Fraction相关论文
Protective effects of organic extracts of Alpinia oxyphylla against hydrogen peroxide-induced cytoto
Alpinia oxyphylla, a traditional herb, is widely used for its neuroprotective, antioxidant and memory-improving effects.......
Underestimation of phosphorus fraction change in the supernatant after phosphorus adsorption onto ir
The phosphorus (P) fraction distribution and formation mechanism in the supatant after P adsorption onto iron oxides and......
The soil moisture regime can affect the release of heavy metals in soil.In the previous studies,slightly polluted soils ......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
Fractions and Bioavailability of Soil Inorganic Phosphorus in the Loess Plateau of China under Diffe
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
评了马梅莲老师讲的《分数与除法》一课。如果单纯地从形式上去教学分数和除法的关系“一个分数的分子当于除法中的被除数，分母相当......
A selective separation and recovery process has been developed based on the supercritical fluid extraction and fractiona......
The chemical and physical properties of nitrogen and phosphorus as well as their concentrations in the overlying water, ......
The efficiency of EDTA, HNO3 and CaCl2 as extractants to remove Pb, Zn and Cufrom tailing soils without varying soil pH ......
The potential harm of heavy metals is a primary concern in application of sludge to the agricultural land. A pot experim......
Fluidized pellet bed (FPB) has been successfully applied in water and wastewater treatment. However, the removal mechani......
数学知识无论是横向还是纵向都有内在联系,通过教学,应该使知识真正联系沟通起来,形成完整的知识体系。如果知识是割裂孤立存在的,......
应用蒸馏法将原油分离为轻质、中质、重质3种馏分,通过FT-IR及TG-PDSC手段,对比稠油不同馏分的特征官能团,分析了注空气过程中其不......
