醛的例句（醛在句子中的用法）

• This article introduced a method for preparing α - chloro - isobutylaldehyde , in order to explore a practical chloration of oxo - compound. 本文介绍了制备氯代异丁醛的方法, 其目的在于探索羰基化合物的一种实用的氯代方法.
• Condensation of phenol and chloral over HY zeolite catalysts was studied in detail. 以三氯乙醛为亲电试剂,在HY沸石催化剂上实现了苯酚和三氯乙醛的二次缩合反应.
• Chloral is a colorless, volatile liquid with a very penetrating odor and boiling at 97.7℃. 三氯乙醛是无色挥发性的液体,带有刺激性很强的气味,在97.7℃沸腾.
• Chloral hydrate is a rapidly effective hypnotic. 水合氯醛为一种作用迅速的催眠药.
• Metal salts and Carboxy, keto, aldehyde, acetoacetoxy, complexes phosphonic acid, imine, amino and thio. 金属盐类和羧基, 酮, 醛, 乙酰乙酸, 配合膦酸, 亚胺, 氨基酸和硫代.
• Silver - coated carbonyl iron powder was prepared by using electroless plating method. 用化学镀法,甲醛为还原剂,制备镀银羰基铁粉.
• Cankered material can produce effluvial carcinogen aldehyde . 2. 腐烂的物质可以产生恶臭的致癌物质乙醛.
• Mucosal immune response of the mice to formalin - treated Campylobacter jejuni, CJ - S 131 , was effectively induced by oral immunization. 甲醛化空弯菌CJ -S131 菌苗经口免疫小鼠, 有效地诱导了肠道粘膜的特异性免疫应答.
• Butyraldehyde glycol acetal was synthesized from butyraldehyde and glycol by using iodine as catalyst. 以单质碘为催化剂,通过丁醛和乙二醇反应合成了丁醛乙二醇缩醛.
• Aim To synthesize gastrodin via biotransformation of microorganism using p - hydroxybenzaldehyde as substrate. 目的以对羟基苯甲醛为底物,通过微生物的转化作用生物合成天麻素.
• Natural benzaldehyde is prepared by hydrolysis cassia leaf oil. 从桂叶油出发,通过碱性水解制备天然苯甲醛.
• Based on the reactions , this paper reports research for synthesizing benzaldehyde. 简要介绍以此类方法对合成苯甲醛的研究.
• The three components resins are boron - modified CNSL resin, melamine - modified phenolic resin and aralkyl - modified phenolic resin. 三组份酚醛树脂为硼改性腰果壳油液体树脂 、 三聚氰胺改性酚醛液体树脂和芳烷基 改性酚醛 固体树脂.
• In the presence of acetic acid, p - anisidine reacts with aldehydes producing a yellowish color. 在乙酸存在下, p - 茴香胺与醛类反应产生黄色.
• Anisic acid is separated from the residue of producing anisic aldehyde and synthetized methyl anisate. 从茴香油生产茴香醛的废渣、废液中提取副产品茴香酸,合成茴香酸甲酯.
• Three novel Schiff bases were synthesized using the reaction of 4 - aminoatipyrine with 3 - formylchromone, cinnamaldehyde and anisaldehyde. 用 4- 氨基安替比林与 3- 甲酰基色酮 、 肉桂醛、茴香醛反应分别合成了3种新的席夫碱化合物.
• N - amyl aldehyde is a main raw material in the synthesis of methyl dihydrojasmonate fragrance. 正戊醛是合成香料双氢茉莉酮酸甲酯的重要原料.
• But the renin - angiotensin - aldosterone system had a very active, mainly hyperactivating, response. 肾素 - 血管紧张素 - 醛固酮系统反应活跃, 一般以偏高居多.
• In the renin - angiotensin - aldosterone system, the juxtaglomerular apparatus helps regulate volume and pressure. 在肾素 - 血管紧张素 - 醛固酮系统中, 肾小球旁体帮助调节血容量和压力.
• The principal adrenocortical products are aldosterone, cortisol and dehydroepiandrosterone sulphate. 肾上腺皮质的主要产物为醛固酮 、 皮质醇和脱氢异雄酮硫酸盐.