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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。

In most areas, the vertical distance from the tree line to a mountain's peak is less than a quarter-mile.

在大部分区域，从树木生长线到山峰的垂直距离，少于0.25英里。

With up to four people over the years in the domestic auto industry's efforts, at the same time learn from at home and abroad with extensive industry experience and advanced technology for FAW-Volkswagen, the steam, Shenyang Brilliance, FAW Body Works, Jilin light, Kazakhstan light, Nanjing, FAW Yangzi, and other manufacturers to provide a large number of aerodynamic balance Manipulator, the empty mobile trolley, spring balancer, vertical and horizontal translation pulley, fixed-feed welding torch, simple open-book line, reciprocating spray paint machine, Welding side Wai transmission lines, no activities on the press table-technology equipment such as vehicles.

四达人凭借多年来在国内汽车行业中的努力，同时广泛汲取国内外同行业的先进技术和经验，为一汽大众、二汽、沈阳华晨、一汽车身厂、吉林轻型、哈轻、南汽、一汽扬子等众多厂家提供了大量的气动平衡机械手、空车移动小车、弹簧平衡器、纵横平移滑车、固定式馈电焊枪、简易开卷线、往复式喷漆机、焊装侧围输送线、无活动工作台压机上模车等工艺装备。

A high precision GPS monitoring network, which consists of five tide gauge stations, was established along the coastal line to separate the sea level changes information obtained by the tide gauge stations from the vertical continental movement at the tide gauge stations.

为了将验潮站得到的海平面变化信息与验潮站所在陆地垂直运动分离开来，获得海平面变化的绝对信息，在我国沿海5个验潮站建立了一个高精度的GPS陆海垂直运动监测网。

Cross sector seamless line, namely rail bar, rail bar and rail switch direct welding; the vertical force and displacement are direct transmitted between rail bars.

跨区间无缝线路，即轨条与轨条、轨条与道岔直接焊接，轨条之间直接传递纵向力和位移。

VALVE TO BE ACCESSIBLE AND INSTALLED HORIZONTALLY ON A VERTICAL SECTION OF LINE.

允许控制阀水平安装在管线的垂直断面。

VALVE TO BE ACCESSIBLE AND INSTALLED HORIZONTALLY ON A VERTICAL SECTION OF LINE.

水平安装在垂直管道上？都到垂直管道上，还怎么水平

VALVE TO BE ACCESSIBLE AND INSTALLED HORIZONTALLY ON A VERTICAL SECTION OF LINE.

阀门要便于安装并且水平安装，阀门的法兰和管线中心线垂直。

Major products: 2000 and 3000 series automatic Insulating Glass Line and Open Top Washing Machine, Vertical Washing Machine, Automatic Spacer Bending Machine, Desiccant Automatic Filling Machine, Two Component Sealants Extruder, Rotating Table, Butyl Extruder, Glass Cutting Table,Low-E Film Removing Machine,Insulating Glass Sealing Robot,Belt Cross Grinding Machine, Mixing Gun Freezer, Salt Loader, Hydraulic Elevator, Spacer Moving Machine, Spacer Cutter etc.

主要产品有：2000，3000系列自动化中空玻璃生产线，开顶式玻璃清洗机，立式玻璃清洗机，铝条框自动折弯机，分子筛自动灌装机。双组分打胶机，密封旋转工作台，丁基胶涂布机，玻璃切割机，Low-E玻璃除膜机，中空玻璃自动打胶机，砂带磨边机，胶枪冷冻机，分子筛灌装机，液压升降机，铝条框移送机，铝条切割机等。

Our company mainly produces and sells: Semi-continuous tri-chambers magnetic field vacuum heat-treatment furnace production line, large-size pit gas carburizing furnaces, atmosphere protecting combined furnace groups, vertical aluminum alloy quenching furnaces, stepping box resistance heating furnace, band material finishing continuous heat treatment furnaces, pre-pumped vacuum furnace, High-precision box tempering furnace, etc.

公司主要生产、销售：半连续三室磁场真空热处理炉生产线、大型井式气体渗碳炉、气氛保护联合炉组、竖式铝合金淬火炉、步进式箱式电阻加热炉、带材光亮连续热处理炉、真空预抽炉、高精度箱式回火炉等。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。