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- The new muffler device has simple structure,it has lesser effect on the resistance loss of chief ventil... 该消声装置结构简单,对主要通风机的阻力损失影响小,防尘、防潮及降噪效果明显,可广泛的应用于煤矿主要通风机的消声降噪。
- For example, the Capacity of Jet Fanin tunnel,the flux distribution and resistance loss in the chimney. 重点研究了射流风机在隧道内的的调压性能，竖井三通的气流分布以及局部阻力损失。
- When the pipe diameter ratio varies a little，the local resistance loss of sudden contraction changes insignificantly. 存在一个最佳弯径比，使得水平弯管的局部阻力损失最小。
- Presents the theoretical calculation formula and performs experiments of frictional resistance loss for PP-R hot water pipes. 给出了PP-R热水管沿程阻力损失的理论计算公式,并对其进行了实验研究。
- According to the analysis on pressure of three kinds of duct systems,concludes that the total pressure of a fan should be equal to the resistance loss of the duct system. 通过对三种风道系统的压力进行分析,认为应根据风机全压等于风管系统阻力损失来选择风机。
- The predictions of resistance loss using CFX for two configurations of silencers are compared with experimental results, and the relative error is within 5%. 用CFX计算了两种结构水消声器的阻力损失，并与实验结果进行了对比分析，其误差控制在5%25以下。
- In comparison with other centrifugal gas-liquid separators, the resistance loss of the axial flow guide vane type gas-liquid cyclone separators was less. 轴流导叶式气液旋流分离器与其他离心式气液分离器比较,其特点是阻力损失小。
- Abstract: Numerical simulation is carried out for three-dimensional flow in three types of undulated pipes with different geometrical condition, for analysis on resistance loss of flow in bend duct. 摘要：为分析弯曲管道内部流体流动的阻力损失，分别对不同几何条件下的3种波浪管内部流动进行了数值模拟。
- Air valve size and airflow resistance losses of valves always speed and the size of the spring-loaded edge. 气阀阻力损失大小与气流的阀隙速度及弹簧力大小有关。
- along regulation resistance loss 沿程阻力损失
- Her resistance to the proposal has crumpled. 她对这个建议的抵触情绪已化为乌有了。
- From the air valve operating principles of view, air valve performance will directly affect the work of compressor tanks, air valve for the following requirements : resistance losses small. 从气阀工作原理来看，气阀工作性能将直接影响压缩机气缸的工作，因此，对气阀有如下要求：阻力损失小。
- Each of the bulbs has a resistance of120 ohms. 每一盏灯泡有120欧姆的电阻。
- Copper has less resistance than lead. 铜的电阻比铅的小。
- There has been a lot of resistance to this new law. 反对这项新法律的人很多。
- Our troops encountered only token resistance. 我们的部队仅受到表面上的抵抗。
- Study on Resistance Loss of Paste Pipeline Transportation 膏体管道输送阻力损失研究
- Resistance stiffened even further last week. 上星期抵抗进一步加强了。
- The enemy gave up without resistance. 敌军没有抵抗就投降了。
- Research on resistance loss of membrane fine bubble diffuser 可张孔曝气器曝气能耗试验研究
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
