风沙
- sand blown by the wind
-
[sand blown by the wind] 夹着沙土的风
-
以阻滞风沙流,切断沙源与交通线路之间的风沙移动路径阻沙;
To block sand blown by the wind and cut off the sand movement path between the sand source and the traffic route & this is sand obstructing ;
-
在总结该县廿多年来与风沙作斗争的经验的基础上,指出植被是生态环境中最积极、最敏感又是最脆弱的因子。
The article advances , on the basis of experience of over twenty years battle against the sand blown by the wind , that vegetation is the most active and sensible factor in the ecological environment , while it is the most fragile one .
-
有一年春天这里风沙很大。
One spring it was very windy and dusty here .
-
这个地区过去风沙猖獗。
The area used to be struck by raging sandstorms .
-
这里冬天风沙很大。
It 's very windy and dusty here in winter .
-
防护林带挡住了风沙。
The shelterbelt kept the sand in check .
-
他们营造了大片防护林带,防止风沙侵袭。
They built a great shelter-belt to check sandstorms .
-
这儿的春天,风沙很常见。
Dust storms are common here in spring .
-
风沙向我迎面扑来。
The sand bit at my face .
-
~(137)Cs法在风沙过程研究中的应用前景
Prospects of caesium-137 used in the study of aeolian processes
-
Pt菌根剂在榆林风沙区针叶树育苗中的应用
Applying of Pisolithus Tinctorius in Growing Saplings of Coniferous Tree in Yulin Wind-Sandy Region
-
a.强烈的风沙活动是流动沙地植物定居的限制因子。
Strong and fluent activity of wind and sand is the key factor for plant species to settle in sandy-land .
-
宁夏盐池半荒漠风沙区PRED专家系统总体设计
The design on PRED expert system in Yanchi semi-desert area in Ningxia
-
风沙跃移运动中的Magnus效应
Magnus Effect in Wind-blown Sand Saltation
-
宁夏盐池半荒漠风沙区PRED综合研究信息数据库的建立及其管理系统设计
A study on PRED database and its management system in Yanchi semi-desert area in Ningxia
-
本文用Lagrange方法结合起跳沙粒初始运动状态分布模拟了稳态风沙输运过程。
The equilibrium sand transport is simulated by Lagrange model combined with the probabilistic distributions of initial speed and angle of ejection sand grain in this paper .
-
通过对已建立的两条灌木林带防护效应的观测分析,结果表明:灌木林带使其周围的气流场重新分布,改变了近地表风沙流结构,0.5、2m高处的风速梯度发生显著变化。
Observational results show that the airflow field nearby shrub shelter belt is redistributed , and the near-surface sand stream is dramatically changed .
-
目前,土木工程领域利用CFD方法研究风沙共同作用下建筑物表面的风荷载还非常少见。
At present , in the civil engineering field , the use of CFD methods to study the effects of Wind-Blown-Sand load on the surface of buildings is very rare .
-
全省有沙漠、戈壁和荒漠化土地1428.9万hm2,占全省土地总面积的31.81%,风沙线长达1600km,并仍以543hm25a-1的速度扩展。
The total area of desert , Gobi and desertification land is 1.43 × 107 hm2 , occupying 31.81 % of the total land area in Gansu province .
-
Magnus力对风沙流结构与能量的影响和以公切角表征的非均匀沙起动风速
The Effects of Magnus Force on Sand Flux and Energy and Threshold Wind Velocity to Non-uniform Sand by the Common Tangential Angle
-
结果表明,施入8%泥炭明显有利于改良风沙土理化性质,表现为土壤容重、总孔隙度、pH值、全N、碱解N、速效P、速效K明显改善;
8 % peat treatments greatly improved the aeolian sandy soil physical and chemical characteristics . Soil bulk density , total porosity degree , total N , alkali N , available P and K increased , and soil pH value decreased to be little acid or neutralized .
-
6类土壤TOC含量大小顺序为:褐土黑垆土黄绵土湘黄土风沙土潮土,差异达极显著水平。
The size order of TOC was cinnamon soil dark loessial soil loessial soil xiang yellow soil aeolian sandy soil alluvial soil , and the difference between 6 types of soil was extremely significant level . 2 .
-
在20~100cm高度内以幂函数规律递减,反映的是悬移质为主的风沙流结构。
And from 20 to 100 cm , the concentration decreases in power function law , which describes the sand flow structure predominated by suspension .
-
e.由于丘间地水分条件较好,受风沙活动的影响较小,同时由于流动沙丘和丘间地的不断更替降低了物种之间的竞争强度,就使丘间地具有较高的物种丰富度和物种均匀度。
E. Due to favorable condition of soil moisture , weak activity of wind and sand , and low inter-specific competition intensity resulting from repeated alternation between sand dunes and inter-dunes , the plant species richness and the plant species evenness are quite high in inter-dunes .
-
从2002年第五届风沙国际会议(ICAR-5)看沙漠科学研究的发展趋势
Trend of Aeolian Research Viewed from ICAR-5 , 2002
-
土壤保墒剂DQ-1在黑龙江省西部风沙土中保水效能研究与分析
Research and Analysis on the soilwater retention efficiency of the absorbent DQ-1 in the sandy soil of the West Heilongjiang Province
-
结果表明,土壤磷素活性高低的顺序为:紧沙土轻沙土沙土,无机磷盐是风沙区植物所能利用的土壤磷素的主要磷形态,且Ca-P所占的比例最大。
The results showed that an order of vivacity of phosphorus increased together with texture , and inorganic-phosphorus available for plants mainly in the sand soil , thereunto Ca-P was major proportion .
-
很多人将这里比作今日的风沙侵蚀区。摄影师MattBlack将这些都记录了下来,这些荒凉的照片令人可怕地想起摄影师们创作的真实反映风沙侵蚀区的作品,这些摄影师们包括DorotheaLange和ArthurRothstein。
Many have likened it to a modern day Dust Bowl , andphotographer Matt Black has been documenting it all , producing starkimages that are eerily reminiscent of the work produced by actual Dust Bowlphotographers , including Dorothea Lange and ArthurRothstein .
-
上段(2.6~8m)是全新世晚期(约3~2KaBP)的风沙沉积,内部夹有两个弱土壤化层,表明在风沙沉积作用过程中有过两次短暂的气候波动。
The upper member ( 2.6 8 m ) resulted from the late Holocene ( about 3 to 2 ka BP ) eolian sedimentation . Two weakly pedogenic beds within this part suggest two short term climatic fluctuations in the prevailing eolian activity .
-
元江干热河谷海拔1200m以下的山地残存的森林植被寥寥无几,山地严重退化,炎热、干燥的气候,旱涝、风沙灾害已成了元江县及周围山地的严重生态问题。
There is little forest under the altitude of 1200m in hot dry valley of Yuanjiang . Hot and dry climate , drought and flood and sand blown by wind become the serious ecological problems in Yuanjiang .