نتایج جستجو برای: adjusted coefficient of determination

تعداد نتایج: 21177631  

ژورنال: مرتع 2020
Bashiri, Mehdi, Maroosi, Ali,

Identification of climatic characteristics affecting the annual yield of Rheum Ribes can be useful in management and development of this species in the rangelands. In this research, the annual yield of this species in Khorasan-Razavi province based on 74 climatic parameters during a ten-year period evaluated and affecting climatic parameters extracted using data mining methods. First, the role ...

Journal: :Jurnal Paradigma Ekonomika 2022

This study aims to analyze the role of investment credit in banking on economic growth. uses several variables, such as: credit, inflation, human development index, and central bank interest rates. The time span used this is thirty-one years from 1990-2020. quantitative methods. Based results data analysis, it concluded that inflation variable, rate together have a significant effect growth whi...

Journal: :Communications in Statistics - Simulation and Computation 2019

of this Research is the study and evaluation of the relationship between vegetation area and water area with the number of birds in Band-e-Alikhan wetland between 2011 and 2015. Due to the importance of Band-e-Alikhan wetland as a seasonal wetland with fresh water, which is located 35 km south of Varamin city, it has been used as a study area. In the present study, first, the necessary pre-proc...

Journal: :Jurnal Maneksi 2021

This study aims to determine, explain and analyze the effect of asset allocation policies risk levels on performance Islamic mutual funds in Indonesia (Period 2016-2018). The independent variable this is Asset Allocation Policy Risk Level, while dependent Performance Sharia Mutual Funds. sample selection technique used purposive sampling 10 samples funds. method calculate Sharpe Ratio. quantita...

Journal: :محیط زیست طبیعی 0
سادات فیض نیا استاد دانشکده منابع طبیعی، دانشگاه تهران، ایران گلاله غفاری کارشناس ارشد آبخیزداری و عضو گروه پژوهشی مرکز خدمات تخصصی آب و خاک و gis معاونت پژوهش جهاد دانشگاهی واحد کردستان، ایران کیوان کریمی زاده کارشناس ارشد آبخیزداری و عضو گروه پژوهشی مرکز خدمات تخصصی آب و خاک و gis معاونت پژوهش جهاد دانشگاهی واحد کردستان، ایران منیرالسادات طباطبایی زاده دانشجوی کارشناسی ارشد مدیریت مناطق بیابانی، دانشکده منابع طبیعی، دانشگاه تهران، ایران

there is a lack of accurate and correct information about erosion in iran. moreover, there is a big difference between measurements and estimations. sediment is also an important environmental problem which pollutes water physically and chemically and therefore, sediment problem is usually studied as environmental problems. estimation of sediment yield of drainage basins is important for preven...

Journal: :تحقیقات مالی 0
غلامرضا کردستانی دانشیار گروه حسابداری دانشگاه بین¬المللی امام خمینی (ره)، قزوین، ایران سیامک طایفه کارشناس ارشد حسابداری، دانشگاه آزاد اسلامی واحد تهران ¬مرکزی، تهران، ایران

some of inherent limitations of accrual accounting make the actual earnings and accounting earnings different. so assessment of reported earnings quality has allocated extensive bulk of accounting studies to itself. the decrease information quality such as earnings quality increases information risk and also the investor’s risk. it’ll increase their expected return. since cost of equity is the ...

A new analytical approach was developed involving magnetic solid–phase extraction and spectrofluorimetric determination of carvedilol in human plasma samples. A plasma sample was prepared and adjusted to pH 8.2–10, then carvedilol was quickly extracted using iron oxide magnetic nanoparticles modified by the surfactant cetyltrimethylammonium bromide and determined to apply spectrofluorimetry...

Journal: :محیط شناسی 0
میر امید هادیانی مربی گروه محیط زیست، دانشکده منابع طبیعی، دانشگاه آزاد اسلامی، واحد قائم شهر وحید غلامی دانشجوی دکتری آبخیزداری از دانشگاه آزاد اسلامی تهران, واحد علوم و تحقیقات زهرا نژادآذر عضو باشگاه پژوهشگران جوان دانشگاه آزاد اسلامی واحد قائم شهر

there are different methods for controling the flood damages which one of them is flood zoning. in this method, flood zones are determined by simulating river hydraulic behavior and its flood plain for different return periods.in other hand, soil and specially plant coverage are the most effective factor to determine manning roughness coefficient. so it is expected, seasonal plant coverage chan...

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