低真空

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  • Low vacuum;coarse vacuum
低真空低真空
  1. 低真空热处理是真空热处理范畴中的一支生力军,是一种廉价的真空热处理技术;

    Coarse vacuum heat treatment is a fresh activist in vacuum heat treatment and a low cost vacuum heat treatment technique .

  2. 低真空时激光诱导Al等离子体辐射分析

    Analysis of the Plasma Radiation Induced by Laser Ablating Al at Low Pressure

  3. 低真空射频反应溅射Al2O3薄膜

    Al_2O_3 Thin Films Deposited with Reactive r-f Sputtering Technique in Low Vacuum

  4. 低真空封装的新型变电容面积MEMS惯性传感器阶跃响应特性分析

    Study of Inertial Step Response of a Novel MEMS Capacitive Accelerometer with Variable Areas in Low Vacuum

  5. 该研究对低真空封装的RFMEMS电容式开关的优化设计很有意义。

    This study is very useful for the optimized design of RF MEMS capacitive switches working in low vacuum .

  6. 结果表明,在低真空绝热夹层中充注工业用CO2后,得到的真空绝热层绝热效果良好,能够满足一般的低温输送管路需求。

    The result of this kind of vacuum insulation is satisfied and can meet the requirement of cryogenic transfer pipe .

  7. 在低真空(9300Pa)过程充Ar,仍会发生脱N行为,此时脱N为二级反应,传质速率常数为0022cm/s。

    The denitrogen still happened as Ar was filled in low vacuum ( 9 300 Pa ), in this case the denitrogen was second-order reaction with mass transfer rate coefficient 0.022 cm / s.

  8. 这种Φ16×3mm的阴极具有发射性能稳定、抗中毒、易于激活及较低真空条件等优点。

    This cathode has the advantages of the stable emission , anti-poisoning , simplicity and lower vacuum condition .

  9. 可见,RFMEMS开关用低真空封装可以减小空气阻尼、改善开关速度和执行电压的同时,开关的性能却容易受外界环境因素的影响。

    While encapsulating RF MEMS switches in low vacuum diminishes the air damping and improves the switch speed and operation voltage , the performances of a switch is incident to being influenced by outside environment .

  10. 用该方法在不同的本底真空度下制备FeN薄膜,发现较高真空下比较低真空下制备的FeN薄膜磁学性能要好。

    It is found that the magnetic properties of those prepared in high vacuum are much better than those of films prepared in low vacuum .

  11. 通过RFMEMS电容式开关实例,表明设计低真空封装的RFMEMS电容式开关时应考虑外部环境因素。

    The influence is also illustrated with an RF MEMS capacitive switch example , which shows that outside environment factors have to be taken into account when designing RF MEMS capacitive switches working in low vacuum .

  12. 200MW汽轮机组低真空复合通风快速冷却汽缸的实践

    Fast cylinder cooling by low vacuum compound ventilation for 200 MW power generators

  13. 国产200MW汽轮机低真空掉闸事故的分析及处理

    Malfunction analysis and treatment of a domestic steam turbine caused by low vacuum

  14. C6-3.43/0.98机组低真空供热技术改造

    The Reform of C6-3.43/0.98 Turbine for Heat in Lower Vacuum

  15. 分析了外界惯性冲击对低真空封装的旁路电容式RFMEMS开关性能的影响。

    The influence of outside inertial shock combined with RF signal voltages on the properties of a shunt capacitive MEMS switch encapsulated in a low vacuum environment is analyzed considering the damping of the air around the MEMS switch membrane .

  16. 本文介绍低氧轴承钢的精炼工艺及结果,其工艺过程是EAF→低真空或非真空下吹氩搅拌→模铸。

    This paper reports the refining process of ultra-low-oxygen ball bearing steel . The process is EAF → argon stirring in a VAD ladle with low vacuum or without vacuum → ingot casting .

  17. 韶关电厂200MW机组低真空的原因分析及对策

    Cause analysis and Counter-measures for low vacuum occurred on 200 MW unit in Shaoguan Power Plant

  18. 而低真空回火后磁体中的孔洞既少也小,线状晶界缺陷明显较少,且磁体中的富Nd相比高真空回火后的磁体还要细小,分布也更均匀。

    While the pores in the magnets with low vacuum annealing are less and smaller , the linear grain boundary defects are obviously fewer , and the Nd-rich phases are smaller and distribute more uniformly than those of magnets of high vacuum annealing .

  19. C6-3.43/0.98机组低真空供热改造的热经济性分析

    Analysis of the heat economy performance of heat reform of C6-3.43/0.98 turbine in lower vacuum

  20. AD法由低真空沉积室,喷咀,粉末雾化室,机械真空泵等组成。AD法具有沉积温度低(室温),沉积率高,涂层密度高,结合强度高等优点。

    The AD method is made up of a vacuum deposition chamber , a nozzle , an aerosol chamber and a vacuum pump , and has the advantages of low deposition temperature ( room temperature ), high deposition rate , dense coating layers and high adhesion strength .

  21. 介绍承德市热电厂C6-3.43/0.98机组低真空供热的技术改造情况。

    Introduced the reform of C6-3.43/0.98 turbine of Chengde heat and power plant for heat in lower vacuum .

  22. 25MW(51-25-1型)纯凝汽式机组冬季供热期间低真空运行调整

    The Method of Low-vacuum Operating Adjustment of 25MW ( 51-25-1 ) Pure Condensing Steam Generator During the Winter Heating

  23. 本系统将用于低真空测量的ZJ53B型热偶规和用于中真空测量的ZJ10型电离规复合使用,并实现智能控制。

    This system compounds the ZJ 53 B thermocouple gauge which is used for low vacuum measuring and the ZJ 10 ionization gauge which is used for median vacuum measuring , and realizes the intelligent control .

  24. 运用霍尔效应的原理,在低真空、高温(390~540K)下用直流法测量了该α-Fe2O3压片的霍尔电压与电阻。

    The Hall voltage and resistivity of a α - Fe 2O 3 sample in low vacuum were measured at high temperatures ( 390 ~ 540K ) .

  25. 低真空中SPIG性能的蒙特卡罗模拟研究

    Monte Carlo simulation for properties of SPIG in poor vacuum The coercivity of the former is 34.8A/m . The Emission Studies on Ultraviolet Laser Ablation of Copper in Low Pressure

  26. 应用分段减压蒸馏方法使产物与溶剂甲醇(MeOH)和过量试剂乙二胺(EDA)分离,在较低真空条件下(0.06MPa),MeOH和EDA的回收率高达98.1%。

    The method of segment decompression distillation was applied to separate the product and excessive methanol ( MeOH ) and ethylene diamine ( EDA ) . Under the lower vacuum conditions ( 0.06MPa ), 98.1 % of the recovery for both MeOH and EDA was achieved .

  27. 胡萝卜、青刀豆低真空单层干燥研究

    Research on the thin-layer vacuum drying of carrot and sword bean

  28. 供热机组低真空供热改造安全性校核研究

    Research on safe assessment low vacuum thermal dilation of heating unit

  29. 凝汽机组低真空循环水供暖调节方法的研究

    STUDY ON THF regulation method of low vacuum circulating water heating

  30. 低真空蒸发法制做金属超微粒子工艺

    The production technology for ultra fine particles by low vacuum vaporization