平均停留时间

PP气相流化床反应器平均停留时间的计算

Calculation of Mean Residence Time of the Powder in the Gas Fluid Bed Reactors

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 .

C型挡墙，冲击区体积较小，钢液混合不均匀，钢液在整个中间包内的平均停留时间较短。

The pound region volume of the baffle C type is still too small , so the liquid steel can 't mix sufficiently , and the average residence time in the tundish is short .

由于PP颗粒较大，气体携带颗粒的能力不足，导致了颗粒速度较小，提升管中颗粒的平均停留时间较长。

The diameter of polymer particles is so large that the particle velocity is small , which result in the mean residence time of solid is long .

用NaCl溶液做示踪剂测定该管式反应器内的停留时间分布（RTD）曲线，并计算了平均停留时间和方差。

The residence time distribution ( RTD ) curves of tubular reactors were determined using NaCl solution as a tracer .

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 .

利用测电导率法来获得平均停留时间（RTD），利用观察法和照相法来获取电解槽内部的流场信息。

Conductivity measurements were used to RTD , observation and photography were taken to obtain the flow field information within the cell .

采用脉冲示踪法对物料在多级搅动床（STB）冷模实验装置中的平均停留时间和混合均匀性进行了研究。

Average residence time and mixing uniformity of particles have been investigated with pulse trace method in the experimental staged turbulent bed ( STB ) device .

非均质的MSW比石英砂具有较高的动休止角，从而使其在窑内的平均停留时间（MRT）较长而体积流率（MVF）较低；

The irregular MSW has a longer mean residence time ( MRT ) and a lower material volumetric flow ( MVF ) than sand , because of its higher θ d.

通过测定中间包内钢液停留时间分布曲线（RTD），计算其平均停留时间及死区、活塞区和混合区占中间包容积的百分比。

The residence time distribution ( RTD ) curve of molten steel in the tundish was measured and the average residence time , and volumetric proportion of dead , plug-like and mixture zones were calculated .

在假设所有的子系统都是Hurwitz和Schur稳定的前提下，如果平均停留时间足够大，则切换系统就可以达到指数稳定。

With the as - sumption that the subsystems are Hurwitz stable and Schur stable , if the average dwell time is properly large , the switched system can be made stable .

以0.8Mt/a催化裂化装置的沉降器为例，考察了沉降器空间内油气平均停留时间的分布。

Average residence time distribution of oil vapor in a disengager of a 0.8 Mt / a FCC unit was studied .

本论文采用热水示踪技术，用微机温度测量系统测试了设有防冲击漏液装置的新型DJ塔板上液体等平均停留时间分布。

In this paper , the liquid equal mean residence time distributions of a newly DJ tray with anti-dumping unit were measured by using of computerized multipass thermometer , stimulus-response technology using hot water tracer was adopted .

本文结合马钢水平连铸7.5t中间包，模拟研究了中间包内液体流动行为和平均停留时间分布规律。

In this paper , the flow behaviour and liquid residence time within the tundish of HCC have been studied by water simulation .

本文分析了多优先级DQDB城域网的性能，得到了采用不同优先级时，报文平均停留时间的表达式。平均结果为

The performances of DQDB MAN with multiple priorities are analyzed . The expressions of mean message sojourn time in the buffer are derived . For a sample of 38 sources we derive an average value of

通过改变给料率、回转窑倾角、回转窑转速来考察它们对物料在回转窑内的平均停留时间（MRT）、平均体积流率（MVF）、填充率的影响。

Feeding rate , the kiln incline degree and the kiln rolling speed are adjusted to study the changes of particles mean residence time ( MRT ), mean volume flow ( MVF ) and loading rate in the kiln .

本文主要研究基于平均停留时间的脉冲切换系统的指数稳定性，全文的主要内容概括如下：首先研究了连续切换系统在脉冲作用下的稳定性，切换系统包括Hurwitz稳定子系统和不稳定子系统。

The main results of this paper are the following s : Firstly , the stability analysis for a class of continuous-time switched system with im-pulsive effect is studied . The switched system is composed of both Hurwitz stable and unstable subsystems .

析因法分析螺杆转速、喂料速率和错列角度对捏合块元件PRTD曲线的延迟时间和平均停留时间的影响，发现转速最大，角度和比产率接近；

The full factorial design was introduced to investigate the factors including rotating speed of the screw , the stagger angles of the kneading blocks and the specific throughput that have significant effects on delay time and the mean residence time of PRTD in twin screw extruder .

试验结果表明，优化后的中间包流场趋于合理，大型夹杂物能充分上浮，钢液的最短停留时间为41s，平均停留时间394.85s，死区体积为7.66%，消除了短路流。

The removal rate of large inclusions has been increased , the minimum residence time is increased to 41s with a mean residence time of 394 . 85 s , the dead volume is reduced to 7.66 % , and the short - circuit flow is eliminated as well .

基于平均停留时间的脉冲切换系统的稳定性分析

Stability Analysis for Impulsive Switched Systems with Average Dwell Time

平均停留时间与热敏性物料的蒸发

Average Residence Time and Evaporization of Heat & Sensitive Materials

变径炭素回转窑内物料平均停留时间的计算

Calculation of mean residence time of solids in variable diameter carbon rotary kiln

连续聚合反应器中催化剂活性与物料平均停留时间的关系

Relationship between Catalyst Activity and Average Residence Time in Continuous Coordination Polymerization Reactor

同时，对反应器在连续使用时的废水平均停留时间进行了研究，通过计算得到了在一定进水量的情况下的废水平均停留时间，从而为连续处理废水提供了参数依据。

Average time of waste water was studied .

在门内平均停留时间分别为31.6、37.8s；

The average time of settling in the door was 31.6 s and 37.8 s ;

研究发现，加入挡板后，颗粒的平均停留时间增大。

It is found that the average residential time of particles increases when baffle is introduced .

随着炉体高度的增加，平均停留时间增大，无因次方差减小。

The mean residence time is increased and the variance is reduced with the increase of gasifier height .

模拟结果表明，在考察条件下，平均停留时间相差不大，散度成为人工湿地水力学效能的主要影响因素。

The simulation results confirmed that dispersion was an important factor for hydraulic efficiency while mean residence time c.

平均停留时间越长，波克列准数越小，混合作用越优。

Mixing capability of screw was good when mean residence time was long and Pe number was small .