sand drift,sand flood是什么意思

用法例句

Stochastic sand trajectories in wind-blown sand were obtained by solving the differential equation which describes the vertical fluctuating velocity of sand grains.

通过对描述沙粒垂向运动速度脉动分量的随机微分方程的直接求解,获得了风沙流中沙粒运动的随机轨迹。

Through simulations on abated effect of nylon and plastic nets with different structure on wind-blown sand in wind tunnel, the aim of this paper is to provide a theoretic base for optimized design of blown sand engineering in the field and a new sand-defending material application.

通过不同结构的尼龙网和塑料网对风沙流减弱作用的风洞实验研究,旨在为探求各种防沙新材料的防护功能,并为防沙新材料的开发、野外工程防沙的优化设计及其应用提供理论依据。

Though simulations on abated effect of nylon net with different porosities on wind-blown sand in wind tunnel, the aim of this paper is to research the relationship between sand transporting and nylon net porosity and wind velocity.

通过对不同孔隙度尼龙网对风沙流减弱作用的风洞模拟实验,旨在探求输沙量与孔隙度和风速二者之间的关系,从而为防沙新材料的开发、野外工程防沙的优化设计及其应用提供理论依据。

Characteristics of activity and sediment of wind-sand current in Xinjiang line of New Eurasian Continental Bridge;

新亚欧大陆桥新疆段风沙流活动特性及停积规律

To demonstrate whether the arrangement of flushing establishment is reasonable and the flushing effect of different flushing flow rate and so on,the flushing experiment was made.

为论证冲沙设施布置合理与否及不同大小冲沙流量的冲沙效果等,在完成地下电厂方案的长系列水文年(31+2a至70+6a)淤积试验后对各种年型及冲沙引用流量进行了冲沙试验。

Due to the need of the high-frequency measurement of wind velocity for the research of the wind-drift sand dynamics at present,the 55R49 hot-film probe was applied to the velocity measurement of wind-sand flow.

通过风洞实验,分析该探头测速性能和频响特性,以及风沙流环境测速的可行性。

The damage of wind-sand flow is multiaspect, not only its destruction to soil surface texture and weakening to anti-erodibility of soil, but also affection on vegetable normal growth and mutilating to industrial and agricultural facilities.

风沙流的危害是多方面的,不仅破坏地表结构,削弱土壤的抗风蚀性,而且影响到植物的生长,损坏工农业设施。