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The results of mentioned physicochemical and biological analysis show that in more polluted sampling points, the number of resistance benthos (Bivalves) are more than other points of the study area. Heavy metal concentration in sediment is…

Atmospheric and Oceanic Physics · Physics 2020-10-12 S. Mostafa Haghshenas

We investigate the radiolysis of liquid water confined in a porous silica matrix by means of an event-by-event Monte Carlo simulation of electron penetration in this composite system. We focus on the physical and physicochemical effects…

Materials Science · Physics 2016-12-28 H. Ouerdane , B. Gervais , H. Zhou , M. Beuve , J. -Ph. Renault

This study develops low radioactive molecular sieves (MS) for ultra-low background particle physics experiment. The manufactured MS is of type 4A. $^{226}$Ra and $^{232}$Th have concentrations of about 57 and 198 mBq/kg, respectively,…

Instrumentation and Detectors · Physics 2020-04-22 H. Ogawa , K. Abe , M. Matsukura , H. Mimura

Tiwari {\it et al.}\ have identified an annual modulation of the $\gamma$-ray flux at the Soudan Underground Laboratory which is strongly correlated to the radon concentration. The $\gamma$-ray flux results from ($\alpha$,$\gamma$)…

Nuclear Theory · Physics 2020-05-20 Peter Mohr

The injection of CO$_2$ into underground reservoirs provides a long term solution for anthropogenic emissions. A variable injection method (such as ramping the flow rate up or down) provides flexibility to injection sites, and could…

Fluid Dynamics · Physics 2023-07-27 Catherine Spurin , Sharon Ellman , Tom Bultreys , Hamdi Tchelepi

Atmospheric pollution remains one of the major public health threat worldwide with an estimated 7 millions deaths annually. In Africa, rapid urbanization and poor transport infrastructure are worsening the problem. In this paper, we have…

Atmospheric and Oceanic Physics · Physics 2022-08-29 Paterne Gahungu , Jean Remy Kubwimana , Lionel Jean Marie Benjamin Muhimpundu , Egide Ndamuzi

Rivers and canals flowing through cities are often used illegally for dumping the trash. This contaminates freshwater channels as well as causes blockage in sewerage resulting in urban flooding. When this contaminated water reaches…

Computer Vision and Pattern Recognition · Computer Science 2020-07-10 Mohbat Tharani , Abdul Wahab Amin , Mohammad Maaz , Murtaza Taj

For suitable kernels on a locally compact space $X$, we develop a theory of inner balayage of quite general Radon measures $\omega$ (not necessarily of finite energy) to arbitrary $A\subset X$. In the case where $A$ is Borel, this theory…

Classical Analysis and ODEs · Mathematics 2024-06-27 Natalia Zorii

In 1956, H.L. Kusnetz proposed a quick method for radon progeny concentration measurement in mine atmosphere using a single gross-alpha count of a membrane-filtered air. The method is still widely used today and is based on a number of…

Instrumentation and Detectors · Physics 2022-01-05 Omar Nusair

Urban metabolism is an active field of research that deals with the estimation of emissions and resource consumption from urban regions. The analysis could be carried out through a manual surveyor by the implementation of elegant machine…

Computer Vision and Pattern Recognition · Computer Science 2023-01-09 Shaswat Mohanty , Anirudh Vijay , Shailesh Deshpande

An extensive series of neutron diffraction experiments and molecular dynamics simulations has shown that mixtures of methanol and water exhibit extended structures in solution despite the components being fully miscible in all proportions.…

Soft Condensed Matter · Physics 2009-11-10 L. Dougan , S. P. Bates , R. Hargreaves , J. P. Fox , J. Crain , J. L. Finney , V. Reat , A. K. Soper

The concentration of biochemical oxygen demand, BOD5, was studied in order to evaluate the water quality of the Igap\'o I Lake, in Londrina, Paran\'a State, Brazil. The simulation was conducted by means of the discretization in curvilinear…

The amount of radioactive impurities contaminated in the detector gases is required to be kept at a very low level for rare event particle physics such as dark matter and neutrino observation experiments. Zeolite is a well-known class of…

Instrumentation and Detectors · Physics 2023-11-27 Hiroshi Ogawa , Kenta Iyoki , Minoru Matsukura , Toru Wakihara , Ko Abe , Kentaro Miuchi , Saori Umehara

Polyethylene and copper samples were exposed to the underground air at SNOLAB for approximately three months while several environmental factors were monitored. Predictions of the radon-daughter plate-out rate are compared to the resulting…

Instrumentation and Methods for Astrophysics · Physics 2017-11-15 Matthew Stein , Dan Bauer , Ray Bunker , Rob Calkins , Jodi Cooley , Ben Loer , Silvia Scorza

Bitumen extraction for the production of synthetic crude oil in Canada's Athabasca Oil Sands industry has recently come under spotlight for being a significant source of greenhouse gas emission. A major cause of concern is methane, a…

Applications · Statistics 2025-11-07 Esha Saha , Oscar Wang , Amit K. Chakraborty , Pablo Venegas Garcia , Russell Milne , Hao Wang

Some of the important critical parameters for assessing the water quality like pH (Hydrogen ion concentration), DO (Dissolved Oxygen), BOD (Biological Oxygen Demand), etc., were monitored at different locations in some major Indian rivers.…

Physics and Society · Physics 2023-03-15 Amardeepak Mahadikar , Krishna Anand , Chandra S. Reddy

Mobile phone based potable water quality assessment device is developed to analyze and study water pollution level at Indus river. Indus river is habitat of endangered Indus river dolphin and water pollution is one of major causes of…

Computers and Society · Computer Science 2017-12-27 Sanaullah Manzoor , Farhan Ahmad , Suleman Mazhar

The objective of this work was to know the amount and frequency with which the people of Arandas in the Altos de Jalisco region use disposable cups and then know how willing they are to use edible cups made with natural gelatin. In this…

General Economics · Economics 2021-01-05 Guillermo José Navarro del Toro

One of the biggest environmental problems of our time is the increase in illegal landfills in forests, rivers, on river banks and other secluded places. In addition, waste in rivers causes damage not only locally, but also downstream, both…

Computer Vision and Pattern Recognition · Computer Science 2023-03-28 Dávid Magyar , Máté Cserép , Zoltán Vincellér , Attila D. Molnár

Currently, space debris represents a threat for satellites and space-based operations, both in-orbit and during the launching process. The yearly increase in space debris represents a serious concern to major space agencies leading to the…

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