查询词典 ethyl ester

Ophenyl phenol,ophenyl phenol sodium salt tetrahydrate,7ADCA,2ethyl phenyl hydrazine hydrochloride,2,3dihydrofuran,7ethyl3(2hydroxy ethyl)indole,methyl ester of etodolac; 1,8diethyl1,3,4,9tetrahydropyrano[3.4b] indole1acetic acid methyl ester,5chloro2methoxy benzoic acid,4(2aminoethyl)benzene sulfonamide,5cyano phthalide,phthalhydrazide,9thioxanthenone,n[(1,4benzodioxane2yl)carboxyl]piperazine HCL,2chloro4amino6,7dimethoxyquinazoline,2chloro benzimidazole,1(4fluorobenzyl)2chlorobenzimidazole,2methylthio4pyrimidone,5amino4imidazole carboxamide HCL,6chloro2hexanone,11oxo6.11hydrodibenzothiepin,6,11dihydrodibenzooxepin11one,10,11dihydrodibenzocyclohepten5one;dibenzosuberone,dibenzo cyclohepten5one;dibenzosuberenone,3,5dihydroxy benzoic acid,3,5dihydroxy benzyl alcohol,2mercapto benzimidazole,3,4dihydroxy benzaldehyde,3,4dihydroxy benzonitrile,2amino5chloro benzonitrile,2(4chlorophenoxy)ethyl chloride,2(4chloro phenoxy)tert,butane,ditrimethylol propane;DTMP,2,2bis(4hydroxyphenyl)butane; bisphenol B,1,1'bis(4hydroxyphenyl)cyclohexane;bisphenol Z,tetrabromobisphenolS,3,5ditertbutyl salicylic acid,3,4,5trihydroxy benzoic acid stearyl ester,1,2,4trimethoxybenzene.

华业公司产品：邻苯基苯酚，邻苯基苯酚钠盐，7氨基3去乙酰氧基头孢烷酸，邻乙基苯肼盐酸盐，2，3二氢呋喃，7乙基色氨醇，依托度酸甲酯，5氯2甲氧基苯甲酸，4(2氨乙基)苯磺酰胺，5氰基苯酞，双酮酞嗪，9噻吨酮，N〔(1，4苯并二恶烷2基)羰基〕哌嗪盐酸盐，2氯4氨基6，7一二甲氧基喹唑啉，2氯苯并咪唑，1(4氟苄基)2氯苯并咪唑，2甲硫基4嘧啶酮，5氨基咪唑4 甲酰胺盐酸盐，6氯2已酮，11氧6.11二氢苯并〔b.c〕虑平，11氧代6，11二氢二苯并氧杂卓，10，11二氢二苯并环庚烯5酮，二苯并环庚烯5酮，3，5二羟基苯甲酸，3，5二羟基苯甲醇，2巯基苯并咪唑，3，4二羟基苯甲醛，3，4二羟基苯腈，2氨基5氯苯腈，2(4氯苯氧基)1氯乙烷，2(4氯苯氧基)叔丁烷，双丙烷，2，2二(4羟基苯基)丁烷；双酚B，1，1'双(4羟基苯基)环己烷；双酚Z，2[3，5二溴4(2，3二溴丙氧基)]苯砜，3，5二叔丁基水杨酸，3，4，5三羟基苯甲酸十八烷基脂，1，2，4三甲基氧基苯。

Among 3 cultivars, B17 occupied the least green odor contents of aromatic constituents, such as 2-hexen-1-ol acetate, butanoic acid 3-hexenyl ester and butanoic acid 3-hexenyl ester, hut had the most fruity, flowery and woody odors such as β-Ionone, 1-nonanol, Acetic acid octyl ester, Methyl benzoate, Ethyl benzoate and theaspirane, which showed that B 17 was superior to the 2 other cultivars in aroma quality.

不同品种的杨桃果实中的所含的香气成分及含量不同，B17杨桃含乙酸－反－2-己烯酯、丁酸－反－2-己烯酯、丁酸－反－3-己烯酯等青香型酯类最低而含β-紫罗兰酮、1-壬醇、乙酸辛酯苯甲酸甲酯、苯甲酸乙酯、茶螺烷等花香型、果香型及木香型成分最高，因而其香气品质要优于B10和新加坡红肉种。

And the characteristics of body their trace components are as follows: Luzhou－flavour liquor has ethyl caproate the main flavour component with its content 160～250mg/100ml (above 40％ of total ester); Fen－flavour liquor has ethyl acetate the main body flavour component, above 50％ of total ester, and the content of ethyl lactate and ethyl acetate above 90％ of total ester; Tte main body flavour component of Maotai－flavour liquor is still uncertain, and it has higher furfural content (260mg/100ml); Sanhua－flavour liquor,β－phenethyl alcohol is a special characteristic for it and the content of ethyl lactate is 73％ of total ester; In other flavour liquors,the specific flavouring components vary because of different types.

