نتایج جستجو برای: rad7
تعداد نتایج: 80 فیلتر نتایج به سال:
Across populations, the dominating source of public exposure to radiation is radon gas. In present study, we aimed at determining concentration in water sources from southwest coastal region Peninsular Malaysia. A total 27 samples were taken various which included groundwater, as well hot spring, lake, river, seawater, and tap water; concentrations measured using a RAD7 portable detector. The r...
The availability of affordable continuous radon monitors opens new opportunities for studying the temporal variations indoor and more precise exposure estimates based on actual hours spent in homes workplaces. These applications require tests characteristics, including their response time. A study a promising electronic monitor with high sensitivity, RadonEye Plus2, was conducted. It found that...
چکیده : گاز رادیواکتیو رادن ، ، که از زنجیره ی واپاشی سرچشمه می گیرد از طریق فرایند نفوذپذیری و همرفتی از خاک و صخره ها خارج شده و به هوای بیرون راه پیدا می کند. به منظور بررسی اثر میدان مغناطیسی بر ضریب نفوذپذیری رادن با استفاده از فیلتر کاغذی، سطح جانبی استوانه ای از جنس تفلون سیم پیچی شد و فیلتر های کاغذی در دو قاعده ی آن قرار گرفتند. با توجه به ابعاد استوانه و تعداد سیم پیچ ها در واحد طو...
the presence of radon in drinking water causes health risks associated with exposure from both inhalation and ingestion. since the studies show that faults near the water resources have a critical effect on the concentration of radon, kouhbanan active fault zone, to find water resources with high radon concentration was chosen for the following investigation. water samples were taken from all ...
The activity concentrations of 222Rn were measured in 53 public water supplies underground (50) and surface (3) origin, the relation such with five geological units where these are located, central Ecuadorian Andes, was also explored. These supply drinking to 10 cities, located between 1500 3120 m.a.s.l. experimental setup consisted RAD7 radon detector RAD H2O degassing system. levels groundwat...
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