氦气保护,Helium atmosphere
1)Helium atmosphere氦气保护
2)helium arc welding氦气保护焊
3)helium shielded welding氦气保护焊接
4)helium shielded-arc welding氦气保护弧焊
5)helium gas service engineering氦气保障工程
1.In this paper the design of surplus payload of aerostat is presented, based on calculation analysis ofhelium gas service engineering.本文通过氦气保障工程的分析计算 ,提出了浮空器有效载荷的设计余量。
6)helium[英]["hi:li?m][美]["hil??m]氦气
1.The preliminary study of small centrifugal compressor compressinghelium in a closed cycle;小型离心式压气机压缩氦气闭式循环的初步研究
2.Design and study of a reciprocatinghelium compressor;大功率活塞式氦气压缩机的研制
3.Solid Lubrication Technology of HTG R under Helium;高温气冷堆氦气气氛下的固体润滑技术
英文短句/例句
1.high pressure helium gas scintillation counter高压氦气闪烁计数器
2.holds liquid air or helium for scientific experiments.放液体空气或氦气的用于科学试验。
3.Most big balloons are now filled with helium.现在许多大气球中充的是氦气。
4.Study on Characteristic of Helium Compressor and Cascade Experiment;氦气压气机基本特性及叶栅性能实验
5.Study on Characteristic of Helium Turbine with the High Temperature Gas-cooled Reactor;高温气冷堆氦气轮机基本特性的研究
6.The method of on-line analysis of gas in helium system for reactors氦气系统爆炸性气体的在线测量方法
7.OPTIMAL THERMAL DESIGN OF HELIUM DEWAR WITH LIQUID NITROGEN AND BOIL-OFF HELIUM COOLED SHIELDS具有液氮和蒸发氦气冷却屏的液氦容器的最佳热设计—能量优化法
8.After liquid-helium test we find that helium permeability is an important factor for FRP liquid-helium dewar.液氦试验发现:氦气渗透是影响玻璃钢液氦杜瓦性能的重要因素,应予以重视。
9.Flow Characteristics and Redesign of Highly Loaded Helium Compressors高负荷氦气压气机的气体流动特点与改型设计
10.The planets" strong force of gravity holds huge amounts of hydrogen and helium gas.行星的巨大引力吸引了大量的氢气和氦气。
11.A carrier gas filter system is recommended to be installed on the Helium line (He).在氦气管路前面建议安装气体净化装置。
12.For liquid hydrogen system, Helium purge is required after or before nitrogen purge.对于液氢系统用氮气吹扫之后，还要用氦气吹扫。
13.Experimental Study of a Combined Elastic Ring Seal in a Helium Turbine Compressor氦气透平压气机组合弹性环密封试验研究
14.Dielectric Barrier Discharges Under Higher Frequency Voltages in Helium at Atmospheric Pressure Based on Lissajous Figures基于Lissajous图形研究大气压氦气介质阻挡放电
15.Conceptual Design for Experimental Main Loop with High Temperature Helium Gas高温氦气实验回路氢气主冷却回路的概念设计
16.They also discovered that the helium in the balloons would last for six hours.他们也发现汽球中的氦气有效时限可达六小时。
17.Application of Pilot Rope Laying by Helium Balloon in EHV Transmission Line氦气球展放导引绳在超高压输电线路中的应用
18.Helium and neon are inert gases.氦和氖为惰性气体。
相关短句/例句
helium arc welding氦气保护焊
3)helium shielded welding氦气保护焊接
4)helium shielded-arc welding氦气保护弧焊
5)helium gas service engineering氦气保障工程
1.In this paper the design of surplus payload of aerostat is presented, based on calculation analysis ofhelium gas service engineering.本文通过氦气保障工程的分析计算 ,提出了浮空器有效载荷的设计余量。
6)helium[英]["hi:li?m][美]["hil??m]氦气
1.The preliminary study of small centrifugal compressor compressinghelium in a closed cycle;小型离心式压气机压缩氦气闭式循环的初步研究
2.Design and study of a reciprocatinghelium compressor;大功率活塞式氦气压缩机的研制
3.Solid Lubrication Technology of HTG R under Helium;高温气冷堆氦气气氛下的固体润滑技术
延伸阅读
氦气He见稀有气体。
