搜索结果: 1-15 共查到“Radon”相关记录124条 . 查询时间(0.14 秒)
NGAOUNDERE AND YAOUNDE, CAMEROON – When Bobbo Hamadou gets up in the morning, he opens the door and window in his house. This is not just to air out his mattress – but to lower the concentration of ra...
Radon Decay Product Aerosols in Ambient Air
Radon Decay products 214Pb 212Pb 210Pb Radioactive aerosols Cascade impactors 1-ACFM AMAD Residence time
2016/3/29
The aerodynamic size distributions of radon decay product aerosols, i.e. 214Pb, 212Pb, and 210Pb were measured using low-pressure
(LPI) as well as conventional low-volume 1-ACFM and high-volume (HVI)...
提出一种基于Radon修正离散线性调频傅里叶变换(Radonmodified discrete chirp Fourier transform,RMDCFT)的空间高速机动目标检测与参数估计的方法。该方法在目标运动参数范围内进行搜索,将目标数据从距离单元〖CD*2〗慢时间域中取出并进行相应匹配变换处理,在补偿回波数据相位并进行相参积累以用于目标检测的基础上同时得到目标速度和加速度的估计结果。〖...
Gas radon emission related to geodynamic activity on Mt. Etna
radon geodynamical precursor Mt. Etna
2015/9/10
We report preliminary observations on possible correlations between anomalies of subsoil radon concentration
and geodynamical events on Mt. Etna. In recent years several studies have been carried out...
Indoor - soil gas radon relationshipin the Central Bohemian Plutonic Complex
radon indoor-bedrock relationship granitoids
2015/9/10
The relationship of indoor radon measurements and radon in bedrock was studied in the granitoid Central Bohemian
Plutonic Complex (CBPC). The indoor data were linked to vectorised geological and rado...
Radon, water chemistry and pollution check by volatile organic compounds in springs around Popocatepetl volcano, Mexic
soil radon water chemistry volcanic activity
2015/9/10
Popocatepetl volcano is a high-risk active volcano in Central Mexico where the highest population density in the country
is settled. Radon in the soil and groundwater together with water chemistry fr...
Radon data processing and outputs for the needs of the State Office for Nuclear Safety (according to the Czech Radon Programme)
radon-indoor-bedrock relationship radon mapping
2015/9/10
Much of the population living in the Czech Republic is exposed to radiation from natural sources, especially to the
radon effect. The aim of geological research defined by the State Office for Nuclea...
Distribution of radon activity in the atmosphere above Wzgórza Niemczansko-Strzelinskie (South-WestPoland) and its dependence on uranium and thorium content in the underlying rock and indirect ground basement
radon atmosphere uranium thorium rock
2015/9/10
Radon activity in the atmosphere and its behavior in the environment have been investigated using LR-115 nuclear
track detector. The complex geological structure of Wzgórza Niemczansko-Strzelinskie (...
Radon and thoron daughter activities in the environment of the King George Island (West Antarctica)
Antarctica radon uranium thorium spectrometry
2015/9/10
Results of 253 gamma spectrometric analyses of radon daughters in soil and bedrocks of the King George Island
(West Antarctica) are presented. Measured values range from 0.1 to 58.4 Bq/kg, and from 4...
Permeability as an important parameter for radon risk classification of foundation soils
permeability radon soil gas transfer factor
2015/9/10
Permeability of soils and rocks for gases is one of the main parameters for final radon risk classification of building
sites. For the improvement of the method for radon risk classification it is re...
A theoretical method for estimating the characteristics of radon transportin homogeneous soil
method radon soil convectiv evelocity radon flux density
2015/9/10
A theoretical method for estimating the characteristics of radon transport in homogeneous soil is developed. The
method allows the following characteristics to be estimated: depth distribution functi...
Water chemistry and soil radon survey at the Poas volcano (Costa Rica)
Poas volcano geochemistry radon precursor
2015/9/10
Radon-in-soil monitoring at the Poas volcano (Costa Rica) has been performed together with water chemistry
from the hot crater lake since 1981 and 1983 respectively. The results are discussed as a fu...
Indoor and soil radon measurements in the Hyblean Foreland (South-East Sicily)
radon uranium indoor air soil gas Hyblean Foreland
2015/9/2
Indoor radon behavior in two sites of SE Sicily was studied as a function of the soil radon concentration. The
chosen locations were Ragusa and Modica towns, placed in the Hyblean Plateau (northern m...
The nexus of soil radon and hydrogen dynamics and seismicity of the northern flank of the Kuril-Kamchatka subduction zone
radon hydrogen seismicity geodeformation wave earthquake
2015/9/2
The comparison of kinematics and dynamic parameters of radon and molecular hydrogen concentration in subsoil
air on the stations network at the Petropavlovsk-Kamchatsky geodynamic proving ground with...
Measuring radon in soil gas and groundwaters: a review
radon soil gas groundwaters earthquake prediction instrumentation
2015/9/2
Instruments for the measurements of radon and its decay products in earthquake research are based mostly on
the detection of alpha particles. The devices and methods used depend on whether the techni...