نتایج جستجو برای: eggshells

تعداد نتایج: 593  

Journal: :Science 1999
Miller Magee Johnson Fogel Spooner McCulloch Ayliffe

More than 85 percent of Australian terrestrial genera with a body mass exceeding 44 kilograms became extinct in the Late Pleistocene. Although most were marsupials, the list includes the large, flightless mihirung Genyornis newtoni. More than 700 dates onGenyornis eggshells from three different climate regions document the continuous presence of Genyornis from more than 100,000 years ago until ...

Journal: :Bulletin of Chemical Reaction Engineering & Catalysis 2020

Journal: :Materials advances 2023

Gypsum has been synthesized from eggshell by employing three different routes. The observed results revealed that waste is a potential source of valuable inorganic fertilizer which was confirmed the XRD, FT-IR, and SEM data.

Journal: :Journal of natural sciences and mathematics research 2022

The accumulation of plastic waste and excessive use is a common environmental issue in Indonesia. Plastics are synthetic polymers that stable, water-resistant, light, flexible, firm but very difficult to break down by microorganisms. Decomposition burning can cause other issues and, during the combustion process produce dioxin compounds harmful health. An available affordable alternative reduce...

Journal: :International Research Journal of Innovations in Engineering and Technology 2020

Journal: :IOP Conference Series: Earth and Environmental Science 2021

Journal: :Eureka: Physics and Engineering 2022

Duck eggshell contains very high calcium, making it a raw material for hydroxyapatite (HA) biomedical applications. The aim of this study was to synthesize natural HA from duck waste using cleaning, drying, smoothing with smoothness level passing is 200 meshes and heat treatment temperature variations 850 ºC, 900 950 ºC one hour. resulting characterized X-ray fluorescence (XRF), diffraction (XR...

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