downflow

downflow 基本解释

n.  向下流，向下流之物

机械

downflow 词组短语

• downflow weir

downflow 双语例句

1. 1、 Qi activity is mainly manifested by the four forms: upflow, downflow, outflow and inflow.
   气机，主要表现为升、降、出、入四种形式。
2. 2、 downflow chamber and surface layer were main purification space of pollutants.
   下行流池表层基质是污染物降解的主要空间；
3. 3、 To reduce the heavy load on dust collectors, upflow beds were soon replaced by downflow fluidized beds.
   为了减轻粉尘收集器的负荷，上流式流化床不久被下流式流化床所取代。
4. 4、 Objective To study the community of denitrifying bacteria and nitrate-nitrogen removal in downflow fixed-bed bioreactor.
   目的研究下流式固定床反应器的脱氮效果及反硝化细菌群落结构。
5. 5、 Developmental Technique of Potential Energy in The Waste Materials And The downflow Sludge
   废弃物和下水污泥中潜能的开发技术
6. 6、 Cocurrent downflow circulating fluidized bed for catalytic cracking of dimethylether
   用于二甲醚催化裂解的下行式循环流化床
7. 7、 The mathematical model for cocurrent downflow gas-solid suspensions
   并流下行快速流态化气-固两相流动模型的研究
8. 8、 Study on Fast Pyrolysis in downflow Fluidized Bed Reactor of Biomass
   生物质在下行流化床中快速热解实验研究
9. 9、 Gas-solids velocity profiles and slip phenomenon in a cocurrent downflow circulating fluidized bed
   并流下行循环流化床中气固速度剖面以及滑落现象的研究
10. 10、 This paper reported the removal efficiency of nitrogen in a downflow upflow constructed wetland purifying system with intermittent loading, and described the changes of temperature, dissolved oxygen and pH.
    研究了在间歇式进水条件下，复合构建湿地系统对氮的去除效果，阐述了温度、溶氧、pH等理化因子变化的原因。
11. 11、 Axial Flow Pattern in a Concurrent downflow Fluidized Bed ( Downer) with Linearly Variable Superficial Gas Velocity
    线性变气速下的下行床内轴向流动结构分析
12. 12、 The characteristics of boiling heat transfer of steam-water two-phase downflow and up-flow in vertical tube are theoretically and experimentally studies in this paper.
    对垂直管内汽水两相下降流动和上升流动时的沸腾传热特性进行了理论和试验研究。
13. 13、 This paper describes an experimental and theoretical research on the two-phase flow pattern transition of downflow in vertical helical coils in an air-water loop.
    本文对低压水-空气两相流动在立式螺旋管内向下流动的流型及其转变特性进行了实验和理论研究。
14. 14、 Hydrodynamics of Concurrent downflow Fast Fluidization ( I)
    气-固并流下行快速流态化的研究（I）
15. 15、 Research on Inlet and Outlet Configurations of Gas-Solids Cocurrent downflow Reactors
    气固并流下行床反应器出入口结构研究现状与展望
16. 16、 Pilot study on fertilizer plant industrial wastewater treatment by upflow and downflow biological aerated filter
    上下向流BAF处理化肥厂工业废水的中试研究
17. 17、 Boiling heat transfer characteristics of steam-water two-phase downflow and upflow in vertical tube
    垂直管内汽水两相下降流动和上升流动时的沸腾传热特性
18. 18、 Hydrodynamics for Concurrent downflow of Gas-Solid Suspensions
    气-固并流下行系统中两相流体力学行为的研究
19. 19、 At the same flow rate, the concentrations of ozone in upflow are higher than that in downflow at the same HRT.
    在相同水流量条件下，水由下向上流时水中臭氧浓度，高于由上向下流时相同水力停留时间时的臭氧浓度。
20. 20、 Study on nitrate-nitrogen removal and community analysis of denitrifying bacteria in downflow fixed-bed bioreactor
    下流式固定床反应器中反硝化细菌类群及其脱氮效率分析
21. 21、 Cocurrent gas-solid downflow fluidized bed ( downer) reactors ⅰ development and Applications
    气固下行流化床反应器Ⅰ下行管反应器的发展及其应用
22. 22、 A small type downflow fluidized bed reactor for biomass fast pyrolysis suitable for research in laboratory leval was designed.
    根据生物质快速热解气化的要求，设计制造了一套适宜于实验室研究的小型气固顺重力场下行流化床生物质热解气化装置。
23. 23、 Study on Film Formation in Upflow-Aerated Biofilter and downflow-Aerated Biofilter
    上向流与下向流曝气生物滤池启动与挂膜特性研究
24. 24、 Particle Flow Patterns in a Gas-Solid Cocurrent downflow Fast Fluidized Bed
    气固并流下行快速流化床反应器颗粒运动规律的研究
25. 25、 The upflow and downflow critical heat flux of water and freon in a vertical tube and its flow direction factor
    水和氟里昂在垂直管内上升和下降流动时的CHF值及流动方向因子
26. 26、 Relations Between COD Removal and Biofilm Thickness and Density of downflow Anaerobic Turbulent Bed
    降流式厌氧紊动床COD去除与生物膜厚度及密度的关系研究
27. 27、 Experimental Study on Solid-Gas downflow in a Standpipe of Jetting Circulating Fluidized Bed
    循环射流流化床立管中气固流动实验研究
28. 28、 At present, there are two main kinds of discharging structures at the bottom of the downflow tower for high consistency pulp bleaching: one is the high consistency pulp to be discharged directly, the other is diluted pulp to be discharged.
    目前高浓纸浆降流漂白塔塔底卸料形式主要有两种：一种是直接对高浓纸浆卸料，另一种是将高浓纸浆在塔底稀释后再卸料。
29. 29、 Trickle-bed reactor, which is a fixed bed of catalysts with cocurrent downflow of gas and liquid, is used extensively in the process of hydrofining and hydrocracking.
    涓流床反应器是一种气液并流向下通过催化剂床层的固定床反应器。涓流床反应器广泛应用于加氢精制和加氢裂化过程。