查询词典 butanoic acid

Synthesis, Crystal Structure, Fluorescence Properties and Physiological Activity of Acetoacetylindole Butanoic Acid

乙酰丙酮吲哚丁酸的合成、单晶结构、荧光性质及生理活性

The asymmetric transformation of L-Pro via the formation of salt with S-tartaric acid was carried out by butanal as catalyst and butanoic acid as solvent to obtain D-Pro · S-TA salt.

实验研究了L一Pro的消旋反应，并获得刀乙一脯氨酸，然后在消旋的基础上研究L一Pro的不对称转换，最后得到D一Pro。

Twelve kinds of volatile products in the fermentation broth were determined, in which ethanol, acetic acid, 1, 2-ethanediol, butanoic acid and glycerine were the major compounds, and they can be utilized by methanogenic organism directly or be changed into compounds that can be utilized by methanogens organism directly.

MC1分解木薯渣过程中可溶性物质总含量开始为18%，3 d后达到最高，为33%，GC-MS测定挥发性产物的总量在培养6 d后达到最高，挥发性产物共检测出12种，其中量较大的化合物为乙醇、乙酸、乙二醇、丁酸及甘油，这些产物为甲烷发酵菌可直接利用或者容易转化为甲烷菌直接利用的成分。

The GC/MS analysis indicated that the volatile compounds from the plant leaves which is easy to be damaged by Tetraychus vienneis include relative large amounts of cis-3-hexenyl ester acetic acid, cis-3-hexenyl ester butanoic acid and alpha-famesene.

结果表明，植物叶片中的挥发性物质得到了很好的分离，受山楂叶螨危害严重的植物的完好叶片中的挥发性物质均含有顺－3-己烯－1-醇乙酸酯、顺－3-己烯－1-醇丁酸酯和α-法呢烯，且含量较大。

Through the coupling of cyclen and homoserine deriva-tive, we have firstly synthesized a cyclen-functionalized ?α-amino acid,-2-amino-4[1 (1, 4, 7, 10 –tetraazacyclo-dodecane)] butanoic acid.

我们通过1，4，7，10-四氮杂十二烷与高丝氨酸衍生物反应，首先合成了一个非天然α-氨基酸：-2-氨基-4[1(1，4，7，10-四氮杂环十二烷)]丁酸。

Two kinds of haptens 6-{[(2,3-Dihydro-2,2-Dimethyl-7-benzofuranyloxy)carbonyl] -amino}hexanoicAcidand4-{[(2,3-Dihydro-2,2-Dimethyl-7-benzofuranyloxy) carbonyl]-amino}butanoic Acid has been synthesized by chemical way.

本研究以2，3-二氢-2，2-二甲基-7-苯并呋喃氯甲酸酯为基础合成了克百威的两种半抗原，6—

Twenty multiparous and ten primiparous Holstein cows were used to in- vestigate effects of supplementing dairy cow diets with Alimet (DL, 2- hydroxy-4- butanoic acid; HMB; Novus International Inc.) on DMI and milk production.

20多子和10头荷斯坦奶牛初产被用来在， vestigate补充与Alimet（消旋，2奶牛饲料的影响-羟基- 4 -丁酸； HMB；诺弗司国际公司） DMI和牛奶的生产。

Calicheamicin can be conjugated to the non-specific antibody using a 4-(4'-acetylphenoxy) butanoic acid or (3-Acetylphenyl) acetic acid linker.

可使用4-(4′-乙酰基苯氧基)丁酸或(3-乙酰基苯基)乙酸连接子使卡奇霉素与所述非特异性抗体共轭结合。

The reaction of calcium L-threonate with hydrogen bromide in acetic acid readily yields (2S, 3S)-2, 4 -dibromo-3 -hydroxy butanoic acid which was further converted into methyl (2s, 3S)-2,4-dibromo-3-hydroxybutanoate by treatment of methanol.

在化合物12上引入氨基甲酰基可用二氯磷异氰酸酯、氯乙酰异氰酸酯或氯磺酰异氰酸酯，随之引入的二氯磷酰基、氯乙酰基或氯磺酰基可分别用碳酸氢钠、N-甲基二硫代氨基甲钠或亚硫酸钠脱去。

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。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。