نتایج جستجو برای: dust fall

تعداد نتایج: 112545  

Dust particles are important atmospheric aerosol compounds. The particles are resulting performance of strong winds at the soil surface desert areas. Sources of dust are 2 types: 1- Natural Resources 2- Human Resources. Iran is located in the desert belt which this problem cause increased the frequency of dust storms, especially in South East (Sistan) and South West. China Meteorological Admini...

1997
E. Grün P. Staubach M. Baguhl D. P. Hamilton H. A. Zook M. Horanyi B. A. Lindblad I. Mann J. A. M. McDonnell G. E. Morfill

Journal: :The Biochemical journal 2005
O Rosenheim T A Webster

Journal: Pollution 2017

Dust particles have dangerous impacts on human health, the environment, and the economy. Recently dust storms, originating from Arabian countries, have increased remarkably, affecting western and central parts of Iran.HYSPLIT model and the mean monthly maps of AAI (Absorbing Aerosol Index), surface skin temperature, and top soil layer moisture from OMI (Ozone Measurement Instrument) have been u...

اولادی قادیکلایی, جعفر, محمدی, جهانگیر, کریمی, مهسا,

Vegetation is one of the most important components of ecosystem, which plays an important role in protecting soil and preventing its rise. So, monitoring and evaluating its changes in planning to control the dust storm is effective. The purpose of this study was to investigate the changes of vegetation in the internal and external dust storm sources of Kermanshah province and dust extension are...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه مازندران - دانشکده علوم پایه 1391

در این پروژه به مطالعه رفتار غیرمنتظره سطح مقطع های همجوشی در انرژی های پایین تر از سد کولنی پرداخته ایم. برای این منظور از واکنش همجوشی یون های سنگین، که در آن ها مقدارq منفی می باشد، استفاده کرده ایم. به طورکلی منظور از رفتار غیرمنتظره، کاهش ناگهانی مقادیرسطح مقطع آزمایشگاهی steep fall offنسبت به مدل های تئوری نظیر آکیوز- وینتر می باشد که دلیل آن را می توان ناشی از یک عامل بازدارنده همجوشی (f...

Journal: :journal of rangeland science 2015
abed zeidali hossein barani mohsen hosseinali zadeh

natural resources have been attracted a great deal of attentions and have been frequently exploited for many years. dust is one of natural disasters mainly in recent years; here, in south west of iran, it had destroyed the rangelands. the dust has detrimental effects on the rangelands, livestock and livestock production. high concentrations of dust may lead to the coughing, nasal discharge, whe...

Journal: :The Astrophysical Journal 2021

Gas-giant planets, such as Jupiter, Saturn and massive exoplanets, were formed via the gas accretion onto solid cores each with a mass of roughly ten Earth masses. However, rapid radial migration due to disk-planet interaction prevents formation planetesimal accretion. Comparably core growth pebble requires very protoplanetary disks because most pebbles fall into central star. Although formatio...

Journal: :محیط زیست طبیعی 0
زینب نادری زاده دانشگاه صنعتی اصفهان شمس الله ایوبی دانشگاه صنعتی اصفهان حسین خادمی دانشگاه صنعتی اصقهان

this study was conducted to assess the concentration of some heavy metals and to examine their contamination hazard in atmospheric dust of urban, industrial and non-urban areas in bushehr province, southwestern iran. fifty dust samples from the leaves of the palm trees and fifty surface soil samples from bushehr and assaluyeh cities as urban and industrial areas, respectively, and also from the...

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