downflow

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。

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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

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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

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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

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The water quality evolvement process in Yangtze River drainage area is believed as a complex network system, with having lots of nodes and correlating to the downflow.

长江流域水质演变过程可看成是一个具有多节点，向下流关联的复杂网络系统。

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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

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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。

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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

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The inner cycling MBR did favor to the two kinds of circumstances, the upflow aerobic circumstance ( nitrification) and the downflow anoxic circumstance ( denitrification), enhancing the TN removal efficiency to about 50%.

内循环膜生物反应器有利于形成向上流的好氧（硝化）环境和向下流的缺氧（反硝化）环境，提高系统脱氮效率到50%左右。

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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。

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A novel inertial separator for gas-solid suspension in concurrent downflow

气-固并流下行惯性分离装置的研究

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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

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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

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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

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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

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Cocurrent gas solid downflow fluidized bed ( downer) reactors

气固下行流化床反应器Ⅳ气、固流动模型

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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

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Hydrodynamics of Concurrent Downflow Fast Fluidization ( I)

气-固并流下行快速流态化的研究（I）

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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

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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

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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。

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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

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Gas hold-up characteristics of downflow liquid jet loop reactors

下喷式环流反应器的气含率特性

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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

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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.

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The effective interfacial area in concurrent downflow packed column

并流填料塔滴流区有效界面积

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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

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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

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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

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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；

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