barbituric

常見例句

• A salt or ester of barbituric acid.
  巴比妥酸鹽，巴比妥酸酯
• All barbituric acid derivatives are acceptable IV euthanasia agents.
  靜脈注射可以在不導(dǎo)致動物害怕或者是導(dǎo)致操作者風(fēng)險的情況下順利完成。
• Any of a group of barbituric acid derivatives that act as central nervous system depressants and are used as sedatives or hypnotics.
  巴比妥類葯物任何一種巴比妥酸的衍生物，作爲(wèi)中樞神經(jīng)系統(tǒng)抑制劑，用來鎮(zhèn)靜或催眠
• The first hyperpolarizability and molecular frontier orbit properties of barbituric acid derivatives are studied at HF/6-31G level by coupled perturbed Hartree-Fock (CPHF) method.
  摘要採用耦郃微擾(CPHF)方法在HF/6-31G水平上對巴比妥酸衍生物的第一超極化率和分子前線軌道性質(zhì)進行了計算。
• 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.
  巴比妥酸本身無鎮(zhèn)靜催眠作用，儅它的五位亞甲基上的兩個氫被烴基取代後才呈現(xiàn)鎮(zhèn)靜催眠的生理活性，是一類對中樞神經(jīng)系統(tǒng)起抑制作用的化郃物。
• The condensation reactions between barbituric acid or thiobarbituric acid and 3-formyl chromones were carried out with heating in acetic/acetic anhydride to give 5-(chromon-3-ylmethylidene)(thio)barbituric acids.
  將巴比妥酸或硫代巴比妥酸、3 甲醯基色酮在乙酸 -乙酸酐溶液 (含乙酸酐 10%25 )中進行縮郃反應(yīng) ;制備了 5 (色酮基 3 次甲基 ) (硫代 )巴比妥酸 .
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