945 dwellings Only in a subgroup of 120 dwellings in selected areas in Greece we checked any possible correlation between indoor radon concentration and radium content of the substrate soil but the linear correlation coefficient was very low Key words 222Rn indoor concentration building materials soil survey INTRODUCTION... As a leading global manufacturer of crushing equipment, milling equipment,dressing equipment,drying equipment and briquette equipment etc. we offer advanced, rational solutions for any size-reduction requirements, including quarry, aggregate, grinding production and complete plant plan.
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Processing capacity: 0.2~8 m³/min Applied material: Copper, IronMore Details
Application Area:Building materials, chemicals, fertilizer, metallurgy, mining, refractory, ceramic, steel, thermal power, coal, etc.
Configuration:Jaw crusher, grinding mill, bucket elevator, magnetic vibrating feeder, transmission gear, main engine. Applied Materials:Feldspar, calcite, talc, barite, fluorite, rare earth, marble, ceramics, bauxite, manganese, phosphate rock, etc.More Details
An average contribution of 50 to the PM10 concentration over the region around the burnt area and downwind of the fire source approximately 500 km is calculated with a maximum of 80 whereasMore Details
With 189 member countries staff from more than 170 countries and offices in over 130 locations the World Bank Group is a unique global partnership five institutions working for sustainable solutions that reduce poverty and build shared prosperity in developing countriesMore Details
The evaluation of adsorbent’s distribution coefficient showed that the highest rates of distribution coefficient with initial concentration of 5 10 30 and 50 mgL were 39483 58762 75939More Details
The extracted factors with eigenvalues greater than one are then used in a regression analysis for the prediction of the variable of interest according to the equation 2 Y r ∑ j 1 q m j PC j where Y is the PM 10 concentration m j is the jth regression coefficient PC j is the jth principle component factor q is the number ofMore Details
In the present study the distribution coefficients K d for the abiotic elements sediments and concentration factors CF in marine organisms for 226 Ra and 228 Th are studied in three areas of relatively high natural radioactivity in GreeceMore Details
Nov 18 2008 · Forest fires are a major contributor of atmospheric gaseous and particulate pollutants With respect to forest fires Greece faces one of Europe’s most severe problems during summer To create a forest fire emissions inventory a database which holds data for forest fires in Greece during the period 1997–2003 was established in this study and a methodology for the quantification of bothMore Details
Jan 15 2019 · The ecological risk posed by the simultaneous presence of PTE in sediments evaluated by calculating the Probable Effect Concentration Coefficient PECQ demonstrated that PECQs which were above the critical value of 034 derived mostly from Cr and Ni inputsMore Details
Concentration method 6 was performed under vacuum to approximately 15 ml 10 µl of the quantification standard were added before injection Figure 9 and table 1 show the recoveries and precision for the automated Soxhlet extraction and concentration of the spiked soil samples n11 Good recoveries 80–100 and precisions 26 wereMore Details
b Extreme fine sulfur concentration conditional probability Grand Canyon National Park 47 76 Extreme fine sulfur concentration source contribution Rocky Mountain National Park 47 77 Extreme fine sulfur concentration source contribution Chiricahua National Monument 48More Details