ketene单词基本解析:
n.乙烯酮,烯酮n. 乙烯酮
n.乙烯酮,烯酮;
ketene变化用词:
ketene英英释义:
KeteneA ketene is an organic compound of the form R'RC=C=O. The term is also used specifically to mean ethenone, the simplest ketene, where R' and R are hydrogen atoms.以上来源于:Wikipedia
ketene中文词源:
ketene用法和例句:
ketene
Staudinger was a prolific writer and the following books by him have been published: Die Ketene (Ketenes), published by Enke, Stuttgart, 1912;
1907年,以他在实验中发现的高活性烯酮为题完成了博士论文,获得了博士学位。
alkyl keten dimmer(AKD)
AKD
AKD (alkyl ketene dimer) emulsions offered good sizing, but rendered very poor ink hold-out.
AKD乳液提供了良好上胶度,但纸之托色效果甚差;
butyl ethyl ketene(BEK)
[化] 丁基·乙基烯酮; 丁基·乙基乙烯酮
ketene (di)acetal
[化] 乙烯酮缩二乙醇
acetyl ketene
[有化]乙酰基烯酮
α-acetyl-α-benzeneacyl ketene dithioacetle
α-乙酰基-α-苯甲酰基二硫缩烯酮
α-oxo ketene dithioacetal
α-羰基二硫缩烯酮
butyl ethyl ketene
丁基乙基(乙)烯酮
Keywords neutral sizing agent;alkyl ketene dimer;sizing agent emulgent;
中性施胶剂;烷基烯酮二聚体;施胶剂乳液;
ethyl ketene
乙基乙烯酮
ketene and acetic acid process
乙烯酮-醋酸法
Keywords Ketene;Photodissociation;Velocity Map Ion-imaging;Quantum Interference Effect;Interference Effect Angle;
乙烯酮;光解;离子速度成像;量子干涉效应;干涉相位角;
Keywords ketene;atomic hydrogen;cyanogen radical;free radical reaction;transtion state;rate constant;
乙烯酮;原子氢;氰基;过渡态;速率常数;自由基反应;
Keywords ketene;cyanogen radical;Density Function Theory method;
乙烯酮;氰基;密度泛函方法;
ketene dimer
乙烯酮二聚物
ketene copolymer
乙烯酮共聚物
ketene generator
乙烯酮发生器
ketene process
乙烯酮法
ketene acetylation
乙烯酮法乙酰化
ketene lamp
乙烯酮灯
Photodissociation Dynamics of Ketene and Quantum Interference Effect in Collision-induced Energy Transfer for CO-HCI System
乙烯酮的光解动力学研究和CO-HCI碰撞传能中的量子干涉效应实验研究
Production of Ketene and Development of Its Downstream Products
乙烯酮的生产及下游产品的开发
ketene acetal
乙烯酮缩二乙醇
Keywords dimerization;ketene imine;reaction mechanism;
二聚;乙烯基亚胺;反应机理;
diphenyl ketene
二苯乙烯酮
The paper presents a review of the neutral sizing with alkyl ketene dimmer(AKD).Some factors influencing AKD sizing are discussed.And the methods for determination of AKD in paper are also introduced.
介绍了几种测定纸页中AKD含量的方法,并对AKD的施胶机理和影响AKD施胶的因素作了简单总结。
Preparation of Acetylacetone from Acetone via Ketene
以丙酮为原料的乙烯酮法制乙酰丙酮
Keywords hexahydropyrimidines;azocompounds;heterocyclic ketene N;N-ketal;
六氢嘧啶;偶氮化合物;杂环烯酮N;N-缩胺;
Keywords Chloro 5 pyridylmethyl;Cyano;Ketene aminal;Biological activity;
关键词2-氯-5-吡啶甲基;氰基;乙烯酮缩胺;生物活性;
The inclusion of polyamide and alkyl ketene dimmer improved the mechanical properties of methylcellulose, especially the wet tensile strength.
力学性能测试表明,聚酰胺、烷基烯酮二聚体能够明显改善纤维素复合膜的力学性能,尤其是湿态拉伸强度。
Keywords quantum topology;IRC;ketene;methylenimine;
拓扑分析;IRC;烯酮;亚甲胺;
Pulse injection of CH3I and CH3OH into the in situ cell resulted in the appearance of some crucial C2 intermediates in the reaction, such as surface acctyl, acetate, ketene and enolate .
捕获剂CH_3I和CH_3OH以脉冲方式引入原位红外池,分别捕获到一些较关键的C_2中间物:表面乙酰基、表面乙酸盐、乙烯酮和烯醇盐。
Abstract : The bimolecular single collision reaction potential energy surface of an isocyanate NCO radical with a ketene CH2CO molecule was investigated by means of B3LYP and QCISD(T) methods.
