查询词典 blown sand

The law of sand incipience is the connection of microcosmic mechanism research on wind-blown-sand two phase flow and macrocosmic engineering application.

沙粒起动规律是联系风沙运动微观机理研究和宏观工程应用的桥梁。

Our research depends on the advantage of cross-knowledge and makes a research on this subject by Gas-Solid Hydromechanics theory and PTV measure technology. Our research tries to understand sand incipience and wind-sand flow structure, find a new way to research the wind-blown-sand flow.

本论文发挥交叉学科的优势，采用气固两相流体力学理论和PTV测量技术研究这一现象，从新的角度认识沙粒起动和风沙流结构，为风沙流动的研究打开了新的思路。

Our research analyzes comprehensively the sand data, such as thickness distribution, velocity distribution, frequency distribution of sand incipience velocity, expatiates the behaviors of these two sand incipiences in wind-blown-sand flow, then our research amends some deficiency of relative researches.

本文全面分析了沙粒浓度分布、速度分布和沙面上起动沙粒速度参数的频率分布等，阐述了两种沙粒起动方式在风沙流中的不同表现，并对相关研究资料中的不足进行修正。

Whether sand can saltate from sand bed surface and quality of sand incipience are very important to the sand transport and the form of wind-blown-sand. The quality of sand incipience involved with many kinds of parameters, such as incipient velocity, incipient angle etc.

沙粒能否起动以及起动质量如何，如起动初速度、起动角度等参数都直接关系到沙粒的输运和风沙两相流形成。

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。

The technical route of this study is to study the characteristics of wind-blown sand movement and sand-dust control mechanism of plants with blown sand physics and mathematical statistics as basic principles, combining theories of forestry, ecology and other subjects.

本项研究的技术路线是以风沙物理学、数理统计学的基本原理，结合林学、生态学等学科理论来研究风沙运动特征及植被抑制沙尘的机理。

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。

Therefore, the currently experimental demonstration projects aiming at harnessing blown sand and exploiting sandy land resources efficiently in China, is reasonable and also feasible, at least, in the north of wind-blown sand area of the Loess Plateau.

因此，目前国家正在实施与推广的防沙治沙与沙地资源高效开发利用试验示范项目，至少在黄土高原北部风沙区是合理的，也是切实可行的。

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。

By analysing the characteristics of wind-blown sand physical mechanics,the paper determined the maximum dry density of wind-blown sand ,the construction method and quality control method of wind-blown sand subgrade.

通过对风积沙物理力学特性的分析，确定风积沙的最大干密度和风积沙路基的施工方法及质量控制办法。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。