butyric acid

英美

丁酸,酪酸

but also 并且
but for 要不是，倘没有
but now 刚刚
but so c:因此
but that 不过（接在否定句之后）

Noun:

an unpleasant smelling fatty acid found especially in butter

1. The conversion of butyric acid was over 80%.: 在此条件下正丁酸的转化率在80%以上。

2. Butyric Acid Glycerides, Glycerol, Lactic Acid and Silicon Dioxide.: 丁酸甘油酯，甘油，乳酸和二氧化硅。

3. It was found that the fermentation type was a butyric acid type fermentation.: 并且确定发酵类型以“丁酸型”为主。

4. Lactic acid, acetic acid and butyric acid coexisted in sour brewing products.: 酸味酿造产品中乳酸、醋酸、丁酸共存，但比例不同形成的酸味特征也不同。

5. Many times, the active ingredient of such preparations is GABA, or gamma amino butyric acid.: 多次的此类的准备工作的有效成分是GABA或伽玛氨基酸丁。

6. After acetic acid is consumed, butyric acid gradually transformed from being used and consumed.: 丁酸在乙酸消耗后也逐渐转化被利用而消耗。

7. The mechanism of butyric acid is multifaceted and its involvement in the regulation of gene expression.: 丁酸的作用机制是多方面的，其中许多机制与其参与基因表达的调控作用有关。

8. Isoamyl butyrate was synthesized from butyric acid and isoamyl catalyzed by composite solid acid as the catalyst.: 用丁酸和异戊醇为原料，复合固体酸为催化剂合成了丁酸异戊酯。

9. Benzyl butyrate was synthesized from benzyl alcohol and butyric acid by esterification using ceric sulfate as catalyst.: 以硫酸高铈为催化剂，丁酸和苄醇为原料合成丁酸苄酯。

10. Objective To explore the eradicating effect of butyric acid bacillary drug in childrens helicobacter pylori (HP) infection.: 目的探讨酪酸菌制剂对儿童幽门螺杆菌(HP)根除的效果。

11. Copper methanesulfonate was synthesized and used as a catalyst in the esterification of n-butyric acid with isoamyl alcohol.: 合成了甲烷磺酸铜，研究了其催化丁酸与异戊醇的酯化反应。

12. The vapor-liquid equilibrium data for acetic-butyric acid calculated by the equation derived check with the experimental result.: 于是推导了计算分子缔合时的汽-液平衡关系式，推算的乙酸-丁酸二元系统的汽-液平衡数据和实验结果相符合。

13. Female ginkgoes produce the troublesome seeds, which are covered in a fleshy coating that contains butyric acid, also found in rancid butter.: 雌性的银杏树会结果实，造成困扰；果实外壳厚实，含有丁酸，这种成分也会出现在酸腐的牛油中。

14. Results showed 2-methyl butyric acid was the characteristic product of C. difficile and was wrong identified as isovaleric acid by others.: 结果表明2-甲基丁酸是艰难梭菌的特征性产物，以前曾被其他作者错误地鉴定为异戊酸。

15. It is found that SRB preferred to hydrogen, ethanol and lactic acid as substrate, but not the acetic acid, propionate acid and butyric acid.: SRB容易利用的底物为氢气、乙醇和乳酸，不易利用乙酸、丙酸和丁酸。

16. After the problems in butyric acid production by microbial fermentation are analyzed, some ideas about its further development are presented.: 分析了发酵法生产丁酸的存在问题，并对微生物发酵法生产丁酸的研究方向进行展望。

17. The analysis results of gas chromatography showed that the isolates could metabolize isobutyl acetate to produce iso-butanol and butyric acid.: 气相色谱的分析结果表明，该菌可降解醋酸异丁酯生成异丁醇和异丁酸。

18. Yellow water, as the byproduct in liquor production, contains rich lactobacilli, butyric acid bacteria, caproic acid bacteria and microzyme etc.: 黄水是白酒酿造过程中的副产物，其含有丰富的乳酸菌、丁酸菌、己酸菌、酵母菌等微生物资源。

19. In addition, some organic acids with the bad breath, such as butyric acid and propionic acid, and indole, methyl indole compounds and cadaverine.: 此外，一些有机酸也与口臭有关，如丁酸和丙酸，以及吲哚、甲基吲哚和尸胺等化合物。

20. Acid kind basically is lactic acid, acetic acid and butyric acid and caproic acid etc of organic acids, influence of liquor taste and after taste.: 酸类主要是乳酸、乙酸、丁酸和己酸等有机酸类，影响白酒的口感和后味。

21. The performance of the catalysts for hydrodeoxygenation of model organic compounds, butyric acid and butanol, was investigated in a continuous fixed bed reactor.: 以有机含氧化合物丁酸和丁醇为合成油品的模型化合物，在连续流动固定床反应器中考察了催化剂的加氢脱氧性能。

22. Screening for 2 - bromo-butyric acid as the starting material, after ammonolysis, esterification, ester amine solution, split, five-step cyclization reaction Levetiracetam.: 筛选以2-溴代丁酸为起始原料，经氨解，酯化，酯胺解，拆分，环合五步反应制得左乙拉西坦。

23. In the methanogenic process, accompanied by the accumulation of propionic acid and butyric acid. (3) Strain P4-1 could degrade p-toluene sulfonate in the present of yeast.: 研究中分离的菌株P4-1，能够降解对甲苯磺酸盐，并且在有酵母粉的情况下能明显提高其降解能力，在废水处理中有重要意义。

24. Screening for 2 - bromo- butyric acid as the starting material, after ammonolysis, esterification, ester amine solution, split, five-step cyclization reaction Levetiracetam.: 筛选以2-溴代丁酸为起始原料，经氨解，酯化，酯胺解，拆分，环合五步反应制得左乙拉西坦。

25. Glycidyl butyrate was synthesized from racemic epichlorohydrin and butyric acid by chemical means. The purity of the refined product was over 96% and the yield was about 47%.: 利用化学方法，由外消旋环氧氯丙烷出发，合成丁酸环氧丙酯，精制后可获得纯度96%以上的丁酸环氧丙酯，收率为47%。

26. The effects of microwave irradiation power, reaction time, molar ratio of isoamyl alcohol ton-butyric acid and the use level of catalyst on esterification reaction were investigated.: 探讨微波辐射功率、辐射时间、醇酸摩尔比以及催化剂用量等因素对酯化反应的影响。

27. Because of butyric acid fermentation inhibited by its end products, microbial fermentation is both low productive and expensive nowadays and difficult to compete with chemical synthesis.: 丁酸发酵是一种终产物抑制发酵，因此微生物发酵法生产丁酸收率低而经济效益差，目前尚难替代化学合成法。

28. Because of butyric acid fermentation inhibited by its end products, microbial fermentation is both low productive and expensive nowadays and difficult to compete with chemical synthesis.: 丁酸发酵是一种终产物抑制发酵，因此微生物发酵法生产丁酸收率低而经济效益差，目前尚难替代化学合成法。

Any achievement on these aspects in the future can contribute to put fermentation of butyric acid into industry.
今后这些方面更多的突破，都将使微生物催化生产丁酸的产业化成为可能。
The catalytic behaviour of oxidative dehydrogenation of isobutyl acid to methylacrylic acid on the V-substituted molybdenum heteropoly compounds was studied.
研究了钒取代钼杂多化合物对异丁酸氧化脱氢生成甲基丙烯酸的催化行为。

butyric acid的相关资料：

【近义词】

butanoic acid 丁酸

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