It's defined that the particle size distribution function is of the negative exponential function model.
确定了其粒度分布函数为负指数模型。
Downward wave amplitude decay in negative exponential function, but the upward wave amplitude is not the case.
下行波的衰减规律符合指数衰减，但上升波的衰减并不符合这一规律。
The joint spacing of each set of joint is calculated and can be effectively fitted by negative exponential function.
统计分析各优势组的节理间距，得出各优势组节理间距符合负指数分布。
By nonlinear regression analysis the change law is found that with the increase of geostress the permeability coefficient will decrease with negative exponential trend.
然后通过回归分析，可以发现该地区渗透系数随地应力值的增大呈负指数递减的变化规律。
Both the Numbers of tree species and tree density decreased as height class or diameter class increased, fitting both negative exponential and negative power equations.
树种数和树木的密度都随高度级、径级的增加而呈负指数或负幂函数递减。
The first generalization is that the expansion of solutions of equations is generalized to negative exponent, and negative exponential elliptic function solutions are obtained.
第一种推广为，将方程解的展开式扩展到负指数，可以求得方程的负指数的椭圆函数解。
The results indicated that, there are both negative exponential functions between safety input (especially the safety education input) and direct accident loss and accident frequency.
结果表明：安全投入(特别是其中的安全教育投入)与事故直接损失、事故发生频数之间均呈较明显的负指数关系。
Through mathematic analysis, the author of this paper comes to a conclusion that negative exponential equation can not be used to elucidate the regularity of the settling of suspended matter.
通过数学分析，结论是：不能采用负指数方程描述悬浮物的沉降规律。
In column experiment the salt release flux from different sediment can be expressed as a negative exponential function and decrease in the order of silty clay, medium-fine sand and pelitic silt.
静水实验中沉积物向上覆水体盐分释放通量符合负的幂指数形式，并按粉质粘土、中细砂、泥质粉砂顺序递减；
The mathematical model with finite solution for bedding plane air-leakage is established, in which the air leakage intensity is regarded as attenuating follows proximately negative exponential law.
建立了层面漏风的定解数学模型，将地表漏风强度近似看作按负指数规律衰减。
The mathematical model with finite solution for bedding plane air-leakage is established, in which the air leakage intensity is regarded as attenuating follows proximately negative exponential law.
建立了层面漏风的定解数学模型，将地表漏风强度近似看作按负指数规律衰减。
应用推荐