己酸
- 名hexanoic acid;caproic acid
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在窖泥中发现有一类微生物除了对己酸的生成起一定的作用外,更主要的是起调节pH值的作用,将这一类微生物称为M类微生物。
A group of microbes was found in pit mud , which had positive effects on the formation of caproic acid and could adjust pH value , and such microbes named as M group microbe .
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Mm&4菌株的酯化酶在适宜条件下(2%乙醇和0.25%的己酸作底物,pH为4.0,30℃)酶活力可达220u/g。
As for the esterifying enzyme of Mm-4 strain , at the optimum conditions ( 2 % alcohol and 0 . 25 % caproic acid , pH 4 . 0,30 ℃ ), enzyme activity reached its highest of 220 u / g.
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无溶剂合成N,N-二乙氨基乙醇己酸酯的研究
Study on Synthesis of ( N , N-diethylamino ) ethyl Caproate in Solvent Free
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用钛酸四丁酯催化合成N,N-二乙氨基乙醇己酸酯
Synthesis of ( N , N-Diethylamino ) Ethyl Caproate by Using Catalyst Ti ( OBu ) _4
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己酸菌W1的分离特性及产酸条件的研究
Isolation Characterization and the Culture Coditions of Clostridium Sp. W_1
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电喷雾飞行时间质谱法研究溶液pH值对醋氨己酸锌络合结构的影响
Effect of solution pH value on the chelation structure of zinc acexamate by electrospray ionization mass spectrometry
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用固体超强酸SO4~(2-)/TiO2催化剂合成N,N-二乙氨基乙醇己酸酯
Synthesis of ( N , N-Diethylamino ) ethyl Caproate by Using Solid Superacid Catalyst / TiO_2
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Lewis酸催化合成2-(二乙氨基)乙基己酸酯
Synthesis of 2 - ( Diethylamino ) ethyl Caproate by Using Lewis Acid
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固体超强酸SO4~(2-)/Fe2O3-CoO催化合成己酸乙酯
Synthesis of isoamyl acetate by the solid superacid SO_4 ~ ( 2 - ) / Fe_2O_3-CoO as catalyst
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氨基己酸可抑制CPB引起的纤溶系统激活,减少术后出血和输库血量。
EACA is effective in reducing postoperative blood loss and blood transfusion through inhibition of the activation of fibrinolytic system .
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(3R,5R)-3,5-二羟基-6-取代己酸不对称合成研究进展
New Developments in the Asymmetric Synthesis of ( 3R , 5R ) - 3,5 - Dihydroxyl-6-substituted Hexanoic Acid
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聚己酸内酯(PCL)壳聚糖(CS)两者都是具有良好的生物相容性、生物降解和无毒性的生物材料,并被广泛的生物医学领域。
Polycaprolactone ( PCL ) and chitosan ( CS ) both have good biocompatibility , biodegradability and non-toxic to cells , and have a wide range of biomedical applications .
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利用GC/MS/DC联用仪测定了未套袋鸭梨和套袋鸭梨果实内的挥发性物质成份,结果表明,未套袋鸭梨含有23种挥发性物质,其中以丁酸乙酯和己酸戊酯为主。
The volatile constituents and contents in bagged and non bagged Yali pear fruits were studied by GC / MS / DC . The fruits of non bagged Yali pear contained 23 constituents of volatile in which the esters were dominant .
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结论:醋氨己酸锌可提高胃粘膜中PGE2、氨基己糖含量,减轻胃粘膜损伤,促进胃溃疡愈合。
CONCLUSION : Zinc acexamate can increase the gastric mucosal levels of PGE 2 and hexosamine , prevent the injury of gastric mucosa , and promote the healing of ulcer .
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用磷酸二氢钾作催化剂,己酸与二乙氨基乙醇为原料,合成DA-6(己酸二乙氨基乙醇酯)。
Potassium dihydrogen phosphate was used as catalyst in the synthesis of hexanoic acid 2 - ( diethylamino ) ethyl ester .
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目的观察6-氨基己酸(EACA)治疗内毒素发热反应的疗效。
Objective To investigate the effect of 6-aminocaproic acid ( EACA ) on fever reaction of rabbit induced by endotoxin .
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诱变菌2113脂肪酶合成酶活的较大提高导致催化合成己酸乙酯能力明显增强,反应15h的转化率达到90%以上,所需时间只为出发菌的15.6%。
Ethyl hexanoate synthesis mediated by Mutant 2113 lipase had 90 % conversion at 15h reaction time that was 15.6 % of contrast .
