查询词典 porous

Toray's special polymer technology created a highly uniform micro porous structure that formerly could not be achieved.

东丽的特殊高分子技术创建了一个高度统一的微孔结构，以前无法实现。

In the last, we apply the HMM-FVM to the unsaturated flow in porous media.

最后介绍了其在多孔介质非饱和流动问题中的应用。

A porous unsized paper used for filtering .

大小不同的多孔纸张，用于过滤。

In this paper it took light ceramic globule, cement, perlite and fly ash as the main material , vesicant and the waterproof as the additive, produced a kind of porous material without fibre by the method of common concrete's molding.

本文利用轻质陶粒、水泥、珍珠岩和粉煤灰为主要原料，辅以造孔剂和防水剂，采用一般混凝土的成型方法研制成一种新型无纤维多孔吸音材料。

The dynamics model for the simulation of liquid aluminum alloy in the porous medium is established as the following: x〓=〓 The viscous frictional resistance and additional resistance caused by the liquid metal surface tension when the liquid metal is infiltrating have been fully considered in this model.

在该模型中充分考虑了液态金属渗流时受到的粘性摩擦阻力、液态金属表面张力引起的附加阻力对渗流的影响。

At 80 W, the thermal resistance is 0.11 K/W for the porous surface. For the same condition, the thermal resistance is 0.22 and 0.33 K/W for pin-fin and mesh-covered surfaces, respectively.

以池温50oC之FC-72而言，在80 W时：针状鳍片与网格表面之阻抗分别为0.22及0.33 K/W；多孔隙表面之热阻约0.11 K/W，比光滑表面降低约80 %。

Porous and round particulates are related to the high temperature industrial process, strongly weathered minerals originate from crustal composition, and well-grown crystals may result from chemical reactions in the atmosphere.

矿物微形貌特点和矿物组成揭示了降尘组分主要来源于3种途径：与高温过程有关的工业活动排放的产物，自然成因和大气化学反应的产物。

It is very soft, whitish in colour, porous and just a very fragile wood.

这是一种非常柔软，颜色发白，多孔和非常脆弱的木材。

The determination of surface tension and surface tension components of porous particle with sub-pores by wicking technique was studied.

研究了用薄层毛细渗透技术测定多孔性颗粒的表面张力和表面张力成分。

Occurrence and development of winter-time natural convection cooling effect in the fractured-rock embankment of Qinghai-Tibet highway were investigated using the governing equations based on air-flow function for natural convection in porous media with variable permeability.

通过变渗透率多孔介质流函数控制方程，分析了青藏公路碎石路堤冬季自然对流降温效应的发生和演化过程。结果表明：公路碎石路堤冬季自然对流降温效应从边坡区域最先开始形成，并随着冬季路面温度下降而逐渐向路堤中间区域发展。

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％。