In order to allow Ni catalyst work at a mild temperature with little sintering and carbon formation, the influence of composition of reformer inlet gas on reforming temperature at a certain space velocity and conversion of feed CH4 was studied. At the same time, a method of changing inlet gas composition by introducing circulating gas into the feed gas was also discussed.
为了使Ni系催化剂在不易发生烧结积炭的温度下工作，分析了在一定原料CH4空速和转化率下人口气体组成对重整工作温度的影响，并探讨了在原料气中导入循环气来改变重整人口气体组成的方法。
Test parameters covered the water wall regions of 600MW supercritical variable pressure-operation boiler. Pressure: 8~25 MPa; Mass velocity: 800~2500 kg/m〓·s; Internal heat flux: 0~400 kW/m〓; Inlet subcooling of feed water: 10~50℃; Outlet working medium conditions: subcooled water, steam-water mixture (mass quality: 0.25, 0.5, 0.8), superheated steam.
试验参数为600MW超临界变压运行直流锅炉水冷壁运行的参数范围：压力：8~25MPa；质量流速：800~2500kg/m〓·s；内壁热负荷：0~400kW/m〓；进口过冷度：10~50℃；出口工质状态：过冷水，干度为0.25、0.5、0.8的汽水混合物，过热蒸汽。
The results show that the welding current, welding velocity and gas feed rate significantly influence the surface forming performance and mechanical properties of the welding joints. And thus, a set of weldi...
经过对其接头进行显微组织分析观察发现，焊接接头组织及第二相的变化导致接头处的拉伸强度和硬度均低于母材，并且焊缝区由基体α-Mg和附集于晶界的β-Al12Mg17两相组成。
The chain between air valve operational rule and bed stratification is set up, which supplies the reliability for control decision-making of expert system. Expert control strategy is put forward based on the characteristic of jigging process in this article. Knowledge acquisition, knowledge expression, search method and reasoning mechanism are studied in the expert system. The rule-base is set up based on bed stratification status, bed mobility status, feed velocity, recording data on site, artificial float and sink test result.
本文根据跳汰过程的特点，提出了专家控制系统的构成框架，研究了分层过程控制专家系统的知识获取、知识的表示与检索方法及推理机制，并根据分层状态、床层松散状态、给料速度信息和现场运行记录及定时人工筛分浮沉结果进行推理，建立了专家系统规则库，给出了具体的风阀操作参数的调节方法。
Consequently, the peripheral velocity of the regulating wheel can be resolved into two components, namely, workpiece rotational speed and longitudinal feed.
因此调节轮的圆周速度可以分解为两个分量，即工件回转速度和纵向进给。
Eonsequently, the peripheral velocity of the regulating wheel can be resolved into two components, namely, workpiece rotational speed and longitudinal feed.
因此调节轮的圆周速度可以分解为两个分量，即工件回转速度和纵向进给。
Mass transfer and heat transfer through hydrophobic microporous membrane in sweeping gas membrane distillation was studied. A model about heat and mass transfer was constructed and solved. The effects of sweeping gas velocity, module length, feed flux and feed temperature on membrane flux were tested.
对气扫式膜蒸馏的热量和质量传递机理进行了研究，建立了该过程的热量和质量传递模型，并对模型进行了计算，得出了吹扫气流速、组件长度、进料流速和进料温度对膜通量的影响。
The best results occurred when the moisture content of straw is 12~14%, the length of straw is smaller than 10mm, the rotational velocity of the screw feed is 35~36rpm, and the forming temperature is 240℃. Besides, adding an mandrel on the screw as well as smoothing the surfaces of dies and the screw can also help straw forming.
归纳螺杆挤制机挤制稻草实验结果，稻草可成型的最佳条件为──稻草长度小於10mm、稻草含水率12~14%、成型温度240℃、挤制螺杆转速35~36rpm，另外，增加螺杆中心轴与提高模具、螺杆的表面光滑度，也都可以帮助成型。
A fuzzy controller was designed, of which the inputs were the force error and the change of force error which was transfered from the error of interelectrode gap by using another BP NN which was trained by the pair of the gap-force data gathered in the test, the output of controller was the increment of feed velocity.
与阴阳极间间隙的关系；采集电解加工过程中阴极表面上的力信号，经过信号处理后用其训练一个BP神经网络，实现间隙的在线检测；设计了一个模糊控制器，把间隙的误差转化为力的误差，将误差的变化信号作为模糊控制器的输入，将进给速度的增量作为模糊控制器输出。
Motion control features include: cutter radius and length compensation, path deviation limited to a specified tolerance, lathe threading, synchronized axis motion, adaptive feedrate, operator feed override, and constant velocity control.
