نتایج جستجو برای: precipitation chemical
تعداد نتایج: 433028 فیلتر نتایج به سال:
Shape oen has a decisive inuence over the properties and applications of monodisperse nanoparticles. In addition, size is another important factor controlling the properties of the nanomaterials owing to various connement effects. Therefore, the synthesis of diverse, high-quality nanoparticles with tunable shapes and sizes has become a challenging issue and drawn considerable attention. Morp...
The aim of this study is to investigate the effect of the sintering schedule on microstructure and properties of hydroxyapatite which is produced by different synthesizing methods. Hence, wet-chemical precipitation and solid-state reaction were performed to prepare nano-sized hydroxyapatite (HA) powders. Powders were then uniaxially pressed and sintered by varying temperatures and times. XRD an...
Wastewaters are a potential source of pollutants causing serious problems to the environment. Liquid membrane is able to remove contaminants in wastewaters [1], among other techniques such as chemical precipitation, coagulation–flocculation, flotation, ion exchange, electro-oxidation and adsorption [2,3]. It has been given considerable attention by researchers due to its outstanding characteris...
The effects of sintering profiles on the densification behaviour of synthesized nanocrystalline hydroxyapatite (HA) powder were investigated in terms of phase stability and mechanical properties. A wet chemical precipitation method was successfully employed to synthesize a high purity and single phase HA powder. Green HA compacts were prepared and subjected to sintering in air atmosphere over a...
Tropical forests play a substantial role in the global carbon (C) cycle and are projected to experience significant environmental change, highlighting the importance of understanding the factors that control C and N cycling in this biome. Yet interactions between biogeochemical and abiotic variables, notably species diversity and precipitation, remain poorly resolved in the tropics. In a wet lo...
gDNA (genomic DNA extraction from blood is a fundamental process in many diagnostic, identification and research applications. Numerous extraction methods have been reported and are available commercially. However, there is insufficient understanding of the impact of chemical buffers on DNA yield from either whole or nucleated blood. Moreover, these commercial kits are often costly, constrainin...
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