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18.518  Articles
1 of 1.853 pages  |  10  records  |  more records»
A two-dimensional numerical model for radon transport based on the finite difference time domain (FDTD) method have been developed. The model is governed by the radon transport equation taking into account the mechanisms of diffusion, advection, and decay... see more

In this work, an efficient algorithm, using a finite-difference time-domain (FDTD) technique, is proposed for modeling the variation of radon concentration as a function of soil structure parameters and vice versa. The development of the FDTD model is bas... see more

A theoretical method for estimating the characteristics of radon transport in homogeneous soil is developed. Themethod allows the following characteristics to be estimated: depth distribution function of the soil gas radon concentration,equilibrium radon ... see more

We propose a new technique to prepare statistically-robust benchmarking data for evaluating chemical transport model meteorology and air quality parameters within the urban boundary layer. The approach employs atmospheric class-typing, using nocturnal rad... see more

This work studies the concentration of radon in soil around a fault in the East Franklin Mountains in the El Paso area in West Texas. It is found that the in-soil production of radon is correlated to the existence of a fault even if it has not had any rec... see more

Radon is a naturally occurring radioactive gas which tends to concentrate indoors, easily emanates from the ground into the air, where it disintegrates and emits radioactive particles. It can enter the human body through breathing or ingesting mostly wate... see more

Background: The potential hazards of exposure to radiation from radon have been of great concern worldwide, as it is associated with an increased risk of lung cancer. Radon (222Rn) and its progeny are the main sources of radioactivity in the environment. ... see more

On August 24, 2016, a Ml=6.0 earthquake occurred in Central Apennines, Italy, between the towns of Norcia and Amatrice, causing severe destruction and casualties in a wide area around the epicenter. We present a preliminary analysis of continuous radon co... see more

RESUMEN:Se llevo a cabo un muestreo de gas del suelo y determinacion, en el lugar, de Hg y Rn en Cachinal, en el norte de Chile, donde toda expresion geoquimica convencional de la mineralizacion de Ag en profundidad es obscurecida por la contaminacion pro... see more

1 of 1.853 pages  |  10  records  |  more records»