 激光器对水松纸打孔的原理和实现方案 ,就其中一种方案的打孔结果进行分析 ,指出激光打孔时影响打孔水松纸透气度的一些因素。

soil permeability meter

土壤透水透气度测定仪

Densometer: Itstrument that measures the air resistance of an area of paper.

透气度计:量度一面积的纸骊空气的阻力的仪器。

Test method for air permeability of porousceramics

GB/T1968-1980多孔陶瓷透气度试验方法

Test method for the permeability of carbon materials

GB/T9973-1988炭素材料透气度试验方法

Test method for permeability of refractory products

GB/T3000-1982耐火制品透气度试验方法

Dense shaped refractory products-Determination of permeability to gases

致密定形耐火制品透气度试验方法

Paper and board-Determination of air permeance (Schopper method)

GB/T458-1989纸和纸板透气度的测定法(肖伯尔法)

paper and board-determination of air permeability(medium range)-part 5:gurley method

纸和纸板透气度的测定（中间范围） 葛尔莱法

Paper and board--Determination of air permeance--Gurley method

GB/T5402-1985纸和纸板透气度的测定葛尔莱法

differential transparency of atmosphere

不同层次的大气透明度

Effects of Temperature on Gas and Water Vapor Permeability of Preservative Film

温度对保鲜膜透气和透湿性能的影响

The rate of flow of a liquid or gas through a porous material.

渗透度，渗透率液体或气体通过渗透材料流的量度

testing method for fineness of portland cement by air permeability apparatus

波特兰水泥粒度试验-空气渗透设备法

Effects of corundum granularities on properties of Al_2O_3-ZrB_2 porous plug

刚玉粒度对刚玉-ZrB_2透气砖性能的影响

"Fan me, Mary, fan me!

"给我透透气，玛丽，给我透透气！

air transmission coefficient

透气系数，空气透过率

Relationships Between Gas and Water Vapor Permeability of PE Fruit and Vegetable Film and Temperature

聚乙烯果蔬保鲜膜的透气和透湿性能与温度变化的关系

They have the characteristics of strong intensity, light material, airtight, anticorrosion, aging resistance, low cost, etc.

◆具有强度好、轻、透气、腐蚀、老化、格低等特点。