查询词典 helically

AFM observation further indicates that the sidewalls of SWCNTs are helically wrapped by DNA, which results in stable SWCNTDNA complexes.

AFM结果进一步证明DNA均匀缠绕在单根离散的碳纳米管外壁，形成稳定的SWCNTDNA复合物。

AFM observation further indicates that the sidewalls of SWCNTs are helically wrapped by DNA, which results in stable SWCNT-DNA complexes.

AFM结果进一步证明DNA均匀缠绕在单根离散的碳纳米管外壁，形成稳定的SWCNT-DNA复合物。

The heat exchange tubes (29, 30) are wound helically around the water tank (21) and secured to the tank wall (32) in a heat conductive relation with the tank (21) under the stated stress.

热交换管（29，30）螺旋地缠绕在水箱（21）上，并且当这些管通过热传导连接材料被固定在箱体壁（32）上时是处在一定的应力之下的。

Many industries use helically and spirally coiled heat exchanger tubes for single-phase, evaporating, and condensing flows.

在很多工业领域中，螺旋管式热交换器都得到广泛的应用，它可适用于单相流体、蒸汽以及可压缩流体的流动。

Plastic pipe reinforced by cross helically wound steel wires, which has excellent performance, is a new type of plastic-matrix steel composite pipe.

钢丝缠绕增强塑料复合管是一种性能优良的新型复合管。

An investigation on the local heat transfer coefficient of a helically segmented finned tube surface in a tube bundle was conducted by experiment in cooperation with numerical calculation.

对齿型螺旋肋片管管束内部沿管表面周向的局部放热系数进行了研究。

At an early stage in the evolution of the high-speed diesel a variable timing device was introduced in the pump drive coupling, taking the form of a helically splined coupling by means of which the angular relation between driving and driven shafts could be varied by manual or automatic control.

在高速柴油机发展的早期，可变的正时装置被引用到油泵驱动联轴节上，采用螺旋式花键套管的形状，驱动轴和从动轴之间的相对角度可以通过手动或自动控制进行改变。

Helically finned tube ; convection heat transfer ; local heat transfer

螺旋肋片管；对流传热；局部传热

With oil,gas,water as working fluids,the experiment studies of frictional pressure drop characteristics of oil gas,gas water two phase flow in vertical helically coiled tubes were carried out.

mm中采用两种直接取压方式-缝隙取压和小孔取压，对单相摩擦阻力特性进行了实验研究，并通过改变缝隙宽度，研究缝隙宽度对压降测量偏差的影响。

Based on Chen's correlation and our experimental data, a new revised correlation was proposed for the calculation of frictional pressure drop of gas liquid two-phase flow in helically coiled tubes oriented with various axial angles.

在对试验结果及前人研究结果进行详细分析的基础上，获得了第一个能适用於不同倾角放置螺旋管的单相及汽液两相摩擦阻力计算式，从而为汽液两相摩擦阻力及螺旋管的进一步研究和应用提供了依据。

Do not gum up the work by telling mother what we are going to do .

别告诉母亲我们要干的事，那会把事情搞糟的。

In recent years, application of the partial prestressed concrete beam s is developed.

近年来，随着部分预应力砼梁应用的推广，发现我国规范所采用的名义拉应力法的计算结果不稳定。