propanoic
英
美
[网络] 初油酸乙酯
双语例句
- The high-purity propionyl chloride was synthesized using propanoic acid and triphosgene as raw materials.
以丙酸和三光气为原料，用三光气法合成了纯度较高的丙酰氯。 - To control the quality of TPI, RP-HPLC was used to determine the content of propanoic acid and proto-catechuic aldehyde in it.
利用反相高效液相层析法测定丹参素和原儿茶醛的含量以控制通脉粉针剂质量。 - Synthesis of 2-( 4-Bromomethylphenyl) propanoic Acid by Cleavage
烯醇丙酮酸磷酸羧激酶裂解法合成2-（4-溴甲基苯基）丙酸 - Synthesis of 2-( 4-Bromomethylphenyl) Propanoic Acid
2-（4-溴甲基苯基）丙酸的合成 - In this paper, seven synthesisizing processes of propanoic acid with ethylene were reviewed Advemtages and defects of each process were discussed.
在对丙酸合成中乙烯路线进行了综述后，提出了七条工艺路线，并讨论了各条路线的优缺点。 - This article mainly introduced the synthesizing technology of propanoic acid and the market analysis.
本文介绍了丙酸的合成技术情况及市场分析。 - Propanoic acid, ethenyl ester, homopolymer; poly ( vinyl propionate);
丙酸乙烯基酯单的均聚物； - The effect of different factors, such as reaction time, the amount of catalyst and the ratio of iso-amyl alcohol to propanoic acid on the yield of iso-amyl propionate were carefully studied.
以二苯胺甲烷磺酸盐为催化剂，合成了丙酸异戊酯，考察了反应时间、催化剂用量、醇酸摩尔比等因素对酯化率的影响。 - Propanoic acid, 2-methyl propyl ester;
丙基-2-甲基丙酸酯； - The different methods for synthesizing bicalutamide using bromoacetone, 2-methyl acryloyl chloride, 2-methyl methacrylate, 2,3-dihydroxy-2-methyl propanoic acid, pyruvic acid or pyruvate as raw materials were summarized respectively.
并概述了分别以溴丙酮、2-甲基丙烯酰氯、2-甲基丙烯酸甲酯、2,3-二羟基-2-甲基丙酸以及丙酮酸或丙酮酸酯为起始原料合成比卡鲁胺的方法。 - The results show that catalysts have higher activities, reaction time being short, higher conversion rate of propanoic acid.
结果表明：此法工艺简单，催化剂用量少，催化活性高，反应时间较短，正丙酸转化率高。 - The effects of propanoic acid accumulation on the growth and acid-production of Propionibacterium shermanii
丙酸积累对薛氏丙酸杆菌生长及产酸的影响 - Synthesis of 2-(±)-( 4-iodo phenyl methoxy) Propanoic Acid and Its Derivatives
2-（±）-（4-碘苯甲氧基）丙酸及其衍生物的合成 - Synthesis of β-dithiocarbamic propanoic acid(β-dtcpa) and its application in determination of cadmium in white metals
β-DTCPA的合成及其在测定白合金中镉的应用 - The matrix of the tobacco flavor is 1,2-propylene glycol, and the primary aroma components in tobacco flavor are menthol, methyl acetate and propanoic acid, 2-hydroxy-ethyl ester and so on.
AB1香精的主体溶剂为1,2-丙二醇，主要致香物质为2-羟基丙酸乙酯、薄荷醇、乙酸薄荷酯等。 - The synthesis of benzyl propionate from propanoic aid, sodium hydroxide and benzyl chloride in the presence of PTC was studied.
本文研究了用相转移催化合成丙酸苄酯的方法。 - Study on a new method of synthesis of α-( o-nitrophenyl) propanoic acid
α－邻硝基苯丙酸合成新方法研究 - Process and Economic Evalution of Propanoic Acid Produced by Propionaldehyde Oxidation Method
丙醛氧化法生产丙酸的技术与经济 - Propanal is an important chemical material which is mainly used to produce chemical intermediates such as propanal, propanoic acid.
丙醛是一种重要的有机化工原料，主要用于生产丙酸、丙醇等中间体。 - The simple and fast determination method presented is based on initial chelation of Sn4+, Cu2+, Pb2+ and other metal ions with EDTA and its subsequent decomposition with trihydroxybenzoic acid, mercaptosuccinic acid and dithiocarbamic propanoic acid.
本文提出的简易、快速测定方法是用EDTA螯合锡（Ⅳ）、铜（Ⅱ）、铅（Ⅱ）和其它金属离子，然后分别用三羟基甲酸、巯基丁二酸和氨荒丙酸解蔽。 - Comparison of Catalytic Activity of Some Inorganic Salts in Esterification of Propanoic Acid with Butanol
几种无机盐催化合成丙酸丁酯 - Methods: By using chloroform as solvent, concentrated sulphuric acid as catalyst, 4-hydroxymethyl caged bicyclic phosphate was esterified with formic acid, acetic acid, propanoic acid, butyric acid, pentanoic acid and, hexanoic acid under bath heat, respectively.
方法：用氯仿作溶剂，用浓硫酸作催化剂，通过4－羟甲基笼状双环磷酸酯在浴温下，分别与甲酸、乙酸、丙酸、丁酸、戊酸及己酸发生酯化反应。 - Study on Synthesizing Propanoic Acid with Haloform Reaction
用卤仿反应合成丙酸的研究 - The catalytic properties of chiral lanthanide complexes in asymmetric synthesis of α-aryl propanoic acid have also been studied.
研究了部分配合物在不对称合成α-芳基丙酸反应中的催化活性。 - Thep-benzoquinone was oxidized to open the ring and formed other intermittent products such as butanol, butanone, propanoic acid and ethanediol.
对苯醌开环后，进一步被氧化，中间会生成丁醇、丁酮、丙醇、乙二醇等。 - 2-( 4-bromomethylphenyl) propanoic acid is one of the key intermediates for synthesizing Loxoprofen sodium.
2-（4-溴甲基苯基）丙酸是合成洛索洛芬钠的关键中间体之一。 - Organic acids increased in the faeces and propanoic acid was the most obvious ( P 0.01).
粪便中乙酸、丙酸、丁酸的含量增大，以丙酸的增长幅度最为显著（P＜0.01）。 - Also, the strain RT-6 demonstrated the improvement of acid tolerance for other organic acids, such as propanoic acid, citric acid, lactic acid and acetic acid.
同时，突变株RT-6对其它种类有机酸，如丙酸、柠檬酸、乳酸及乙酸的耐受性也明显提高。