低、中强度火烧对土壤容重和孔隙度的影响不是很人，而对土壤分散系数却有影响。
Low and moderate intensity fire had no or little effects on soil unit weight and porosity, which was different from that on separate coefficient.
降雨能使火烧迹地的土壤密度和分散系数升高、孔隙度下降。
Rainfall makes the soil density and disperse coefficient increased and porosity decreased.
采用室内试验方法研究了分散红3b及其代谢产物对土壤过氧化氢酶活性的影响。
Influence of disperse red 3b and its metabolites on catalase activity of soil was investigated.
非点源——像农业或是被开发土壤中流失的分散资源。
Nonpoint source — Diffuse source such as runoff from agricultural or developed land.
连年火烧使土壤密度比未烧林地下降，而孔隙度和分散系数升高。
The soil density is decreased, and the disperse coefficient and porosity are increased in the sites where were burnt in successive years.
高强度火烧对土壤容重、孔隙度和分散系数的影响均显著。
The effects of high intensity fires on soil unit weight, porosity and separate coefficient were significant.
研究土壤中粘土分散凝聚行为对于土壤环境的保护具有重要意义。
It's of important meanings for study on the dispersion-flocculation behavior of clays in soil to soil environment protection.
细颗粒泥沙的絮凝或分散对土壤渗透性、土壤可蚀性有重要作用，是水土保持研究的重要内容。
Fine sediment flocculation and deflocculation play an important role in soil penetrability and soil erodibility, and are one of the primary contents of soil and water conservation.
该产品适用于制取土壤在纯水中经过平动、往返振荡下分散颗粒的混液，供给各种试验项目所用。
The product is applied to the system to take the soil in water moving through the flat, oscillating between dispersed particles under the mixed fluid, the supply of a variety of test items.
细颗粒泥沙的絮凝-分散对土壤结构的稳定性，土壤中农用化合物的迁移以及侵蚀泥沙的输移、沉积有重要作用。
Flocculation and deflocculation of fine sediment play an important role in soil structural stability, agro-chemical compounds movement and eroded sediment transport.
由于降雨、坡面层流引起的土壤侵蚀被认为是涉及到坡面土壤的分散、沉积和转移同时发生的过程。
Soil erosion caused by rain and the layer flow of slope land is thinked as simultaneous occurrence process of slope land soil of dispersion, deposition and diversion.
在饱和持水量的条件下，草地雀麦具有加速土壤水分散失的作用。
When the soil moisture is saturated, Bromus riparius can accelerate the loss of soil moisture .
在饱和持水量的条件下，草地雀麦具有加速土壤水分散失的作用。
When the soil moisture is saturated, Bromus riparius can accelerate the loss of soil moisture .
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