英语人>词典>汉英 : 环氧衍生物 的英文翻译,例句
环氧衍生物 的英文翻译、例句

环氧衍生物

基本解释 (translations)
epoxides

更多网络例句与环氧衍生物相关的网络例句 [注:此内容来源于网络,仅供参考]

Epoxy propane is a basic material for petro-chemical industry, and it is the third derivative of Propylene except for Polypropylene and propylene nitrile.

环氧丙烷是重要的石油化工基础原料,在丙稀的重要衍生物中是仅次于聚丙烯和丙烯腈的第三大品种。

Most polymers used in food factories are derivatives of epoxy, polyester and acrylic resins, and rubber latex.

多数聚合物被使用在食物工厂是环氧衍生物、聚酯和丙烯酸酯的树脂,。

A method to synthsis a - methylene - r - butyrolactones was reported by the substituted (a - carbethoxyvinyl) cuprate intermediates, generated by the addition of higer order cuprate to acetylenic ester,traping with epoxides stereoselectively.

本文报道了通过以高序铜代替低序铜对炔酸酯加成得到的取代铜与端基或环状环氧化合物的立体选择性反应,较高产率的合成α,β-取代烯酯,进而可合成α-亚烷基-γ-丁内酯类衍生物。

Emphasis: Aminolysis method of hydroxyl on alcohol, addition amination of epoxy alkyl, aminolysis of aliphatics haloid.

重点:醇羟基的氨解、环氧烷类的加成胺化、脂族卤素衍生物的氨解。

In this dissertation, I will represent my studies on the nitration of Chalcone derivatives, reaction of epoxide ketone, and the aromatization of 3,5-disubstitued 2-isoxazolines with nitric oxide.

本文主要研究了:(1)NO与查尔酮及其衍生物的硝化反应,反应以较高的产率得到了a-硝基化合物;(2)NO对环氧酮的开环反应,反应生成了顺式羟基硝酸酯;(3)3,5-二取代的-2-异恶唑啉在NO作用下可以发生芳环化反应,生成了对应的2-异恶唑化合物。

The factors affect on the degree of substitution of product, yield and apparent viscosity, such as the mol rates of EPTAC with -NH2, reaction temperature, reaction time and the content of water in system have been discussed in detail. FTIR spectrometer and UV spectrometer are used to characterize the structure of the derivative and it is proved that substitution reaction mainly occurs on the -N element .The particle size and morphology of chitosan and quantemary ammonium salt of chitosan are analysised by comparing photos of their scanning electron microscope. The degree of substitution of HACC is determined by acid -base conductometric titration. An error in current formula of DS has pointed out and a correct formula has presented.On the base of experience of above experiment, the reaction conditions of HACC were systematically investigated through orthogonal design, and then the best conditions are found. Water-solubility and dependence of pH are studied.

壳聚糖和环氧丙基三甲基氯化铵在异相条件下发生反应,通过单因素实验,制备了一系列不同性能的壳聚糖季铵盐,本文首次详细讨论了反应条件(反应摩尔比、反应时间、反应温度、水含量)对产率及产物性能的影响;用红外光谱和核磁共振对结构进行表征分析时,发现季铵盐阳离子基以N位上取代为主;通过电镜图片对壳聚糖和季铵盐衍生物外观形貌进行对比,采用酸碱电导滴定法测定产物的取代度,并对常用取代度公式做了修正。

The preparation of grafted derivant of tertiary amine: it is prepared by the reacting of above (1) product and (2) product heated in water bath at 40℃ within 10min.

聚环氧氯丙烷乙二醇哌啶接支衍生物的制备:将上面制备的聚环氧氯丙烷乙二醇与0.25mol环氧丙基哌啶叔胺于40℃水浴条件下进行接支反应。

The preparation of esterified derivant : it is prepared by the esterifying reacting of above (3) product and 4g dodecylbenzene sulphonic acid heated in water bath at 40℃ within 30min.