运动控制属性包括：刀具半径和长度补偿，轨迹误差限制，车削螺纹，轴同步运动，自适应进给率，操作者过度进给和恒定速度控制
This paper introduces the requirements of the radial feed system of non-circular turning, chooses the direct drive of linear servo motor and designs the structure of the feed system. It makes the analysis of mechanical properties on tool holder and work platform and analyses the cutting capacity of the feed system by velocity and acceleration characteristics of turning piston ring, oval and hexagon non-circular cross-section parts.
基于非圆切削对径向进给系统的要求，选用直线伺服电机直接驱动方式，进行非圆切削数控车床径向进给系统的结构设计，分析了刀架和工作平台两个关键结构件的力学性能，并通过活塞环、椭圆和正六边形3个特殊非圆截面零件车削时的速度和加速度特性试验，对设计的进给系统进行了切削性能分析。
The CLU operates the drive mechanisms of the machine, receives feed back signals concerning the actual position and velocity of each of the axes, and signals the completion of operation.
在CLU操作机器的驱动机制，接收反馈信号的实际情况和有关的每一个轴速度和信号的操作完成。
The effect of exogenous enzyme s on the activity of endogenous enzymes and the velocity of feed evacuation were studied when the fishes were fed with four sorts of diets which contained(250 mg/kg), (500 mg/kg), (750 mg/kg) and(1000 mg/kg) exogenous enzyme s respectively.
3g的异育银鲫300尾为试材，研究了在基础日粮中添加外源酶制剂250 mg/kg、500 mg/kg、750 mg/kg、1 000 mg/kg后，外源酶对异育银鲫内源酶活性、肠道食糜排空速度的影响。
This paper analysed and studied the relationships between structures and power parameters of type of cylinder, the velocity of feed chain, rpm of cylinder, type of threshing and feed rate to the threshing loss and power consumption in semi-feeding threshing apparatus.
本文分析研究了半喂入脱粒部件的滚筒型式、夹持链速度、滚筒转速，脱粒方式及工作量等的结构和动力参数对脱粒损失和功率消耗的影响，以及三种不同型式的凹板对脱粒损失和籽粒清洁度的影响。
Then, the effects of the feed water heater, air fraction, velocity of the mixture, and the inundation on the flow field and heat transfer behavior of the condensers are analyzed.
文中对凝汽器喉部区安装的部件、空气浓度及流速和淋水对凝汽器壳侧流动与传热特性的影响进行了数值计算和分析。
Higher cutting velocity, lower amount of feed and cutting thickness can improve the surface quality of the composites.
高的切削速度、低的进给量及低的切削深度有利于提高该复合材料的切削加工表面质量。
With this relationship, CTA can be used to monitor the localized flow velocity on the feed side of plate-type membrane module.
然而料液侧支撑物的湍流促进器作用的发挥，是以料液流速不低于一定临界值为前提的。
The influence of temperature, pressure, space velocity, feed ratio on hydro-refining reaction was analyzed.
分析了温度、压力、空速、原料比对加氢反应的影响。
Based on an integral system analysis computer code, a severe accident sequence induced by loss of feed water plus failure of auxiliary feed water, with external reactor vessel cooling measure, was calculated for 900 MWe nuclear power plant. The validity of the measure for mitigating core`s melting progression, keeping the integrity of the vessel was analyzed, and three effect factors of the measure such as velocity of water injecting, water level in cavity and different injection time, were also analyzed.
针对900 MW级压水堆核电厂，采用一体化严重事故分析工具，对主给水丧失始发事件叠加辅助给水失效严重事故下，采取堆腔注水缓解措施的事故进程进行模拟，对该措施缓解堆芯熔化进程、保持压力容器完整性的有效性进行分析验证，并对注水速率、注水高度和注水时间对该措施的影响进行了分析。
In a spouted bed made of stainless steel with internal diameter 92 mm and height 1000 mm, by adding wet powder particle through samples intermittent inlet, the wet powder elutriation with temperate air was studied by changing such parameters as bed temperature, bed height, particle diameter, spouting velocity, aerating velocity, gas humidity and feed rate.
在一内径 92mm高 1 0 0 0mm的不锈钢充气喷动床反应器内，采用碳酸钙粉末物料为微细粒子，由间歇进样器填加湿的微细粒子，以空气为充气和喷动气体对微细粒子进行淘洗。