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- Then we have drawn a conclusion: the maximal acid strength of SO_4~(2-)/TiO_2-SiO_2 solid superacid catalyst is -12.70. The acid centre mode of SO_4~(2-)/TiO_2-SiO_2 is chelate structure. 结果表明:SO_4~(2-)/ZiO_2-SiO_2催化剂的酸强度最大达-12.;70。 SO_4~(2-)/TiO_2-SiO_2固体超强酸的酸中心模型是螫合式双配位。
- My letter will convey some idea of my mode of life. 我的信将使你了解到一些我的生活方式。
- The lazy student never do his homework on time. 这个懒惰的学生从没有按时做他的家庭作业。
- My chief joy centred in caring for the children. 我主要乐趣集中在看管孩子。
- He has very sternly admonished student. 他十分严厉地训诫了学生。
- He is, so to speak, a hardworking student. 他可说是个用功的学生。
- The student murmured the answer with a blush. 那个学生红着脸小声说出了答案。
- I lived in a hostel while I was a student. 我求学期间住在青年招待所里。
- The spacecraft was in its recovery mode. 这艘飞船处于返回状态。
- My sister is always a studious student. 我妹妹一直是一个勤奋好学的学生。
- Her research is centred on the social effects of unemployment. 她的研究课题是失业对社会的影响。
- He is of a the most outstanding student. 他是一名最优秀的学生。
- He changed his whole mode of life. 他改变了整个生活方式。
- Such a good student as he (is) will succeed. 像他这样的好学生一定会成功。
- This student is slow in learning English. 这个学生学英语很笨。
- The level of formality determine the precise mode of expression. 不同的礼节程度决定所需的确切表达方式。
- She is an overseas student in Britain. 她是个在英国的外国留学生。
- We fail one student per year on average. 我们平均每年有一个学生不及格。
- Short skirts are the mode in her school. 短裙是她学校的流行服饰。
- She is not used to the formal mode of address. 她不习惯于这种正式称呼。
