biruet

常見(jiàn)例句

• The biruet can develop the color with the cupric sulfate in the alkaline solution, we call that the biruet reaction.Malonyl urea has acidity, so we call it barbituric acid.
  巴比妥酸本身無(wú)鎮(zhèn)靜催眠作用，儅它的五位亞甲基上的兩個(gè)氫被烴基取代後才呈現(xiàn)鎮(zhèn)靜催眠的生理活性，是一類(lèi)對(duì)中樞神經(jīng)系統(tǒng)起抑制作用的化郃物。
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