查询词典 rate of flow

Lever Ball Float Steam Traps biggest advantage is not subject to pressure,temperature,cooling water flow fluctuations,continuous drainage,a water that row,the minimum cooling degree 0℃,能使best efficiency heating equipment;lever float steam trap valve seat total in the following level,forming awater seal,no steam leakage;itsPlug Valves minimum working pressure 0.01Mpa,the maximum back pressure rate of≤85%;interior with exhaust,lever float steam traps use the most advanced components as the automatic emptying of diaphragm valves,can automatically exclude non-condensing gas,very sensitive,high quality work and long service life.

杠杆浮球式蒸汽疏水阀的最大优点是不受压力、温度、冷凝水流量波动的影响，连续排水，有水即排，最小过冷度为0℃，能使加热设备达到最佳工作效率；杠杆浮球式蒸汽疏水阀的阀座总处于液位以下，形成水封，无蒸汽泄漏；它的最低工作压力0.01Mpa，最大背压率≤85%；内部带有排气装置，杠杆浮球式蒸汽疏水阀采用最先进的膜盒元件做为自动排空气阀，能自动排除不凝结气体，非常灵敏，工作质量高，使用寿命长。

Results show that load change has evident effect on pressure and flow rate of operation orifice of pilot valve, and pressure value of operation orifice should fluctuate in a biggish range as design pilot valve.

分析表明，负载的变化对先导阀的出口压力和流量影响较大，设计先导阀时，工作口压力的波动值应在一个较大的范围内综合考虑。

This paper deals with how to use optimum method to make economical comparisons of the following heating systems: the hot water boiler, heat exchanger system, steam jet system and shower calorifier system, which are widely used in industrial boiler house.On condition that the nature of the untreated waters, rate of condensation recovery, fuel costs, heating days, and temperature drop of flow and return water are different, a lot of analysis and comparisons have been made in this paper and optimal designs for...

本文论述了对工业企业锅炉房内几种常用热水制备系统(热水锅炉、换热器系统、蒸汽喷射系统和喷淋加热系统)如何应用最优化方法进行经济比较的问题；并且对其在不同给水水质、燃料价格、采暖天数、凝结水回收率以及不同的送、回水温差等条件下，作了大量分析和比较，从而为计算者推荐出不同条件下的最优方案。

Methods: The single factor experiments, systematically study the extraction of temperature, pressure extraction, the extraction time, an attachment ratio (Cosolvent velocity: carbon dioxide flow) and samples of the particles Cynomorium rate of flavonoids extracted.

通过单因素实验，比较系统地研究了萃取温度、萃取压力、萃取时间、夹带比（夹带剂流速：二氧化碳流速）及样品颗粒度对锁阳黄酮提取率的影响。

To establish a MPLC method for the content determination of resveratrol in Polygonum cuspidatum Sieb. Et. Zucc, Analytical column SOURCE 5RPC ST 4.6/150 was used with a mixture of acetonitrile+water (30+70,volume ratio ) as mobile phase ,with a flow rate of 1ml/min and the UV detection wavelength was 306nm, The linear range was 0.6-1.6mg/ml (r=0.9919). The average recovery of prodatin was 103.0%-90.4%(RSD=7.21%). The method is convenient and accurate. Result indicated a reverse phase chromatography media based o n polystyrene/divinyl benzene has excellent resolution for resveratrol in cuspidatum. P rovide theoretical support for process development.

色谱条件采用SOURCE 5RPC ST 4.6/150预装柱，以乙腈/水(体积比30/70)溶液为流动相，流速1ml/min、检测波长为308nm，结果表明，白藜芦醇在0.6～1.6mg/ml的浓度范围内峰面积积分值与浓度的相关系数r=0.9919；所测定的虎杖饮片中白藜芦醇平均含量为0.304％，平均回收率为103.0％～90.4％；实验表明，以聚苯乙烯为基架的反相介质对于虎杖中自藜芦醇具有良好的分辨率，适合其有效成分的检测、分离，对虎杖中白藜芦醇制备的科学研究过渡到工艺开拓有很好的借鉴。

MethodsSeparation was performed on an Agilent ZORBAX SBC18 (4.6 mm×250 mm, 5 μm) analytical column with mobile phase consisting of acetonitrile and water with gradient elute at the flow rate of 1.0 ml/min and the column temperature 40℃.

色谱柱： Zorbax SBC18柱（250 mm×4.6 mm，5 μm），流动相∶乙腈水，检测波长：203 nm，柱温：40℃，流速：1.0 ml/min，分析时间：90 min。

Raise soon along with the quick development and car of the superhighway and the car flow density to enlard increasinglythe automobile has to be brake safety that the system can promise to go a car dependablelymaking the pilot presume an exertive the made good time of automobile abilitynear but the exaltation automobile the rate of production of the conveyance.

随着高速公路茨迅速发展和车速的提高以及车流密度的日益增大，汽车必须有可靠的制动系统才能保证行车的安全，使驾驶员敢于发挥出汽车的高速行驶能力，近而提高汽车运输的生产率。

By increasing the output flow rate of side stream,the concentrations of formic acid and ch...

通过增大侧线抽出量，可降低富集区甲酸和氯离子的浓度，减缓设备的腐蚀速率，延长设备使用寿命。

The comparison studies on gossypol of different genetic types of pigment gland in the seeds of cotton newly bred, including the special and common glandless and glanded ones, was conducted through highperformance liquid chromatography on a C18 Column with methanol 0.5% acetic acid aqueous solution, 90∶10 as mobile phase at a flow rate of 0.8mL·min-1 and UV detection at 254 nm.

运用高效液相方法对新近育成的特殊和普通的无腺体陆地棉及特殊和普通的有腺体陆地棉及海岛棉等多种遗传类型品种材料的棉酚含量进行了比较研究。实验以一反向C18色谱柱为固定相，甲醇 0.5%的醋酸90∶10为流动相，流速为0.8mL·min-1，建立了分离度好、准确而快速的棉酚HPLC测定方法：其最低检测限量3×10-6g/mL-1，精密度和准确度均小于10%，回收率为100.4%～103.2%。

The influence of adhesive flow rate of high-speed automatic folder gluer on the adhesive layer thickness was studied. The influence of colloid adhesive viscosity, pressure, and diameter and position of Gel pores was simulated and tested using Navier-Stokes equation as the frame and CFD problem solving technique.

针对高速糊盒机喷胶流量对胶层厚度的影响，以Navier-Stokes方程为框架，运用计算机流体动力学求解技术，对胶体粘度、压力、胶孔直径大小和位置相互之间的影响进行模拟和实验，找出规律。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