停留时间

停留时间为3小时。

Retention period was 3 her .

缩合反应采用两个串联反应器，反应停留时间2小时，反应温度-2～6.5℃；

Two series reactors were employed at retention period 2 hours and the temperature was - 2 ~ 6.5 ℃ .

德士古气化炉冷态停留时间分布测试（II）

Measurement of Residence Time Distribution ( KTD ) in Cold Texaco Gasifier ( II )

湿地的氮的去除主要受停留时间、DO、pH等因素影响。

The nitrogen removal in wetlands was mainly affected by residence time , DO , pH and others .

直流电弧中若干缓冲剂对Cu及Cr原子停留时间的影响

Effect of Some Spectroscopic Buffers on Transite Time of Cu and Cr Atoms in DC Arc Discharge

APACHEⅡ评分等因素对肝移植后ICU停留时间影响

Influence of APACHE ⅱ Score on ICU Staying Time after Liver Transplantation

SS的去除率随着水力停留时间和电流密度的增加而增大；

The removal ratio of SS increases with increment of HRT and current density ;

采用脉冲法测定了蔗糖水解反应在连续搅拌釜式反应器内的停留时间分布，求得了停留时间分布密度函数E（t）、平均停留时间以及模型参数。

Residence time distribution for sugar hydrolysis reaction in a contineous flow stirred tank reactor was m : asured by pulse input method .

但废水去除效果受槽电压、电解停留时间及进水pH的影响较大，且不同电极处的出水COD存在一定差别，废水处理耗电量受原水电导率影响很大。

The effluent COD from different electrodes are different . The power consumption is affected very much by the influent conductivity .

试验确定了好氧段的水力停留时间（HRT）为12h。

The aerobic HRT were confirmed by the experiment with 12h .

从涤纶工业丝纺丝装置上在线取样，研究不同温度下PET特性粘数与停留时间的关系。

The relationship between intrinsic viscosity and residence time of PET taken on-line from a PET industrial yarn spinning plant was studied at different temperatures .

水力停留时间（HRT）为6h，COD和SS去除率可达60%以上。

The removal rates of COD and SS attained 60 % at hydraulic detention time of 6 hours .

系统水力停留时间对NH3-N去除的影响最大；

The removal of NH3-N is greatly effect by HRT .

大型DJ塔板上液体等平均停留时间分布的实验研究

Experimental Study on the Liquid Equal Mean Residence Time Distributions of a Large DJ Tray

聚合工艺控制参数如催化剂颗粒的粒径、聚合反应温度、聚合物浆液的平均停留时间等的波动，会导致PP粒度分布变宽而引起下游工艺系统的堵塞。

The influence factors of PP particle size distribution , such as catalyst particle size , polymerization temperature and mean residence time of polymer slurry , were analyzed .

对不同水力停留时间下ABR反应器的处理效能进行了研究分析，提出了ABR处理甘薯淀粉废水的工艺运行条件。

Analyzes the treatment effect of ABR in different HRT and raises best operation condition in treating sweet potato starch wastewater .

水力停留时间为2h，处理出水COD和BOD5即可达到行业二级排放标准。

When HRT is 2 hours , values of COD and BOD , of the treated water meet the industrial secondary discharging standard .

Morris水迷宫定位航行实验潜伏期明显延长，空间搜索实验在平台所在象限停留时间显著降低。

Morris water maze navigation test latency was prolonged , the spatial probe test in the platform quadrant dwell time significantly reduced .

老年病人宜适当延长在PACU内的停留时间。

Aged patients can prolong their staying period in PACU properly .

实验结果表明，提高脉冲峰压、脉冲频率、增加放电电极数目、停留时间可以显著提高NO、SO2转化效率，提高烟气湿度可以大大提高SO2的转化效率，但对NO的转化具有抑制作用。

The results indicate that NO and SO2 conversion efficiencies increase with increasing pulse peak voltage , pulse frequency , electrode number and residence time .

选定PH值、停留时间、通气量和温度为研究的影响因素，以COD、BOD、色度等为指示参数来评价处理效果。

PH value , retention time , aeration , and temperature are chosen as control factors . COD , BOD and color are indicating indexes for estimating treating effect .

采用铁炭微电解-混凝法预处理糠醛废水，研究了材料粒径、停留时间、进水pH值等相关因素对处理效果的影响。

An iron-carbon micro-electrolysis and coagulation process was used to treat furfural wastewater . The effect of the granularity of iron filings and active carbon , hydraulic retention time , wastewater pH on treatment was studied .

结果表明，厌氧生物滤池停留时间为14h，COD的去除率可达83%；

The results showed that the COD removal was as high as 83 % when HRT was 14 hours .

结果表明，随停留时间延长，土著生物强化与优势菌群强化对NH4+-N、TN和TP的去除率增加。

It was showed that , removal efficiency of NH ~ + _4-N , TN , and TP by and dominant colony increased with rest time .

停留时间超过3h，即反应器处理量小于5.2L/h，去除率可达80%以上。

I.e. the treating capacity of the reactor is less than 5.2L/h .

通过废水COD（cr）、色度的变化，考察了停留时间、电极距、废水浓度、电解电压、pH值、电解质种类及添加量等电解主要操作条件对制药废水处理效果的影响。

The objective of this paper is to advance the knowledge of the influence of residence time , polar distance , initial wastewater concentration , voltage , pH and electrolyte on the electrolysis efficiency .

延长停留时间是提高过氧化氢利用率和TOC去除效率的关键。

It was also concluded that prolonging retention time was the key factor in improving the utilization efficiency of H2O2 and increasing TOC removal efficiencies .

反应器的生物反硝化过程受到水力停留时间、pH和温度以及进水硝酸盐氮浓度不同程度的影响，但是其抗酸碱波动和耐低温能力仍较强。

Biological denitrification process in the reacter is influenced by HRT , pH and temperature and nitrate nitrogen concentration in the different level , but its ability of against acids fluctuation and low temperature resistance is still strong .

饱和减压每5m为一站，随深度减少，停留时间增加。

For saturation decompression , each 5 m was a stop and with the decrease of depth the stop time was increased .

结合传质的特点，将反应器内研究混合情况的停留时间分布（RTD）概念引入流道抗结垢研究中，介绍了贝克列准数Pe的物理含义。

The concept of Resident Time Distribution ( RTD ) studied in the reactor for mixing is introduced into the research of channel fouling study integrating mass transfer characteristic .