查询词典 liquid flow

The optimal production conditions are as follows: liquid paraffine warm-up temperature 80℃,reaction temperature 80~100℃,chlorine flow rate 80~100m3\h,reacting time 5.5~6.5h, adding 0.03% catalyst , 0.3% additive and 0.15% stabilizer .

确定了最佳的工艺条件：液蜡预热温度80℃，反应温度80~100℃，氯气流量80~100m3\h，催化剂用量0.03%，添加剂A用量0.3%，反应时间5.5~6.5h，稳定剂用量0.15%。

The optimal production conditions are as follows: liquid paraffine warm-up temperature 80℃,reaction temperature 80~100℃,chlorine flow rate 80~100m3/h,reacting time 5.5~6.5h, adding 0.03% catalyst , 0.3% additive and 0.15% stabilizer.

对低正构烷烃液体石蜡生产合格的氯化石蜡提出内稳定设想，确定了最佳的工艺条件：液蜡预热温度80℃，反应温度80~100℃，氯气流量80~100m3/h，催化剂用量0.03%，添加剂A用量0.3%，反应时间5.5~6.5h，稳定剂用量0.15%。

Liquid propellant rocket engine ; Precombustion chamber ; Turbulence model ; Three dimensional flow ; Numerical simulation

液体推进剂火箭发动机；预燃室；湍流模型；三维流；数值仿真

The engine of cryogenic liquid rocket is required for fully precooling by natural circulation before launching, and the return flow location of the circulation loop plays an important part in field distribution of tank.

低温液体火箭射前需要采用自然循环方式对火箭发动机进行充分预冷，循环预冷管路的回流口位置是影响液氧贮箱内部场分布的重要因素。

The solution in the reactor has uniform inner heat source, and there are tiny air bubble built, the whole system is running by natural convection and the driving of air bubble. The gas-liquid two phase flow and heat transfer are mutual effecting to become the complex pyrology system.

堆内溶液是一个具有均匀内发热源，并伴随有微小气泡均匀生成的自然对流和气泡驱动同时作用下的三维复杂两相流动的物系，气液两相流流场与传热温度场相互作用，产生复杂的热工水力现象。

By setting the retting duration of 20 hours, the factors affecting the residual gum percentage of the retted kenaf fibers are studied. The experimental results show clearly that the following factors have the significant influence on the residual gum percentage of the retted kenaf fibers and show the obvious variation tendency. The preferred processing parameters are as follows: pH value 7. 0、bath ratio 1: 50、reuse percentage of retting liquid 50%、air flow volume 2. 5L/min、temperature 40℃、nitric additives (ammonia is better than nitrates) percentage 0.45%.By comparison with anaerobic retting, the retting duration using aerobes is much shorter than that using anaerobes.

确定了以好氧微生物脱胶作为本课题的脱胶路线后，在特定的脱胶时间（20小时）条件下，通过分析不同参数条件下的残胶率，研究了好氧微生物脱胶的各种影响因素对红麻脱胶的影响规律，并优选出最佳脱胶液回用比为50％，最佳pH值为7.0，最佳气流量为2.5L/min，最佳浴比为1：50，最佳水浴温度为40℃，最佳含氮添加剂为铵盐类化合物，最佳含氮添加剂用量为0.45％。

Then, from the solid—liquid two phase flow theory, considering all the forces acted on the solid particle, the movement equations of single spheric particle are established.

然后，从固液两相流理论出发，导出单个球形泥沙颗粒的运动方程，由此建立泥沙颗粒的随机运动模型。

Tray soilless culture evolved by the nutrient flow technology in which there was only a layer of nutrient liquid and the oxygen was very enough was designed to improve the effect of wastewater purified by the terraneous It was showed that when the height of the tray was 1cm, and six layers of clothes were laid on the tank to filtrate and hold wetness the wastewater, furthermore, the gradient of the tank was between 2 and 8, the tray soilless culture was the most feasible.

为了提高陆生植物净化废水效果，根据仅有一层营养液流过栽培容器的底部而使供氧条件大大改善的营养液膜技术衍变而设计一种栽培方式即育苗盘种植。试验研究表明，最适的盘培方式为育苗盘高度为1cm，栽培槽上再铺设6层无纺布用于养鱼废水的过滤、保湿，另外，栽培槽的坡度设计在2％—8％之间。

The thesis makes a wellbore pressure and temperature distribution allegiance calculation forecasting model which takes the seawater temperature field and coefficient of heat transmission into account based on the study of the related theories. And the thesis makes a research of the impact of Reynolds Number upon drag coefficient based on the classical Tunner Droplet Model, and makes the critical flow rate model of liquid lift for Ya 13-1 gas field from the perspective of security.

通过理论研究，建立了考虑海水温度场及传热系数的适用于崖13-1气田的井筒压力、温度分布耦合计算预测模型；从气井积液机理研究出发，建立了高低气液比携液临界流量的计算模型，在高气液比携液临界模型的推导中，以经典的Tunner液滴模型为基础，研究了雷诺数对曳力系数的影响，从安全考虑建立了适用于崖13-1气田的携液临界模型。

For the optimization of the structure parameters and operation ones of the cylindrical three-phase cyclone with a vaned inlet and a direct-current outlet which is used for separating the mixtures of solid and liquid particles from gas flow, gas fluid field in three-phase cyclone was measured by five-hole pressure probe under two fluxes.

为了对用于液固混合物与气相分离的直筒型导叶直流式三相旋流器进行结构参数和操作参数的优化，使用五孔球探针对直筒型导叶直流式三相旋流器的气相流场在两个流量下进行了实验测定。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