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- phthalic aldehyde 酞醛
- 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
- 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。
- Exothermic reaction can be reduced by adding hexahydrophthalic anhydride to the phthalic anhydride. 用六氢化邻苯二酸酐加入到邻苯二酸酐中,可使其放热反应减慢。
- Suitable anhydrides for use in this process include phthalic, maleic, and succinic. 适用于本法的酸酐有苯二甲酸，马来酸及琥珀酸的酸酐。
- Raw materials of synthetic fibre: phthalic acid, acrylonitrile, caprolactam, nylon 66 salt, etc. 合成纤维原料:精对苯二甲酸、丙烯腈、己内酰胺、尼龙66盐等。
- 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。
- Process for synthesizing dimethyl phthalate(DMP) for phthalic anhydride and methanol has developed. 研究以苯酐、甲醇为原料合成邻苯二甲酸二甲酯的方法。
- Some phthalic esters are precedent-controlled harmful pollutants to the Environmental Protection Agency(EPA). 其中一些属于美国国家环保局(EPA)优先控制的环境激素类污染物.
- 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。
- EBE monitored control system is an assistant to operator of 2000 TPY phthalic anhydride plant. EBE监视系统是 2 0 0 0t/a苯酐装置操作人员的有力助手
- 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。
- The reaction adopted strong-acid cation exchange resin catalysed phthalic anhydride and butyl alcohol. 采用强酸性阳离子交换树脂催化邻苯二甲酸酐与正丁醇的酯化反应。
- 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
- Mazindol was synthesized by four steps from chlorobenzene and phthalic anhydride in an overall yield of 23. 以氯苯和邻苯二甲酸酐为起始原料，经四步工序合成马吲哚，总收率为23．4%25。
