back flow
英 [bæk fləʊ]
美 [bæk floʊ]
倒流；回流
双语例句
- Bleed off pressure and check for back flow.
释放泵压，检查是否有回流。 - The vertical partition board is reserved, which ensures that the advantage of the regenerating mode on back flow can be still exerted.
保留了竖向隔板，使回程式再生方式的优点仍可得以发挥。 - This prevents the back flow of stools into the small intestines.
这避免粪便倒流到小肠里。 - The same risk applies to vacuum pumps in which the back flow from shutting down at the end of the day may cause contamination.
同样的风险同样存在于真空泵，每天结束生产停机时产生的空气回流也可能导致污染。 - This paper simulates the effect of crosswind on the thermal performance of wet cooling tower and puts forward a feasibility advice of fixing back flow canal around the tower to reduce the water loss.
模拟了横向风对冷却塔热力特性和飘水损失的影响；提出了沿塔周设置回流槽的措施，以减少飘水损失。 - The main type of process include: molecule sieve expansion cyclemolecule sieve back flow expansion cycle, molecule sieve single nitrogen tower, etc.
主要的流程类型有：分子筛纯化正流膨胀、分子筛纯化返流膨胀和分子筛纯化单塔制氮流程等。 - Capacitance vessels constrict, increasing the back flow of venous blood.
容量血管收缩，静脉回流量增加。 - In this situation, dirty water from the hillside pool will back siphon or back flow down the hosepipe and into the clean water tank.
在这个情况，肮脏的水从山坡水池将后面或后面流程在下橡胶软管并且入干净的储水箱。 - This pressure inversion can cause back flow of the process materials into the cylinder, or "suck back".
这种压力倒置会引起过程物质回流入钢瓶，或吸回。 - Suitable means shall be provided to prevent back flow of water into steam pipes in case there is any sudden drop in steam pressure.
适当是指应能达到防止水回流到蒸汽管内，导致任何的气压突然下降。 - You said you could see life, or Arthur Abel, skulls on firearms, ammunition and some in critical condition, life is a back flow.
你说你可以看见人生，亚瑟或是该隐，头盖骨上有的枪支弹药和生命垂危，一回头便是一生周转。 - A model for pressure decline analysis under the condition of considering back flow and compressibility of fracturing fluids was developed on the basis of material balance theory and the rule of fracture propagation.
以物质平衡原理和裂缝延伸规律为基础，在考虑压裂后立即放喷和压裂液的压缩性的情况下，建立了裂缝强制闭合时的二维压降分析模型。 - Objective To investigate the effects of conserving external jugular veins for compensating the back flow of intracranial veins.
目的观察结扎双侧颈内静脉后颈外静脉对颅内静脉回流的代偿作用。 - By making experiment on stirring paddle technique datum, improve hydraulic reflux and solve the problems of back flow blockage.
以机械搅拌用于水处理中混凝过程为研究对象，通过对搅拌桨板技术数据的实验和改进，改变了水力强度，解决了回流缝易堵的问题。 - Analysis of Back Flow in the Two-screw Pump Used for the Delivery of Multiphase Fluid
双螺杆多相流混输泵内部回流机理分析 - Reason analysis for back flow blockage of mechanical whisk settling pond
机械搅拌澄清池回流缝易堵的原因分析 - And the increase of radial pressure gradient results in the existence of several back flow fields.
一次风扩口角度的增大，引起径向压力梯度的增大，从而形成了多次回流区域的存在。 - A system of supercritical CO 2 extraction distillation and a unit of preventing CO 2 from back flow and distributing CO 2 were designed. Experiment on extraction distillation of wheat germ oil was carried out in this system.
设计了超临界CO2萃取－精馏系统和超临界CO2止逆分布器，并在该系统上进行了小麦胚芽油的萃取－精馏试验研究。 - In this paper, we present a new type of hybrid arc quenching system, which controls the metal vapor and back flow of the hot air in splitters arc quenching chamber.
本文研究了一种将窄缝与栅片配合应用于限流断路器的新型混合式灭弧系统。控制了栅片间金属短弧的金属蒸气喷流，同时削弱灭弧室中热气体的回流。 - Qualitative research has been conducted on the movement of bottom sediment in the back flow area and on the rule of siltation.
对回流区的底沙运动、淤积规律进行了定性研究； - For the destruction of mud gelatination structure by two actions of shear and back flow, the bypassed mud in the narrow clearance can be removed so that the displacement rate becomes higher than before.
正是由于这种剪切与回流作用破坏了泥浆的胶凝结构，消除了环空窄间隙处的泥浆滞流，因而提高了注水泥顶替效率。 - A model for pressure decline analysis under the condition of considering back flow and compressibility of fracturing fluids
考虑放喷及压裂液压缩性时的压降分析模型 - The experimental results show that the efficiency of the half-open impeller is higher and the back flow has important influence on the performance of pump.
试验结果表明，半开式叶轮离心泵的效率较高，说明叶轮内部的回流是影响离心泵性能的重要因素。 - The test results show that the apron can reduce back flow at the dam toe, and the piers can obviously diminish river bed scouring near the scour resistant wall.
试验结果表明：护坦减轻了下游纵向围堰左侧坝趾处的回流淘刷，隔流墩明显减轻了防冲墙附近河床的冲刷，确保了坝基和下游纵向围堰的安全。 - The difference between Monte Carlo method and Markov process model for the multistage reactor system with back flow has been discussed.
针对多级返混流系统，比较了Markov过程模型与MonteCarlo方法的区别。 - High pressure collimated jet is characterized by three distinct flow regions: breakup, collimation and back flow.
高压准直管水射流具有扩散流动段、平行流动段和回气流动段； - The results revealed that, the down-channel velocity w variation with y indicated a back flow occurred;
研究结果表明，沿流速度呈现明显的拖曳流和压力流复合的特征； - The doctrine of menstruation back flow planting proposed in the past once provided powerful basis for EM rise.
过去提出的经血逆流种植学说，曾为内异症的发生提供了有力依据。 - It used the unstructured tetrahedron unit to produce the computation grid on the geometric model of the dust extraction fan blade cascade and back flow passage flow field, and increased density in the area of blade channel and gaps which flow changed fiercely.
在建立的除尘风机叶栅及后流道流场几何模型上，采用非结构四面体单元分块生成了计算网格，在流动变化剧烈的叶片通道和间隙区域内适当加密网格。 - In the end research the anti-surge control strategies of anti-surge controller, the adoption of closed-loop and open-loop control strategy in anti-surge controller can quickly find and suppress surge, the surge controller adopts advanced modules to reduce back flow of the compressor to save energy.
最后研究了防喘振控制器的防喘振控制策略，使用闭环和开环两种控制策略可以快速的发现和抑制喘振；防喘振控制器采用先进的模块，可以降低压缩机的回流量，节约能源。