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The liquid scintillator (LS) has been widely utilized in the past, running and future neutrino experiments, and requirement to the LS radio-purity is higher and higher. The water extraction is a powerful method to remove soluble radioactive…

Instrumentation and Detectors · Physics 2016-09-21 Wei Hu , Jian Fang , Boxiang Yu , Xuan Zhang , Li Zhou , Xiao Cai , Lijun Sun , Wanjin Liu , Lan Wang , Junguang Lv

Aerosolized droplets play a central role in the transmission of various infectious diseases, including Legionnaire's disease, gastroenteritis-causing norovirus, and most recently COVID-19. Respiratory droplets are known to be the most…

The evaporation of drops of water placed at the center of long poly(methyl methacrylate) microfluidic channels with a rectangular cross section of 0.38 mm2 is studied by simultaneously monitoring the shapes of two samples, one is in a 300…

The Brazilian Multipurpose Reactor (RMB) is a fundamental project that aims to turn Brazil into a self-sufficient country in the production of radioisotopes and radiopharmaceuticals to supply the Unified Health System (SUS) as much as the…

Instrumentation and Detectors · Physics 2022-12-29 Alexandre P. S. Souza , Luiz P. de Oliveira , Frederico A. Genezini , Adimir dos Santos

Many cities are expanding in areas with scarce rainfall and limited water retention capacity, and are also becoming elongated and sprawled, making it harder to deliver services. This study quantifies the impact of urban form on access to…

Physics and Society · Physics 2025-08-19 Rafael Prieto-Curiel , Pavel Luengas-Sierra , Christian Borja-Vega

In order to reduce backgrounds from radon-daughter plate-out onto detector surfaces, an ultra-low-radon cleanroom is being commissioned at the South Dakota School of Mines and Technology. An improved vacuum-swing-adsorption radon mitigation…

Instrumentation and Detectors · Physics 2015-09-02 J. Street , R. Bunker , C. Dunagan , X. Loose , R. W. Schnee , M. Stark , K. Sundarnath , D. Tronstad

$^{222}$Rn is a noble radioactive gas produced along the $^{238}$U decay chain, which is present in the majority of soils and rocks. As $^{222}$Rn is the most relevant source of natural background radiation, understanding its distribution…

Aims. We investigate the ortho-water abundance in outflows and shocks in order to improve our knowledge of shock chemistry and of the physics behind molecular outflows. Methods. We have used the Odin space observatory to observe the…

An important background in detectors using liquid xenon for rare event searches arises from the decays of radon and its daughters. We report for the first time a reduction of $^{222}$Rn in the gas phase above a liquid xenon reservoir. We…

Instrumentation and Detectors · Physics 2017-04-05 S. Bruenner , D. Cichon , S. Lindemann , T. Marrodán Undagoitia , H. Simgen

Nowadays, particulate matter, especially that with small dimension as PM10, PM2.5 and PM1, is the air quality indicator most commonly associated with a number of adverse health effects. In this paper it is analyzed the impact that a natural…

Atmospheric and Oceanic Physics · Physics 2020-05-14 A. Cuspilici , P. Monforte , M. A. Ragusa

Managing municipal solid waste in rapidly urbanizing Sub-Saharan Africa remains challenging due to dispersed informal dumping and limited high-resolution datasets for spatial monitoring. We present an open-access deep learning model for…

Nitrate is an important pollutant in drinking water worldwide, and a number of methods exist for the removal of nitrate from water including ion exchange and reverse osmosis. However, these approaches suffer from a variety of disadvantages…

Chemical Physics · Physics 2017-06-20 James W. Palko , Diego I. Oyarzun , Byunghang Ha , Michael Stadermann , Juan G. Santiago

The influence of the interlayer cations, sonication and grinding on surface area of the vermiculite from Santa Olalla has been studied. For untreated samples the surface area increases with the size of the exchanged cation and only the…

When the residents of Flint learned that lead had contaminated their water system, the local government made water-testing kits available to them free of charge. The city government published the results of these tests, creating a valuable…

Machine Learning · Computer Science 2017-07-07 Alex Chojnacki , Chengyu Dai , Arya Farahi , Guangsha Shi , Jared Webb , Daniel T. Zhang , Jacob Abernethy , Eric Schwartz

Arsenic (As) and other toxic elements contamination of groundwater in Bangladesh poses a major threat to millions of people on a daily basis. Understanding complex relationships between arsenic and other elements can provide useful insights…

Applications · Statistics 2021-11-29 Indranil Sahoo , Arnab Hazra

We present the result of a preliminary assessment of radio-frequency radiation exposure from selected mobile base stations in Ajaokuta environs. The Power density of RF radiation within a radial distance of 125m was measured. Although…

Medical Physics · Physics 2013-06-07 P. O. Ushie , Victor U. J. Nwankwo , Ayinmode Bolaji , O. D. Osahun

Due to the wider usage of electrical and electronic products throughout the country, Electronic waste (E-waste) is growing and creating problems. E-waste contains toxic materials which may cause severe health risk and environmental damage.…

Computers and Society · Computer Science 2018-09-27 S. M. Rezaul Karim , Shariful Islam Sharif , Md. Anisur Rahman Anik

Dose-Response Functions (DRFs) are widely used in estimating corrosion and/or soiling levels of materials used in constructions and cultural monuments. These functions quantify the effects of air pollution and environmental parameters on…

A parametric study of an underwater pulsed plasma discharge in pin-to-pin electrode configuration has been performed. The influence of two parameters has been reported, the water conductivity (from 50 to 500 $\mu$S/cm) and the applied…

Air pollution poses a significant threat to public health and well-being, particularly in urban areas. This study introduces a series of machine-learning models that integrate data from the Sentinel-5P satellite, meteorological conditions,…

Machine Learning · Computer Science 2024-05-31 Giacomo Blanco , Luca Barco , Lorenzo Innocenti , Claudio Rossi