نتایج جستجو برای: metamorphic rock and effective dose

تعداد نتایج: 16915678  

2006
ÖMER FARUK ÇELİK MICHEL DELALOYE

The Tauride Belt Ophiolites in southern Turkey are located on both sides of the E–Wtrending, Mesozoic Tauride carbonate platform. They comprise the Lycian, Antalya, Beyşehir, Mersin, Alihoca and Pozantı-Karsantı ophiolites from west to east. Each ophiolite has a metamorphic rock unit either at the base of the peridotites or in the mélange units. The metamorphic sole rocks generally consist of a...

2006
Mikhail Yu. ZOLOTOV Mikhail V. MIRONENKO Everett L. SHOCK

available online at http://meteoritics.org Thermodynamic constraints on fayalite formation on parent bodies of chondrites Mikhail Yu. ZOLOTOV1*, Mikhail V. MIRONENKO2, and Everett L. SHOCK1, 3 1School of Earth and Space Exploration, Arizona State University, Tempe, Arizona 85287–1404, USA 2Vernadsky Institute of Geochemistry and Analytical Chemistry, Russian Academy of Sciences, Kosygin Street ...

حسینی, سید حسین, صادقیان, محمود , قاسمی, حبیب اله , مینگو, جای ,

The Band-e-Hezarchah granitoids mainly include alkali granite and granite. that intruded in Late Neoproterozoic metamorphic rocks. Orthoclase, microcline, plagioclase, quartz and biotite are the main rock-forming minerals. Plagioclase is mostly albite and oligoclase with Si = 2.57-2.7 a.p.f.u. and An0.4–12.6. Biotite is mostly siderophyllite, with Si = 4.30-6.22 a.p.f.u. and XMg= 0.025 - 0.859....

Journal: :IJMIS 2010
Priti Desai Mark Stamp

Abstract: Metamorphic viruses modify their code to produce viral copies that are syntactically different from their parents. The viral copies have the same functionality as the parent but typically have no common signature. This makes signature-based virus scanners ineffective for detecting metamorphic viruses. But machine learning tool such as Hidden Markov Models (HMMs) have proven effective ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده مدیریت و اقتصاد 1391

abstract nowadays, industries cannot play a crucial role in national and international competitions. the tourism industry is no exception. tourism industry development as the most important economic sector and income generation is one of the key challenges of economic development in the world. therefore, countries were successful that take advantage of the capabilities of tourism sector using ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس 1390

abstract:‎ literature is said beautiful words of poetry or prose that excites reader’s or listener’s feel. certainly, to ‎be effective, such a text should have certain characteristics. the four elements of the literature: thought, ‎imagination, emotion and style make a text to be literary and effective. emotion and imagination are ‎specific elements of literary texts, while thought and style a...

رضوی, سید محمدحسین, نصرآبادی, محسن,

The study area is situated in the west of Soltan Abad prom NE Sabzevar (Razavi Khorasan province). There is an exposure of metamorphic complex that contains greenschist, blueschist, amphibolite and eclogite (?) facieses rocks. Gneissic body is located in the middle part of this complex (Koh-e-Chili). Protolith and foliation intensity are variable in this body. Field evidences, whole rock geoche...

2010
Wang-Chun Xu Hong-Fei Zhang Randall Parrish Nigel Harris Liang Guo Hong-Lin Yuan

We present geochronological evidence in the eastern Himalayan syntaxis (Namche Barwa) for high-pressure (HP) granulite-facies metamorphism and explain its importance for understanding both the deep continental subduction of the Indian plate beneath Asia and its subsequent exhumation. The timing of peak and retrograde metamorphism in part constrains these processes but is debated. We present zir...

In this work, we aim to identify the mineralization areas for the next exploration phases. Thus, the probabilistic clustering algorithms due to the use of appropriate measures, the possibility of working with datasets with missing values, and the lack of trapping in local optimal are used to determine the multi-element geochemical anomalies. Four probabilistic clustering algorithms, namely PHC,...

Journal: :iranian journal of radiation research 0
m.b. tavakoli department of medical physics and medical engineering, school of medicine, isfahan university of medical sciences, isfahan, iran g.h fallah mohammadi department of medical physics and medical engineering, school of medicine, isfahan university of medical sciences, isfahan, iran z. fallah mohammadi department of medical physics and medical engineering, school of medicine, isfahan university of medical sciences, isfahan, iran z. shaneh department of medical physics and medical engineering, school of medicine, isfahan university of medical sciences, isfahan, iran

background: high level radiation areas have been recognized on various parts of the earth. mahallat hot spring region is one of these areas. study of exposure in these areas can be helpful in investigating the effects of ionizing radiation. internal and external exposure to the staff was studied. materials and methods: used materials and instruments include: rss-112 ionizing chamber for environ...

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