摘要 : 采用B3LYP和QCISD(T)方法计算得到了NCO自由基与乙烯酮(CH2CO)双分子单碰撞反应势能面。
Keywords AKD(Alkyl Ketene Dimmer);bound AKD;unbound AKD;coefficient of friction;
施胶机理;结合AKD;未结合AKD;摩擦系数;
The paper introduces the application of AKD (Alkyl Ketene Dimer) neutral sizing and necessary additives in peel base paper, and the efficiency and attention are included.
本文以实际生产为基础,介绍了AKD施胶剂、配套助剂在离型原纸生产中的应用及性能评价,对生产中常见的问题进行了探讨并列出了相应的解决措施。
Using ab initio and DFT methods, the reactions about ketene with H and CN free radicals have been investigated in this thesis, as following: 1.
本文采用量子化学的从头算和密度泛函方法,研究了CH2CO与H和CH2CO与CN的自由基反应机理,得到了以下结果: 1.
Keywords chloroacetyl chloride;ketene;chlorination;
氯乙酰氯;乙烯酮;氯化;
AB INITIO STUDIES ON THE REACTION MECHANISM OF [2+2] CYCLOADDITION OF KETENE WITH ETHYLENE AND ACETYLENE
烯酮与乙烯或乙炔的[2+2]环加成反应机理的从头计算研究
silver ketene
烯酮银
Ketenes, notably dimethyl ketene, readily undergo oligomerization and polymerization
烯酮,特别是二甲基烯酮,很容易齐聚和聚合。
alkyl ketene dimmer
烷基乙烯酮二聚物(纤维素反应型的耐久防水柔软剂)
Keywords alkyl ketene dimmer;cationic polyurethane;sizing agent;retention agent;neutral sizing;
烷基双烯酮二聚物;阳离子聚氨酯;施胶剂;留着剂;中性施胶;
alkyl ketene dimer
烷基烯酮二聚体
Keywords Alkyl Ketene Dimers;Neutral Sizing;Palmitoyl Chloride;Polymer Surfactant;Uniform Design;Regeneration;
烷基烯酮二聚体;中性施胶;十六酰氯;高分子表面活性剂;均匀设计;再生;
Keywords alkyl ketene dimmer;cationic starch;esterificated;sizing agent;
烷基烯酮二聚体;阳离子淀粉;酯化;内施胶剂;
alkyl ketene dimmer ( AKD )
烷基烯酮二聚物(AKD)
Sizing mechanism of AKD(Alkyl Ketene Dimmer)was demonstrated in the current paper, followed by its effect on paper friction.
着重介绍了AKD施胶的机理,并对AKD施胶所带来的纸页摩擦系数的降低进行了分析。
REACTION OF CYCLOKETONE,ACETYLACETONE AND ACETYLACETIC ESTER WITH KETENE OR ACETIC ANHYDRIDE IN THE PRESENCL OF COPPER SULFATE
硫酸铜催化下乙烯酮、乙酐与环酮、戊二酮及乙酰乙酸乙酯的反应
Keywords Cellulose-reactive sizing agent;alkyl ketene dimer;alkaline sizing;
纤维反应型施胶;烷基烯酮二聚体;碱性施胶;
Keywords a-oxo ketene dithioacetals;thiol equivalents;aqueous media;solvent-free reaction;thioacetalization;chemoselectivity;
羰基二硫缩烯酮;代硫醇试剂;水相反应;无溶剂反应;缩硫醛/酮化;化学选择性;迈克尔加成;
Keywords -Oxo ketene dithioacetals;thiol equivalents;protection for carbonyl group;Dithiine and analogs;new method;
羰基二硫缩烯酮;代硫醇试剂;羰基保护;噻烯类似物;新方法;
The affection of solvent kinds,the solventratio,the chlorine ratio,the reaction temperature,and the reactor mode etc.to the chlorination of ketene was investigated.
考察了溶剂、溶剂比、氯气配比、反应温度及反应器型式等对乙烯酮氯化的影响。
Keywords specially paper chemicals;ketene;diene polymer;stearic aciel acyl chlor ieles;
造纸化学品;乙烯酮;二烯烃聚合物;硬脂酸;酰氯;
Keywords quantum chemistry calculation;ketene;bent geometry;NBO;
量子化学计算;烯酮;弯曲几何;NBO分析;
Depending upon reaction conditions, the product may be a polyketone formed b y addition polymerization of the ketene double bond
随着反应条件的不同,产物可以是由烯酮的双键加成聚合得到的聚酮。
用作名词(n.)A method of the synthesis of chloroacethyl chloride from ketene and chlorine in a solvent is introduced.
介绍了乙烯酮与氯气在溶剂中合成氯乙酰氯的方法。