The former concerns with hydrological processes such as canopy interception, snowmelt, evapotranspiration, slope flow, soil flow and ground flow.
单元水文模型涉及到冠层截留、融雪、蒸散发、坡面流、非饱和土壤水运动和地下水出流等水文物理过程。
Reduced trunnion drag and energy waste because the trunnions on the VR taper bucket are positioned on the rear taper effectively reducing the area of the trunnion exposed directly to soil flow.
由于VR锥形铲斗的耳轴是在铲斗的锥形后部，有效地缩小了耳轴直接接触货流的面积从而减少耳轴牵拉和能量消耗。
The artificial hole piles are one of most foundation types in the modern construction, The problems on water inflow and soil flow are most troublesome in the construction of hole piles dug by man.
人工挖孔桩是现代建筑的主要基础类型之一，而涌水和流沙是人工控孔桩施工中最棘手的问题。
They take in rain and allow it to flow into the soil instead of running off.
它们吸收雨水，让雨水流进土壤，而不是流走。
The permeability of a soil is important for calculations of underground flow.
土的渗透性对于地下液流的计算很为重要。
In heavily sloped areas, higher flow systems like sprinklers can cause the water to run off before it has a chance to soak into soil.
在严重倾斜的地区，如喷头更高的流量系统，可导致水流失，才能有机会渗入土壤。
However, when precipitation rate is large enough and soil water goes beyond the field capacity, the excessive soil water will flow laterally to the lower levels through noncapillary pores.
而当降水强度较大，以致使土壤水分大于田间持水量时，超过田间持水量部分的土壤水会很快流往较低的台阶。
They hold soil in place during rains and ease the water flow.
大雨侵袭时，这些作物可以保持土壤，减缓水流。
Downstream water flow slow, siltation of the alluvial soil more and more, forming a great many of the Delta islands.
下游水流缓慢，淤积的冲积土愈来愈多，形成一个有许多岛屿的巨大三角洲。
Temperature and flow fields, and interfaces of water freezing in soil and crude oil solidifying in the pipeline were obtained through numerical simulation.
通过数值模拟，获得了停输期间温度场、流场以及土壤水分结冰界面和管道中原油凝固界面的分布情况。
These textile materials act AS a barrier to the movement of soil particles but permit the flow of water necessary for adequate drainage.
这些纺织材料相当于一道屏障，它阻止了土壤颗粒的运动，但允许水的流动，以利于排水。
Lateral routing flow of surface water and subsurface soil water become necessary in land surface simulation in mountainous regions.
地表水以及土壤水的侧向流动成为山区水文过程必须考虑的部分。
Too much mulch can restrict oxygen and water flow to the soil and harm roots.
太多的盖土会阻止氧气和水流入土壤，同时还会对根系有害。
The results showed that soil detachment rate increased with the increase of flow shear stress, their logarithm was linear.
试验结果表明，土壤剥蚀率随着水流剪切力的增加其对数呈线性关系。
Among the three soils, the average flow velocity of Wushan soil was the smallest and the breakthrough process was the longest.
对这三种土壤而言，乌栅土的各土层的平均流量最小，穿透时间最长。
There exists a multi linearship between the stem sap flow velocity and the soil moisture, soil water potential.
油松树干液流速率与土壤容积含水量和土壤水势呈明显线性相关关系。
Combing the experiments with results of calculation, we described the effects of raindrop kinetic energy to overland flow and soil surface of slope.
通过对试验现象和结果的结合，描述了雨滴动能对坡面水流及坡面土壤的作用。
In this paper a soil infiltration and recovery simulation model of bioretention trough was constructed by using evaporation, transpiration and gravity flow as the soil recovery mechanisms.
以蒸发蒸腾和重力流作为土壤渗透恢复机制，建立了生物滞留槽土壤渗透与恢复过程模拟模型。
In this paper, influence of wind-sand flow on soil wind erosion was discussed using portable wind tunnel to simulate natural wind.
通过在便携式风洞内模拟挟沙气流，研究了风沙流对土壤风蚀的影响。
The slope runoff formed by soil erosion is two-phase flow constituted by water and sand.
土壤侵蚀所形成的坡面径流是水沙液固两相流。
Such measures as row spacing reduced and close planting and furrow growing are propitious to optimize soil water flow system and they can greatly increase crop's yield and water use efficiency.
沟播处理、缩行密植等优化土壤水流动系统技术，均能较大程度地提高作物的产量和水分生产率；
Due to low soil strength, high underground water level and strong soil plasticity flow, unstability accidents happened frequently in soft soil area.
软土地区由于土体强度低，地下水位高，流塑性强，基坑失稳事故频发。
In both conditions, the peak of preferential flow appeared earlier than that of infiltrated soil water flow.
在两种情况下，优先流的峰值都先于土壤渗流。
Macropore is the common in forest soil and has great impacts on soil water flow. It is main cause by animal activity and the plant roots after death.
森林土壤动物活动和植物根系死亡后形成大孔隙是森林土壤中普遍存在的现象。对森林水分运动过程有重要的影响。
LEACHC is the salinity model describing water flow, solute movement and salt accumulation in soil profiles.
LEACHC是描述土壤水分运动、溶质运移和盐分积累的盐度模型。
TP, rapid available phosphorus, organic content and rapid available iron were gradually decreased in the top soil layer of wetland along the flow path.
总体而言，来水中的磷、有机质和速效铁以沿程逐渐降低的方式分布于湿地表层土壤中。
TP, rapid available phosphorus, organic content and rapid available iron were gradually decreased in the top soil layer of wetland along the flow path.
总体而言，来水中的磷、有机质和速效铁以沿程逐渐降低的方式分布于湿地表层土壤中。
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