风沙扩散,Sandstorm diffusion
1)Sandstorm diffusion风沙扩散
1.Sandstorm diffusion is one of the most serious ecological problems and is paid widely attention in the whole world.风沙扩散以及由此引起的生态环境灾害作为严重的生态环境问题受到世界的普遍关注。
2.In recent years, sandstorm diffusion happened frequently and has caused serious problems.鉴于此背景,本文选取北京市重点风沙危害区—延庆风沙区为典型区域,以1962~2005年地面气象记录和三期TM影像(1989年、1996年和2005年)为主要数据源,运用3S技术,结合野外观测、景观生态学、生态风险理论和自然灾害理论,进行景观生态风险研究,客观分析和评价了区域景观结构生态风险和风沙扩散风险水平,并对风沙扩散灾害进行了模拟。
英文短句/例句

1.Risk Assessment of Sandstorm Diffusion and Landscape Pattern Optimization in Beijing Region;北京地区风沙扩散风险评价与景观格局优化研究
2.Study in Wind-Blown Sand Motion with Thermal Diffusion and Heat Convection;热扩散、热对流对风沙运动的影响研究
3.Dunes are ridges of loose sand heaped up by the wind.沙丘是散沙被风吹起堆积而成的。
4.vary in order to spread risk or to expand.用多样化来扩散风险或扩张。
5.The Diffusion of Seaward Sediments from Yangtze River and the Source of Depositing Sediments in the North Branch长江入海泥沙扩散与北支淤积泥沙来源
6.Detection of distribution change and diffusion of suspended sediment concentration around Heini Bay黑泥湾近岸悬沙分布与扩散变化监测
7.Research on Performance of HEPA Filter Supply Outlet Diffusion Panel;高效过滤器送风口扩散板性能的研究
8.The Study of the Regional Risk Expansion Mechanism in Real Estate Markets;房地产市场区域性风险扩散机制研究
9.Research of Credit Risk Model Based on Jump Process;基于跳——扩散过程的信用风险模型研究
10.Upwind Cell-centered Mixed Methods for Convection-diffusion Problems对流扩散方程的迎风Cell-centered混合元方法
11.Calculation of Leaked Chlorine Gas Diffusion for Environmental Risk Assessment环境风险评价中氯气泄漏扩散的计算
12.The Simulation of Dredged Sediment Transport and Diffusion on Marine Dumping Ground;海洋倾倒区抛卸疏浚泥悬沙输移扩散模拟研究
13.A Study on CA Model of Population Expansion for Spartina Alterniflora at Jiuduansha, Shanghai;上海九段沙互花米草种群扩散动态CA模型研究
14.3D Numerical Simulation and Analysis of the Transportation of Suspended Sediment in the Huanghe Estuary;黄河口悬浮泥沙扩散规律及其数值模拟研究
15.Numerical simulation of the dispersion and transportation of suspended sediment from dredged soil matter疏浚土倾倒后悬浮泥沙扩散输移的数值模拟
16.Analysis of Sediment Dispersal of the Huanghe(Yellow) River Mouth--A Case of Diaokouhe Lobe黄河河口泥沙扩散规律分析——以钓口河流路为例
17.The coefficient is fitted from calculating the sediment diffusion coefficient by suspended load model.通过悬沙模型反求泥沙扩散系数的方法来拟合系数。
18.Predictive Model for the Desertification on Oasis-desert Ecotone--A Case Study of Minfeng Oasis in Xinjiang绿洲—沙漠交错带沙漠扩散预测模型——以新疆民丰县为例
相关短句/例句

sediment diffusion泥沙扩散
1.A study on sediment diffusion in turbulent mixing region at the mouth of cecum reach;盲肠河段口门掺混区的泥沙扩散
2.In order to make clear the influences of sediment diffusion caused by sand sampling boats on back -suilting of trial chamfers of sea routs in Nansha Port of Guangzhou Harbor, Lower Reach Bureau of Hydrology and water resources surveying of Yangtze River Water Resources Committee adopted ADCP to test the sediment diffusion.为进一步弄清广州港南沙港区航道试挖槽上游采沙船作业产生的泥沙扩散对试挖槽泥沙田淤的影响,长江下游水文水资源勘测局采用ADCP对采沙船作业引起的泥沙扩散进行了观测。
3.A mathematic Model of flow and sediment was employed to predict and analize the change of hydrodynamic condition,the sediment diffusion during the process of exploitation and the change of scour and silting situation in the channel bed after sand exploitation in the southeast part of Dahu Channel.采用水流泥沙数学模型对大虎水道东南部海砂开采后的水动力条件变化、开采过程中的泥沙扩散及开采后的河床冲淤状况变化进行了预测分析,对海砂开采的管理提出了若干建议。
3)suspended sediment dispersion悬沙扩散
4)Calm dispersion静风扩散
5)spread risk扩散风险
6)fine breeze dispersion微风扩散
延伸阅读

长风沙【诗文】:江水六月无津涯,惊涛骇浪高吹花。橹声已出雁翅浦,荻夹喜入长风沙。长风自古三巴路,樯竿参差杂烟树。南船北船各万里,凄凉小市相依住。歌呼杂沓灯火明,黄昏风死浪亦平。劳苦舟师剩沽酒,安稳明朝到池口。【注释】:【出处】: