Comparison between the chemical composition of bedrocks in the upper reaches and that of alluvial plain soils in the lower reaches of a drainage area;
流域上游基岩与下游冲积平原土壤化学组成的对比
These complex geology stratum areas cause serious problems of soil erosion, landslide, traffic safety and landscape destroyed.
台湾第二高速公路南部路段之地理位置为横跨台南、高雄、屏东三县,沿线通过地质复杂的泥岩、砂岩及砾石层等地质区,经常导致土壤冲蚀、边坡崩塌且有危及行车安全与公路景观。
In order to accelerate national land reconstruction,vegetation engineering of soil and water conservation often put adhesive into the project of sprayed work to make plant seed effective staying and growing,and there is the purpose of protecting slope land surface for soil erosion.
为了加速国土的复育,水土保持植生工程中常加入黏着剂除使植物种子有效的停留于坡面生长外,也有保护坡面防止土壤冲蚀的目的。
Two environment problems that disturbed China have been the sand storm climate in the spring of northern China and the soil deposition of Yellow River.
同时,由于地面坚实,在秸杆保护,可减少沙尘暴天气;而在夏季,可增加水分的渗入,减缓地面径流,防止土壤冲刷造成河流泥沙淤积,是一项一举三得的重要措
Response of salt accumulation in soil to groundwater changes at the oasis in the lower reaches of Sangong River, Xinjiang;
新疆三工河流域尾闾绿洲地下水变化与土壤积盐的响应
The types and causes of salt accumulation in soil in the Qaidam Basin were analyzed in this paper and extensive effects of the sink hazards on engineering construction were described.
文章在分析地处青海省干进中心的柴达木盆地土壤积盐类型分布特点及成因的基础上,客观地阐述了柴达木盆地土壤成盐环境及盐胀溶陷灾害形成演化对工程建设的影响,进而提出了相应的防护治理对策。
Quantitative analysis of spatial distribution pattern of soil salt accumulation in plough layer and shallow groundwater in the Yellow River Delta;
黄河三角洲地区浅层地下水与耕层土壤积盐空间分异规律定量分析
Cultivation of steep hillsides may be impractical because of the danger of erosion.
在陡坡山地为防止土壤冲刷，果园不耕翻。
Soil material is removed by being pushed thrown, and scoured out.
土壤由于受到压迫，抛掷和冲刷而被搬走。
Scour is the removal of material of any size by flowing water.
冲刷是指流动中的水将任何粒径的土壤冲走的现象。
Forest soil under growing trees generally does not erode.
正在生长的树木下面的森林土壤一般不会被冲刷。
When soil on sloping land is farmed improperly, it begins to move under the impact of rain.
当坡地上的土壤被不适当地耕作时，在雨水冲刷下，它就开始移动。
Under flood conditions, great amounts of topsoil are washed to receiving streams.
在洪水泛滥时，大量表层土壤被冲刷到承受的水流中。
In the upper Yangtze River valley soil erosion may shorten the life of the Dam,sticie the navigation and induce flood disaster.
长江上游的土壤严重冲刷将会缩短水坝的寿命,不利于水运交通并容易引起洪涝灾害。
This topsoil tends to wash away.
表层土壤要冲掉了。
The floods have washed most of the soil down from the river banks.
洪水已把河堤的大部分泥土冲刷掉了。
3. The erosion of cohesive bed is simulated;
3．模拟了粘性土河床的冲刷特性；
An Elementary Study for the Mechanism of Earth Dam Break
土石坝溃决冲刷侵蚀的力学机理初探
FIELD WATER FLUSHING TESTS ON LARGE-SCALE NATURAL PIPE-CAVE NETWORK IN LOESS
大型天然黄土洞穴系统现场冲刷试验
Anti-scourability of microbiotic soil crust in the loess area of northern Shaanxi Province,northwestern China
陕北黄土区生物土壤结皮抗冲性研究
The soil is classified to tidal sandy soil, derived from river alluvium with sandy loam texture.
土壤分类为河流冲积土发育的潮汐沙土，砂壤土质地。
for heavy rain would not only wash away the soil,
因为大雨不仅会冲走土壤，
Excessive rainfall washes out valuable minerals from the soil.
过多的降雨冲走土壤中的宝贵矿物质。
rainwater washes topsoil into rivers and sands,
雨水把表层土壤冲进河流和沙地，
The erosion process as visualized by the author was intimately related to the swelling of the clay.
根据作者的观察，冲刷过程与粘土的膨胀有关。