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加热装置

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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。

Model SRZ and SRL screw wing radiator manufactured by our factory is mainly used for heating air in the system of dry and is main drying equipment in hot air device. The conducted heat medium adapted in radiator may be steam or hot water or heat conducting oil.

我厂生产的SRZ和SRL型螺旋翅片式散热器,主要用于干燥系统中空气加热,是热风装置中的主要设备,散热器采用的热介质可以是蒸汽或热水,也可用导热油,蒸气的工作压力一般不超过0.8Mpa,热空气的温度在150℃以下。

The ethylene producing process includes: distilling 5-45 % concentration ethanol solution to obtain mixed ethanol-water vapor, heating the mixed ethanol-water vapor to 150-350 deg.c, catalytic reaction in a gas-solid reactor to obtain coarse ethanol product, cooling, gas-liquid separating to eliminate components with boiling point higher than 70 deg.c and obtain ethylene gas, and washing, drying and refining to obtain ethylene product.

其特征是将乙醇蒸馏和化学催化制乙烯工艺过程耦合,浓度为5~45%乙醇经蒸馏系统得到乙醇-水混合蒸气,该乙醇-水混合蒸气继续加热到150~350℃后进入气-固催化反应器中经催化剂作用得到产物为粗乙烯,粗乙烯冷却后,使用气液分离装置去除其中沸点大于70℃组分得到乙烯气体,乙烯气体依次通过洗涤、干燥和精制得到乙烯产品。

The experimental apparatus has such functions as argon cleansing, heating outside the stove and closed loop control of temperature and pressure.

该实验装置具有氩气净化、炉外加热、温度和压力闭环控制,能同时施加正压、背压并按设定的恒压、恒极点胀形速度和应变速率进行实验,同时可以无接触地记录胀形件极点高度与时间的关系,并观察其形貌变化过程。

Doped foam with trace Al in a cylinder tube is radiatively heated by radiation fields from Au hohlraum which is irradiated with 8 laser beams on SGII facility.

SGII装置上用八路激光注入金腔产生高温辐射源,然后利用该辐射源来加热输运腔中的掺Al泡沫样品。

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The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作:对伸臂位于顶部的单层框架—筒体模型进行分析,提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。

Its advantage is that it can be used in smaller units.

其优点在于可以在较小的单位中应用。