详细释义
Noun:
-
the monovalent organic group C3H7- obtained from propane
双语例句
- 1. 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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- 2. Ethyl and propyl gallate were synthesized without water carrying agent.
- 乙酯和丙酯的合成还摒弃了带水剂。
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- 3. 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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- 4. OBJECTIVE To synthesize thiamine propyl disulfide, a long-effect VitaminB1.
- 目的合成长效维生素B1丙硫硫胺。
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- 5. 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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- 6. 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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- 7. 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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- 8. Methanol, n-propyl alcohol, acetonitrile and carbon tetrachloride were selected as "molecular probe".
- 选用甲醇、正丙醇、乙腈、四氯化碳作探针分子。
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- 9. Under these conditions, yields of 87.5%, 89.2%and 91.1%can be reached for the ethyl ester, propyl est...
- 上述条件下，对羟基苯甲酸乙酯的产率为87.5%，对羟基苯甲酸丙酯的产率为89.2%，对羟基苯甲酸丁酯的产率为91.1%。
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- 10. 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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- 11. GREEN propyl lactate is 100% miscible at room temperature with water as well as with most organic solvents.
- 乐林乳酸丙酯在常温下可溶于水和多种有机溶剂。
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- 12. 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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- 13. 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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- 14. 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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- 15. 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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- 16. METHODS the orthogonal design method was used to optimize the formulation. Hydroxy propyl methyl cellulose was used as matrix.
- 方法采用正交设计以体外溶出为指标，以羟丙基甲基纤维素为阻滞剂，进行处方筛选。
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- 17. This standard solution was accurately prepared in super-clean laboratory with iso-propyl benzene and sub-packed in 2ml ampoules.
- 本标准溶液以纯异丙苯在超净实验室中准确配制并分装于2毫升安瓿中。
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- 18. 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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- 19. Under these conditions, yields of 87.5%, 89.2%and 91.1%can be reached for the ethyl ester, propyl ester, and butyl ester, respectively.
- 上述条件下，对羟基苯甲酸乙酯的产率为87.5%，对羟基苯甲酸丙酯的产率为89.2%，对羟基苯甲酸丁酯的产率为91.1%。
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- 20. The structure of the by-product was affirmed by GC-MS in iso-propyl esterification and the formation mechanism of the by-product was proposed.
- 用GC - MS计确定了异丙酯酯化反应中副产物的结构，并提出了生成该副产物的反应机理。
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- 21. Ingredients: L-Ascorbic Acid, Carrot Seed, Hyaluronic Acid, Licorice Extract, Sea Urchin Extract, Collagen, Allantoin, Propyl Paraben, D. I Water.
- 成份：左旋维他命c、胡萝卜素、玻尿酸、甘草萃取液、海胆萃取液、胶原蛋白、尿囊素、保存剂、去离子水。
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- 22. 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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- 23. The Company produces purified Zhong propyl butyl-carbinol and ester product which totally occupies 80% of the international and domestic market share.
- 公司生产的精制仲辛醇及其酯类产品占国际国内80%的市场份额。
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- 24. A per-propyl emulsion for coatings, by emulsion polymerization, was prepared from methyl methacrylate (MMA), butyl acrylate and acrylic as raw materials.
- 本实验以甲基丙烯酸甲酯、丙烯酸丁酯和丙烯酸为主要原料，利用乳液聚合方法，制备了一种涂料用的纯丙乳胶。
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- 25. This paper introduces a synthesis method of iso-propyl acetate, using acetic acid and iso-propyl alcohol as raw material and neodymium oxide as catalyst.
- 介绍了以乙酸和异丙醇为原料，以氧化钕为催化剂来制取乙酸异丙酯的方法。
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- 26. Studies on Environmentally Sound Technology for Producing Piperonyl Butoxide I. Treatment of Waste Water from Chloromethylation of 5-propyl-1, 3-benzodioxole.
- 清洁的胡椒基丁醚生产工艺的研究i, 5 -丙基- 1,3 -苯并二氧杂茂的氯甲基化废水的处理。
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- 27. Normal propyl cinnamylate was synthesized by the esterification of normal propyl alcohol with cinnamic acid in the presence of potassium bisulfate monohydrate.
- 应用硫酸氢钾催化肉桂酸与正丙醇的酯化反应合成肉桂酸正丙酯。
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- 28. 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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- 29. Ingredients: Vitamin a, Vitamin d, Vitamin e, Plant Amino Acid, Hyaluronic Acid, Collagen, Elastin, Eggshell Peptide, Elacin, Sesaflash, Propyl Paraben, D. I Water.
- 成份：维生素a、维生素d、维生素e、植物氨基酸、玻尿酸、胶原蛋白、弹力素、卵壳胜肽、弹力蛋白、芝麻蛋白、保存剂、去离子水。
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- 30. Through orthogonal test was designed for optimal inhibition the new compound color fixative:green tea extract 0.03%, propyl gallate 0.005%, citric acid 1.0%, VE 0.01%.
- 前言： 利用柠檬酸、VE、 没食子酸丙酯、绿茶提取物各自的特性，通过正交实验最终确定了最佳的新型复合护色剂组合：绿茶提取物0.03%、没食子酸丙酯0.005%、柠檬酸1.0%、VE含量0.01%。
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- 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。
用作名词 (n.)
用法讲解
- ethyl-n-propyl ether 乙基正丙醚
- ditetrafurfuryl propyl phthalate 邻苯二甲酸双四糠丙酯...
相关词汇
- propyl group 丙基
【近义词】
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