干旱区生态环境知识资源中心(Arid): AN ASSESSMENT OF THE EXTERNAL RADIOLOGICAL IMPACT IN GRANITES AND PEGMATITE IN CENTRAL EASTERN DESERT IN EGYPT WITH ELEVATED NATURAL RADIOACTIVITY

Arid

DOI	10.1093/rpd/ncq448
	AN ASSESSMENT OF THE EXTERNAL RADIOLOGICAL IMPACT IN GRANITES AND PEGMATITE IN CENTRAL EASTERN DESERT IN EGYPT WITH ELEVATED NATURAL RADIOACTIVITY
	Uosif, M. A. M.1; Abdel-Salam, L. M.2
通讯作者	Uosif, M. A. M.
来源期刊	RADIATION PROTECTION DOSIMETRY
ISSN	0144-8420
出版年	2011
卷号	147 期号:3 页码:467-473
英文摘要	The contents of natural radionuclides (Ra-226, Th-232 and K-40) were measured in investigated samples (granite Gabal Ras Barud, Eastern Desert in Egypt) by using gamma spectrometry (NaI (Tl) 3 ’’ x 3 ’’). The activities of Ra-226, Th-232 series and K-40 are between (3.8+/-0.5 and 172.8+/-1135.1+/-56.8 8.6), (2.3+/-0.3 and 103.8+/-5.2) and (53.1+/-2.7 and 1135.1+/-56.8) Bq kg(-1), respectively. With average total annual dose being only 67.2 mSv y(-1), this value is about 6.72 % of the 1.0 mSv y(-1) recommended by the International Commission on Radiological Protection (ICRP-60, 1990) as the maximum annual dose to members of the public. Geochemical studies revealed that Gabal Ras Barud is formed from a highly fractionated biotite granite, with SiO2 > 75 % and generally enriched in alkali with K/Na > 8 %.
类型	Article
语种	英语
国家	Egypt
收录类别	SCI-E
WOS记录号	WOS:000296925800015
WOS关键词	ROCKS ; SAMPLES
WOS类目	Environmental Sciences ; Public, Environmental & Occupational Health ; Nuclear Science & Technology ; Radiology, Nuclear Medicine & Medical Imaging
WOS研究方向	Environmental Sciences & Ecology ; Public, Environmental & Occupational Health ; Nuclear Science & Technology ; Radiology, Nuclear Medicine & Medical Imaging
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/170260
作者单位	1.Al Azhar Univ, Dept Phys Dept, Fac Sci, Assiut, Egypt; 2.Al Azhar Univ, Dept Geol, Fac Sci, Assiut, Egypt
推荐引用方式 GB/T 7714	Uosif, M. A. M.,Abdel-Salam, L. M.. AN ASSESSMENT OF THE EXTERNAL RADIOLOGICAL IMPACT IN GRANITES AND PEGMATITE IN CENTRAL EASTERN DESERT IN EGYPT WITH ELEVATED NATURAL RADIOACTIVITY[J],2011,147(3):467-473.
APA	Uosif, M. A. M.,&Abdel-Salam, L. M..(2011).AN ASSESSMENT OF THE EXTERNAL RADIOLOGICAL IMPACT IN GRANITES AND PEGMATITE IN CENTRAL EASTERN DESERT IN EGYPT WITH ELEVATED NATURAL RADIOACTIVITY.RADIATION PROTECTION DOSIMETRY,147(3),467-473.
MLA	Uosif, M. A. M.,et al."AN ASSESSMENT OF THE EXTERNAL RADIOLOGICAL IMPACT IN GRANITES AND PEGMATITE IN CENTRAL EASTERN DESERT IN EGYPT WITH ELEVATED NATURAL RADIOACTIVITY".RADIATION PROTECTION DOSIMETRY 147.3(2011):467-473.