propyl
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n.
丙烷基,丙基;
英英释义
propyl[ 'prəupəl ]
n.the monovalent organic group C3H7- obtained from propane
同义词:propyl grouppropyl radical
词组短语
propyl gallate没食子酸丙酯;[化]酸丙酯;五倍子酸丙酯
propyl alcohol丙醇
双语例句
用作名词(n.)
During the oxidation reaction, a phenyl group was found to be better than methyl and propyl groups.
有机基团的引入能够显著提高催化剂的活性,其中苯基效果最佳,其次是甲基和丙基。
权威例句
Effect of Propyl Gallate on the Color of Mustard Silk8-Hydroxy-2-(di-n-propylamino)-tetralin discriminates between subtypes of the 5-HT1 recognition site
Myocardial kinetics of technetium-99m-hexakis-2-methoxy-2-methylpropyl-isonitrile.
Crystal structure of bis(μ-N-i-propyl-N-n-propyldithiocarbamato-κ3S,S′:S)bis(N-i-propyl-N-n-propyldithiocarbamato-κ2S,S′)dicadm...
Binding of [3H]3-(2-carboxypiperazin-4-yl)propyl-1-phosphonic acid to rat brain membranes: a selective, high-affinity ligand for N-m...
Fluorescence microscopy: reduced photobleaching of rhodamine and fluorescein protein conjugates by n-propyl gallate
Inhibition of glutathione biosynthesis by prothionine sulfoximine (S-n-propyl homocysteine sulfoximine), a selective inhibitor of ga...
High-efficiency photovoltaic devices based on annealed poly(3-hexylthiophene) and 1-(3-methoxycarbonyl)-propyl-1- phenyl- (6,6) C 61...
Identification, Characterization, and Localization of the Dopamine D3Receptor in Rat Brain Using 7-[3H]hydroxy-N,N-di-n-Propyl-2- Am...
Anomalous micellization behavior and composition heterogeneity of a triblock ABA copolymer of (A) ethylene oxide and (B) propylene o...
1. Evidence of the propyl radicals existing during the reaction was presented.
本研究还提供了该反应涉及丙基自由基的证据。
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2. One of these compounds, pyribambenz-propyl was successfully developed as a potent herbicide for rape field.
丙酯草醚是该类化合物中已成功开发的一种新型高效油菜田除草剂。
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3. From the electrolysis efficiency of alcohol, propyl alcohol and butyl alcohol can be said that (1) Voltage grads and original concentration have strong bigger influence on the removal rate.
通过考察乙醇、丙醇和正丁醇的微电解效率可以得出:(1)电压梯度和初始浓度对电解结果都有较大的影响。
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4. The disequilibrium of isoamylol and normal propyl alcohol directly caused the bitterness in grape wine etc.
葡萄酒中的苦味是由异戊醇与正丙醇失去平衡造成等等。
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5. The casting process and reverse osmosis (RO) properties of hydroxy-propyl cellulose acetate (HPCA) membrane were studied.
研究了羟丙基醋酸纤维素反渗透膜的制膜工艺和膜性能。
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6. Through chromium sour oxidize propyl alcohol system ester law study in sulphuric acid acetic acid system in, proply acetate and proply propanoate form mechanism, and related influencing factor.
通过铬酸氧化丙醇制酯法,研究在硫酸-乙酸体系中,乙酸丙酯及丙酸丙酯的形成机理,及相关影响因素。
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7. Normal propyl alcohol content is regarded as a quality index in the new edible alcohol quality standard.
新的食用酒精质量标准将正丙醇作为一项质量指标来考查。
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8. A new processing method of propyl gallate was advanced in order to decrease the cost of production.
对常见的没食子酸丙酯提出一种尚未见报道的制备方法,可以大幅度地降低生产成本。
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9. It presented the synthetic methods as well as experiment results of brominated or chlorinated propyl antimonites and its intermediate propenyl anti-monite.
介绍了溴(氯)代丙基亚锑酸酯及其中间体烯丙基亚锑酸酯的合成方法及应用试验结果。
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10. Under optimum synthetic condition, the yield of propyl ester was 93.5%.
在最佳反应条件下,尼泊金丙酯的产率为93.5%。
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11. In this paper a new synthesis of Trimethylol propyl triacrylate was introduced.
本文介绍了三羟甲基丙烷三丙烯酸酯新的合成方法。
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12. Methyl, ethyl, propyl and butyl sorbates were synthesized by esterification of sorbic acid with four kinds of alcohol respectively.
采用直接酯化法,将山梨酸与四种醇反应,合成了山梨酸甲酯、乙酯、丙酯、丁酯。
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13. Under this conditions, the yield of propyl benzoate reached 70.5%.
上述条件下,苯甲酸丙酯的产率可达70.5%。
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14. A rapid reverse high performance liquid chromatography method based on the iso - propyl alcohol as an agent of pre-derivatization is developed for the determination of 2-acetoxyisobutyryl bromide.
以异丙醇为柱前衍生试剂,建立了反相高效液相色谱法间接测定2-乙酰氧基异丁酰溴的新方法。
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15. A series of alkyl furoate(methyl furoate, ethyl furoate and n-propyl furoate)were prepared by modified solid acid(ZSM-5) as catalyst. The yield of esters is about 90%.
利用改性固体酸ZSM-5为催化剂,催化合成糠酸甲酯、 糠酸乙酯、糠酸丙酯,酯收率为90%左右。
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16. These peaks correspond to side-chain cleavage of the ethyl and propyl groups respectively.
这些峰分别相当于乙基和丙基的侧链开裂。
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17. Silicone modified polyacrylate pressure-sensitive adhesive was prepared by emulsion polymerization using 3-methyl propyl trimethoxy silane(MPTS) and acrylic ester monomer as raw materials.
