نتایج جستجو برای: clay mixture
تعداد نتایج: 115048 فیلتر نتایج به سال:
Magnetic paleoclimatic records often represent mixed environmental signals. Unmixing these signals may improve our understanding of the paleoenvironmental information contained within these records, but such a task is challenging. Here we report an example of numerical unmixing of magnetic hysteresis data obtained from Chinese loess and red clay sequences. We find that the mixed magnetic assemb...
The addition of charcoal (or biochar) to soil has significant carbon sequestration and agronomic potential, making it important to determine how this potentially large anthropogenic carbon influx will alter ecosystem functions. We used column experiments to quantify how hydrologic and nutrient-retention characteristics of three soil materials differed with biochar amendment. We compared three h...
This work concerns the technical study of implementation, thermal and mechanical characterization a composite material based on clay plant fibers, in order to meet need for bioclimatic sustainable houses. The objective was find proportions fibers obtain mixture that would give better properties. A properties made thanks KD2 Pro analyzer samples various formulas clay-plant fibers. results obtain...
Nanoclays are new generation of processed clays of interest in a wide range of high performance composites. In other words, nanoclay is defined as a clay that can be modified to make the clay complexes compatible with organic monomers and polymers. Here, it can be said that the polymeric nanocomposites are among the most exciting and promising classes of materials discovered recently. A number ...
This experiment was carried out at National Research Station of Ornamental Plants, Mahallat, Iran, to investigate the effect of different substrates on growth and yield of gerbera flower. The experimental design was randomized complete blocks, using 14 treatments with 3 replications as: fine sand, peat + fine sand (25% + 75%), peat + fine sand (50% + 50%), perlite + peat (75% + 25%), perlite + ...
Nano ZnO/ montmorillonite composite were prepared by sol gel method under ultrasonic irradiation from directly mixing montmorillonite nano clay into Zinc gel. The Zn(CH3COO)2.2H2O and montmorillonite nano clay was used as precursor. The zinc acetate was dissolved in DI water and, NH3 (aq) solution was dropped into the zinc solution until pH 9 consequently the zinc gel was produced. The montmori...
Nano ZnO/ montmorillonite composite were prepared by sol gel method under ultrasonic irradiation from directly mixing montmorillonite nano clay into Zinc gel. The Zn(CH3COO)2.2H2O and montmorillonite nano clay was used as precursor. The zinc acetate was dissolved in DI water and, NH3 (aq) solution was dropped into the zinc solution until pH 9 consequently the zinc gel was produced. The montmori...
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