应用几种不同的湍流模型，模拟计算水力光滑管的沿程阻力系数。
Friction loss factors of hydraulically smooth pipes have been calculated by using several different turbulent models.
相对光滑管，中心管采用肋片管使蒸汽重整器性能有明显的提高。
Reformer tube with finned central tube improves the performance remarkably comparing with smooth central tube.
研究由一种新的旋流发生装置所形成的自由旋流在光滑管入口段的传热情况。
Heat transfer in turbulent free swirl flow produced by a new developed swirl generator in the inlet region of a smooth pipe has been studied.
本文对氟利昂22在水平光滑管和内螺纹管内的流动沸腾换热特性进行了实验研究。
Flow boiling heat transfer characteristics in horizontal smooth tubes and internal grooved tubes of R22 are experimentally investigated.
针对该问题，开展了用钢质螺旋槽管替代原有铜光滑管并使其达到原有换热性能的研究。
In order to resolve this problem, a detail study was carried out on using steel spirally fluted tubes replacing copper plain tubes without lowering the previous performance of heat transfer.
因此，可以采用钢质螺旋槽管替代低压加热器中的铜光滑管，实现锅炉给水系统无铜化运行的要求。
Therefore, using steel spirally fluted tube replacing copper plain tube in HP preheater can be adopted for the boiler feedwater system without copper.
因此，可以采用钢质螺旋槽管替代高压加热器中的铜光滑管，实现锅炉给水系统无铜化运行的要求。
Therefore, the copper plain tube in HP heaters can be replaced with the steel spirally fluted tube for the requisition of having no copper in boiler feed water system.
研究结果表明，壁面粗糙度对瓦斯爆炸过程的影响很大，相比光滑管道，粗糙管的火焰速度大幅度提高；
The research result shows that the wall roughness has great effects on flame transmission in gas explosion.
研究结果表明，与传统的光滑管弓形隔板换热器相比，板式换热器能非常有效地强化空气侧的膜传热系数。
The results showed that compared to conventional smooth segment baffle heat exchanger, the plate heat exchanger(PHE) can effectively strengthen the film heat transfer coefficient of the shell side.
实验结果表明，耐腐蚀铜合金高效换热管作为冷凝器时，其传热性能比普通换热管（如光滑管）要高出一倍左右。
The results show that the performance characteristics of anti-rotten efficient cooper alloy tube as a condenser are about two times of those common tubes(such as smooth tubes).
为了提高在以溴化锂为工质的第二类吸收式热泵吸收器的性能，在第二类吸收式热泵吸收器内对不锈钢螺旋槽管，即不锈钢光滑管的传热传质性能进行了实验研究。
To improve the performance of heat transformer, a spirally corrugated tube in the absorber was used. And research for its heat and mass transfer performance was conducted experimentally.
本文研究制冷剂r 113和废塑料制汽油过程中产生的裂解气在水平光滑管、螺纹管与“犁刺”管上的冷凝强化传热。发现“犁刺”管的制冷传热效果约为光滑管的14倍，为螺纹管的10倍。
This paper researches into enhanced heat transfer of condensation of splitting gas of waste plastics and R113 on the general smooth tubes, the screw tubes and the aculei finned tubes.
而玻璃管非常光滑。
管腔内表面光滑，表面有一层白色的黏膜覆盖。
The internal surfaces of prosthesis were smooth and glossy with white tunica mucosa covered.
在安装夹管阀时，如果采用橡胶、PVC或任何“光滑的”配套法兰，则我们建议在两个法兰之间加装一个金属锯齿垫圈以增强密封效果。
When installing a pinch valve to a rubber, PVC, or any "slick" mating flange, we recommend that you install a metal serrated gasket between the two flanges to assist in the seal.
本文对非降或非增单值函数光滑曲线的绘制方法进行了改进，从而合理地绘制出毛管压力曲线。
In the paper, the technique of drawing a smooth curve of non-reduced or non-increased single-valued function is improved so that the capillary pressure curve can be drawn rationally.
介绍了利用光滑导轨、弹簧振子、高亮发光二极管演示李萨如图形的方法。
Using smooth guides, spring oscillator and high brightness LED, a simple method of demonstrating Lissajous figure is introduced.
结果：儿童颈部淋巴管瘤的典型CT表现：肿瘤边缘光滑，呈密度均匀的囊性包块，增强扫描可见肿瘤囊壁较薄，呈轻度强化，囊内不强化。
Results: Typical CT findings of cl in children included: cystic mass with smooth margins, uniformed density, thin walls, minimal rim enhancement and lack of enhancement in cystic Spaces.
实验研究了微肋螺旋管内两相流动传热性能，并与光滑螺旋管进行了比较。
The two-phase flow heat transfer capability is tested and compared with the smooth helical tube.
在那儿，离我不到二英尺的地方有一朵黄色的番红花，再往前，又一朵紫色的，各自花萼下面光滑如缎子的花管都鼓了起来，正含苞待放。
And there, not two feet from me, is a yellow crocus, and behind it, a purple one, each satin tube swelling and preparing to open.
高品质漆化：管身采用热转印工艺，漆化处理，色泽亮丽，触感光滑，不褪色，环保耐腐蚀，耐磨耐划。
Superior painting: The stick tube treated by heat transfer printing process and painting has bright colour and smooth touching sense. It is free of colour fading, resistant to corrosion and wear.
对照组血管壁均较光滑，各段动脉出现粥样斑块的比例均<20%，且动脉斑块较小，没有管腔狭窄的发生。
Vascular wall was smooth in the control group, the ratio of atheromatous plaque was less than 20%, the artery plaques was small and there was no vascular stenosis.
新管光滑的表面增加水的流速，故可弥补管断面积减少的缺点。
The smoothness of the new internal surface increases the flow velocity and thereby compensates the reduced cross-section.
新管光滑的表面增加水的流速，故可弥补管断面积减少的缺点。
The smoothness of the new internal surface increases the flow velocity and thereby compensates the reduced cross-section.
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