以3-甲基丙烯酰氧丙基三甲氧基硅烷(MPTS)、丙烯酸酯类单体为原料,通过乳液聚合制备了有机硅改性聚丙烯酸酯压敏胶。
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18. Under this conditions, the yield of ethyl ester, propyl ester and butyl ester respectively is 87.5%, 89.2% and 91.1%.
上述条件下,尼泊金乙酯的产率为87.5% ,尼泊金丙酯的产率为89.2 % ,尼泊金丁酯的产率为91.1 %。
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19. INGREDIENTS: Deionized water, hydrogenated poly-decene, methyl p-hydroxybenzoate p-hydroxybenzoic acid propyl, acrylic acid copolymer, mineral oil, daily flavor.
主要成份:去离子水、氢化聚癸烯、对羟基苯甲酸甲酯、对羟基苯甲酸丙酯、丙烯酸共聚物、矿物油、香料。
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20. In the onion, methyl propyl disulfide(MPD) produced by the reaction of Alliinase with precursor substances have many biological activity.
在洋葱中,蒜氨酸酶水解风味前体物质生成的甲基丙基二硫化物(MPD)具有多种生物活性。
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21. The preservation of green peppers by using sucrose ester, chitin and propyl-p-hydroxybenzoate was studied, and the nitrite content of green pepper during storage was analyzed.
研究了以蔗糖酯及壳聚糖为涂膜剂,并配合防腐剂对羟基苯甲酸丙酯对青椒进行涂膜保鲜处理,观察青椒在贮藏期间亚硝酸盐含量的变化。
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22. Under this conditions, the yield of ethyl esters was 85%, propyl ester 94% and butyl ester 92%.
上述条件下,尼泊金乙酯的产率为85% ,尼泊金丙酯的产率为94 % ,尼泊金丁酯的产率为92 %。
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23. A kind of environment protectional benzene-propyl later paint, which was suit to coat inner wall was prepared.
研制了一种适用于内墙涂装的环保型苯-丙乳胶漆。
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24. A new cyclopentadiene derivative 1,2 diphenyl 4 propyl 1,3 cyclopentadiene(1) was synthesized by reaction of 3,4 diphenyl 2 cyclopentenone with n propyl lithium.
二苯基环戊-2 -烯-1 -酮与丙基锂反应,经酸化脱水得新环戊二烯衍生物1 ,2 -二苯基-4-丙基-1 ,3-环戊二烯(1 ) 。
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25. Acetoxy propyl cellulose (APC) was prepared by ester reation with hydroxy propyl cellulose(HPC) as raw material. The chemical structure of products were characterized by FT-IR.
以羟丙基纤维素(HPC)为原料,通过酯化反应合成了分子量较高的乙酰氧丙基纤维素(APC),并用FT-IR表征了化学结构。
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26. The way using crude material furoic acid and propyl alcohol to synthesize propyl furoate is researched by catalyst stannous oxide. The yield is 77%.
以呋喃甲酸和正丙醇为原料,氧化亚锡为催化剂,合成了呋喃甲酸正丙酯,产率可达77% 。
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27. In the present article, we give a review on the reaction mechanism and many determinations of propyl gallate.
介绍了没食子酸丙酯的反应机理,并对没食子酸丙酯的测定方法进行了综述。
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28. Product Description: diene propyl phthalate monomer with the development of petrochemical industry and produce new varieties, it has many excellent performance.
产品简介:邻苯二甲酸二烯丙酯单体是随着石油化学工业的发展而产生的新品种,它具有许多优良的性能。
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29. Product Description: diene propyl phthalate monomer with the development of petrochemical industry and produce new varieties, it has many excellent performance.
产品简介:邻苯二甲酸二烯丙酯单体是随着石油化学工业的发展而产生的新品种,它具有许多优良的性能。
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30. propyl caproate
己酸丙酯
-- 来源 -- 英汉 - 翻译参考[网络]
31. These peaks correspond to side-chain cleavage of the ethyl and propyl groups respectively.
这些峰分别相当于乙基和丙基的侧链开裂。
-- 来源 -- 英汉 - 辞典例句
32. "Preservatives such as tocopherol (vitamin E), propyl gallate, butylated hydroxytoluene (BHT), and butylated hydroxyanisole (BHA) prevent rancidity in fats, oils, and fatty foods. In the body, antioxidants such as vitamins C and E and selenium may reduce oxidation caused by free radicals. "
如生育酚(维生素E)、棓酸丙酯、丁基化羟基甲苯(BHT)或丁基化羟基苯甲醚(BHA)等防腐剂可以减缓脂肪、油类和脂肪性食物的氧化问题。在人体内,维生素C、E和硒等抗氧化剂可能因自由基产生而减少氧化。
-- 来源 -- 英汉 - 翻译样例 - 自然
33. propyl carbylamine
丙胩
-- 来源 -- 英汉 - 翻译参考[网络]
34. Food additive--Propyl gallate
GB3263-1982食品添加剂没食子酸丙酯
-- 来源 -- 英汉 - 翻译参考[网络]
35. propyl butyrate
丁酸丙酯
-- 来源 -- 英汉 - 翻译参考[网络]
36. propyl aminoben-zoate
氨基苯甲酸丙酯
-- 来源 -- 英汉 - 翻译参考[网络]
37. propyl caprylate
辛酸丙酯
-- 来源 -- 英汉 - 翻译参考[网络]
38. propyl benzoate
苯甲酸丙酯
-- 来源 -- 英汉 - 翻译参考[网络]
39. propyl cellulose
丙基纤维素
-- 来源 -- 英汉 - 翻译参考[网络]
propyl




