回流

huí liú
  • reflux;back-flow;backwash;regurgitation;counter-flow;inverse flow
回流回流
回流 [huí liú]
  • (1) [reflux]∶在化工过程(如蒸馏或液-液萃取过程)中,将产品液流送回过程设备以提高转化率或收集率的那部分液体

  • (2) [regurgitation]∶身体的液流或内容物逆正常方向流经体腔或管道。特指人的血液逆流回入心脏,其原因是瓣膜的功能缺损

回流[huí liú]
  1. 通过对回流区火焰稳定性和NOX的生成进行分析,在钝体燃烧器上添加燃烧齿。

    Through analyzing the flame stability of back-flow region and NO_X formation , the burnable saw-teethes are added on the V-shape bluff burner .

  2. 研究结果表明,SLC型分解炉气固两相流可分为五个区域:喷泉区、涡流区、回流区、稳流区和旋流区;

    The results show that the gas-solid flow in SLC calcinators is divided into fire regions : the spouting region , the eddy region , the back-flow rigion the steady flow region and the swirling flow region .

  3. 强大的回流把孩子们卷到海里去了。

    The children were carried out to sea by the strong undertow .

  4. 据说企业“回流”将呈增长趋势。

    It is said that reshoring is a growing trend .

  5. 由于银行总的借贷额在下降,这就意味着资金必然国内回流

    Since banks are reducing overall lending , that means repatriating cash .

  6. 淤积的主要原因是回流淤积

    The siltation relates with the circumfluence .

  7. “回流”指的是将原本在其他国家做的工作迁回公司本部所在的国家。

    Reshoring means moving jobs that had previously been done in other countries back to the country where the company is based . Example :

  8. P(204)-HCl体系中稀土分离工艺&外回流技术的引入

    The Separation Process of Middle Rare Earths in HDEHP-HCl System-The Application of External Reflux Technique

  9. 按N·S方程计算明渠扩展段紊流(回流)的第二次进展

    Simulation of Turbulent Flow in Extended Section of Open Channel by Employing N. S Equations

  10. 推导出估算气提塔出水回流比R的模型;

    A model for estimating the recycle ratio of the effluent from the stripper was established .

  11. 基于PLC的间歇精馏回流比控制系统

    Batch Distillation Reflux Control System with PLC

  12. 强流高功率脉冲电子束聚焦成mm量级的束斑后,打击到轫致辐射靶的过程中会产生回流离子,它会导致电子束被提前聚焦,在预定的靶面形成散焦。

    Linac with mm diameter beam spot strikes the bremsstrahlung converter target to generate X-ray and the backstreaming ions .

  13. CFRP螺旋回流槽油封密封机理的分析

    An Analysis of the Sealing Mechanism of CFRP Rotary Seal with Helical Groove

  14. 在有剩余污泥回流的系统中,系统各段出水的SS浓度均比无回流系统大。

    The SS in every segment with sludge recycling was higher than that without sludge recycling .

  15. 结论:加行VA可解决皮瓣静脉回流问题;

    Conclusion : VA could solve the venous drainage problem of the flap .

  16. 试验结果表明:设有回流装置的异波折板穿孔旋流厌氧反应器对COD的去除率高于不设回流装置的异波折板跳跃式厌氧反应器10%以上;

    Results showed that the removal efficiency of COD with reflux was 10 % higher than anaerobic reactor without reflux .

  17. 用直接浸泡&回流法从绿茶茶叶和米糠中提取了两种缓蚀剂TL和BR。

    TL and BR inhibitors have been prepared from green tea and rice bran by immersing circumfluence process .

  18. W火焰锅炉因其火焰行程长、炉内的高温烟气向火焰根部回流而被广泛应用于无烟煤和贫煤的燃烧。

    Down-fired boilers are widely applied for burning anthracite and lean coal owing to the long distance of flame penetration and large amounts of recirculation flue gas .

  19. 方法:采用在体大鼠肠段回流实验,对苯丙醇胺的吸收特性从其主要影响因素pH值、吸收部位、药浓进行研究;

    METHODS : With regurgitation test in intestine segment of rat in vivo , studying the main in-fluence factors of pH value , absorption location and drug concentration of phenyl-propanolamine absorption .

  20. 动态试验表明:通过污泥回流,把剩余污泥回流到A1段的工艺,可有效地实现对剩余污泥化。

    Dynamic test shows that recycle of sludge to A1 part can efficiently realize the reducing of the sludge .

  21. 结果66个肝脏中,66.7%的Ⅷ肝段、100%的V肝段(部分或全部)通过肝中静脉回流;

    Results Among 66 livers , 66.7 ? % of the segment VIII and 100 ? % of the segment V ( all or some ) drained to middle hepatic vein .

  22. 方法临床、CT、MRI诊断为血管瘤,肝肾肿瘤及脑血管疾病共18例,行DSA血管造影术。结果蔓状血管瘤3例,毛细血管瘤1例,1例为深静脉的先天性回流障碍。

    Methods Eighteen infants with diagnosis of clinics , CT and MRI as hemangioma , hepatic and renal tumor and cerebral vascular diseases were undertaken digital subtraction angiography ( DSA ) .

  23. 得出了总黄酮提取的适宜条件为50%乙醇回流提取4h。

    The optimal procedure of extracting total flavonoids was reflux for 4 hours with 50 % ethanol as solvent .

  24. 考察了升温速率、回流温度、N2通入速率等对目标产物产率的影响。

    The influences of various factors on the yields , such as heating rate , backflow temperature , and N_2 inlet speed , etc.

  25. 通过全回流模型确定间歇精馏的初值,使用Matlab软件实现间歇精馏的动态模型,不同物系可选用合适算法进行模拟运算。

    The appropriate arithmetic can be selected in different systems to do its simulative operation through fixing the initial value of batch distillation and using Matlab software to create a dynamic batch distillation model .

  26. 这有可能在芯片粘接剂/基板界面出现分层。本文最后对PoP模块进行了回流焊载荷下的可靠性分析。

    Die attachment / substrate interface delamination tended to occur with high risk in reflow step . Finally , the reliability analysis was simulated for PoP under the reflow load .

  27. 结果表明:以70%乙醇作溶剂,回流3h的条件下,黄酮的提取量最高。

    The experiment result show that the flavone extract rate is the highest by means of heat refluence with 70 % alcohol as solvents .

  28. 本文应用双平面经食管多普勒测定了20例正常人和38例二尖瓣返流(MR)患者的肺静脉血流频谱,旨在评价不同程度MR对肺静脉(PV)回流的影响。

    In order to evaluate the effect of gradual mitral regurgitaion ( MR ) on pulmonary venous flow ( PV ), 20 normal subjects and 38 patients with MR were investigated using biplane transesophageal color Doppler echocardiography .

  29. B型分离器回流缝在10~20mm时分离效率在92.2%以上。

    Type B separator reached to 92.2 % at 10 ~ 20mm .

  30. 反应回流时间为20h;

    The reaction time : 20 h ;