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- TEMPERATURE CORRECTION TO LEAKAGE RATE OF HELIUM PERMEATION LEAK 渗氦型真空漏孔漏率的温度修正
- helium permeation 氦渗透
- helium permeation leak 渗氦型真空漏孔
- Helium and neon are inert gases. 氦和氖为惰性气体。
- RESEARCHES ON TEMPERATURE EFFECTS ON LEAKAGE RATE OF HELIUM PERMEATING LEAK 温度对薄膜渗氦型漏孔漏率的影响研究
- The antimatter equivalent of helium. 反氦与氦等价的反物质
- Helium was discovered on the sun. 氦是在太阳上发现的。
- Most big balloons are now filled with helium. 现在许多大气球中充的是氦气。
- A fountain of helium spurt out of the tube. 有一股氦的喷泉从小管中喷出。
- Helium is a gas used in balloons. 氦是一种用于气球的气体。
- Atoms of hydrogen are fused to make helium. 氢原子可熔合成氦。
- The element of helium was first found in the sun. 氦元素最初是在太阳里发现的。
- You can be a helium hea without even trying. 你真是个大傻瓜,甚至连试都不试一下。
- Hydrogen provided more lift than helium. 氢气的上升性能优于氦气。
- It gets the hydrogen and helium right. 根据结果表示,氢元素和氦元素都比较正常。
- Helium is a monatomic chemically inert gas. 它是单原子惰性气体。
- The influence of pH on the permeation of DHE was very complex. pH对DHE渗透的影响很复杂,在pH3和9透皮流率明显快于pH5和7。
- Remember, helium has no warning properties! 记住,氦没有警告性特征。
- Helium and argon are monatomic gases. 氦和氩都是单原子气体。
- Metal hose, on the other hand, does not allow permeation. 而金属软管是不容许渗透。