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1641
Determination of the levels of some selected metals in ocimum lamiifolium in Wolaita Zone, Southern Ethiopia
Published 2022-10-01“…The aim of the present study on this medicinal plant was to determine the levels of heavy and trace metals in the leaves using the flame atomic absorption spectrometer (FAAS), which is nov AA model. …”
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1642
Enhancing adsorption efficiency for camouflage clothing through activated carbon and inorganic composite coatings
Published 2025-06-01“…The process’s protective efficacy was analyzed by a scanning electron microscope (SEM), examining pore size distribution, UV–Vis NIR, and atomic adsorption spectroscopy (AAS). SEM images of military camouflage texture treated with activated carbon, Talc, TiO2 and Bentonite in 50x, 100x, 200x, 400x, 800x and 1,000x magnifications reveal composite materials between powder materials and binder composites in the camouflage texture, arranged in an organized amorphous configuration. …”
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1643
Performance of PMMA/Ta2O5 Composites as Medical Radiation Shielding: WinXCom and MCNP6 Studies
Published 2024-12-01“…The present study investigated the radiation attenuation properties of PMMA/Ta₂O₅ composites about shielding coefficients, including mass attenuation coefficients (MAC), half-value layer (HVL), and effective atomic number (Zeff). The findings indicated that all composites demonstrated enhanced shielding performance compared to pure PMMA. …”
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1644
High Energy X-Ray Detection by MicroPattern Gaseous Detector
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1645
Effectiveness of Apple Cider Vinegar Immersion with and Without Mother as a Decrease in Lead (Pb) Levels in Green Mussels (Perna viridis)
Published 2024-12-01“…The sample is prepared by drying the sample in the oven and extracting the sample using wet destruction so that a clear liquid is obtained that can be measured using an atomic absorption spectrophotometer. The results showed that the average lead levels sample soaked by apple cider vinegar with mothers were 0.219 mg/L, 0.103 mg/L, 0.088 mg/L, without mothers were 0.205 mg/L, 0.173 mg/L, 0.125 mg/L. …”
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1646
Relative Susceptibilities of ABO Blood Groups to Plasmodium falciparum Malaria in Ghana
Published 2016-01-01Get full text
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1647
Evaluating the Nutritional and Safety Aspects of Pyracantha coccinea: Antioxidant Activity, Mineral, and Heavy Metal Content
Published 2025-01-01“…Inductively Coupled Plasma Optical Emission Spectrometry (ICP-OES), Atomic Absorption Spectroscopy (AAS), and Gerthard Dumatherm techniques were used to determine the mineral and nutrient composition of the plant. …”
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1648
Insight into unusual complex thermodynamical behaviour of citric acid and ethanolamine solution
Published 2025-01-01“…Its respective inter and intramolecular ‘hydrogen’ atoms remain the key reason for this effect. Results of rheometry, Raman, proton nuclear magnetic resonance (1HNMR), photoluminescence (PL) spectroscopy, and thermogravimetric analysis (TGA) of this fluid confirmed this phenomena, collectively. …”
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1649
A Comparison Study of Chemical Compositions and Sources of PM1.0 and PM2.5 in Hanoi
Published 2021-07-01Get full text
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1650
Ab Initio Molecular Dynamics Simulations and Vibrational Frequency Calculations of Species in Liquid-Liquid Phase Separated MgSO4 Solution at 543 K
Published 2024-01-01“…Furthermore, bidentate Mg-SO4 ligand is less stable than monodentate ligands at 543 K by applying free energy calculations. Our findings give atomic level recognition of concentrated phase in liquid-liquid phase separated MgSO4 fluids and theoretical explanation of the 980 cm-1 Raman peak shifting, which will further inspire understandings on nucleation processes of hydrated sulfate minerals and Raman spectra resolving of other sulfate systems.…”
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1651
Promotion Effect of CaO Modification on Mesoporous Al2O3-Supported Ni Catalysts for CO2 Methanation
Published 2016-01-01“…CO2-TPD and H2-TPD results suggested that CaO can change the environment surrounding of CO2 and H2 adsorption and thus the reactants on the Ni atoms can be activated more easily. The modified Ni/Al2O3 showed better catalytic activity than pure Ni/Al2O3. …”
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1652
Quaternion modeling of the helical path for analysis of the shape of the DNA molecule
Published 2018-01-01“…Alternatively, desired base pair parameters can be computed based on publicly available information about atomic DNA structures. Further, taking the base pairs as rigid bodies, their relative location in space can be estimated based on these parameters. …”
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1653
Gaussian mixtures closest to a given measure via optimal transport
Published 2024-11-01“…Moreover if the mixing measure is atomic with finite support, its components can sometimes be extracted from an optimal solution at some semidefinite relaxation of the hierarchy when Curto & Fialkow’s flatness condition holds for some moment matrix.…”
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1654
Evolution of Residual Stress, Crystal Orientation, and Texture on Preheating Weld Treatment of Low Carbon Steel ASTM A572 Grade 42
Published 2024-02-01“…The texture was influenced by plastic deformation due to atomic structure and its dislocation.…”
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1655
High-Electron-Mobility SiGe on Sapphire Substrate for Fast Chipsets
Published 2015-01-01“…NASA Langley has successfully grown highly ordered single crystal rhombohedral epitaxy using an atomic alignment of the [111] direction of cubic SiGe on top of the [0001] direction of the sapphire basal plane. …”
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1656
Evaluating the Effect of Active Charcoal-Containing Toothpaste on Color Change, Microhardness, and Surface Roughness of Tooth Enamel and Resin Composite Restorative Materials
Published 2023-01-01“…Two samples of each group were prepared for surface roughness assessment via atomic force microscope. Data were analyzed by Shapiro–Wilk, Independent sample t-test and Mann–Whitney U tests. …”
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1657
Effects of Vacancy Cluster Defects on Electrical and Thermodynamic Properties of Silicon Crystals
Published 2014-01-01“…The results can be ascribed to the formation of a defect level produced by the dangling bonds, floating bonds, or high-strain atoms surrounding the VC defects. The appearance of imaginary frequencies in the phonon spectrum of defective Si crystals indicates that the defect-region structure is dynamically unstable and demonstrates phase changes. …”
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1658
He-Plasma Jet Generation and Its Application for E. coli Sterilization
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1659
Syntheses, Spectral Characterization, and Antimicrobial Studies on the Coordination Compounds of Metal Ions with Schiff Base Containing Both Aliphatic and Aromatic Hydrazide Moieti...
Published 2013-01-01“…They are active against gram-positive bacteria (S. aureus, B. subtilis), gram-negative bacteria (E. coli, P. aeruginosa), and yeast (S. cerevisiae, C. albicans). 1 acts as a dibasic tridentate ONO donor ligand in 2–7 coordinating through its both enolic O and azomethine N atoms. The coordination compounds 2 and 3 are paramagnetic, while rest of the compounds are diamagnetic. …”
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1660
Natural enrichment of chromium and nickel in the soil surrounds the karst watershed
Published 2021-07-01“…METHODS: The total concentrations of chromium and nickel were determined using the Flame Atomic Absorption Spectrophotometer. This study used contamination factor, geo-accumulation index, and pollution load index to evaluate soil enrichment status. …”
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