Four kinds of amendments can improve soil physical properties. Soil bulk density decreased, soil porosity, permeability coefficient and field capacity increased under treatments.
四种改良剂均能不同程度的改善土壤物理性状，能降低土壤容重，提高土壤总孔隙度，加快渗透速度，增加田间持水量。
After revamping, four kinds of mixed crude oil can be processed without changes in unit capacity and product specification.
结果表明，改造后装置可以加工四种混合原油，并达到原油加工量不变、生产的产品规格也不变的改造目的。
After revamping, four kinds of mixed crude oil can be processed without changes in unit capacity and product specification.
结果表明，改造后装置可以加工四种混合原油，并达到原油加工量不变、生产的产品规格也不变的改造目的。
应用推荐