冷却

This paper discusses the temperature distribution in the accelerating structure of a 20MeV electron linac designed for medical use.

本文分析了一种20MeV电子直线加速器中的温度场分布，查明了目前所用具体结构与恒温冷却方式的质量水平，并与国外某些加速器所用的单向流动冷却方式在优缺点方面作了对比。

Turn off oven and cool meringues in oven 1 hour, then cool completely on sheets on a rack..

关掉烤炉，在烤炉内冷却蛋白糖1小时，然后拿出放在架子上彻底冷却。

A gas of produced raw molecule mixed with carbon dioxide is precooled in an outflow channel maintained at -15 DEG C and trapped in a trapping vessel chilled by dry ice to thereby enhance the efficiency of trapping of raw molecule.

在保持为-15℃的流出通道中将所制得的混有二氧化碳的原料分子气体预冷却并将原料分子捕集在被干冰冷却的捕集容器中，从而提高原料分子的捕集效率。

The dissertation presents somecontents about the vacuum precooling as follows: 1. Studies on the evaporation cooling principles of fruit and vegetable There are different optimal storing conditions for different vegetables and fruits.And the vegetable and fruit precooled by vacuum must be fit with the storingcondition. A low temperature will result in the frozen scald, and a high temperaturewill not meet the precooling objective.

本文开展了以下几个主要方面内容的研究：1、果蔬蒸发冷却规律的研究不同果蔬都有各自不同的最佳储藏条件，因此，真空冷却后的果蔬必须满足储藏要求，温度过低易引起果蔬冻伤，过高则达不到预冷的目的；湿度过低易引起干耗，减轻重量；过高则易引起腐烂变质。

However, the sea-water system such as condenser and pipings are heavily damaged by blockage in pipes through adhesion and growth of marine organisms and corrosion of copper alloy tubes and tube-sheets in the condensers.

大部分冷却海水管内壁都进行过防腐处理，但是，海水系统中诸如冷却器及连接管总是因海生物的生长而填堵塞，而且海水使铜管及冷却片受到腐蚀。

Thermoprproperties of 7 nucleators -CaCl2·6H2O composites such as borax, SrCl2·6H2O,Ba2·8H2O were researched with gradually cooling method and TGA-DSC under room temperature cooling,open system and icewater cooling, closed system.

用步冷曲线法和TGA-DSC联用研究了室温冷却开放体系和冰水浴冷却封闭体系两种工况下硼砂、SrCl2·6H2O、Ba2·8H2O等7种成核剂-CaCl2·6H2O复合体系的储热性能，探讨了工业级CaCl2·6H2O原料中主要杂质NaCl和MgCl2对成核剂成核作用的影响。

This invention relates to a method and device for generating cold atomic beam. Said method includes heating hot atom source in vacuum chamber to form atomic saturated vapor pressure atmosphere, cooling hot atom by three-D MOT to below 200uk and trapped to form cold atomic cloud, by the quarter wave plate reflection mirror in MOT the laser radiation pressure being unbalanced to make cold atom emitting along said direction, four tape arranged straight line set with contrary current direction is set in atom beam emission direction, which makes the atom emitted to forward to obtain cold atom beam with low speed, large flux and small transverse speed, laser beam vertical with atom beam set in the direction of cold atom emitting for atom beam state preparation to realize state concordant emitted cold atom beam.

本发明涉及一种冷原子束产生方法和装置，该方法包括在抽真空的真空室内，加热热原子源，在真空室中形成相应的原子饱和蒸汽压气氛；采用三维MOT对热原子进行冷却，冷却到200μk以下，并被捕获形成冷原子云团；通过三维MOT中开小孔的四分之一波片反射镜，而使得在该方向上激光辐射压力不平衡，使冷原子沿此方向出射；在冷原子束出射方向上，还置有载有彼此电流方向相反的四根成锥形排列的直导线，从而原子出射时将在磁场的作用下，不会沿横向膨胀而向前射出；便得到了出射速度低的、通量较大的、横向速度非常小的连续冷原子束；同时在冷原子束的出射方向上，设置有与原子束垂直的激光束，用于原子束的态制备，实现态一致的出射冷原子束。

The simulated results showed that in cooling tube the thermophoresis force had removing effect on the diesel engine particles,and it is possible to increase the deposition efficiency of diesel engine particles in cooling tube by rational design and control of the cooling tube structure and working parameters.

研究结果表明，热泳力对柴油机微粒具有一定的脱除作用，通过合理设计和控制冷却通道的结构和运行参数，可以有效地提高柴油机微粒在冷却通道中的沉降率。

According to the working principle of engine cooling system,the analysis was performed on the construction and layout of cooling system of XING WANG ZA6440 light bus. It is pointed out that the main reason leading to the engine overheat is poor sealing of the radiator cap,unreasonable selection and layout of the ventilation system.

根据发动机冷却系的工作原理，通过对星王ZA6440轻型客车冷却系的结构及总体布置分析，指出导致发动机过热的主要原因是压力盖密封不良、通风系统选择布置不合理等造成的。

COOLANT LEVETL: In newer cars look at the level markings on the overflow tank next to the engine, With order cars wait until the engine is cool and remove the radiator cap.

冷却液位：如果是新车，只需查看发动机旁溢流箱上液位标志。如果是旧车等发动机冷却后，取下散热器盖(为安全起见，带上一双厚手套)。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。