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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。

The factory set up since 1992, has been committed to the casing hot galvanized wire and cable products bridge the research and development, is now owned from billet steel rolling, pickling Phosphating, points, hot galvanized, electro-galvanized Laguan molding and other large and comprehensive and mature product line.

本厂自1992年成立以来，一直致力于热镀锌电线套管及电缆桥架系列产品的研究与开发，现已拥有从胚料轧钢、酸洗磷化、分条、热镀锌、电镀锌及拉管成型等大型综合性成熟生产线。

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。

In the parameterized design of the hot wind furnace, the number of rows and columns of pipe bundle were always varied with design parameters, it was difficult to generate 3D parametric model of hot wind furnace.

在间接加热式热风炉的参数化设计中，蛇型管束的行数和列数随着设计参数的变化而变化，使得间接加热式热风炉三维参数化建模比较困难。

Unclean, or mistakenly believe that the skin while taking a bath desperately, and even add their own secret prescription, such as salt, wine, vinegar, ginger mother to scrub tea, scalding with hot water or a hot add all kinds of disinfectant, in the hope Body "washed."

不洁，或误认为皮肤洗澡时拼命，甚至加入盐，酒，醋，姜母茶擦洗自己的秘方，用热水或热添加所有类型的消毒剂，在烫伤希望身体&洗。&

I just put on the road, she fart fart house from the back of the house arrived, ah ha ha ~~~ then went back inside even an apartment, took out last night to do more Pasta AK, hot, hot, with yesterday grapes buy a new soup, vegetable salad mold.

于是就回到偶公寓里头，拿出昨晚 AK 做多的意面，热了热，搭配昨天提子新买的汤，还有蔬菜沙拉捏。

Based on the FEM,the calculation and analysis were performed for the transient temperature field s and stress fields of the intermediate pressure main steam valve housing under various operating conditions including cold startup,shutdown,strong hot startup,limit hot startup and accidental condition in 200MW unit in power station.

采用有限元方法，计算分析了电站200MW汽轮机中压主汽阀阀壳在冷启、停机、强热启动、极热启动以及事故等工况下的温度场和应力场，得出了阀壳裂纹区各工况下温度场和应力场的变化规律，提出了内壁裂纹区的周向应力是疲劳寿命计算的主要参考量。

Based on the FEM,the calculation and analysis were performed for the transient temperature fields and stress fields of the intermediate pressure main steam valve housing under various operating conditions including cold startup,shutdown,strong hot startup,limit hot startup and accidental condition in 200MW unit in power station.

采用有限元方法，计算分析了电站200MW汽轮机中压主汽阀阀壳在冷启、停机、强热启动、极热启动以及事故等工况下的温度场和应力场，得出了阀壳裂纹区各工况下温度场和应力场的变化规律，提出了内壁裂纹区的周向应力是疲劳寿命计算的主要参考量。

Hot runner accessories for sale: hot mouth, industrial socket, thermostat, heating coil, thermal coupling, electromagnetic valve, pipe fitting mold joints.

销售热流道配件：热嘴、工业插座、温控器、加热圈、热电藕、电磁阀、模具管件接头等。

Produced by hot air circulation oven, vacuum drying equipment, drying equipment fluidization, spray drying equipment, rapid mixing equipment, crushing equipment, granulating granulation equipment, hot stove and alcohol recovery tower, such as product marketing more than 20 provinces nationwide , cities and autonomous regions, are widely used in chemical industry, metallurgy, medicine, food and other industries by the trust and welcome the broad masses of users.

公司生产的热风循环烘箱、真空干燥设备、流态化干燥设备、喷雾干燥设备、快速混合设备、粉碎设备、制粒造粒设备、热风炉与酒精回收塔等产品行销全国二十多个省、市、自治区，广泛应用于化工、冶金、医药、食品等行业，受到广大用户信赖和欢迎。

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。