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<table border="0" cellpadding="3" cellspacing="1" width="100%" class="forumline"> <tr> <th class="thCornerL" width="22%">Autor</th> <th class="thCornerR">Wiadomość</th> </tr> <tr> <td width="22%" align="left" valign="top" class="row1"><span class="name"><a name=""></a><b>defgf10aj</b></span></td> <td class="row1" valign="top"><table width="100%" border="0" cellspacing="0" cellpadding="0"> <tr> <td width="100%"><img src="http://picsrv.fora.pl/Elveron/images/icon_minipost.gif" width="12" height="9" alt="Post" title="Post" border="0" /><span class="postdetails">Wysłany: Nie 11:34, 20 Lut 2011<span class="gen"> </span> Temat postu: supra for sale Provinces of Anhui and the Soviet U</span></td> </tr> <tr> <td colspan="2"><hr /></td> </tr> <tr> <td colspan="2"><span class="postbody">Provinces of Anhui and the Soviet Union in the underground coal mine environment, the level of radioactivity <br /> <br /> <br />1.1 The amount of phosphate rock mine equipment and methods of radon measurement method measuring instruments produced by the United States DURRIDGE Rad7 type radon monitor, the South China University of radon test chamber. In real-time measurement of surface mining work in the mine air inlet and outlet samples were measured at 50m, and make measurements recorded for each measurement time point 45min. 1.2 Analysis of Phosphate in the measurement of natural radionuclides phosphate method in the work of surface mining, phosphate mining yard in the sample must be at least 5 points above the combined sample} Kun uniform; into the sample bag and seal. Laboratory processing, oven drying, grinding pulverized by 80104) mesh sieve, then dried, said the samples, sealed more than two weeks using} IPGe7 spectrum Fund Project: Ministry of Science and social welfare research subproject (2005DIB1Z087) Author: Center for Disease Control and Prevention of Guizhou Province, Guiyang 550004 author: Li Zhou, male, deputy director of the technicians, research direction: Radiation Protection. �� l �� �� llh �� IlH �� mllmm �� mlllm ~, hi1 �� j �� mllli ~, �� Il-��, Ilk �� �� lH �� -1 'O �� �� ... �� 5 Conclusion Based on the results of surveys and estimates, other aspects of comprehensive information, you can get the following conclusions: (1) Due to time and other constraints, the survey sample and the representativeness of monitoring results have certain limitations. (2) Anhui, Jiangsu provinces, the overall level of radioactivity underground coal mines lower part of the normal background level of radiation, while the coal sample, the radionuclide content of waste rock kind of level is slightly higher than the national average. (3) In recent years various types of coal production conditions have improved, especially in the improvement of ventilation will help reduce radon radon. (4) the complexity of the underground tunnel has great influence on radon concentration, the more complex the roadway, the greater the area the precipitation of radon in the other conditions being equal,<a href="http://www.suprashoesforsale.net" target="_blank" class="postlink">supra for sale</a>, the higher the radon concentration,<a href="http://www.toryburchoutlets.org" target="_blank" class="postlink">tory burch outlet</a>, Miriam (U.S. CANBERRA company) and BH1224y spectrometer (Beijing Nuclear Instrument Factory production) were measured and analyzed. Analysis of phosphate in the determination of natural radionuclides are in the Center for Disease Control and Prevention of Guizhou Province 7 EDS analysis laboratory, the laboratory HW, e 7 low background spectrometer performance and stability, has been responsible for the province of environmental samples 7 spectroscopy, with the Chinese Center for Disease Control and Prevention,<a href="http://www.ghdsglaetteisen.org" target="_blank" class="postlink">ghd glätteisen</a>, organized by the National Radiation Safety comparison, the results are in good agreement. 1.37 level of external exposure dose rate using BH3103AX ~ 7 meter, Beijing Nuclear Instrument Factory, production, test unit is the Institute of Testing Technology of China (Chengdu), the surface of the phosphate rock mining and ore yard on the level of external exposure measurement 7. 1.4 The total water samples a, 8 of radioactivity levels of radioactive water into the mine water and drinking water main. Infiltration of surface water is under the mine flooding, drainage wells discharged from the well outside. Drinking water in the mine workers and local residents to drink mountain spring water. We were in the mine for two-_ ��surface and drinking water reservoir outlet water samples, seal number, back to the laboratory for the total a, 8 radiological analysis. Laboratory analysis was produced by Beijing Nuclear Instrument Factory, a 1217C BH meter low background radiation measurements. 2 Evaluation Model 2.1 phosphate dose assessment of radon in ground phosphate rock for the general pattern of occupational exposure assessment of staff should include four aspects, namely: radon and its daughters due to the effective dose, and to the body of thoron due to the effective dose,<a href="http://www.uggboots-billig.net" target="_blank" class="postlink">ugg boots günstig</a>, the effective radiation dose of 7, �� hi �� I �� �� ��, ih ��, lit, ��, 111 �� 1 ... �� I1 �� ih, �� �� i �� �� �� �� �� �� tl �� �� �� ii �� �� mlt �� Ill �� lllJ �� Ih (5) dose estimates show that the underground _l: for persons exposed to doses far below the dose limit for radiation workers, but some coal mine workers have accepted the dose value close to members of the public dose limit, which requires the relevant departments of the attention. (Including Rong Xi,<a href="http://www.ghdglaetteisen-guenstig.com" target="_blank" class="postlink">GHD glätteisen günstig</a>, Zhou and construction of buildings and other comrades-based study: r death to provide for a lot of convenience to carry out, to express my sincere thanks.) <br /> More articles related to topics： <br /> <br /> <br /> <a href="http://www.ecid.fora.pl/ogolne,1/ugg-pas-cher-with-phosphorus-trichloride-poisoning,23247.html#23243" target="_blank" class="postlink">ugg pas cher With phosphorus trichloride poisoning</a> <br /> <br /> <a href="http://www.wybbbing.com/member/index.php?uid=defgf18of" target="_blank" class="postlink">ghd outlet Occupational stress and work ability of</a> <br /> <br /> <a href="http://bbs.e21.cn/read.php?tid=5688659" target="_blank" class="postlink">christian louboutin pas cher New Year's Day during the Spring Festival food samp</a></span></td> </tr> </table></td> </tr> <tr> <td colspan="2" height="1" class="spaceRow"><img src="http://picsrv.fora.pl/Elveron/images/spacer.gif" alt="" width="1" height="1" /></td> </tr> </table>
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