查询词典 anhydride

The properties of mechanical strength, thermal stability and electrical insulation of the epoxy resin cured with hydrogenated terpinene maleic anhydride and their main influencing factors were investigated.

研究了氢化萜烯马来酸酐与环氧树脂固化物的机械强度、热稳定性及电气绝缘等性能及其主要影响因素。

The curing reaction of hydrogenated terpinene maleic anhydride with bisphenol epoxy resin was investigated by FT-IR spectrum, and the curing degree, gelation time and its affecting factors acre analyzed.

采用FT-IR光谱研究了氢化萜烯马来酸酐与双酚A型环氧树脂的固化反应过程，并分析了固化度、凝胶时间及其主要影响因素。

Itis main raw material of tetradecane,others applications include:liquid mosquito-repellent incense,hydraulic oil of large-scale punch,paraffin chloride,anticorrosive paint.powder paint,and top-grade melt adhesive,its derivative is chainpoly-anhydride of 14c binary acid,it is very useful chenical and medical intermediate,it can be used ad curing agent of epoxy and propylene resin,polyester improved additive etc.

外观与性状无色液体，溶解性不溶于水，可混溶于乙醇、乙醚是生产十四碳烷烃的主要原料，其它应用包括：液体蚊香、大型冲压机的液压油、氯化石蜡、防腐涂料、粉末涂料也可用作高档热熔胶，其衍生产品十四碳二元酸的直链聚酐，是一种非常有用的化工及医药中间体，可用于环氧及丙烯树脂固化剂、聚酯改性添加剂等等。

Results Eleven compounds were obtained and identified as sarcodonin A, scabronine B, 3β-hydroxy-5α, 8a-epidioxyergosta-6, 22-dien,(22E, 24R)-ergosta-7, 22-diene-3β, 5α, 6β-triol,(22E, 24R)-ergosta-7, 22-diene-3β-ol, benzoic acid, 4-hydroxylben-zaldehyde, 4-monopropanoylbenzenediol, ethy1-β-D-glucopyranoside, thioacetic anhydride,(2S, 2'R, 3S, 4R)-2-(2-hydroxyoctadecanoylamino) docosane-1, 3, 4-triol.

结果共分离鉴定了11个化合物，分别是：sarcodonin A、scabronine B、3β羟－5α，5α-过氧麦角甾－6，22-二烯－3β-醇、(22E，24R)-麦角甾－7，22-二烯－3β，5α，6β三醇、(22E，24R)-麦角甾－7，22-二烯－3β-醇、苯甲酸、对羟基苯甲醛、对羟基苯甲酸乙酯、乙基－β-D-吡喃葡萄糖苷、硫代乙酸酐、（25，2'R，3S，4R）-2-（2-羟基－十八碳酰胺）二十二碳烷－l，3，4-三醇。

Catalyzed by triethyl amine , vitamin E succinate was synthesized with vitamin E and succin-ic anhydride.

以三乙胺为催化剂、维生素E和琥珀酸酐为原料合成维生素E琥珀酸单酯。

In this paper a series of multiblock copolymers were synthesized by polycondensation of poly , phthalic anhydride and epoxy resin in the presence of triethyl benzyl ammonium chloride as the catalyst.

以三乙基苄基氯化铵为催化剂，将聚乙二醇、邻苯二甲酸酐和环氧树脂进行共缩聚，制得聚乙二醇-环氧树脂系列多嵌段共聚体。

At present,the total capacity of trimellitic anhydride in the world is about 230,000t/a, with output of 165,000 t/a and total consumption about

目前世界偏苯三酸酐的总生产能力约为 2 3 0万t/a ，产量约为 16 5万t/a ，消费量约为 16 0万t/a。

The global production capacity of trimellitic anhydride was 203 kt/a in 2002, including the capacity of China, 17kt/a.

2002年全球偏苯三酸酐的生产能力为20.3万t/a，我国的产能为1.7万t/a，全球的消费量约14万t。

Three methods for trimellitic anhydride production including MGC,nitric aid oxidation,and liquid phase oxidation by air were compared.

比较了生产偏苯三酸酐的3种方法：芳香醛水溶液空气氧化法、硝酸氧化法和液相空气氧化法。

The title compounds were prepared using chlororesorcinol and trimellitic anhydride as the starting materials in seven steps, with fine overall yields.

以氯代间苯二酚和苯三酸酐为起始原料经7步反应得到了目标化合物，产率良好。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。