Selective products have to pass the test in different conditions, such asshock heating and cooling, vacuum and pressure.
抽样的产品必须通过不同条件的测试，例如骤冷骤热的温度差测试，真空测试，强压测试等。
This paper gives methods of determining the optimum vacuum of condenser that takes account of the save on cooling water, the methods can help reduce costs and environ.
文中提出一种考虑节水因素的凝汽器最佳真空的确定方法，为降低发电成本及减少环境污染提供了一项有效的途径。
A set of this machine can do the integrated operations of vacuum, heating, cooling.
本机一台可做真空、加热、冷却，一贯作业。
Hoses: Check radiator, cooling, heating and vacuum hoses for cracks and bulges.
软管：检查散热器、冷却、供热和真空等软管有无裂缝和膨胀处。
Tribology properties test could be made on this tester under different conditions, such as vacuum, filled with different gas, heating and cooling.
该机可以在真空、充不同气体、加热及冷却等多种条件下进行材料的摩擦学性能测试。
This paper introduces the operational characteristics of the GEA Air Cooling Unit, and summarizes the basic method and relative operation of the vacuum leakage test of Air Cooling Units.
根据GEA空冷装置及机组运行特点，总结空冷机组真空严密性试验的基本方法和相关操作。
Vacuum cooling is a complicated heat and mass transfer process supported by various theories such as diffusion, heat transfer, mass transfer and phase change.
真空冷却过程是复杂的相变传热传质过程，该过程涉及到扩散、传热、传质和相变等机理。
The vacuum stereotypia USES enlarges the vortex cooling system specially, is advantageous for cooling to finalize, meets the needs which squeezes out high speed.
真空定型采用特殊加大涡流冷却系统，便于冷却定型，以满足高速挤出的需要。
Vacuum cooling is a rapid evaporative cooling technique under vacuum, which can be applied to specific foods and in leafy vegetables.
真空冷却是在真空下水分快速蒸发的预冷技术，可用于食品尤其适于叶类蔬菜的冷却。
The concept of relative water loss rate is advanced to judge the degree which actual water loss is higher than theoretical water loss in the process of vacuum cooling.
提出相对失水率的概念，作为比较真空冷却过程中实际失水高于理论失水程度的判断依据。
Food vacuum cooling equipment is a new type boiled food production equipment which has quick cooling rate, even cooling effect and health.
食品真空冷却装置是一种冷却速度快，冷却效果均匀、卫生的新型熟制食品生产设备。
This paper reviewed the recent developments of the application of vacuum cooling in vegetables, fruits cut flowers, and meats and the mechanism of vacuum cooling.
本文综述了真空冷却技术在花卉、果蔬和熟肉中的应用研究现状以及目前真空冷却技术理论研究的进展。
The mathematical model can be used to predict the variations of temperature and mass loss for understanding the mechanism of vacuum cooling.
数学模型可以准确预测真空冷却过程中的温度变化和质量损失，将有助于进一步理解和研究真空冷却机理。
Through tests and exploration, the cause of vacuum fluctuation in summer was found, in the direct air cooling unit, the output of vacuum pump had obvious influence on the variation of vacuum.
经过试验和探索，找到了夏季真空波动的原因，在直接空冷机组中，真空泵出力对真空的变化有明显的影响。
Based on vacuum pumping accompanied with throttling process, presenting several superfluid helium cooling cycles and analyzing their flow principle and cooling characteristic.
以抽真空与节流相结合为基础，给出了几种超流氦冷却循环方式；分析了这几种方式的流程机理和冷却特性。
There are water cooling target chuck and back flanges on the top of the vacuum chamber.
真空室顶部预留了法兰口并配有冷却靶台。
Vacuum cooling has been widely used as a rapid cooling method for vegetables, fruits cut flowers, and foods to improve their keeping quality.
真空冷却是一种快速冷却技术，它被广泛应用在花卉、水果、蔬菜和食品的冷却降温。
Vacuum packer can complete the whole process of pumping air into vacuum state, sealing, lettering, cooling and exhaust in terms of the process, but just need to press the vacuum cover.
真空包装机只需按下真空盖即自动按程序完成抽真空、封口、印字、冷却、排气的全过程。
The heat load to the vacuum vessel thermal shield (VVTS) is analyzed by FLUENT finite element software in order to demonstrate that the design of cooling tubes is reliable.
采取有限元法对内冷屏的受热状况进行了计算分析，以验证内冷屏氦冷却管道设计方案的可靠性。
Plastic principle: the flat plastic sheet heating soft, using vacuum adsorption in the surface of the die, formed after cooling.
吸塑原理：将平展的塑料硬片材加热变软后，采用真空吸附于模具表面，冷却后成型。
Therefore, the cyclic stress caused by repeatedly cooling and heating during the usage of non-magnetic Dewar is one of the important reasons that causes the decrease of vacuum performance.
因此，无磁杜瓦在使用过程中反复冷却及复温所产生的循环应力载荷，是导致其真空性能下降的一个重要原因。
A vacuum cooling system provided by the utility model can improve the operation efficiency of cooling and air exhaust processing equipment, thereby lowering the cost.
本实用新型提供的真空冷却系统，可以提高冷却抽气处理设备的运行效率，从而降低成本。
A high vacuum composite technique for the production of salt under vacuum was designed, its unit flow, working principle, function of cooling tower and vacuum pump were introduced.
设计了一种用于真空制盐的新型高真空组合技术，介绍了该技术的装置流程、工作原理及凉水塔、真空泵等设备的功能。
The cooling capability of Air cooling condenser has very great influence on vacuum of steam turbine.
空冷系统的ACC凝汽器冷却能力大小，对汽机真空有很大的影响。
The reference blackbody cavity was employed to calibrate the system and the vacuum cooling water bath system was used to decrease the influence of surroundings.
参考黑体用于对系统的标定，水浴环境腔体和真空系统用来消除环境和大气的影响。
With the assumption of the water vapor resulted from the vacuum cooling to be ideal gas, the energy consumptions of the catcher and the vacuum pump needed in cooling were calculated, respectively.
通过对预冷过程中水蒸汽为理想气体的假定，分别计算了捕水器和真空泵在匹配时所需要的能耗。
The influence of vacuum cooling on the quality of cooked beef was studied as compared with conventional cooling methods including air-blast cooling and slow-air cooling.
本实验研究了真空冷却方式与冷风冷却，自然冷却方式对白煮牛肉品质的影响。
May circle the system in the vacuum tubular resistance furnace body installment by the multi-layered copper pipe the horizontal field winding, must let water through cooling.
可在真空管式电阻炉体安装由多层铜管绕制的横磁线圈，需通水冷却。
The vapor condenser is a very important device in vacuum pre-cooling equipment.
真空预冷装置中，捕水器是一个十分关键的部件。
The vapor condenser is a very important device in vacuum pre-cooling equipment.
真空预冷装置中，捕水器是一个十分关键的部件。
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