نتایج جستجو برای: central alborz

تعداد نتایج: 471011  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تحصیلات تکمیلی علوم پایه زنجان - دانشکده علوم زمین 1388

three medium magnitude events happened inside the transitional border of south alborz and central iran; namely kahak-qom 2007/06/18 event with ml 5.6, zanjan 2008/05/27 event with ml 5.3 and aradan-garmsar 2007/11/19 event with ml 5.1. this provides us the opportunity to compute focal mechanism and stress drop of the events and compare them with those events happened within the alborz range.

Journal: : 2022

Investigation of mineralization and fluid inclusions the Lapeh-Zanak copper deposit, Central Alborz zone, Iran

2015

In northern parts of Iran such as the Alborz Mountain belt, frequent landslides occur due to a combination of climate and geologic conditions with high tectonic activities. This results in millions of dollars of financial damages annually excluding casualties and unrecoverable resources. This paper evaluates the landslide susceptible areas in Central Alborz using the probabilistic frequency rat...

Journal: :journal of sciences, islamic republic of iran 2009
m. asgharian rostami

an abrupt global warming event has been recorded in many parts of the world in sediments of latest maastrichtian age between 65.45-65.10 ma. this warm event was documented here at a section near ziyarat-kola in central alborz based on analysis of planktonic foraminifera. an unusual abundance of normally large-size species such as globotruncana arca, globigerinelloides subcarinatus, pseudoguembe...

2002
Yazdan Aghaghiri Farzan Fallah Massoud Pedram

In this paper we introduce a new low power address bus encoding technique, and the resulting code, named ALBORZ. The ALBORZ code is constructed based on transition signaling the limited-weight codes and, with enhancements to make it adaptive and irredundant, results in up to 89% reduction in the instruction bus switching activity at the expense of a small area overhead.

Journal: :journal of rangeland science 2010
mohammad hasan jouri dnyan patil rivandra s. gavali nosrat safaian diana askarizadeh

based on the importance and role of species diversity and richness as ameasurement of the health of an ecosystem; studying of their components can lead toevaluate the health condition of rangeland. this research was carried out in a part ofhighland mountainous rangeland of mount alborz range in iran. diversity and richnesswere assessed as an ecosystem health indicator. the study area was locate...

2014
Abdolali Malmasi Saeedeh Janitabar Mehdi Mohebali Behnaz Akhoundi Nadi Maazi Mehdi Aramoon Narges Khorrami Hesam A Seifi

BACKGROUND A two year seroepidemiological study was designed to find out the seroprevalence and risk factors of canine visceral leishmaniasis (CVL) among stray and owned dogs in Tehran and Alborz Provinces of Iran. METHODS Blood samples of 602 dogs living in 11 counties of Tehran and Alborz Provinces were taken by venipuncture in 2008-2010. After separation of blood sera, anti-leishmanial ant...

Journal: :geopersia 2012
mohsen ehteshami-moinabadi ali yassaghi abdolhossein amini

this paper presents evidence on mesozoic inversion of basin bounding faults within the taleqan-gajereh-lar paleograben (tglp) in central alborz range. for this purpose, well documented stratigraphy data across the tglp together with the new acquired structural data on the geometry and kinematics of the paleograben basin bounding faults are utilized. the tglp has evolved through the early and mi...

Journal: :international journal of environmental research 2011
m. yazdi n. sadati a.a. matkan d. ashoorloo

the siyah bisheh area is located in central part of alborz zone, 40km south of amol, iran. rock units exposing in the area consists of sedimentary (carbonates, sandstone, siltstone), volcano- sedimentary (andesite to andesitic tuff, tuff), ignimbrite and basalt. when erosion and tectonics have rendered volcanic structures undetectable, remote sensing provides an invaluable tool for their ide...

Journal: :caspian journal of environmental sciences 2008
v. gholami m. azodi e. taghvaye salimi

springs are the important water resources, which thier study is necessary in terms of their management and exploitation. in northern iran, the karst springs locate in the central alborz highlands and alluvial springs on the caspian southern coasts.the karst and alluvial springs discharge is variable because of different conditions in terms of aquifer, topography and precipitation .this study ha...

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