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- Keywords Leontopodium;Caffeic acid;Protocaechuic aldehyde;HPLC;Quantitative analysis; 火绒草;咖啡酸;原儿茶醛;HPLC法;含量测定;
- Protocaechuic aldehyde 原儿茶醛
- 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。
- 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。
- 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
- To control the quality of TPI, RP-HPLC was used to determine the content of propanoic acid and proto-catechuic aldehyde in it. 摘要利用反相高效液相层析法测定丹参素和原儿茶醛的含量以控制通脉粉针剂质量。
- It is classified as an aldose, a designation for sugars containing an aldehyde group. 它被划分为醛糖,含醛基的糖。
- 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。
- Objective ]: To study the permeability of cinnamic aldehyde and hydroxycitronellal through skins of mice in vitro. 目的]研究桂醛、羟基香茅醛对小鼠离体皮肤透皮吸收率。
- The activity of aldehyde dehydrogenase (ALD6) of saccharomyces cerevisiaes controls the content of acetic acid in beer. 酿酒酵母中乙醛脱氢酶(ALD6)活性的高低控制着啤酒中乙酸含量的多少。
