抽气

When you print, make sure that a clean glass plate burning, no dirt, use a soft, fibrous materials, so as not to scratch the surface of the glass;(2) make sure that the exhaust gas pumping clean to avoid exposure of incomplete, dot ambiguous waste plates;(3) choose to design a reasonable moisture、illumination uniform lighting, General wavelength in the range 450nm 350 MW to 750 MW is the best light source;(4) to determine the reasonable exposure time, you can use transmissional laodelphax wedges or the Chief harunar test to determine the net-point-to-value, select the exposure time; and (5) according to the developering concentration and temperature changes in the regulation of the speed of the treatment of development machine, such as temperature and concentration to speed up the pace of the appearing of the appearing on the other hand reducing speed so as to ensure the quality of the treatment of development; the treatment of development has been completed, plates well-proportioned coating protect the plastic and put it in place with dry.

1晒版时要包管晒版玻璃肮脏，无污物，用质地刚软的纤维货色擦拭，以免划伤玻璃背；(2)抽气时必定不兵气体抽肮脏，制止曝光不彻底，网不背不澄辉而爱惜印版；(3)拔取安排公道、光照平均的灯具，凡是波长在350～450nm边界边为最好光源；(4)猜测公道的曝光工夫，可以用透射灰梯尺或布鲁纳尔尝试条，猜测网不背成数，拔取曝光工夫；(5)根据显影液的浓度和温度改变环境调度显影机的不缓率，如温度和浓度功矮，可不收慢显影不缓率，反之贬低显影不缓率，以包管显影质度；(6)显影达成后，在印版表背平均涂布爱护胶，然后不收在透风处潮湿。

The main purposes of this study are to develop a method to control pollutant dispersion and to measure the control efficiency during the chamber preventative maintenance of a metal etcher.

实验以固定流量的1000 ppm追踪气体SF6在腔底连续释放，以了解反应腔的气罩效率或反应腔上方全开，在侧边视窗孔抽气时对污染物逸散的控制效率。

The progammable pipeline, especially nbspvacuum exhaust port hithermost a rubber tube was most likely to result in a flat suction nbspvacuum gas pipeline damage that prevents the rubber hose is an effective way of a flat is to install rubber tube a few root and pneumatic tube diameter equal to the springs.

晒版机惯路，尤其是真不满泵抽气口最挨近的一段橡胶惯最便当被真不满泵呼凹变成气路惯道毁坏，制止橡胶惯被呼凹的灵验方法是不兵橡胶惯边安设上几不梢与气路惯屈径不等的弹簧。

All of the gas pipeline should be kept clean and intine shall be dust and fibres, sundries, foreign bodies exist to prevent the blocking effect of exhaust gas path, so as to maintain the smooth flow of the pipeline.

所有的气路答保留肮脏，惯路边壁不得有尘埃、纤维、杂物、异物的活命，制止畅达气路，感化抽气，以保留惯路的畅达。

TW-600 Outside pumping vacuum packer: using air pressure style sealing, and it is clean and reliable; adopting the Japanese and Korea technology and equipment, is provided with dual functions of vacuum and charge; the whole machine circuit is from Korea and is programmable control, and is stable; sponge shape silica gel bar to ensure a fine airproof after pumping out the air; using the variable stroke air cylinder to make sure the sealing is neat and tidy; it is a perfect safe packaging after the product charge; stainless platform, and can adjust the height freely in terms of the size of the packaging goods; and also can change the work place easily for its installing truckle; simple style storage case to store the vacuum packaging bag or spare part in common use; Light touch style padding switch can be operated conveniently.

TW-600外抽式真空包装机：采用气压式封口，干净、可靠；日、韩先进的技术设备，具有真空及充气双重功能；整机电路由韩国可编程控制，性能稳定；海棉状硅胶条，确保抽气后密封良好；采用变行程气缸，使封口整洁平整；充气后产品理想的安全包装；不锈缸工作台，根据包装物的大小，任意调整高低；装有脚轮，可任意移动工作地点；简易型储物盒，存放真空包装袋或常用备件；轻触式脚踏开关，方便操作。

Inside most present bathrooms, an exhaust fan is always used to draw out the wet air but with no drying effect; a heater or heating fan is used for keeping body warm in cold days but with no dehumidifying function; an electric heater is added in mirror to defog but with shortage of wasting energy and taking risk of shock; towels are used to dry the body but likely affecting germ.

在目前的浴室中，大多使用抽气风扇抽走湿气但无乾燥效果；使用加热器或热风扇来作冷天的身体保温但无除湿功能；在镜子以附加电热器作除雾，但有耗能和可能触电的缺点；使用毛巾来擦乾身体但容易传染细菌。

One, corrode gas and corrode energy of life of plant of phenomenal Jiang Mou to bilge aluminous canal shoeshine, plunge into a bleed with the injector that takes syringe needle, in the analysis on appearance of gas phase color atlas, the result makes clear, in what taking gas hydric occupy 72% above, the others gas is nitrogen, not check gives oxygen.

一、腐蚀气体与腐蚀现象将某厂气胀铝管鞋油，用带针头的注射器扎通抽气，在气相色谱仪上分析，结果表明，所取气体中氢气占72%以上，其余气体为氮气，未检出氧气。

Besides, it can avoid the direct flow of steam and air mixture to air extraction outlet, in case of the load accretion for air ejector.

设置当汽板，防止主凝结区的蒸汽与空气冷却区的空气混合，影响传热效果；并防止蒸汽不经过主凝结区直接进入空气冷却区而增大该区域的热负荷；还可防止蒸汽-空气混合物不经过空气冷却区，直接流入抽气口，而使抽气器负荷增大

The function of air ejector: The air in the shell must be extracted by air ejector since the commencement of condenser due to the vacuum condition for condenser. During the operation of condenser, the air carried by exhaust steam of steam turbine and the air leaked from imperfect vacuum system must be continuously extracted so as to maintain the condenser vacuum.

抽气器的作用：由于凝汽器处于真空条件下工作，所以在凝汽器开始运行时，必须要用抽气器将其壳体内的空气抽出以建立真空；并在凝汽器运行过程中，将汽轮机排汽中夹带的空气和从真空系统不严密处漏入的空气不断抽出，以维持凝汽器的真空。

It is open to world-wide fusion researchers and J-TEXT machine can serve as the complementary and pre-experimental device for large-size tokomaks in the future.

其中，真空抽气系统主要由两台分子泵和一台低温泵组成，总的有效抽速经理论计算和实验测试大约为1400L／s。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。