alkaline earth metal 碱土族金属 ; 碱洗
Alkali and alkaline metal 碱和碱土金属
atomic spectrum of alkaline metal 碱金属原子光谱
soil alkaline metal 土壤碱性金属
alkaline metal salt 碱金属盐类
alkaline-metal atom 碱金属原子
alkaline metal atom 碱金属原子
alkaline metal salts 碱金属盐
Available for 2 ~ 6 acid and alkaline welding electrode, gravity electrode and metal fill.
适用直径2 ~ 6的酸性、碱性焊条和重力焊条的焊接和金属填补。
The complexation properties of them with alkali and alkaline earth metal ions have been investigated by means of visible spectra in solutions.
借助于可见光谱的测定，考查了它们在溶液中与碱金属和碱土金属盐等的配位性能。
The oxidative dehydrogenation of ethane to ethylene was studied over alkaline earth oxides promoted with alkaline metal chlorides.
报道了乙烷在以碱金属氯化物作为助剂的碱土金属氧化物催化剂上的氧化脱氢。
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