查询词典 test tube

In order to relatively keep uniform steam distribution along tube length direction, the ratio between tube bundle length and tube plate diameter must be reasonable.

为了使蒸汽沿管长方向分配比较均匀，管束长度与管板直径的比值必须合理。

Through three-dimensional numerical simulation of water field in draft tube, it can show the velocity and pressure distribution in draft tube, which is helpful to optimize parameters in designing hydropower station and draft tube. It also has important meaning for optimum design of hydropower station.

通过数值模拟方法计算尾水管内三维定常流动，可以方便地揭示尾水管内的速度和压力分布，有助于进行水电站设计优化参数的选择和改进尾水管的设计，对水电站的优化设计有着重要的意义。

A fiber plastic tube with infiltration resistance membrane is dipped with composite resin to form a composite flexible tube, than the tube is turned inside out by hydraulic pressure and, as a lining, adhibited on inner wall of an old pipeline.

该技术采用有防渗透薄膜的纤维塑料软管，并经复合树脂充分浸渍形成纤维塑料复合软管，再通过水压将软管翻转并内衬在需修复的旧管道内壁，固化后形成一条坚固光滑的纤维塑料复合新管。

The shell- and- tube heat exchanger of the tube plate and tube expansion joints used to connect the general pattern or welding.

管壳式换热器管子-管板接头连接一般采用胀接或焊接型式。

The results show that B2 phase presents broad fibred shape in the forged rod, and major textures are close to {112}〈111〉and {110}〈111〉; Fibred microstructure in hot-extruded tube becomes fine and fibres have broken, at the same time,{111} orientation of many grains is close to axis direction of tube; Microstructure in cold-rolled tube consists of B2,β-Nb and4Ni2O phases, fibres has heavily broken, which restrains phase transformation during cooling and heating.

结果表明：锻棒中的B2相呈较宽的纤维状，主要的织构组分接近{112}〈111〉和{110}〈111〉；热挤压管纤维组织变细且发生碎化，多数晶粒的{111}取向接近管材的轴向；冷轧管相组成为B2、β-Nb和4Ni2O，纤维组织发生严重碎化，抑制了马氏体相变的进行，{111}〈110〉和{112}〈110〉成为主要的织构组分。

The company host camp product has the gas station special-purpose flare; Each kind of model leads the oil pump; Accelerator; Oil pot fluid position meter; Dives the oil pump; Each kind of oil pumping, offshore oil delivery rubber tube and PVC tube, train crane tube, fuel depot metal vlexible hose; Each kind of model flow indicator, tank car pump; Static electricity earth alarm apparatus,(PC16, PH 8) froth producer, and each kind of fire equipment; All-weather respiration valve, automobile breather valve and so on each kind of valve and fast attachment, fire resistance ventilation hat and so on 400 products.

公司主营产品有加油站专用照明灯；各种型号导油泵；加油机；油罐液位仪；潜油泵；各种抽油、卸油胶管及PVC管、火车鹤管、油库金属软管；各种型号流量表，槽车泵；静电接地报警器、（PC16、PH 8）泡沫产生器、及各种消防器材；全天候呼吸阀、汽车通气阀等各种阀门及快速接头、阻火透气帽等400余种产品。

" Flash tube, also flash tube:a gas discharge tube used in an electronic flash to produce a brief, intense flash of light."

闪光管：一种用于在电子闪光时产生短暂而强烈的光束的气体释放管。

The different friction coefficient between tube and die is one of the important influences in tube hydroforming. Reduce the friction as possible, it can not only benefit to tube forming, but also reduce axial force effectively.

不同的管坯和模具之间的摩擦系数也是影响管坯成形的重要影响因素之一，要尽量减少摩擦，不仅有利于管坯的成形，还能有效地减小轴向力。

In order to solve the phenomenon of the side wear and corrosion between the rod and the tube during the sucker rod pump's working process,wearable and antisepsis coatings was coated in oil tube ,and friction and wear properties between many types of oil tube and rod materials pairs were studied.

为了治理有杆泵井的管杆偏磨问题，在油管上喷涂了一层耐磨防腐涂层，并对比研究了抽油杆和油田常用的油管摩擦副及喷涂耐磨涂层后的油管摩擦副的摩擦磨损性能。

Experimental results indicate that the B/A value greatly affects the internal Nusselt number and friction factor of the twisted tube because the parameters decrease with the increase of B/A and S/d values, more rapidly with the former, and that the Nusselt number and friction factor of the twisted oblate tube increase respectively by 30%~150% and 20%~50%, as compared with those of the smooth tube at the same Reynolds number and Prandtl number.

实验结果表明：高扭曲比螺旋扁管的管内努塞尔数和阻力系数均随B/A值和S/d值的增大而减小，但随B/A值的增加而减小得更快，B/A值对高扭曲比螺旋扁管的管内传热与流阻性能影响更大；在相同雷诺数和普朗特数下，高扭曲比螺旋扁管管内的努塞尔数为光滑管的1.3~2.5倍；阻力系数为光滑管的1.2~1.5倍。

Given the language of section 102(2), the Supreme Court's rejection of substantive review under NEPA seems unjustifiable in principle

按照第102条的规定，最高法院否决《国家环境政策法》所规定的实质性复审在原则上似乎是不正当的。

ObjectiveTo explore the effect of variable hip abduction orthosis on children spastic cerebral palsy.

目的探讨髋关节矫形器在儿童痉挛型脑性瘫痪康复中的作用。