sill drift

The paper thinks that setting the new strike price equal to the stock price on the reloading date is not always suitable, gives the tentative method to calculate the minimum level of the strike price, and makes a test by a case.

通过研究认为再装股票期权以再装日股票价格作为新的执行价格不一定是一种好的方案,提出了计算再装股票期权执行价格最低水平的试探性方法,并进行了实例验证。

The phenomenon of backward flow of smoke resulted from a mine fire in a horizontal tunnel was investigated.

为掌握烟流滚退的发生规律，采用理论分析的方法，对水平巷道火灾的烟流滚退现象进行了研究，导出了滚退发生的条件式，并建立了２个无量纲准则。