1)paraldehyde[英][p?'r?ldihaid][美][p?'r?ld?,ha?d]三聚乙醛
1.Polymerization of acetaldehyde to paraldehyde;乙醛合成三聚乙醛反应规律的研究
2.The method to improve the thermal stability of metaldehyde product and the recovery of acetaldehyde from the main by-product paraldehyde were discussed.讨论了主要副产物三聚乙醛解聚回收乙醛的生产工艺及四聚乙醛产品热稳定性处理方法。
3.Diisobutyl acetal was synthesized by the condensation of paraldehyde and iso-butyl al- cohol.以三聚乙醛和异丁醇为原料，合成了二异丁基乙缩醛。
英文短句/例句
1.A colorless liquid polymer, C6H12O3, of acetaldehyde, used as a solvent and a sedative.仲（乙）醛，三聚乙醛一种用作溶剂和镇定剂的无色液体聚合物，C6H12O3
2.polyvinyl acetal resin聚乙烯醇缩乙醛树脂
3.Structure and Properties of Water-Soluble Melamine-Glyoxal Resin水溶性三聚氰胺乙二醛树脂的结构与性能
4.Preparation and Properties of Glyoxal Resin as Water-resistance Agent for Paper Coatings三聚氰胺乙二醛抗水剂对涂布纸性能的影响
5.Preparation of Poly(Vinyl Formal) Cellular Plastics Modified with Melamine and Its Thermal Property三聚氰胺改性聚乙烯醇缩甲醛泡沫材料的制备与热性能
6.Synthesis of a novel melamine-glyoxal condensed polymer decolorizing flocculant and its application三聚氰胺-乙二醛缩聚物脱色絮凝剂的合成及其应用
7.polyvinyl formal wire聚乙烯醇缩甲醛绝缘线
8.testing methods for polyvinyl butyral聚乙烯缩丁醛试验方法
9.pelyvinyl formal fibre聚乙烯醇缩甲醛纤维
10.metaldehyde tablets or sticks for use as fuel聚乙醛片或棒,用作燃料
11.polyvinyl butyral cementing agent聚乙烯醇缩丁醛粘合剂
12.a polymer of vinyl formaldehyde.一种甲醛乙烯的聚合物。
13.melamino-formaldehyde resin fibre三聚氰胺甲醛树脂纤维
14.hydrocarbon-based melamine formaldehyde resin烃基三聚氰胺甲醛树脂
15.melamine-formaldehyde resin三聚氰胺－甲醛树脂
16.urea melamine formaldehyde resin三聚氰胺脲甲醛树脂
17.Synthesis of low-free methanal melamine resin低游离甲醛三聚氰胺甲醛树脂的合成
18.Causes and prevention of polymerization of acetaldehyde in rectifying tower in vinyl acetate plant醋酸乙烯装置乙醛精馏塔中乙醛聚合原因分析及改造措施
相关短句/例句
2,4,6-Trimethyl-1,3,5-trioxane,paraacetaldehyde聚三乙醛
3)sulfoparaldehyde,trithioacetaldehyde三聚乙硫醛
4)Paral副醛或三聚乙醛
5)chloroacetaldehyde trimer氯乙醛三聚物
6)chloroacetaldehyde trimer一氯乙醛三聚物
延伸阅读
三聚乙醛 三分子乙醛的环状聚合物，分子式C6H12O3。三聚乙醛为无色流动性的液体，具有令人愉快的辛辣气味；熔点12.6℃，沸点128℃,相对密度0.9943(20/4℃)；难溶于水，溶于醇、醚和氯仿中；不起醛的特征性反应；在少量酸存在下，可重新分解成乙醛。因此，在化学反应中，当有酸存在下，三聚乙醛可代替乙醛使用。乙醛在痕量的酸或重金属卤化物的催化下，于室温聚合（见聚合反应）成三聚乙醛。
