نتایج جستجو برای: cation exchange capacity
تعداد نتایج: 507586 فیلتر نتایج به سال:
Abstract Ferns (Polypodiophyta) are an abundant floral element of the tropics with high sensitivity to environmental conditions and good indicators overall biodiversity. Here, we set out identify which geochemical factors determine fern diversity in a low-montane tropical rainforest Eastern Ecuador. We conducted field survey high-spatial resolution completing comprehensive inventory across two ...
Abstract Soil cation exchange capacity (CEC) strongly influences the chemical, physical, and biological properties of soil. As direct measurement CEC is difficult, costly, time-consuming, indirect estimation from chemical physical parameters has been considered as an alternative method by researchers. Accordingly, in this study, a new hybrid model using support vector machine (SVM), coupling wi...
Cation exchange capacity (CEC) is a soil property that significantly determines nutrient availability and effectiveness of fertilizer applied in lands under different managements. CEC’s accurate high-resolution spatial information needed for the sustainability agricultural management on farms Nagaland state (northeast India) which are fragmented intertwined with forest ecosystem. The current st...
Ion-exclusion/cation-exchange chromatography (IEC/CEC) on a weakly acidic cation-exchange resin using on acidic eluent, developed by Tanaka et al. in 1994, has been employed to monitor the quality of environmental water samples such as acid rainwater and river water, to analyze body fluid samples such as saliva, and to evaluate water purification by photocatalytic materials.1–8 One advantage of...
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