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.
巴比妥類藥物任何一種巴比妥酸的衍生物,作為中樞神經(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.
摘要采用耦合微擾(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(jìn)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,當(dāng)它的五位亞甲基上的兩個氫被烴基取代后才呈現(xiàn)鎮(zhèn)靜催眠的生理活性,是一類對中樞神經(jīng)系統(tǒng)起抑制作用的化合物。 - 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?;谝宜?-乙酸酐溶液 (含乙酸酐 10%25 )中進(jìn)行縮合反應(yīng) ;制備了 5 (色酮基 3 次甲基 ) (硫代 )巴比妥酸 . 返回 barbituric