By mechanical analysis and difference equation, we built up a mathematics model of optimum number of times of inhalation, giving the result of reasonable number of times of inhalation and medicine dose.
本文针对支气管哮喘病雾化吸入疗法中的贮雾器与定量手控吸入器配合使用问题 ,通过机理分析 ,利用差分方程建立最优吸入次数的数学模型 ,给出合理的吸入次数及药物剂量结果 。
A class of elliptic curves of certain embedding degrees are constructed and a fast computation algorithm for rational point group is presented.
构造一类具有确定嵌入次数的椭圆曲线,提出计算其有理点群阶的快速算法,时间复杂度比SEA,Satoh,SST和AGM等求阶算法更低。
This paper investigates into the method for determining the times of multiple roots of the nonlinear function equation f(x)=0, revising and supplementing the former conclusions,and obtains some more precise results.
文章对一般非线性函数方程重根次数的确定方法进行了探讨,对原有几个结论作了修改和补充,从而得到了更精确的结果。