除气

A new inline compact degas unit has been developed based on the last dagas theory and combining with production situation.

根据最新的除气理论原理，结合生产现状研制了一种新的紧凑型在线除气装置，该装置在只使用氩气或氮气时除气效率达 5 0 %以上。

Mass-spectrum scan is conducted for the remaining gas in insulating layer. It is discovered that, the steam, CO_2 and hydrocarbon are main factors affecting the vacuum degree of the layer. Degasification process shall be applied to remove the remaining gas and to extend the service life.

通过室内实验，对隔热夹层中的残气进行了质谱扫描，发现水蒸汽、CO2 和碳氢化合物是"污染"夹层真空度的主要因素，可应用除气工艺消除隔热夹层中的残气，以延长高真空隔热油管的使用寿命。

Si ingots were studied under different ultrasonic frequencies,e g without degasser and ultrasonic,with degasser only,with degasser and ultrasonic under constraint cooling in the bottom of the ingot.

研究了不同超声波频率下熔体处理方法对Al-1.65%Si铸锭除气的影响，如：没有添加除气剂和超声波处理、只添加除气剂不进行超声波处理、铸锭底部强冷情况下既添加除气剂又进行超声波处理的情况。

The effects of the melt treatment methods on the degassing efficiency of ultrasonically refined Al-1.65%Si ingots were studied under different ultrasonic frequencies,e g without degasser and ultrasonic,with degasser only,with degasser and ultrasonic under constraint cooling in the bottom of the ingot.

研究了不同超声波频率下熔体处理方法对Al-1.65%Si铸锭除气的影响，如：没有添加除气剂和超声波处理、只添加除气剂不进行超声波处理、铸锭底部强冷情况下既添加除气剂又进行超声波处理的情况。

The solids control equipments are rationally distributed,and up to five stages purification(rough screening,degas,desand,desilt and centrifugation),and optimum the performance of the mud.

固控设备布局合理，达到五级净化标准（粗筛、除气、除砂、除泥、离心），使泥浆性能得到进一步优化

The effect of melt treatment method on degassing efficiency of ultrasonically refined pure aluminum ingots was investigated.

研究了不同的熔体处理方法对纯铝铸锭超声波除气的影响，分析了影响超声波除气效果的原因。

The insurance of the normal operation of vacuum degassing system and sealing performance of the desalted water drum was the important measure to control the corrosion.

确保真空除气系统正常运行和二级除盐水箱的密封效果是控制腐蚀的主要手段。

On the technologies for this type of laser, special anode for cathode-outgassing and two-way evacuating method were put forward. That these methods can improve the effect of outgassing has been proved theoretically/experimentally.

在激光器的制作工艺方面，提出了加设除气用辅助阳极和使用双真空排气的方法，并从理论或实验方面证明了这些方法可以改善激光器的除气效果。

The content value of hydrogen is high in aluminium melt of 25 t oil melting furnace .

t燃油熔铝炉熔炼的铝合金熔体中氢含量较高，配备ALPUR除气净化装置，通过合理使用，达到了满意的除氢效果，保证了铸锭的内部质量。

Main Products: 1000M ~ 9000M mud circulatory system, silk-type vibrating screen, shear pumps, centrifuges, Desanding, in addition to the integration of mud cleaners, vacuum degassing, and gas-liquid separator drilling mud, mud mixer series .

主要产品：1000M～9000M泥浆循环系统、丝型振动筛、剪切泵、离心机、除砂、除泥一体化清洁器、真空除气器、钻井液泥浆气液分离器、系列泥浆搅拌器。

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％。