查询词典 porous

The Preparation and application of tubular porous carbon membrane were studied.

介绍了管状多孔炭膜的制备方法及应用。

Tufa, a porous or spongy deposit of calcium carbonate found in ''.

多孔状凝灰岩石灰质的凝灰岩，碳酸钙多孔或有吸收性的沉淀物，出现在石灰性矿物泉中

Calcareous tufa, a porous or spongy deposit of calcium carbonate found in calcareous mineral springs.

多孔状凝灰岩石灰质的凝灰岩，碳酸钙多孔或有吸收性的沉淀物，出现在''。

Again, also found that alcohol, aromatic oils, soap bubbles, and other organic matter, can become a brown turquoise green, the paraffin immersed porous turquoise in the beginning of a better understanding of their blue; a few months later, then again irreversibly changed the green-brown.

再有，还发现酒精、芳香油、肥皂泡沫和其他一些有机物，可使绿松石变成棕绿色，把石腊浸入多孔隙的绿松石中，初可加深其蓝色；数月后，则又不可逆地变棕绿色。

This paper deals with the effect of ultrasonics on liquids flow through porous media, especially two-phase flow.

本文主要研究了超声波对多孔介质中液体流动的影响，尤其是两相流动的影响。

Experiment of convective drying of wet quartz sands as porous media, which had adiabatic-impermeable boundary of undersurface and convective boundary of upside, was carried out in laboratory.

本文以上边界对流传热传质边界和下边界绝热绝湿边界的含湿石英砂填充床为实验对象，进行了对流干燥实验。

The load fatigue stress coefficient used in the load stress calculation for the porous concrete as undersurface of the cement concrete pavement were derived.

根据疲劳方程提出了以多孔混凝土作为水泥混凝土路面下面层应力计算的荷载疲劳应力系数，沥青路面基层层底拉应力验算的抗拉强度结构系数，建立了进行路面结构设计的轴载换算模型。

Based on a mathematical model assuming that dissociation of hydrate in the porous media takes place in constant temperature boundary condition, the analytical temperature distributions in dissociated and undissociated zones were solved, and thermal efficiency and energy efficiency were derived.

将多孔介质中天然气水合物在热力作用下的分解过程看作一个移动边界问题，在求解等温边界条件下水合物地层中分解区和未分解区温度场的基础上，推导出热力法开采水合物过程中开采热效率（用于水合物分解的热量与输入热量之比）和能量效率（开采所得甲烷气体的总热值与输入能量之比）的解析表达式。

Our unfenced and largely unpoliced border inevitably has been very porous.

我们不设防的广阔而未受监管的边界不可避免地会有许多漏洞。

The results showed that ungrafted microcapsules had porous and unsymmetrical membranes,and the grafted microcapsule membranes exhibited superparamagnetic property with good magnetic field responsiveness and satisfactory thermo-responsive controlled-release property.

结果表明，未接枝的微囊膜为非对称多孔结构，接枝微囊膜具有超顺磁性，在水溶液中的磁场响应性能良好，对模拟药物有一定的温度感应控制释放特性。关键词微囊膜；超顺磁性；温度感应性；界面聚合；等离子体填孔接枝聚合

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。