![](https://lstatic.shangxueba.com/jiandati/pc/images/pc_jdt_tittleico.png)
化学反应的机理描述的是反应物分子在转变为产物的过程中,实际所要经历的步骤。每个化学反应构成一
![](https://lstatic.shangxueba.com/jiandati/pc/images/jdt_panel_vip.png)
![](https://lstatic.shangxueba.com/jiandati/pc/images/no_answer.png)
A、反应生成中间体
B、化学能转化为电子激发能,使中间体变成电子激发态
C、电子激发态为化学能,使中间体变成化学原态
D、激发分子辐射跃迁回到基态
E、激发态分子发出的光量子强弱直接代表氧化反应强弱的程度
“A world in a teapot”, mentioned in Text A, is a pattern of landscape architecture, which can be viewed as the soul of classical Chinese gardens. Work in groups of four. Each of you conducts research on one of the following aspect of this pattern and writes a literature review. Then share your findings in groups and discuss if there are any questions that need further research about this pattern. • the origin of this pattern; • the development of this pattern; • the significance of this pattern and its effect on Chinese gardens; • some classic cases of this pattern.
A、净现值(PNW)法
B、内部收益率(IRR)法
C、增值指数(value in gain)法
D、指率法(indicating percent)
为了保护您的账号安全,请在“简答题”公众号进行验证,点击“官网服务”-“账号验证”后输入验证码“”完成验证,验证成功后方可继续查看答案!