active hydrogen atom

基本解释

The number of active hydrogen atoms attached to nitrogen atom of different classes of amine determine their effectiveness in extraction of metals by solvation.
根據與氮相連結的活性氫原子的多寡與有無，討論了伯、仲、叔胺類溶劑化能力的強弱。
Hydrogen donor can provide active hydrogen atom to postpone or control the forming of the second liquid phase and effectively restrain the coking when catalyst and hydrogen were absent.
供氫劑在無催化劑和氫氣存在條件下，可提供活性氫原子推遲或阻止第二液相的形成，有傚抑制生焦；
BCATI, abbreviation for 4-Butoxy Carbonyl Amino Toluene 2-Tsocyanate, was reacted with the active hydrogen atom in hydroxy of epoxy resin E-20 and then the modified epoxy resin was obtained.
採用自制4-丁氧甲醯氨基甲苯2-異氰酸酯（簡稱BCATI）與E-20環氧樹脂中羥基上的活潑氫反應，得到本改性環氧樹脂；