聚环氧氯丙烷乙二醇哌啶接支酯化衍生物的制备:4g十二烷基苯磺酸于40℃水浴条件下聚环氧氯丙烷乙二醇哌啶接支衍生物进行酯化反应。

Synthesis of organic sulfuric compounds in aqueous media is carried out by: using thio-olefin compounds with carbonyl compounds, acetal/keltone, hydrazone, oxime, osazone and enamine to synthesize mercaptal/keltone compounds in aqueous media; using thio-olefin compounds with alpha-hydroxyaldehyde/keltone or alpha-halogenated aldehyde/keltone to synthesize thia-olefin derivatives in a queous media; using thio-olefin compounds with alpha, beta-unsaturated hydroxy compounds, C-C treble bond, C-N treble bond, C-C double bond, N-N double bond, C-N double bond, C-S double bond, epoxy and its derivatives, aziridine and its derivatives, cyclopropane and its derivatives and halogenated carboxy to synthesize sulfoether compounds in a queous media.

含水介质中有机硫化合物的合成方法,本发明属于有机合成方法,用硫缩烯酮类化合物与羰基化合物、缩醛/酮、腙、肟、脎、烯胺在含水介质中合成缩硫醛/酮化合物,与α-羟基醛/酮或α-卤代醛/酮在含水介质中合成噻烯类衍生物,与α,β-不饱和羰基化合物、碳碳叁键、碳氮叁键、碳碳双键、氮氮双键、碳氮双键、碳硫双键、环氧乙烷及其衍生物、氮杂环丙烷及其衍生物、环丙烷及其衍生物、卤代烃等在含水介质,中合成硫醚化合物。

Respectively, glutamic acid derivatized β-CD has been synthesized with epoxy chloropropane as the intermediate, a water-insoluble yellow liquid was got after the acetylating of the by using acetic anhydride, which was used as a novel gas chromatographic CSP; A water-soluble β-CD polymer cross-linked with epoxy chloropropane has been synthesized, and the derivatives of β-CD polymer were synthesized by its alkylating and acetylating. The different β-CD derivatives were coated on silica capillary columns by dynamic method, the chromatographic properties and retention behaviors of the fused silica capillary columns were studied, the results showed that the β-CD derivatives had good stereoselectivity and separation results to some compounds, especially to various positional isomers and enantiomers.

本文还分别以环氧氯丙烷为中间体,合成了七{2,6-二-O-[3-(1,3-二羟基丙氨酸)]}-β-环糊精,再用醋酸酐将其乙酰化,得到了一种淡黄色粘稠液体,合成了一种新型的环糊精衍生物;以环氧氯丙烷作交联剂合成了一种水溶性的β-环糊精聚合物,再将其烷基化和酰基化,合成了β-环糊精聚合物的不同衍生物,用动态法将不同类型的β-环糊精衍生物涂渍在石英毛细管柱上,通过对所制备柱柱性能的测试和对一系列化合物的分离和保留行为的研究,结果表明所合成的β-环糊精衍生物对各类化合物,特别是对位置异构体和对映异构体具有较好的分离效果,显示了很强的立体选择性。

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alkylene oxide:环氧烷

"alkylene halide","卤化伸烷基" | "alkylene oxide","环氧烷" | "alkylene oxide derivative","环氧烷衍生物"

Ergot:麦角菌

早在18世纪,即发现寄生在小麦上的麦角菌(ergot) 产生的麦角碱能引起人和家畜的麦角中确定化学结构的黄曲霉毒素(aflatoxin)有18种,各种Af的化学结构彼此相似,都是二氢呋喃杂萘邻酮的衍生物,均含一个以双呋喃环(bifuran) 和一个氧杂萘邻酮(又名香豆素,

chromone:色(原)酮

酮类化合物为色原烷(chromane)或色原酮(chromone)的2-或3-苯基衍生物,泛指由两个芳香环(A和B)通过中央三碳链相互连接而成的一系列化合物,一般具有C6 C3 C6的基本骨架特征,其中C3部分可以是脂链,或与C6部分形成六元或五元氧杂环.

menthane:薄荷烷

2.1 单萜(monoterpenoids)木姜子属中存在的单萜有无环单萜、单环单萜和双环单萜及其含氧衍生物**2.1.2 单环单萜单环单萜类植物成分的种类很多,其基本碳架在10种以上,木姜子属有其中2种类型的基本骨架, 即薄荷烷(menthane) 和桉叶素类(cineole),

epoxides:环氧衍生物

epoxide 环氧化物 | epoxides 环氧衍生物 | epoxy adhesive 环氧树脂粘合剂

epoxy equivalent weight:环氧当量

"epoxy derivative","环氧衍生物" | "epoxy equivalent weight","环氧当量" | "epoxy ester; watersoluble","水溶环氧酯"