查询词典 alcohol acid

The results were using fermentation of malic acid——alcohol, adding 10% schizogony yeast No.1 before wine yeast, could reduce 3.61g/l and 49.1% at the average acidity and degrading acid rate of Anli pear juice.

安梨酒的降酸试验中，在工艺调配降酸、化学法降酸和生物法降酸三种方法比较的基础上，认为生物降酸法比较适合。

Comparatively sundried flowers are more suitable to be extracted as an industrial material although the concrete yield of fresh flowers is a little more. At the same time the experiment process fully proves the selectivity of SFE-CO2. Low temperature and low pressure are suitable to extract concrete from natural flavor and fragrance;(2) The materials prepared to extract rutin are the flowers that are gotten rid of concrete by SFE-CO2. The extraction methods include the SFE-CO2 modified by alcohol, the method of hot alkali-precipitate with acid, and alkaly dissolving and acid subsiding combined with microwave or ultrasonic.

66%；产品运用GC-MS做了鉴定；虽然鲜花浸膏产率较高，但干槐花的物料状态更适合工业生产；同时实验过程充分体现了SFE-CO2的选择性，低温低压条件适合香料的SFE-CO2；(2)以超临界CO2(Supercritical CO2，简称SC-CO2)萃取过浸膏的干槐花为原料，运用夹带剂修饰的SFE-CO2、超声或微波或直接加热的碱溶酸沉法提取中药--芸香甙，相比之下，夹带剂修饰的SFE-CO2和超声辅助的碱溶酸沉法提取效果较好，芸香甙提取率分别为2。

Huang Shui contains rich alcohol, aldehyde, acid and ester not only kind material, still contain rich organic acid, amylaceous, reduced sugar, yeast to wait for nutrient material from dissolve content, contain a large number of classics the brew of long-term domestication is microbial reach unripe sweet before remaining part of wine of form substance; also is contained a few available material.

黄水不仅含有丰富的醇、醛、酸和酯类物质，还含有丰富的有机酸、淀粉、还原糖、酵母自溶物等营养物质，含有大量经长期驯化的酿造微生物及生香的前体物质；酒尾也含有一些可利用的物质。

Aqua, Oryza sativa, Stearic Acid, Glycol Stearate, Propylene Glycol, Sesamum Indicum Oil, Sodium Cocoamphoacetate, Prunus Amygdalus Dulcis Oil, Glyceryl Stearate SE, Laneth-15, Benzyl Alcohol, Bertholletia Excelsa Nut Oil, Panthenol, Parfum, Tocopheryl Acetate, Sodium Chloride, Phenoxyethanol, Creatine, Sodium Hydroxide, Methylparaben, Retinyl Palmitate, Butylparaben, Ethylparaben, Hydrolyzed Lepidium Meyenii Root, Isobutylparaben, Propylparaben, 1,2-Hexanediol, Capryloyl Glycine, Caprylyl Glycol, Citric Acid.

成分秘鲁人参精华及肌氨酸给予肌肤活力，紧致光滑肌肤大米精华温和的去除表面死皮，让肌肤看起来健康有活力有机芝麻油是极好的保湿成分，能很好的软化肌肤，特别是敏感皮肤。天然类脂作用于脂肪酸，修复并帮助储存肌肤能量，为肌肤铸造天然的防护层，防止水分及营养流失。

Objective: To use p-toluene sulfonic acid as the catalyst for the esterification reaction of cinnamic acid with isoamyl alcohol in liquid phase.

目的：以对甲苯磺酸为催化剂对肉桂酸与异戊醇的液相酯化反应进行研究。

In present study, a liquid-liquid extraction method was employed to extract the volatile components in mulberry fruit sparkling wine. The analysis with gas chromatography-mass spectrometry detected 69 peaks, among which 63 volatile components were identified. The first 9 volatile components with high relative content were benzyl alcohol, 2-methyl-1-butanol, mono-(2-ethylhexyl)-1, 2-benzene dicarboxylic acid, 3-methyl-1-butanol, toluene, acrylic acid butyl ester, 1H-indole-3-ethanol, isodecyl octyl phthalate and decyl octyl phthalate.

