氦氣層 的英文怎麼說
中文拼音 [hàiqìcéng]
氦氣層
英文
helium layer-
Two of liquid metal materials, i. e. liquid metal pb - 17li and li, are seriously considered for their physical and chemical properties. liquid metal pb - 17li is one of the most attractive candidates for using as breeder, neutron multiplicator and coolant in dual - cooled waste transmutation blanket of fds
分析了有關液態金屬材料的物理化學特性，經過綜合慎重考慮和研究，選取液態金屬pb - 17li作為氚增殖劑和中子倍增材料，同時也作為冷卻劑和氦氣在包層中分離冷卻。Dr marcy suspects that his new discovery, which has about 45 times the mass of the earth, is composed of a rocky core surrounded by a thick envelope of hydrogen and helium gas
馬西博士懷疑，他的這個擁有地球質量四十五倍的新發現星體有一個巖層核心構成，並被一層很厚實的氫氣與氦氣層籠罩。Mercury has a thin layer of atmosphere, which is mainly made up of sodium and a little helium
水星有一層由鈉和氦組成的極稀薄大氣，表面大氣壓力幾近於零。
分享友人