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- In this paper a new technology of a catalytic alkylation process prodused p ter butylphenol by reacting of phenol with iso buten have bee introduced at a HY Zeolite catalyst in an autoclave. 本文介绍的新工艺制备方法是采用HY型分子筛催化剂，苯酚、异丁烯原料路线，在加压反应釜中进行催化烷基化反应，合成对叔丁基苯酚。
- An training simulator for DCS of butene rubber monomer 顺丁橡胶单体工艺dcs训练仿真器
- Even the best quality rubber will perish with age. 就是最佳质量的橡胶也会因老化而腐烂。
- Rubber has more resilience than wood. 橡胶有比木头更大的弹性。
- Rubber boots are impervious to water. 橡胶鞋是防水的。
- I have not a good hand the whole rubber. 整个一盘牌中我就没有拿到过一手好牌。
- She used a rubber band to tie her hair. 她用一根橡皮筋扎头发。
- We imported raw rubber from Malaysia. 我们从马来西亚进口生胶。
- butene rubber 丁烯橡胶
- Rubber is the country's principal export. 橡胶制品是该国主要的出口产品。
- Oil and grease will rot the rubber of your tyres. 油污能腐蚀轮胎橡胶。
- The little girl stretched her rubber band. 小女孩拉长橡皮筋。
- Tires are usually made of rubber. 轮胎通常由橡胶制成。
- The condensation compound was synthesized by 2 butene 1,4 diol and iso butyric aldehyde,and was characterized by elemental analysis and IR. 将异丁醛与1,4丁烯二醇缩合得到产物二氧七环,对产物进行了元素分析和IR分析。
- They worked on the farm, tapping rubber trees. 他们在这农场做割胶的工作。
- Foam rubber provides good insulation. 泡沫橡胶隔绝性能良好。
- He stretched the rubber band till it snapped. 他把橡皮筋啪的一声拉断了。
- We can win the rubber 2 games to nil or 2-1. 我们可以以2比零或2比1赢得这三局两胜的比赛。
- The rubber seal is designed to keep out all the moisture. 橡胶的密封垫是用以隔绝湿气的。
- An ISO standard codec for computer audio and video. 它是iso标准的计算机音频、频多媒体数字信号编解码器。