采用液－液萃取法提取桑椹汽酒中的挥发性成分，经气相色谱－质谱联机分析，共检测出69个峰，鉴定出63种挥发性化合物，其相对含量排在前9位的挥发性化合物分别是苯乙醇、2-甲基－1-丁醇、1，2-苯二酸单（2-乙基）己酯、3-甲基－1-丁醇、甲苯、丙烯酸丁酯、1H-吲哚－3-乙醇、邻苯二甲酸异癸基辛基二酯、邻苯二甲酸癸基辛基二酯。

Three aspects were included here:The derivatives of dihydrol,2,4,5-tetrazine-3,5-dicarboxylic acid were synthesized via three different routes:(1) four new compounds were synthesized via the reaction bet ween dihydrol,2,4,5-tetrazine-3,5-dicarboxylic acid, thionyl chloride and corresponding alcohol ;(2) first ,dimethyl dihydro-1,2,4,5-tetrazine-3,5-dicarboxylate wer e synthesized, then ,another four new compounds were obtained t hrough the alcoholysis under the catalyst ;(3) three acylamines were got through the ammonolysis betw een dimethyl dihydro-1,2,4,5-tetrazine-3,5-dicarboxylate and amines.

本论文分别通过三条不同的路线合成了1，4-二氢-3，6-二甲酸-s-四嗪的衍生物：(1)通过1，4-二氢-3，6-二甲酸-s-四嗪与氯化亚砜和相应的醇反应，制备了四个新化合物；(2)合成1，4-二氢-3，6-二甲酸甲酯-s-四嗪，在催化剂的作用下，与高沸点的醇进行酯交换反应，合成了四个新化合物；(3)合成1，4-二氢-3，6-二甲酸甲酯-s-四嗪后，与胺进行氨解反应，合成三个新的1，4-二氢-3，6-二甲酰胺-s-四嗪化合物。

In this work , 1,8-octodiol, the starting material, reacted with 40% hydrobromic acid to produce 8-bromooctan-1-ol, with the catalytic action of PPTs, its hydroxyl group was protected by 2,3-dihydropyran. Then it coupled with 1-heptaalkyne, by means of P-2 nickel as catalyst, stereoselectivity catalysis hydrogenated, with the catalytic action of acid to take off extremital 2, 3-dihydropyran which protected hydroxy group, then used PCC to oxidize alcohol into corresponding aldehyde.

以1，8-辛二醇为原料，与40%氢溴酸进行单溴代反应，得到8-溴-1-辛醇，在对甲苯磺酸吡啶盐的催化下与2，3-二氢吡喃反应，保护分子中的羟基，再与1-庚炔进行偶联，以P-2镍为催化剂立体选择性催化加氢，酸性条件下脱末端的2，3-二氢吡喃对羟基的保护，使用氯铬酸吡啶盐将醇氧化成醛。

Half-micro-quantum experiment on synthesis of furfuryl alcohol and furoic acid ;2. The silver oxide catalytic oxidation of furfurol in manufacturing furoic acid was improved.

2呋喃甲酸是糠醛在人体中的代谢产物，可做为防腐剂、熏蒸剂等，本文报道[Nd(C4H3OCOO)2·NO3·C10H8N2]2配合物的合成和单晶X射线衍射分析结果。

Firstly, the reactions of glutaric acid, sebacic acid and propargyl alcohol afforded two dipropargylesters:(CH≡CCH_2OCO)_2(CH_2)_3 (compound 1) and (CH≡CCH_2OCO)_2 (CH_2)_8 (compound 2),respectively.

首先，本文分别选用戊二酸，癸二酸与丙炔醇反应得到了两个新的有机二酸二丙炔醇酯：戊二酸二丙炔醇酯(CH≡CCH_2OCO)_2(CH_2)_3(化合物1)和癸二酸二丙炔醇酯(CH≡CCH_2OCO)_2(CH_2)_8(化合物2)。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。