And the sand ripples on the surface arise obviously with the increasing silt mass fraction and wind speed, but disappear as silt mass fraction exceeds 15%.
实验中沙波纹的高度和波长随风速及粉粒的质量分数的增大而增大,而当粉粒的质量分数超过15%时沙波纹消失。
And the sand ripples on the surface arise obviously with the increasing silt mass fraction and wind speed, but disappear as silt mass fraction exceeds 15%.
实验中沙波纹的高度和波长随风速及粉粒的质量分数的增大而增大,而当粉粒的质量分数超过15%时沙波纹消失。
应用推荐