Results 11 to 20 of about 1,700,069 (268)
Hydrological Study of Groundwater and its Appropriateness for Irrigation [PDF]
Journal of Engineering Research - Egypt, 2021 Irrigation in most countries represents the largest share of all water use. Groundwater is the main water resource after the water of the Nile River in Egypt.
karim h, hussein elsharkawy
doaj +1 more source
Clinical impact of nanophotonic blue-light filtering spectacles based on fullerene C60 and polymethyl methacrylate (PMMA) [PDF]
Vojnosanitetski Pregled, 2021 Background/Aim. Blue light might be harmful to the retina. The nano-material based on fullerene C60 and polymethyl methacrylate (PMMA) transforms the light into harmonized light and absorbs violet, blue, and ultraviolet (UV) wavelength.
Jankov Mirko R. +2 more
doaj +1 more source
Journal of Asian Ceramic Societies, 2022 PbTiO3 nanoplates were synthesized by a two-step hydrothermal method, and ammonia solution was chosen as a pH-adjusting agent. The effect of ammonia concentration in the second-step precursors, Pb-Ti feedstock concentration, reaction temperature, and ...
Guangyuan Yang +5 more
doaj +1 more source
Global Challenges, 2021 In the current COVID‐19 pandemic, wearing masks and hand disinfection are widely adopted hygiene practices. Alcohol‐based sanitizers are commonly used for hand disinfection, however, the alcohol vapors can dissipate the charges on electrostatic filters ...
Weidong He +4 more
doaj +1 more source
Application of a Photocatalyst as an Inactivator of Bovine Coronavirus
Viruses, 2020 Bovine coronavirus (BCoV), a major causative pathogen of bovine enteric and respiratory diseases and a zoonotic pathogen transmissible between animals and humans, has led to severe economic losses in numerous countries.
Nobuki Yoshizawa +5 more
doaj +1 more source
Machine learning for filter pollution control [PDF]
MATEC Web of Conferences, 2020 Modern buildings usually have an air-tight envelope. Therefore mechanical ventilation is very often necessary. A crucial part of the system is the filter, which allows creating an atmosphere that is free of dust, aerosols, and pollen. As organic material
Krause Ralph +4 more
doaj +1 more source
Reducing Melt Surface Turbulence by Employing Surge and Filter in a Conventional Non-Pressurizing Gating System: Simulation and Experiment [PDF]
Archives of Metallurgy and Materials, 2021 Tensile strength of aluminum castings has been improved by employing surge and filter in a conventional non-pressurizing gating system. For this purpose, three non-pressurizing bottom-gating systems were designed where the first design was a simple ...
Amir Baghani +3 more
doaj +1 more source
Cyclic Nonlinear Correlation Analysis for Time Series
IEEE Access, 2022 Principal component analysis (PCA) and kernel PCA allow the decorrelation of data with respect to a basis that is found via variance maximization. However, these techniques are based on pointwise correlations.
Christopher M. A. Bonenberger +3 more
doaj +1 more source
Revista Brasileira de Plantas Medicinais, 2014 Malva sylvestris L. (família Malvaceae), conhecida como malva, é uma espécie medicinal nativa da Europa, cultivada no sul do Brasil. A espécie tem propriedade adstringente, suaviza a irritação dos tecidos e reduz inflamações, entre outras características
M. Filter, E.M. De Freitas, E. Périco
doaj +3 more sources
Micromachines, 2021 Surface acoustic wave (SAW) devices are widely used in many fields such as mobile communication, phased array radar, and wireless passive sensor systems.
Hanqiang Zhang, Hongliang Wang
doaj +1 more source