丁酸

Acid--aldehyde polymer tanning agent P (acrylic acid-crotonaldehyde was copolymerizaed from acrylic acid and crotonaldehyde in water and its structure was characterized by IR,〓C-NMR and DSC.

以丙烯酸、丁烯醛为共聚单体，采用水溶液共聚法，合成了含醛、酸基团高分子鞣剂----丙烯酸-丁烯醛共聚物，并利用IR光谱、〓C-NMR及DSC对其结构进行了确认和表征。

Firstly, 3-ethylthiobutanal was prepared from crotonaldehyde reacting with ethanehiol in triethylamine with high yield. Secondly, methyl acetoacetate was converted to 6-ethylthiohept-3-en-2-one by three steps via hydrolysis, condensation with 3-ethyltio-butanal and dehydration, then 6-ethylthiohept-3-en-2-one was cycloco ndensed with dimethyl malonate by Michael addition and Claisen condensation, followed by saponification and decarboxylation to give the intermediate of 5-(2-ethylthiopropyl)-cyclohexane-1,3-dione.

首先，以巴豆醛与乙硫醇为原料，在三乙胺的催化作用下高收率制得3-乙硫基丁醛；然后从乙酰乙酸甲酯出发，通过碱水解、与3-乙硫基丁醛缩合、脱水三步反应合成6-乙硫基-3-烯-2-庚酮，接着6-乙硫基-3-烯-2-庚酮与丙二酸二甲酯通过Michael加成和Claisen缩合成环，再通过皂化和脱羧反应生成中间体5-[2-丙基]-1，3-环己二酮；再与丙酸酐反应丙酰化，最后与0-3-氯-2-丙烯基羟胺肟化，得到目标化合物烯草酮。

Two estolide are that the ester melts an agent take amylum as raw material , with smooth butylene , the ester carrying out the solid room's spends reaction under the situation of there being no menstruum,ester composing smooth amylum butylene diacid Shan, and by having optimized reaction condition , having improved reaction efficiency.

以淀粉为原料，以顺丁烯二酸酐为酯化剂，在无溶剂的情况下，进行固体间的酯化反应，合成淀粉顺丁烯二酸单酯，并通过优化反应条件，提高了反应效率。

Attempts in part I of the dissertation were to develop microemulsion systems using medium chain triglyceride, Captex 300, deionized water (H2O), and TPGS as surfactant for the oral delivery of protein drugs or poorly water soluble drugs. Pseudo-ternary phase diagrams were constructed to elucidate the phase behavior of systems composed of medium-chain triglyceride and water with TPGS as main surfactant, polysorbates (Tween 20, Tween 40, Tween 60 and Tween 80) as adjuvant surfactants, and polyethylene glycols (PEG 400 and PEG 600) and polyols (ethanediol, 1,2-propanediol, 1,3-propanediol, 1,3-butanediol, 1,4-butanediol and glycerin) as cosurfactants.

藉由拟三相图（Pseudo-ternary Phase Diagrams）的建立来了解中链型三酸甘油酯、去离子水及TPGS为主要界面活性剂配合聚醇山梨酯（如Tween 20、Tween 40、Tween 60及Tween 80）为辅助界面活性剂或聚乙二醇（如PEG 400及PEG 600）及多醇类（如乙二醇、1，2-丙二醇、1，3-丙二醇、1，3-丁二醇、1，4-丁二醇及甘油作为共界面活性剂所形成的微乳基剂之相变化。

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夫妻肺片麻婆豆腐钟水饺龙抄手国正街鸭子川北凉粉；龙抄手，担担面三大炮赖汤圆丁凉粉豆腐鲫鱼、辣子脆肠、跳水鸡、芋儿烧甲鱼锅巴肉片、辣子蒸东星斑、高汤辣汁褒仔翅、龙眼甜烧白、香辣回锅肉家常臊子蛋、酸汤牛蛙开水白菜、酱爆鸭霸王排骨、碧绿椒麻桂鱼、麻酱凤尾罐瓦汤、蓉和第一骨、吉利香菜丸、一条站着的鱼，二毛鸡杂煨锅，迷踪野鸭湘黔鸡，罗腊耳朵，扎海椒回锅肉开水白菜、酱爆鸭霸王排骨、碧绿椒麻桂鱼、麻酱凤尾特色黄辣丁、鱼头烧鸡公、邮亭鲫鱼、九尺生抠鹅肠大妈红烧肉、大妈鱼吃饱没有

A novel supramolecular complex, [Cu2]CH3OHH2O (fum=fumarate dianion, dpphen=4, 7-diphenyl-1, 10-phenanthroline), has been prepared from the reaction of bidentate ligand, fumarate with CuCl2, and were characterized by element analysis, IR, thermal analysis and X-ray diffraction technique.

利用螯合配体4，7-二苯基－1，10-邻菲罗啉与反丁烯二酸钠及铜盐反应合成了一种新型超分子配合物[Cu2]CH3OHH2O（fum=反丁烯二酸根，dpphen=4，7-二苯基－1，10-邻菲罗啉）。通过元素分析、红外光谱、热分析和X射线单晶衍射等技术对其进行了表征。

The influence factors on the yield of isobutyl salicylate were discussed.

以对甲苯磺酸为催化剂，通过水杨酸和异丁醇酯化反应合成水杨酸异丁酯，研究了各有关因素对产品酯化率的影响。

A method for synthesis of isobutyl acetate based on paratoluenesulfonic acid as catalyst was developed.

以冰醋酸、异丁醇为原料，对甲苯磺酸为催化剂合成乙酸异丁酯，通过正交实验考察了原料比、催化剂用量、带水剂用量和反应时间等因素对反应的影响。

Isobutyl acetate was synthesized from isobutyl alcohol and acetic acid with silicotungstic heteropolyacid as catalyst.

字数：6943 页数：24）摘要：以硅钨杂多酸为催化剂，以异丁醇和乙酸为原料合成了乙酸异丁酯。

Ab initio and density functional theory (B3LYP) in G98 were employed to study the following four direct aldol reactions between acetone and isobutyraldehyde or 3,3-dimethylbutyric aldehyde or benzaldehyde or 4-bromo-phenyl aldehyde catalyzed by-proline .

中文摘要：本文采用G98程序包中的从头计算方法和密度泛函方法计算研究了-脯氨酸催化丙酮与异丁醛、3，3-二甲基丁醛、苯甲醛及对溴苯甲醛的不对称直接羟醛缩合反应，共计四个反应体系。

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。