英汉例句

• the gas permeability decrease rate can be expressed as power function of time.

  逆流自吸引起的气相渗透率下降速率可以表示成时间的幂函数。

• polyaramide with easily rotational backbone has higher gas permeability, for two polymers with the samebackbone, gas permeability is higher for one with methyl side group on its aromatic ring.

  高分子主链的化学结构相同，苯环上带有侧甲基的聚合物有高的气体透过系数；

• the characteristics of pore structures, surface appearance, the ratio of gas permeability (j) and separation factor (α), etc were performed by sem, xrd and gas permeability experiments.

  并通过sem、xrd及气体渗透性等研究，从孔结构、表面形貌、气体渗透率和分离因子等多方面进行表征。

• result hydrophobic coating porous plate could evidently increase the water retention pressure, but also increase pressure drop of gas permeability in varying degrees.

  结果憎水涂层多孔板的水滞留能力显着提高，但其渗透压降也不同程度地增加。

• by analyzing bf operation data, it was proved that the limitative factor of bf operation intensity is the gas permeability of bosh(bosh gas nidex).

  通过分析高炉的生产数据，总结出了限制高炉强化的因素是高炉内煤气通过炉腹的能力。

• preparation of some new sealants for cavity-glass is described, and their gas permeability coefficients, adhesion, weather resistance are discussed and compared.

  介绍了几种新型中空玻璃密封胶的配制，并对其气体渗透系数、粘接性能、耐候性等进行了讨论和比较。

• the coefficient of gas permeability increases by several hundred folds in the range of this 「u」 deformed loop.

  在「u」字形松动变形范围内，煤层透气性系数增加数十倍。

• a cell for determining gas permeability of polymer tubes is designed, and a gas chromatographic method is used to measure the gas permeability of ptfe tubes.

  设计了一种管状试样的透气池。用气相色谱法测定了聚四氟乙烯管的透气性。

• the results showed that the gas permeability of gangue concrete would decrease with the increase of curing period and drop faster early, late stabilized.

  结果表明：煤矸石集料混凝土气渗系数随龄期增长而降低，且下降速度前期快、后期慢； 在龄期一定条件下，气渗系数随水灰比增加而增大。

• during mechanical longwall top coal mining, the gas permeability in top coal ahead of working face has bigger difference compared with slice mining due to the increase of mining height.

  综放开采由于采高的加大，导致采场前方顶煤中瓦斯渗透性与分层开采有较大的差异。

• it is not only wear-resistant, but also of good gas permeability .

  它不仅耐磨，而且具有良好的透气性。

• one of the main methods to test the gas permeability is using partial pressure difference.

  用压差法测试塑料薄膜的透气性，是一个长期使用的主流测试方法。

• radial and tangential gas permeability of masson pine wood were measured respectively in this paper.

  分析和讨论了影响马尾松木材渗透性及其各向异性的机理。

• tg-dta, sem, xrd, ir, bet and gas permeability measurements have been employed to observe and test each membrane.

  使用tg-dta、sem、xrd、ir、bet以及气体的渗透性实验等方法对所制备的支撑体、过渡层和顶层膜进行了观察与测试。

• the new equations for gas permeability of the coal samples are formulated by the numerical simulations of experimental data.

  并根据大量的实验数据，拟合得到含瓦斯煤的渗透率随围压和孔隙压力变化的经验方程。

• this test method has the advantages of simple on the operation and good of airproofness. it is believable and reasonable to use this method for assessing the gas permeability property of concrete.

  实验证实，本方法具有操作简便、密封性能好、测试数据可靠的特点，以此方法来评价混凝土的气体渗透性能是合理可信的。

• gas permeability and permselectivity of the inorganic membrane catalytic reactor have been investigated.

  考察了气体在膜催化反应器中的渗透性能与分离性能。

• the results of the test have shown that the operating technology for colloidal silicate binding is comparatively simple and the strength and gas permeability of the mold are comparatively good.

  通过与硅酸乙酯水解液粘结剂的比较表明，以硅溶胶作为透气性金属陶瓷材料的粘结剂，其材料的制造工艺简单、强度较高、透气性较好。

• application: suitable designed for usage in fuel hose where resist to gasoline, diesel and alcohol-enhanced fuels. low gas permeability allowed the hose for other gas tight application.

  使用合适的设计，使燃油管在输送汽油、柴油时减少了燃料损耗。降低了气体渗透性。允许软管输送其它气体。

• hollow fiber membranes with good gas permeability can be obtained after the extraction of the paraffin oil and stretching to a small extension.

  将石蜡油提取掉后稍加拉伸即可得到透气性很好的微孔中空纤维渗透膜。

• pvc flocking materials used by high-frequency hot press molding, gas valve back up, with both gas permeability and gas leak-proof function.

  用植绒pvc料经高频热压成型，倒阀门气嘴，具有双层防漏气渗气功能。

• the study shows that the backwash imbibition leads to gas permeability decrease, resulting in weakening of reservoir protection effects of underbalanced drilling;

  结果表明，水基欠平衡鉆井过程的逆流自吸效应引起巖石气相渗透率降低，削弱欠平衡鉆井的储层保护效果；

• gas permeability will increase if a flexible group is introduced into rigid chain.

  刚性链段中引入柔性基因，可增大气体透过系数；