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研究制备了PEG柱,将其应用于浓香型白酒检测酒中己酸乙酯和乳酸乙酯含量,实践证明,PEG柱分离效果较好,检测速度快,结果准确,且经济耐用。
The preparation of PEG column and its application in the determination of the contents of ethyl caproate and ethyl lactate in Luzhou-flavor liquors had proved its superiorities including comparatively better separation effects , rapid determination operation , accurate determination results and economic durability .
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结论醋氨己酸锌能明显提高胃及十二指肠溃疡的S2获得率,研究结果表明醋氨己酸锌在提高溃疡的愈合质量中起重要作用。
CONCLUSION : Zinc acexamate distinctly increased the stage S2 achievement rates in treatment of gastric and duodenal ulcers . This study has shown that zinc acexamate may play an important role in improving the healing quality of peptic ulcers .
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在酿酒生产试用中,加红曲霉M-6生产的麸曲发酵酒比对照酒己酸乙酯高2倍多;
Ethyl caproate content in fermenting liquor ( produced by addition of M-6 ) was over two times of that in contrast liquor .
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室内采用土培法分别测定了不同浓度胺苯磺隆和不同浓度己酸二乙氨基乙醇酯(简称DA-6)对水稻生长的影响以及不同浓度胺苯磺隆处理下DA-6对水稻根生长的影响。
The paper presented the effect of ethametsulfuron and DA-6 on the growth of rice seedlings at the different concentrations in soil using bioassay methods in the room .
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方法体外培养的雪旺细胞(SC)与牛去细胞基质(BAM)、胎牛血清和培养液按一定的比例混合注入聚乳酸聚羟基己酸共聚物(PLGA)导管中,构建成组织工程周围神经。
Methods Purified schwann cells ( SC ) cultured in vitro mixed with bovine acellular matrix ( BAM )? fetal bovine serum and media based on definite ratio were injected into polylactide-co-glycolide acid ( PLGA ) guide to construct tissue engineering nerve .
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从优质窖泥中分离出己酸菌,接入功能性营养液,加入乙酸、乳酸、丁酸和己酸,35℃培养72h,测活菌数。
CAB , were separated from high quality pit mud , injected into the functional nutritious liquor , added with acetic acid , lactic acid , butyric acid and caproic acid , and cultured for 72h at 35 ℃ .
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将不同培养时间的RhizopusChinensis-2全细胞脂肪酶用于催化己酸乙酯合成,具有高合成酶活的全细胞脂肪酶催化己酸乙酯合成反应较快。
Rhizopus chinensis - 2 whole-cell lipases of different culture time were used to catalyze synthesis of ethyl hexanoate and whole-cell lipase with high synthetic activity catalyzed esterification quickly .
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目的:通过比较奥美拉唑+醋氨己酸锌与奥美拉唑+安慰剂治疗胃及十二指肠溃疡的溃疡愈合率和S2获得率来评价醋氨己酸锌对提高溃疡愈合质量的作用。
OBJECTIVE : To evaluate the effect of zinc acexamate on the quality of ulcer healing in a trial comparing the healing rates and the stage S2 achievement rates of therapy with omeprazole plus zinc acexamate or placebo in treatment of gastric and duodenal ulcer patients .
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结果表明,在正己酸的初始浓度C0HA较小时,反应初速率V0随正己酸浓度增大而增大,但随正丁醇表观浓度增大而减小;
The result shows that the initial rate V 0 of the esterification reaction increases as hexanoic acid concentration increases or as n-butanol concentration decreases , when the initial concentration of hexanoic acid is small ;
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结果:醇酸摩尔比1.1∶1,反应时间10h,催化剂用量0.033mol/mol己酸,产品酯化率可达95%以上。
Results : The moler ratio of diethylamino alcohol to hexanoic acid was 1.1 ∶ 1 , reaction time was 10h , the amount of catalyst was 0.033mol/mol hexanoic acid . The transformation of the product could be over 95 % .
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醋氨己酸锌治疗肝硬化合并消化性溃疡
Zine acexamate in treatment of cirrhosis of liver complicated peptic ulcer
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结果:元素分析及红外光谱数据证实产物为笼状双环磷酸酯的戊酸酯及己酸酯。
Results : Element analysis and IR data certified the products .
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采用硫酸氢钠为催化剂合成了己酸戊酯。
Synthesis of amyl butyrate with sodium hydrogen sulfate as catalyst ;