Objective To study the role of superficial venous trunks in the venous drainage of reverse-flow flaps.
目的 明确浅静脉干在逆行皮瓣的静脉回流中的作用。
Conclusion The two routes of venous reverse flow in reverse-flow island flap coexist and complement e...
结论逆行血供皮瓣中静脉逆流的“迷宫式途径”和“瓣膜失效途径”是共同存在、互为补充的。
Objective: to provide anatomic basis for the application of reverse-flow flap pedicled with saphenous nerve and its nutrient vessels.
目的：为隐神经及其营养血管为蒂的逆行皮瓣的应用提供解剖学基础。
The authors propose a new concept of primary reconstruction of the donor foot using a reverse-flow anterior tibial flap from the same leg.
趾移植、足背皮瓣、第二足趾移植和趾关节移植等进行手再造后，应用同侧小腿胫前逆行皮瓣进行一期足部供区重建。
Conclusion Superficial venous trunks can promote the venous drainage of reverse-flow flaps, reduce venous stasis and enhance the survival rate of flaps.
结论浅静脉干可促进逆行皮瓣的静脉回流，减轻淤血，提高皮瓣成活率。
The variation of local friction coefficient is similar to velocity and local minimum value occurred in reverse flow area.
摩擦阻力的变化趋势与速度类似，在产生逆向流处出现局部极小值。
When the pressure difference changes with time, a phase shift will occur between the transient pressure difference and displace of valve flap, which could cause leakage and even reverse flow.
当阀片两侧的压差随时间变化时，阀片的启闭与压差的变化之间存在一定的相位差，有可能引起泄漏甚至反向流动。
Due to the use of amine collector, the double reverse floatation flow had overcome the shortage of heating in the routine floatation of phosphorus, and its drug cost was relatively low.
双反浮选流程由于使用了阳离子胺类捕收剂，一定程度上克服了胶磷矿常规浮选需要加温的缺点，并且药剂成本较低。
As a result, the generating action of the induction machine will cause the power flow to reverse and the kinetic energy of the drive system will be fed back to the supply.
结果，由于感应电动机为发电机，功率流将反向，拖动系统的动能将被反馈回电网。
Kinetic studies of HDL particles or apolipoproteins provide information on the flow of lipids and have been used to investigate reverse cholesterol transport.
HDL颗粒的或载脂蛋白的动力学研究为脂质流动提供了信息，已经被用于研究胆固醇逆向转运。
High voltage due to DG: High voltages may be caused by reverse power flow.
分布式发电系统引起的高电压：反向功率流可能引起高电压。
Check valve before the valve is to use the pressure after poor hoist the automatic valve, it is the role of the media flows only in one direction, reverse and stop its flow.
止回阀是利用阀前阀后的压力差而自动启闭的阀门，它的作用是使介质只做一个方向的流动，而阻止其逆向流动。
In this paper, the effects of diameter and air inlet on flooding and flow reverse have been studied by experiment.
通过实验研究了管径和气体入口条件对竖直管内淹没和流向反转的影响。
The mixing capability of reverse kneading block were better than neutral kneading block, it impacted slightly by the volumetric flow rate, and improved with the increase in screw speed.
反向啮合块的分布混合能力优于中性啮合块，受体积流率影响不大，随螺杆转速提高而增强。
On the basis of geometric dimension and flow pattern of tangential reverse flow cyclone separators, a pressure drop mathematical model is presented through analysis of pressure drop components.
根据切向反转流旋风器的结构特性和流场特性，分析了该种旋风器的阻力构成并给出了相应的计算模型。
The organic solvent residue of lycopene oleoresin was removed with reverse supercritical CO2 fluid extraction under various combinations of pressure, temperature, flow rate of CO2 and extraction time.
采用超临界CO 2流体萃取技术，对番茄红素油树脂中的有机溶剂残留进行反向萃取。
By investigating the direction of force acted upon particles and the direction of fluid flow in the classifier, the concepts of cross flow classification and reverse flow classification were proposed.
考察了分级过程中颗粒所受的力场和介质流体的流动场，分析和比较了与之对应的两种不同形式的分级，即颗粒物料的逆流分级和错流分级。
It is known that setting point and cold filter plugging point of low pour point diesel with cold flow promoter can reverse during the storage and use process.
加入低温流动性能改进剂生产的低凝柴油，在储存和使用过程中存在凝点、冷滤点反弹回升现象，因此对辽河原油的常压柴油、加氢裂化柴油进行了加剂研究。
Deep study was made on reverse smoke flow during fire in the entry by theoretical analysis method.
采用理论分析的方法，对水平巷道火灾时期的烟气逆流现象进行了深入研究。
RESULTS: the reverse flow were detected at the mitral valve orifice of left atrium, at the opposite of which in left atrium the front flow were also detected.
结果：在观察到二尖瓣口左房侧负向血流的同时，在其左房的相对面可测到前向性血流。
The seat area of the integral body design minimizes pockets where material can accumulate. Illustration above shows direct flow configuration. Reverse flow options are available.
整体阀体结构的阀座区域能够最大限度消除可能产生淤积的死角。上列插图显示直接流向结构。可以提供逆流或倒流结构供选择。
Using the program to generate 3-D multi-block abutting structured grid of reverse jet flow field with the controlling of concentration and orthogonalization.
并在此基础上采用一定的加密、正交化方法，生成了三维反向喷流流场分区对接结构网格。
The numerical result shows that the power flow direction is reverse to that of phase velocity.
数值结果显示了在这种波导中能量的流向和相速度具有相反方向。
The float shoe prevents reverse flow, or U-tubing, of cement slurry from the annulus into the casing.
浮鞋能够防止环空中的水泥浆向套管内流动这种回流或者U型管效应的发生。
An anti-reverse rotation device prevents the pump from turning backwards which would increase core bypass flow and pump starting current.
止逆装置用于防止泵反转，反转将导致堆芯旁通流量增加和泵启动电流增加。
By reducing the reverse flow in chamber and by increasing resistance difference of back-and-forth flow, higher efficiency, higher pressure and less output fluctuation could be expected.
通过减小腔内回流比例、增大正反方向流阻差，提高泵液效率与输出泵压、减小输出脉动。
For natural circulation, it is shown that parallel flow in the tubes of vertically inverted U-tube team generator (UTSG) can be non-uniform, and reverse flow occurs within some tubes.
自然循环条件下，立式倒u型管蒸汽发生器(UTSG)并联倒u型传热管内存在非均匀流动，部分传热管出现倒流。
This paper proposes a three-dimension reverse design method of blade based on turbine according to the flow parameters and revolution of pump.
提出了按水泵给定流道参数和转数，从水轮机方向计算叶型的全三维逆向设计方法。
The numerical simulation for furnace gas flow and coal powder particle motion under various conditions of reverse secondary air is carried out based on turbulent flow and multiphase flow theories.
运用湍流理论和多相流动理论对不同二次风反切工况下炉内气流、煤粉颗粒运动进行了数值模拟。
The numerical simulation for furnace gas flow and coal powder particle motion under various conditions of reverse secondary air is carried out based on turbulent flow and multiphase flow theories.
运用湍流理论和多相流动理论对不同二次风反切工况下炉内气流、煤粉颗粒运动进行了数值模拟。
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