其微量成分特征为：浓香型白酒以己酸乙酯为主，含量在160～250mg/100ml，占总酯40％以上；清香型白酒以乙酸乙酯为主体香，占总酯的50％以上，乙酸乙酯与乳酸乙酯的含量占总酯90％以上；酱香型白酒的主体香暂无定论，其糠醛含量较高，达260mg/100ml；米香型白酒以β－苯乙醇为特征成分，乳酸乙酯含量占总酯高达73％。其他香型白酒因门类不同，以数种成分为其特征。

In the study of peptide formation from phosphoryl aspartic acid with ethyl alanine, the N-phosphoryl peptide ester was isolated and identified by 1D and 2D NMR. It was found that only α-dipeptide ester, no β-dipeptide ester, was formed in the reaction.

实验发现N-磷酰化极性氨基酸在没有活化剂、缩合剂的水溶液中能够发生成肽反应，且生成的磷酰化二肽具有方向性：成肽产物的N端氨基酸来自N-磷酰化氨基酸，成肽反应发生在其C端。

Products: 3 - benzoyl-ethyl acrylate (97% min), acyl phosphorus acid methyl ester (98% min), P acyl three ethyl acetate (98% min), a phosphorus acid acyl The ethyl esters (98% min), 3 - bromine -1,3,4,5 - tetrahydrocannabinol -2 H-1-benzo-Aza Zhuo -2, 1 - naphthalene-tetrahydrocannabinol (98% min), 3,5 - dimethyl benzoyl chloride (99% min), 3,5 - dichloro benzoyl chloride (97% min), the ethyl benzoyl chloride (99% min), a TCA Ester (99.5% min), o-benzoyl methyl benzene (99% min), 4 - phenyl benzophenone (99% min): glacial acetic acid (99% min), methanol (99% min), liquid chlorine (99.5% min), caustic soda (30% min), isopropyl alcohol (99% min), anthranilic acid (99% min), dichloroethane (99% min ), Chunben (99% min), toluene 99% min

3-苯甲酰基丙烯酸乙酯（97%min）、磷酰基乙酸三甲酯（98%min）、磷酰基乙酸三乙酯（98%min）、磷酰基乙酸甲酯二乙酯（98%min）、3-溴-1，3，4，5-四氢-2H-1-苯并氮杂卓-2酮、1-四氢萘酮（98%min）、3，5-二甲基苯甲酰氯（99%min）、3，5-二氯苯甲酰氯（97%min）、对乙基苯甲酰氯（99%min）、氯乙酸甲酯（99.5%min）、邻苯甲酰基苯甲酸甲酯（99%min）、4-苯基二苯甲酮

Two benzothiazole ester compounds containing boron with different alkyl chain, Di-n-hexyl-[2-(2-benzothiazolylthio)] ethyl boric acid ester (BNS-1) and Dicyclohexyl-[2-(2-benzothiazolylthio)] ethyl boric acid ester(BNS-2), were synthesized and their tribological performance as additives in rapeseed oilwas investigated using a four-ball testing machine.

合成了两种含不同烷基链的含硼苯并噻唑酯类化合物，即二正己氧基-2-[(2-苯并噻唑基)硫代]乙氧基甲硼烷(BNS-1)和二环己氧基-2-[(2-苯并噻唑基)硫代]乙氧基甲硼烷(BNS-2)。

To evaluate the potential of several biodiesels, which had different content of fatty acid methyl ester, as substitute solvent for quizalofop-p-ethyl emulsifiable concentrate, the type and content of fatty acid methyl esters in tested biodiesels were analyzed by gas chromatography, and 5% quizalofop-p-ethyl ECs were prepared with different biodiesels, respectively. The control test against gramineous weeds by the 5% quizalofop-p-ethyl ECs were carried out in greenhouse.

为评价不同来源生物柴油作为溶剂配制精喹禾灵乳油的效果，采用气相色谱法测定了几种生物柴油中脂肪酸甲酯的种类及含量，利用相应制备的5%精喹禾灵乳油进行了防治禾本科杂草的盆栽试验，同时比较了不同生物柴油对药剂稀释液表面张力、干燥时间和在叶片表面沉积量等药液物理性状的影响。

In these components, 2-methyl-1-propanol, ethyl acetate, 3-methyl-1- propanol, 2,3-butanediol, phenylethyl alcohol, butanedioic acid diethyl ester, ethyl hydrogen succinate, 2-hydroxy-ethyl propanoic acid and 4-hydroxy-benzeneethanol were main aroma components, these volatile componds provided the typical sensory style of wine.

其中，2-甲基-1-丙醇、乙酸乙酯、3-甲基-1-丙醇、2，3-丁二醇、2-羟基丙酸乙酯、苯乙醇、丁二酸二乙酯、乙基-氢化琥珀酸和4-羟基苯甲醇等成分构成了葡萄酒的主体香气，这些主体香气与其他风味成分一起构成葡萄酒的典型风味特征。

Potassium dihydrogen phosphate was used as catalyst in the synthesis of hexanoic acid 2-ethyl ester.

用磷酸二氢钾作催化剂，己酸与二乙氨基乙醇为原料，合成DA-6。

This paper presents a description of the brief synthesis of hexanoic acid 2-ethyl ester by new methods and its application. It takes two steps and 4.5 h to complete the synthesis of it.

己酸二乙氨基乙醇酯(DA 6)由美国科学家于20世纪90年代初首先发现的一种新型植物生长调节剂，具有高活性，低毒无污染、可与其它农化物质兼容的特点，它的合成与应用研究正日益受到人们的重视[1～7]。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。