1) aeolian ripple
风成沙纹
1.
Numerical simulation of aeolian ripple formation;
风成沙纹形成过程模拟与形态分析
2.
We studied the effect of particle impacting-angle on development of aeolian ripples using numerical simulation method.
采用数值模拟的方法研究了沙粒冲击角对风成沙纹形成过程及其形态特征的影响。
3.
Remarkable progress has been made in numerical simulation of aeolian ripple over the last more than twenty years.
风成沙纹的数值模拟研究已取得了不少进展,但各家所采用的模拟方法及模拟结果存在不少差异。
2) aeolian sand ripples
风成沙纹
1.
Shape characteristics of the natural aeolian sand ripples and their relations with the physical characteristics of surface sand.;
自然风成沙纹的形态特征及其与地表沙物理性状的关系
3) sand aeolian ripples
风成沙波纹
1.
On the basis of previous investigations of the sand aeolian ripples, cellular automata theory and recent studies on dynamics of two-phase wind-sand fluid flow, this paper presents some improvements and modifications on the existing numerical simulation of sand aeolian ripples, and discusses its stability as well.
本学位论文在总结前人关于风成沙波纹研究的基础上,以元胞自动机原理为出发点,根据风沙两相流体运动的近期研究成果,对现有风成沙波纹的数值模拟进行了修正和改进,并对其稳定性进行了理论分析,主要研究工作包括如下四个方面: 1。
4) sand-ripple formation cause
沙纹成因
5) eolian sand ripple
风积沙波纹
6) aeolian sand
风成沙
1.
It is discovered that the change of wind erodibility of aeolian sand with its grain size complies with discontinuous function, 0.
风成沙广泛分布于我国干旱与半干旱地区，是我国风蚀与风沙活动的主要载体。
补充资料：西晋圣人弟子双风纹镜
西晋圣人弟子双风纹镜 西晋铜镜。圆纽，纽下四叶，叶内雕人物四人，两侧有铭文，为“弟子仲由”、“弟子颜渊”、“弟子子贡”、“圣□子”。四叶间饰双鸟树纹四组，外围为连弧纹，纹外铭文一周，为“子丑寅卯辰巳午未申酉戊亥”。外缘为栉齿、锯齿纹。整个图案为浮雕细线纹。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条