在一个压水式反应堆里，我们用硼来控制反应率。
Now in a PWR we have essentially boron to control reactivity.
微分动作(字母d表示)测量并对过程信号变化率进行反应，调整控制器的输出以达到最小的突出峰。
Derivative action (referred to by the letter d) measures and responds to the rate of change of process signal, and adjusts the output of the controller to minimise overshoot.
控制项目主要包括进料量、反应温度、催化剂用量及配比、单体转化率、聚合物门尼粘度控制。
The controlled items mainly consist of feed quantity, reaction temperature, catalyst usage and ratio, conversion rate and polymer Mooney viscosity.
本发明的方法提供了良好的反应速率和转 化率，在实现控制最终产品聚合物的分子量上特别有利。
Processes of the invention provide good reaction rates and conversions, and are particularly advantageous in achieving control of the molecular weights of the final product polymers.
结果表明，控制浸出体系的电位对维持较快的反应速度和较高的金属浸出率十分重要；
The results indicate that, it is very importance to control the electric potential of leaching system in order to maintain high reaction rate and metal leaching rate;
其特点是反应时间短，能耗低，得率高，便于控制。
The method shows the advantages of Iower energy, shorter reaction time, higher yield of product and easyer control.
目的探讨预防与控制全肠外营养液(TPN)输液反应的发生率。
Objective to study how to prevent and control the incidence of reactions to total parenteral nutrition (TPN) transfusion.
在制备阿德福韦酯的实验中，控制反应温度提高了反应产率，在减少了反应副产物的同时也使得产品提纯变得简便。
In the preparation of AD ester, we improve the yield by adjusting the reaction's temperature, make the byproduct fewer and also simplify the product's purification.
利用常规仪器（堆控制室中的启动装置）测得反应堆中稳定的中子计数率来刻度控制棒的反应性当量。
The steady counting rates of neutron in reactor are measured by a conventional instrument(the start-up devices)to calibrate reactivity worth of a control rod.
结果表明，采用一步法合成二甲醚如果存在水汽变换反应，CO2的转化率为负值，如果催化剂可以控制不发生水汽变换反应，CO2的转化率为零。
The results indicated that the conversion of CO2 is negative if the watergas shift reaction exist and it will be zero if the catalyst can control no watergas shift reaction to take place.
两组各降阶梯哮喘控制率、肺功能、哮喘加重率和药物不良反应发生率比较，差异无统计学意义。
No statistically significant difference in asthma control, pulmonary function, exacerbation rate and drug reactions were found in each down-stepped period between the two groups.
循环反应器具有便于控制反应物浓度、最终转化率和目的产物收率等优点而被广泛应用。
Recycle reactor has been widely used and it is convenient to control the reactant concentration, the final percent conversion and the yield of target product.
只要适当控制进水水力负荷，反应器的同时进出水体积置换率可达65-74％。
The volumetric exchange rate of feeding and draining simultaneously in the reactor can reach 65-74% if only the influent hydraulic loading rate is controlled properly.
生物反应器在发酵放大后仍保持较高的一致性和生产率，控制系统采用可调谐的PID控制回路全自动控制。
Bioreactor in the fermentation amplification remained high after the consistency and productivity, control system can be tuned PID control loop automatic controled.
通过调整两种流率(由流量控制器控制)，对苯的反应物浓度调整为0.6 - 3.5%，第二卷。
By adjusting the two flow rates (controlled by a flow controller), the concentration of benzene in the reactant was adjusted to be 0.6? 3.5 vol %.
再生器压力、沉降器压力和提升管反应器出口温度均被控制，原料处理量提高后，气体、汽油和焦炭产率均下降。
Under control of the outlet temperature and the pressures, the increase of feed throughput will cause the decrease of gas, gasoline and coke produced in reaction.
在控制复发率及降低不良反应程度方面具有优势。
In controlling and reducing the recurrence of adverse reactions has advantages.
本文叙述了应用于控制压水反应堆反应性的中子吸收法测量硼浓度原理，介绍了硼浓度的测量方法，并对硼浓度与计数率的关系曲线进行了测量。
This paper discusses the neutron absorption principle of measuring the boron concentration, which is to control the reactivity of the pressurized-water reactor.
探讨放射治疗联合腔内热疗治疗鼻咽肿瘤的耐受性、副反应和局部控制率。
To evaluate the tolerance, side effect, and local control rate for nasopharyngeal carcinoma (NPC) treated with radiotherapy combined with intracavity hyperthermia.
结论3dcrt能明显改善食管癌的局部控制率和生存率，近期放射反应及远期放射损伤均可耐受。
Conclusions Compared with conventional fractionation radiotherapy, 3dcrt was able to improve the local control rate of esophageal carcinoma, with tolerable acute and late radiation side effects.
较小的潜在土酸用量不能控制副反应的发生，较大的潜在土酸用量可有效提高近井地带的渗透率。
Low potential mud acid dosage can not control to side reaction to occur; high dosage of potential mud acid may in-crease near-well-bore permeability.
通过批量和堆肥反应器的试验研究，初步得出了堆肥过程的优化控制参数：通过周期性的补水，使堆料的含水率保持在50-60%之间；
Studies of batch test and composting reactor presented optimized conditions as follows:keeping 50%-60% of moisture content by periodic replenishment of water.
赤泥中钛金属化合物与硫酸反应为颗粒缩小缩芯扩散控制。水解反应对金属钛的浸出率有很大影响。
The reaction rate of titanium compounds and acid is decided by the particles to control the spread of shrinking core.
本发明的制备方法具有反应条件温和，反应过程易于控制，产品易于分离提纯且收得率高的优点。
The preparation method has the advantages of moderate reaction condition, easy controlling of the reaction process, easy separation as well as purification of the products and high yield.
结论NAH个体化治疗方案能提高高血压患者的治疗率及控制率，且不良反应少，值得临床推广。
Conclusion NAH Individual treatment scheme can improve treatment rate and control rate of patients with hypertension, and the scheme is worth generalizing and applying.
效果是改善膜的性能（即降低污染率）和一种手段，更好地污染控制在高炉膜生物反应器的过程。
The effect was improved membrane performance (i. e. lower fouling rates) and a means for better fouling control in the BF-MBR process.
效果是改善膜的性能（即降低污染率）和一种手段，更好地污染控制在高炉膜生物反应器的过程。
The effect was improved membrane performance (i. e. lower fouling rates) and a means for better fouling control in the BF-MBR process.
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