surface bed的例句大全

The resistance of surface flow has a reverse relation with Reynolds number. With the same Reynolds number, the resistance coefficient of surface flow is greater than that of laminar flow in open channel and increases with increased bed roughness.

坡面水流阻力与雷诺数的呈反比关系，相同雷诺数条件下，阻力系数比明渠层流阻力系数要大，且随床面粗糙度的增加而增大。

Bed surface roughness and bursting phenomena in open channel

表面糙率与明渠紊流猝发现象

Reynolds Number and Froude number of overland flow tend to diminish, water flow velocity tends to diminish, and resistance coefficient tends to increases as bed surface roughness increases in the condition of same slope gradient and flow discharge.

在坡度和流量相同情况下，随着坡面粗糙度增加，坡面流雷诺数和佛汝德数均呈减小趋势；

Subgrade bearing stiffness not less than 60MPa/ m, the existing bed surface to a base foundation coefficient 190MPa/ m, the base-bed ground floor foundation coefficient 110MPa/ m of the embankment supporting stiffness is more reasonable.

路基支承刚度不应小于60MPa/m，现有的以基床表层地基系数190MPa/m、基床底层地基系数110MPa/m的路基支承刚度是比较合理的。

There's a bed of rock a few feet below the surface.

地壳以下几英尺的地方便是岩层。

The surface of the bed frame is provided with one layer of plastic foam or batting which are sewed, so a crossed cord braided spring bed frame cushion is formed.

如将该床绷表面附加一层泡沫塑料或棉絮，再用布料缝合即构成弹力床绷垫。

A hospital bed adapted to facilitate defecation comprises a bed frame and three mattresses covering the whole bed surface.

一种可以“方便”的病床，包括床架，其特征在于：由三块床垫覆盖整个床面；

The effect of in-bed tube structure on bed fluidization as well as that of the fluid-bed combustion on heating surface arrangement is also discussed in the paper.

论述了埋管结构对流化质量的影响，以及沸腾层燃烧份额对受热面布置的影响。

Study and practice of hybrid coal bed gas drainage by surface drilling

地面钻井式抽采混合煤层气研究与实践

The concept "aerodynamic roughness length" defined by Bagnold is an important parameter for wind erosion research. It has been widely applied in sand bed, vegetation conditions, snow bed and water surface.

由Bagnold提出的空气动力学粗糙度概念，是描述各种表面空气动力学特征的重要参数，已被广泛应用于沙面、植被覆盖表面、雪面、水面等。

4) the internal surface area of the alveolar capillary bed ( S_C) was 3525.05 ± 569.91cm~ 2;

4）肺泡毛细血管床内表面积（Sc）：3525.05±569.91cm~2/左右肺；

On the basis of the stressing features of sediment particles on the river bed surface, the probability distribution of instantaneous initiation moment of sediment particles' motion was deduced to be a normal distribution.

根据位于床面上泥沙颗粒的受力特点，取各力力臂为常量，推导得到泥沙颗粒瞬时起动力矩的概率分布为正态分布。

The relationship between surface acidity and alkylation reaction catalytic activity of modified Y zeolite was studied on fixed-bed reactor by FT-IR.

用红外光谱法研究了改性Y型分子筛的表面酸性，并考察了烷基化反应活性与酸性质的关系。

Describes a tangential flow and direct flow cyclone separator, an indispensable part of the circulating fluidized bed ( CFB) boiler, which has much lower resistance than ordinary separators and helps in improving heat exchange conditions of the boiler tail surface.

切流直流式旋风分离器是循环流化床锅炉的关键设备，它与普通旋风分离器相比，可降低阻力50%以上，并能明显改进锅炉尾部受热面的布置。

the frame and storage bed are fixed on ground surface by inflationary spiral;

其主要采用片架、储存台通过膨胀螺栓固定于地面上；

construction's impact on roughness of road surface at the basic level and road bed

路基和基层施工对路面平整度的影响

the paper explains the micro-structure optimization of honed cross hatch on cylinder bore surface, determines its main characteristic parameters and proves them in test bed.

论述了优化缸孔表面平台珩磨的微观结构，确定其主要的特征参数，并进行了台架试验验证。

englacial channels carry melt-water from the surface of the glacier down to the bed-rock underneath.

冰川内部河道将冰川表面的融水带入床岩下。

a control device which is used to control the electric lifting gearing is installed on one side of the bed surface.

在床体一侧安装有控制电动升降机构的控制装置。

determination of mixing ratio of graded crushed stone for surface layer of subgrade bed and its construction technology

路基基床表层级配碎石配合比的选定及施工工艺