1) monolith lysimeter
土壤渗透计
2) soil permeability
土壤渗透
1.
The soil permeability characteristics of waste rock hill is studied.
结果表明:相同排矸年限不同坡向土壤渗透速率差异较大,不同排矸年限间相同坡向土壤渗透速率的差异也十分显著。
2.
Four main vegetation types, which are Picea crassifolia,Sabina przewalskii,bushes and pastureland ,whose soil permeability function was analyzed from angle of its physics,capacity of water, storing water in it .
从土壤物理性质、蓄水量、贮水量等角度对祁连山苔藓云杉林、祁连圆柏林、亚高山灌丛林、牧坡草地 4种主要植被类型的土壤渗透功能进行分析 ,结果表明 :土壤的渗透功能主要由土壤非毛管孔隙度的质和量决定的 ,苔藓云杉林土壤非毛管孔隙度的质和量最好 ,它的渗透功能也最好 ;虽然亚高山灌丛林的渗透功能次之 ,但由于它自身的特点 ,蓄水性能最好 ,又加之面最大 ,因此 ,贮水量也最大。
3.
The soil permeability characteristics of shelter forest in silting coastal area is studied.
探讨了淤泥质海岸防护林土壤的渗透特性 ,指出同一林分土壤渗透速率差异较大 ,不同样地间土壤渗透速率的差异也十分显著。
3) soil infiltration
土壤渗透
1.
Experimental study on the soil infiltration characteristics at the area of the Three Gorges reservoir;
三峡库区土壤渗透特性实验研究
2.
Soil infiltration of stormwater runoff in residential quarter;
建筑小区雨水径流的土壤渗透净化
3.
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。
5) soil infiltration
土壤渗透性
1.
The study on the soil infiltration under different main vegetation types in Anji County of Zhejiang Province showed that the characteristics of soil infiltration differed significantly with land use type,and the test eight vegetation types could be classified into four groups,based on soil infiltration capability.
对浙江安吉县龙王山地区主要植被类型的土壤渗透性进行了研究。
2.
An experiment of leaching saline-sodic soil with brackish water was conducted for analysis of changes in physical and chemical properties of the soil,such as soil infiltration,bulk density,salt and alkali content,etc.
在轻度盐碱化和中度盐碱化2种苏打盐渍土上,分别设置对照、补充灌溉、低额淋洗和高额淋洗4个处理,对经微咸水淋洗的苏打盐渍土的土壤渗透性、土壤容重以及土壤盐碱含量的分析结果表明,在高额淋洗区,微咸水在中度苏打盐渍土中渗透速率约为对照区的3倍,在轻度苏打盐渍土中约为对照区的2倍。
3.
Water absorption capacity of ground cover, soil physical properties and soil infiltration etc.
:对临朐县冶源镇侧柏、火炬树、侧柏火炬树混交林的地被物持水能力、土壤物理性质 ,土壤渗透性等测定 ,研究了三种林分的涵养水源功能。
6) soil penetrability
土壤渗透性
1.
Many researchers are making their all efforts to search ways to improve soil penetrability.
简要介绍了细颗粒泥沙絮凝 -分散对土壤渗透性、土壤可蚀性以及污染物迁移的影响 ,以期有效防治水土流失和由此带来的非点源污染。
补充资料:渗透计(osmometer)
【渗透计】(osmometer)用以测定高分子溶液渗透压借以测量其分子量的仪器。有两个溶液池,一溶液池上接毛细管,下部通过半透膜与另一溶液池相接触。从两液面差可求压力及分子量。`(\pi/c)_(c\to0)=(RT)/barM_n`,式中`barM_n`为数均分子量。渗透计半透膜面积要大,毛细管要细,使达到平衡所须时间少。种类很多,较新的系一快速自动平衡渗透计,能自动调节溶剂贮槽位置,使溶剂能立即和溶液达到平衡。溶剂流动方向可用毛细管内气泡指
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条