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- enanthal, enanthic aldehyde [化] 庚醛
- enanthic aldehyde 庚醛
- enanth aldehyde 庚醛
- This reaction involves disproportionation of the aldehyde. 这个反应就是醛的歧化作用。
- Subject:To determine aldehyde chemical compound in alcohol quickly. 目的:快速检测酒中醛类化合物.;方法:毛细管气相色谱法。
- This reaction involves disproportionation of the aldehyde . 这个反应就是醛的歧化作用。
- The aldehyde solution was then cooled to 0℃ by an external ice bath. 由外面的冰浴将这种醛的溶液冷却到0℃。
- The ending -ose signifies a sugar; ald- signifies an aldehyde group. 末尾有一ose表示糖;ald-表示醛类。
- Any of a class of monosaccharide sugars containing an aldehyde group. 醛糖,醛式糖含有醛类的单糖中任意一种
- Aim\ Enanthal diethyl acetal is prepared with heptaldehyde and triethyl orthoformate as raw materials. 目的研究以庚醛和原甲酸三乙酯为原料制备庚醛二乙缩醛的工艺条件。
- Results\ The best technology was concluded to yield over 95% of enanthal diethyl acetal. 目的研究以庚醛和原甲酸三乙酯为原料制备庚醛二乙缩醛的工艺条件。
- The enanthal diethyl acetal is synthesized catalyzed by sodium bisulfate ,with heptaldehyde and ethanol as raw materials. 研究了以硫酸氢钠为催化剂,庚醛和乙醇为原料来制备庚醛二乙缩醛。
- The categorical names are often combined, with a six-carbon-atom aldehyde sugar being termed an aldohexose. 它们的命名经常被结合起来,一个六个碳原子的醛糖被称为已醛糖。
- The bitterness substances in Luzhou-flavor liquor mainly include tannin, peptide, amino acid, fusel alcohol, aldehyde, and inorganic salt. 浓香型酒中的苦味物质主要有单宁类、多肽、氨基酸、杂醇、醛类和无机盐。
- The anti-cavitation ability of traditional chemical agents such as sodium nitrite and sodium molybdenum was less than that of carboxylic salts such as sodium sebacic and enanthic. 随着pH值由小到大,即水溶液由酸性到碱性,穴蚀失重逐渐减少,当pH值为13时,穴蚀的失重很少;
- Glyceraldehydes (CHOCH (OH)-CH2OH) A simple monosaccharide bearing an aldehyde group. 甘油醛:分子式为[CHOCH(OH)-CH2OH],它是具醛基的一种简单的单糖。
- The molar absorbance at 350 nm increases if the aldehyde contains a double bond. 如果醛含一个双键,则摩尔光吸收在350nm处增加。
- A colorless, mobile, oily aldehyde, CCl3CHO, a penetrating lung irritant, used to manufacture DDT and chloral hydrate. 氯醛一种无色、流性、油质的醛,CCl3CHO,对肺部有刺激性,用于制造DDT和水合三氯乙醛
- A colorless, flammable, poisonous liquid aldehyde, CH2CHCHO, having an acrid odor and vapors irritating to the eyes. 丙烯醛一种无色、易燃、有毒的液体乙醛,CH2CHCHO,含有刺激眼睛的辛辣气体
- An aldehyde,C8H9NO3,one of several active forms of pyridoxine,important in amino acid synthesis. 吡哆醛醛C8H9NO3,吡哆醇的几种活跃的形式中的一种,在氨基酸的合成过程中起重要作用