نتایج جستجو برای: edxrf
تعداد نتایج: 245 فیلتر نتایج به سال:
This study attempts to utilize newly developed machine learning techniques in order develop a general prediction algorithm for agricultural soils Saudi Arabia, specifically the Taif region. Energy dispersive X-ray fluorescence (EDXRF) measurements were used national predictive models that predict concentrations of 14 micronutrients rose farms, providing high-quality data comparable conventional...
This paper describes history and technical evolution of portable devices which use energy-dispersive X-ray fluorescence (EDXRF)-analysis to study works art. The starts in 1971, when the first transportable equipment was employed examine pigments Raphael’s painting “La Deposizione” during restoration at “Istituto Centrale del Restauro” Rome. Then, paintings all types were analyzed metals (bronze...
Energy dispersive X-ray Fluorescence technique has been used to study five rupee indian coins of years 1992,1993,1994,1999,2009,2010,2011 and 2012 for their material/ elemental compositions. EDX-720 spectrometer provided with X-ray tube and Si(Li) detector having energy resolution 165 eV at 5.9KeV Mn K X-ray. Different metal compositions like Cupro-Nickel, NickelBrass and Ferritic Stainless-Ste...
The elemental composition has been extensively used to characterize wine and find correlations with environmental winemaking factors. Although X-ray fluorescence (XRF) techniques offer many advantages, they have rarely for analysis. Here, we show the comparison of results obtained by total reflection (TXRF) energy dispersive (EDXRF) elements K, Ca, Mn, Fe, Cu, Zn, Br, Rb, Sr. TXRF EDXRF additio...
Determination of Formaldehyde from Disposal of Formaldehyde Fixed Biological Specimen Buried in Soil
Biomedical waste specifically anatomical specimens and body parts will be incinerated by a local incineration facility. However, the of formaldehyde fixed specimen from hospitals poses hazardous effect to human environment due an exposure highly toxic gases such as dioxins furans. In addition, this practise is considered non-shariah compliance Muslim community. Thus, safer shariah-compliance op...
The EDXRF technique was used to analyse a selection of archaeological objects from the Paranaense Museum collection (Curitiba, Paraná State, South Brazil). samples were measured in situ at respective museum, using portable PXRF-LFNA-02 system belonging Laboratory Applied Nuclear Physics (LFNA), Department Physics, Londrina State University, Paraná. A total 37 and analysed, which 19 ceramic piec...
The heritage left by the Arab world in history of science is directly related to innovations both manufacturing paper and production ink. Four Moroccan manuscripts dating eighteenth century, conserved at royal library Rabat, have been analyzed X-ray diffraction (XRD), energy-dispersive fluorescence spectrometry (EDXRF), scanning electron microscopy coupled energy dispersive spectroscopy (SEM–ED...
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