钛硅分子筛催化丙烯与分子氧直接环氧化 (IMAGE) Science China Press Caption 丙烯制环氧丙烷工艺的演变。(1)氯醇法、(2)共氧化法、(3)双氧水法、(4)过氧化氢异丙苯法以及(5)氧气直接环氧化工艺。 Credit ©《中国科学》杂志社 Usage Restrictions Use with credit. License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.