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- air crossing pressure pulse 交会压力波
- The third scheme,whose streamline frontal shape is shuttle shape,with lowest air pressure pulse and aerodynamic drag,was selected as the optimization scheme. 最优方案为列车交会压力波和空气阻力均较小、流线型头部为扁梭形的方案三。
- Test Research on Crossing Air Pressure Pulse of Quasi-high-speed Train 准高速列车交会空气压力波试验研究
- A Pressure Pulse Technique to Test Liquid Permeability of Core with Low Permeability. 测量低渗岩心液体渗透率的压力脉冲技术
- For the meter which has liquate inner, can work in strong vibration or pressure pulse situation. 对于在外壳内充液的仪表,能够抗工作环境振动较强和减少介质压力的脉动影响。
- The background of the pressure pulse bioreactor appearance and its effect on fermentation industry has been described. 评述了压力脉动生物反应器的出现背景及其对生物发酵工业的影响。
- Air Feed Equipment of Low Pressure Pulse Deduster 低压脉冲除尘器的供气设备
- If the shape of tailrace pipe is changed, the pressure pulse can be removed so that the vibration of generating unit can be reduced. 如改变尾水管形状,可以消除涡带压力脉动,减小机组振动。
- Because velocity of flow reduces when the pressure pulse reduces,the noise of impulsion and the noise of vortex increase a little. 因为压力脉动减小导致流速增加,从而使冲击噪声和涡流噪声略有增加。
- Plugging removal with high pressure pulse jet acidization is new technique to be used for increment of production and injection in low permeability oil fields. 高压脉冲射流酸化解堵是用于低渗透油田增产增注的新技术。
- crossing pressure wave of trains 列车交会压力波
- Observe the sedation grade record the change of the blood pressure pulse and SPO2 and the feeling, oblivion extent, satisfaction in the gastroscopy course. 观察其镇静分级,记录检查中血压、脉搏、血氧饱和度的变化,以及在检查过程中的感受情况、遗忘程度、检查后的满意度。
- The method of treating dust for small electric arc cooker using semiairtight cover,long bag low pressure pulse bag filter and computer control is introduced in this article. 介绍一种利用半密闭罩、长袋低压脉冲布袋除尘器及用电脑控制来治理小型电弧炉除尘的方法。
- The air in the garden was warm and fragrant. 花园里的空气一片温馨。
- The archers sent their shafts through the air. 弓箭手向空中射出利箭。
- Wofking Craft of Underground Air Crossing in Wangzhuang Coal Mine 王庄煤矿井下风桥的施工工艺
- sand-dust storm caused by cold air crossing mountains 翻山型沙尘暴
- Air pressure forces the water through the pipe. 空气压力使水通过管道。
- Methods Ninety-six cases were divided into two groups and each group was given different sedative and muscle relaxant.Blood pressure,pulse,ECG and SPO2 were monitored during operation. 方法96例患者分两组,采用不同的镇静药和肌松药,间断正压通气,术中监测血压、脉搏、心电图及氧饱和度。
- In terms of hydrodynamics and acidizing theory, this paper discusses the basic principle, technology and calculation method concerned of plugging removal technique with high pressure pulse jet acid... 该文从水动力学和酸化机理的角度,对高压脉冲射流酸化解堵的基本原理、工艺技术及有关的计算方法加以论述,实际井例证明该技术解堵的增产效果显著。