propionic acid

1. The esterification reaction of propionic acid with n-pentanol was studied by using novel aluminophosphate and silicoaluminophosphate molecular sieves as catalysts.
   用新型磷酸铝分子筛和硅磷酸铝分子筛作催化剂，对丙酸和正戊醇液&固相酯化反应进行了研究。
2. Double-function of touch-killing and suffocating, can operate quickly and act for a long time, is more stable than pure propionic acid.
   具有触杀和熏蒸双重特性，作用快速且持久，比单纯的丙酸稳定，通过酸盐的合理配比，综合兼顾了饲料的前期与中后期保存需求。
3. Starting from toluene diisocyanate ( TDI), polypropylene glycol ( PPG) and dimethylol propionic acid ( DMPA), the anionic water-borne polyurethane emulsion was synthesized.
   以甲苯二异氰酸酯（TDI）、聚丙二醇（PPG）、二羟甲基丙酸（DMPA）为原料，制备了阴离子型水性聚氨酯乳液。
4. Study on synthesizing propionic acid from carbonylation of ethanol on Ni-Pd bimetallic catalyst
   Ni-Pd/C双金属催化剂上乙醇羰基化合成丙酸的研究
5. Effect of Adding Propionic acid and Lactic Acid Bacteria on Fermentation Quality of Italian Ryegrass Silages
   丙酸、乳酸菌添加对多花黑麦草青贮发酵品质的影响
6. Production of Propionic Acid by Immobilized Cell Fermentation of Cane Molasses in an Inner Plant Fibrous-Bed Bioreactor
   在内置式植物纤维床反应器中用糖蜜固定化发酵制丙酸
7. Fluorescence Spectroscopic Study on the Interaction of the Enantiomers of Dichlorprop with BSA 2-( 2,4-dichlorophenoxy) propionic acid
   荧光光谱法研究2,4-滴丙酸及其手性对映体与牛血清白蛋白的相互作用
8. The synthetic conditions of zinc propionate with propionic acid and basic zinc carbonate as raw materials were studied.
   以丙酸和碱式碳酸锌为原料，制备了食品及饲料添加剂丙酸锌。
9. The effect of propionic acid addition on the dynamic fermentation changes of Italian ryegrass ( Lolium multiflorum) silage
   丙酸对多花黑麦草青贮发酵动态变化的影响
10. In the experiment, ethyl propionate was synthesized by reaction of propionic acid with absolute ethyl alcohol in the presence ofp-Toluene sulfonic acid.
    以丙酸和无水乙醇为原料，对甲苯磺酸作催化剂合成了丙酸乙酯。
11. Toxicity of Two Mould Inhibitor Composed with Propionic Acid on Rhizopus in Silage;
    丙酸在不同浓度下组合对高寒地区青贮饲草根霉菌的毒力。
12. Asymmetrical synthesis of R-(+)-2-( 4-Hydroxyphenoxy) propionic acid
    R-（+）-2-（4-羟基苯氧基）丙酸的不对称合成
13. Simulative Action on Propionic Acid Transformation by Sulfate Reducing Bacteria in Anaerobic Digestion
    硫酸盐还原菌促进厌氧消化中丙酸转化的研究
14. OBJECTIVE To investigate the major metabolites of eugenol ibuprofen ester propionic acid.
    目的研究鉴定丁香酚布洛芬酯在大鼠体内的代谢行为。
15. Water-borne polyurethane was prepared using isocyanate TDI, polyether ( N210), 1,4-Butanedio ( BDO), dimethylol propionic acid ( DMPA) and epoxy resin as main raw materials.
    用甲苯二异氰酸酯（TDI）、聚醚多元醇（N210）、1，4-丁二醇（BDO）、二羟甲基丙酸（DMPA）和环氧树脂等为主要原料制备了水性聚氨酯。
16. Research Progress on Propionic Acid Accumulation and Control in Anaerobic Digestion System
    厌氧消化系统中丙酸积累及控制研究进展
17. The biogas ( hydrogen) production capacity of ethanol type and propionic acid type fermentative microflora were compared, and the movement of hydrogen production rate according to the succession of microflora from propionic acid type to ethanol type was investigated.
    重点对乙醇型发酵菌群和丙酸型发酵菌群的产气及产氢能力进行了对比研究，并对发酵菌群由丙酸型演替为乙醇型过程中的产氢速率变化进行了分析。
18. The process conditions of preparing propionic acid and ethyl propionate by vapor phase carbonylation of Ethanol over Ni-Cu catalyst were investigated.
    对Ni-Cu双金属催化剂上乙醇气相羰基化合成丙酸及丙酸乙酯的工艺条件进行了研究。
19. Advances on Synthesis, Application and Market Prospect of Propionic Acid
    丙酸的合成进展和应用以及市场前景
20. Productive Application and Developing Prospect of Propionic Acid
    丙酸的生产应用和发展前景
21. A Survey of Synthesis and Application of the Propionic Acid
    丙酸及其盐的合成和应用概况
22. With the material of propionic acid and isobutyl alcohol, the synthesis of isobutyl propionate by using solid Mo-Ni Catalyst to replace common vitriol is studied.
    以丙酸和异丁醇为原料，以改性钼镍粉取代以往常用的硫酸作催化剂，进行了丙酸异丁酯的合成研究。
23. Approaches in Propionic Acid Fermentation
    丙酸发酵的研究进展
24. Propionic acid and its salts are important feed preservatives.
    丙酸及其盐是重要的饲料防腐剂。
25. Application and manufacture technics of propionic acid and propionate in feedstuff
    丙酸和丙酸盐在饲料中的应用及其生产工艺
26. Propionic acid production by microbial fermentation is one of the focuses in modern fermentation process.
    微生物发酵法生产丙酸是现代发酵工程研究的热点之一。
27. Hydrogen production from glucose, fructose, galactose and arabinose by propionic acid type fermentation flora was investigated by batch culture.
    探讨了丙酸型发酵菌群对葡萄糖、果糖、半乳糖和阿拉伯糖等四种单糖的发酵产氢特性。
28. However, when the propionic acid was high, the ethanol fermentation was inhibited totally.
    但是丙酸浓度过高时酒精发酵会被完全抑制。

noun

1. a liquid fatty acid found in milk and sweat and in fuel distillates

   Synonym:    propanoic acid