查询词典 dimethyl ether

Three kinds of optically active pnthalocyanine derivatives modified with chiral 2'-methyoxy-1,1'-binaphthyl; chiral binathyl crown ether; chiral 6,6'-didodecyl- 1,1'-binaphthyl crown ether, have been synthesized and characterized, respectively.

本论文以手性联萘、手性联萘冠醚、冠醚等功能性基团为化学修饰基元，分别合成了三类光学活性酞菁衍生物和两类共轭聚合物，对它们的组装行为以及某些光、电功能性进行了研究。

In this work,two novel high performance thermoplastics,poly(phthalazinone ether sulfone ketone) and poly(phthalazinone biphenylene ether sulfone),were used to toughen epoxy resin by blending.

本论文采用本课题组开发的含二氮杂萘酮结构的聚醚砜酮及共聚醚砜与环氧树脂共混，以期实现对其增韧。

A process for the carbonylation of allylic butenyl ether (for example, methyl crotyl ether, 3-methoxybutene-1 and mixtures thereof) or mixture of butadiene and alcohol and production of beta-gamma unsaturated carboxylic acid esters (for example, methyl-3-pentenoate) utilizing a rhodium-containing catalyst for example, dicarbonylacetylacetonate rhodium(I or the like promoted with an iodide-containing compound (for example, HI, AlI3, SnI4, TiI4, CrI3, and CoI2 or the like).

一种将烯丙型丁烯基醚(如甲基巴豆基醚、3－甲氧基丁烯－1及其混合物)或者丁二烯与醇的混合物羰基化的方法，以及由含碘化物化合物(如HI、AlI3、SnI4、TiI4、CrI3和CoI2或等效物)促进，用含铑催化剂如二羰基乙酰丙酮酸铑(I或其等效物制备β－γ不饱和羧酸酯(如甲基－3－戊烯酸酯)的方法。

Chondrus ocellatus was extracted by methanol, ethanol, ethyl ether, ethyl acetate, petroleum ether and acetone, respectively.

采用甲醇、乙醇、乙醚、乙酸乙酯、石油醚、丙酮6种溶剂分别对角叉菜进行冷浸提取。

In biodegradation study, debromination of 4-monobrominated diphenyl ether (4-BDE) is investigated with aerobic and anaerobic sludges. This also is the first report demonstrating microbaially mediated biodegradation of 4-BDE under aerobic conditions. 4-BDE biodegraded within 11 days by 68 % and 83 % with toluene and diphenyl ether, respectively, as second carbon sources to stimulate biodegradation.

本研究之生物降解部分，以酒厂之好氧及厌氧活性污泥及经PCE驯化之厌氧活性污泥能有效降解一溴联苯醚(4-mono-BDE， 4-BDE)，结果证实了在好氧情况下微生物降解PBDEs的可行性，而补助碳源的添加有助於提高降解速率，在甲苯或联苯醚存在的情况下，11天内4-BDE分别降解了68 %及83 %。

The photochemical degradation of four typical fatty amine flotation collectors, decyl propyl ether amine, dodecyl propyl ether amine, laurylamine, and stearylamine, in water was studied.

对水体中脂肪胺阳离子浮选捕收剂（癸烷基丙基醚胺、十二烷基丙基醚胺、十二胺和十八胺）的降解方法与效果进行了研究。

This paper drawed lessons from the advanced techniques(Fenton oxidation, photocatalytic oxidation, photochemistry oxidation and microorganism-decomposing method)in water processing to study the degradation effect and regulation of the typical fatty amine flotation collectors in water body, which mainly aimed at decyl propyl ether amide, dodecyl propyl ether amide, laurylamine and stearamine.

本文借鉴水处理中的先进技术（Fenton试剂氧化法、光催化氧化法、光化学氧化法和生物法）来研究水体中典型脂肪胺浮选捕收剂的降解效果与规律，主要针对癸烷基丙基醚胺、十二烷基丙基醚胺、十二胺和十八胺。

The intermediate decyl-glycidol ether of Gemini phosphate surfactant was synthesized with decanol and epichlorohydrin in the presence of phase-transfer catalyst; the intermediate decyl digomeric glycol of Gemini phosphate surfactant was prepared by opening ring reaction of decyl glycide ether and glycol in the presence of potassium as catalyst; and the influence of type and dosage of phase-transfer catalysts was studied.

以正癸醇与环氧氯丙烷为原料在相转移催化剂存在的条件下合成Gemini磷酸酯表面活性剂的中间体I-正癸基缩水甘油醚，讨论催化剂种类及用量对反应的影响；以乙二醇和正癸基缩水甘油醚为原料，金属钾为催化剂合成Gemini磷酸酯表面活性剂的中间体Ⅱ-正癸基低聚二醇，讨论催化剂种类与用量对反应的影响；以P2O5与正癸基低聚二醇为原料合成Gemini磷酸酯表面活性剂，讨论投料比、反应温度和反应时间等因素对反应的影响。

In this study, the vapour–liquid equilibria behaviour of the binary systems dipropyl ether + 2-ethoxyethanol and 1-propyl alcohol + 2-ethoxyethanol and the ternary system dipropyl ether + 1-propyl alcohol + 2-ethoxyethanol was experimentally investigated with the aim of testing the feasibility of using 2-ethoxyethanol as an entrainer to the extractive distillation.

本文研究了2种二元体系（1：二丙醚+ 2-乙氧基乙醇；2：1-丙醇+ 2-乙氧基乙醇）和1种三元体系（二丙醚+ 1－丙醇+ 2-乙氧基乙醇）和的气液平衡行为，旨在测试2－乙氧基乙醇是否适合作为萃取性蒸馏的共溶剂。

The formation of charge transfer complex was studied in the first part. The second part includes the synthesis and characterization of the acrylated unsaturated polyester and the kinetic studies on the Ar-UPE/ triethylene divinyl ether (DVE-3) photocuring system, the rheology and properties of film after photocuring. The third part includes the synthesis and characterization of the urethane modified unsaturated polyester and the kinetic studies on the PU-UPE/DVE-3 photocuring system, the rheology and properties of film after photocuring. The fourth part includes the synthesis and characterization of the vinyl ether end capped polyurethane and the kinetic studies on the VE-PU/DVE3 photocuring system, the rheology and properties of film after photocuring.

整个研究工作分为四个部分：一是电荷转移复合物的研究；二是丙烯酰氧基化不饱和聚酯的合成，表征，Ar-UPE/二缩乙二醇二乙烯基醚（DVE-3）体系光固化动力学研究以及Ar-UPE/DVE-3体系流变性能和光固化后涂膜综合性能的研究；三是氨酯改性的不饱和聚酯的合成，表征，PU-UPE/DVE-3体系光固化动力学研究以及该体系光固化后涂膜综合性能的研究；四是乙烯基醚封端的聚氨酯的合成，表征，VE-PU/马来酸二甲酯体系光固化动力学研究以及VE-PU/DMA体系流变性能和光固化后涂膜综合性能的研究。

He studied their excrement for evidence of livestock hair.

他为家畜毛的证据研究他们的粪便。

Loneliness is not grounds for deportation, deportation of the people are not all lonely people.

寂寞也不是放逐的理由，放逐的人也并不都是孤独的人。