低真空
- 名Low vacuum;coarse vacuum
-
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 .
-
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
-
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
-
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
-
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 .
-
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 .
-
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.
-
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 .
-
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 .
-
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 .
-
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 .
-
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
-
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
-
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
-
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 .
-
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 .
-
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
-
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 .
-
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
-
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 .
-
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 .
-
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
-
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 .
-
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 ) .
-
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
-
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 .
-
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
-
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
-
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
-
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