乙醇醛

And cinnamic aldehyde and cinnamic acid were extracted from cinnamon by MAE using water and ethanol as solvents and were analyzed by HPLC method.

利用聚焦式微波辅助萃取系统，结合HPLC分析，对肉桂中的肉桂醛和肉桂酸进行微波萃取分离和分析，并比较了水及乙醇等溶剂作为萃取溶剂的效果。

Kamil, Smith and Williams (1952) investigated the conjugation of higher alcohols with glucuronic acid.

Kamil， Smith 和Williams (1952)研究了高乙醇和葡萄糖醛酸接合。

By using gas chromatography technique nine kinds of fragrance components(acetic aldehyde,ethyl acetate,ethanol,propyl acetate,3-hydroxy-2-butanone,acetic acid,furfural,metacetonic acid,2,3-butylene glycol)were measured quantitatively in different kinds of Shanxi overmature vinegar and the other kinds of vinegar.

应用气相色谱方法对山西老陈醋和其他种类醋的9种香气成分(乙醛、乙酸乙酯、乙醇、乙酸丙酯、3-羟基-2-丁酮、乙酸、糖醛、丙酸、2，3-丁二醇)进行了定性、定量测定，并用聚类分析、模糊综合评判、方差分析、回归分析的方法对实验结果进行了数理分析。

Ethyl alcohol, 3-methyl-4-oxo- pentanoic acid, acetic acid butyl ester, 2-methyl-butanoic acid ethyl ester, diethyl phthalate,-2,4-Decadienal were the same volatiles d from the 10 cultivars.

其中共有组6种，为乙醇、3-甲基-4-羰基戊酸、乙酸丁酯、2-甲基丁酸乙酯、邻苯二甲酸二乙酯、-2，4-癸二烯醛。

Danshensu and protocatechualdehyde, the water soluble ingredients of SM, were absorbed to blood in rats by oral, and 75% ethanol and ammonia extracts of SM, sodium danshensu and protocatechualdehyde, obviously increased OD in the experiment of amphotercin B cell model and the expression of CYP7AmRNA in BRL cell line.

丹参水溶性成分丹参素和原儿茶醛口服后均能吸收入血，丹参75％乙醇提取物和丹参氨水提取物及其部分单体，在两性霉素B细胞模型实验中均能明显增加OD值，同时亦能明显增加肝细胞CYP7AmRNA表达。

In order to understand the changes in physiology and the storability of blueberry fruits introduced to southern part of China, and to provide scientific basis for suitable packaging materials, changes of total soluble solid content, vitamin C content, acetaldehyde content, ethanol content, protopectin content and anthocyanin content, respiration rate, polygalacturonase and pectinesterase activities, weight loss and rotted rate of blueberry fruit warn investigated. Different packaging films were used, and the storage temperature was under 2℃.

为了解引种到我国南方栽培的蓝浆果鲜果低温贮藏期间的生理变化状况，并为保鲜贮藏选择适宜的包装材料提供科学依据，研究了在2℃条件下，不同薄膜包装处理对蓝浆果果实贮藏期间可溶性固形物、维生素C、乙醛、乙醇、原果胶和花色苷的含量，以及呼吸强度、多聚半乳糖醛酸酶和果胶甲酯酶活性、失重率、腐烂率变化的影响。

Methods All-trans-retinal and triethanolamine were used for synthesis of lipofuscin fluorophore A2E in vitro.

方法利用全反式视黄醛和乙醇胺体外合成脂褐质荧光基团A2E。

His paper investigated the improvement of spray characteristics and exhaust emissions of diesel engines by reformulating the fuel compounds and physico-chemical parameters.

选择了几种典型的含氧燃料—乙醇、碳酸二甲脂、甲缩醛，测量和分析了它们以不同比例与柴油互溶后燃料的输运参数变化。

The results showed that Kaidimycin was chemically neutral, macrocylic polylactones, stable and liable to dissolve into water and pyridine, slight to dissolve into methanol, ethanol and N-butanol, difficult to dissolve into ethyl acetate, acetone, benzene and chloroform. Chemical reaction of functional group of Kaidimycin showed that it had glycoside, amino acid and aldehyde, no reducing sugar, polypeptide and phenol.

凯地菌素属中等极性的、中性抗生素，极性纸层析结果与多烯类抗生素的纸层析结果相似：易溶于水、吡啶，微溶于甲醇、乙醇、正丁醇，不溶于乙酸乙酯、丙酮、苯、三氯化碳；对高温、光照和紫外处理有很好的稳定性；官能团反应试验结果发现，凯地菌素可能含有糖苷键、氨基酸伯氨基和醛基，不含有还原糖、多肽和酚基，高锰酸钾、浓硫酸反应与多烯大环内酯类抗生素的特性相似；并且依据纯品，采用生物法和分光光度法对摇床发酵液进行了效价的测定。

It is suggested that the scission is preceded by an aldol condensation, followed by a phenolic hydroxyl participation with scission of the C---C in the β-hydroxy-ketone formed.

经推论这一断键反应首先是发生羟醛缩合，继以在酚羟基参与下引发烷羰C－C键断裂的；还应指出，也是由于对位羟基的参与，这些烷基对羟苯基酮不形成它们的乙醇缩酮。

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。