研究了羟乙基甲基纤维素和乙烯基共聚物两种聚合物干粉改性砂浆加水搅拌后的性能。
The properties of cement mortar modified by hydroxyethyl methyl cellulose and vinyl co-polymer were studied.
用毛细管流变仪研究了乙基纤维素（EC）及其高密度聚乙烯（HDPE）复合物，纤维素芳族酯（CAE）及其聚碳酸酯（PC）复合物的剪切流变特性和机理。
The rheological behavior and mechanism of ethyl cellulose (EC), HDPE/EC composite, cellulose aromatic ester (CAE) and PC/CAE composite were studied by capillary rheometer in this paper.
用作油漆清漆虫胶油墨胶粘剂染料生物碱醋酸纤维素硝化纤维素乙基纤维素聚乙烯醇缩丁醛等的溶剂金属表面清洗剂制造化工产品的重要原料。
Solvent for paints lacquers shell-lac inks adhesives dyestuff cellulose acetate nitro-cellulose ethyl cellulose etc can also be used in metal cleaning it is also a raw material for chemical synthesis.
结果表明，掺加羟乙基甲基纤维素会明显降低水泥砂浆抗折强度，而掺加乙烯基共聚物则能显著提高水泥砂浆抗折强度；
The result shows that the flexural strength of cement mortar reduces greatly by adding hydroxyethyl methyl cellulose, while adding vinyl co-polymer the strength can increase considerably.
选用乙基纤维素-聚乙烯-环己烷体系应用油相分离法，可制得含有固体漂白活化剂（BED）的微胶囊。
The solid bleach activator (BED) with in the microcapsule was manufactured, in the system of ethyl-cellulose-polyethlene-cyclohexane and using separative method in oil phase.
该方法简便、快速、准确，适用于聚氯乙烯塑料原料及其制品中己二酸二（2-乙基己基）酯的测定。
This method was of simple, speed, accurate which was suitable to the determination of di(2-ethyl hexyl) adipate in polyvinyl chloride plastics materials and products.
研究了羟乙基甲基纤维素和乙烯基共聚物两种聚合物干粉改性砂浆在不同养护条件下的粘结抗拉强度。
The adhesion strength of hydroxyethyl methyl cellulose modified mortar and ethylene copolymer modified mortar were studied at different curing condition.
探讨了乙苯脱氢的氧化铁系催化剂用于对乙基甲苯脱氢制取对甲基乙烯的可能性。
The possibility of preparing p-methyl styrene from p-ethyltoluene by dehydrogenation on iron oxide catalyst originally used for dehydrogenation of ethyl benzene was studied.
热固型丙烯酸涂料是由丙烯酸和甲乙基丙烯酸酯，丙烯酸和甲基丙烯酸，或苯乙烯反应而成。
Thermoset acrylic coating are based on resins prepared from acrylic and methacrylic esters, acrylic and methacrylic acids, and / or styrene.
它们是乙烯，丙烯，异丁烷，环丁烷，丁烯类化合物三个，甲基乙基醚，乙基异丙基醚，乙酸乙酯。
Ten of them were identified. They are ethylene, propylene, isobutane, cyclobutane, three isomeric butenes, methyl ethyl ether, ethyl isopropyl ether, and ethyl acetate.
在二乙基氯化铝的作用下，本发明的催化剂可催化乙烯聚合。
Under the effect of diethyl aluminium chloride, the catalyst of the invention can be used for catalyzing ethylene polymerization.
以甲基丙烯酸、苯乙烯、丙烯酸羟乙酯和丙烯酸- 2 -乙基己酯为主要原料，通过溶液共聚法合成了用于丙烯酸酯水性涂料的高分子表面活性剂。
A new polymeric surfactant using for acrylic acid waterborne coatings was prepared from the methyl acrylic acid, styrene, hydroxyethyl acrylate and 2-ethylhexyl acrylate.
以丙烯酸 2 -乙基己酯与醋酸乙烯酯为单体 ，采用悬浮聚合法 ，以单体自交联制得高吸油性树脂。
The high oil-absorption resin of copolymer of vinyl acetate and (2-ethylhexyl) acrylate was prepared by suspension polymerization with self-crosslinking.
目前常用的高分子材料有聚多糖类、氨基酸类、乙基纤维素、聚乙烯醇、聚丙烯酸、聚苯乙烯等。
At present the commonly used high polymer material has gathers the multi-carbohydrates, the amino acid, the ethyl cellulose, the polyvinyl alcohol, the polyacrylic acid, the polystyrene and so on.
研究了羟乙基甲基纤维素和乙烯基共聚物2种聚合物干粉对硬化水泥砂浆体积密度和毛细孔吸水率的影响。
The influence of hydroxyethyl methyl cellulose and vinyl co-polymer on the bulk density and capillary water absorption of hardened cement mortars was studied.
五氟苯乙烯与三乙基硅烷、一氧化碳在八羰基钴催化下反应得一个位置和立体异体（ 五氟苯基烯基硅醚）的混和物。
The Co 2(CO) 8 catalyzed reaction of pentafluorostyrene with triethylsilane and carbon monoxide gives a perfluorophenyl enol silyl ether as a mixture of regio- and stereo-isomers.
五氟苯乙烯与三乙基硅烷、一氧化碳在八羰基钴催化下反应得一个位置和立体异体（ 五氟苯基烯基硅醚）的混和物。
The Co 2(CO) 8 catalyzed reaction of pentafluorostyrene with triethylsilane and carbon monoxide gives a perfluorophenyl enol silyl ether as a mixture of regio- and stereo-isomers.
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