نتایج جستجو برای: a1b models in ghaen
تعداد نتایج: 17089224 فیلتر نتایج به سال:
Wheat is a crop with spring and winter types and wide adaptability to different climate conditions. The wide adaptability of wheat is mainly controlled by three groups of genetic factors and among them vernalization (VRN) genes play pivotal role in determining spring and winter types. In this study, 395 Iranian wheat landraces were characterized with specific primer pairs designed based on VRN-...
در مدل های استاندارد dea فرض شده است که مجموع خروجی (ورودی) تابعی خطی از هر خروجی (ورودی) می باشد. در بسیاری مواقع قیمت گذاری خطی ممکن است به اندازه ی کافی تفاوت های میان یک dmu و dmu ی دیگر را بازتاب نکند. از این رو کوک و زو در مقاله ی (piecewise linear output measures in dea) مدل قطعه ای خطی dea را ارائه کردند. در سال 2010، دکتر حسین زاده، رستمی و مقدس در مقاله ی (modified piecewise linear de...
پیشبینی اقلیم آینده در هر نقطهای از زمین، به مدلهای عددی رایانهای که به مدلهای گردش عمومی جو معروفند و اقلیم زمین را مدلسازی میکنند، متکی است. در این پژوهش، دادههای سناریوی b1 و a1b مدلهای bcm2 و hadcm3 برای ارزیابی تأثیر تغییرات اقلیمی بر دمای کمینه و بیشنه، تابش و بارش 12 ایستگاه همدید استان اصفهان توسط مدل آماری lars-wg ریزمقیاس شدند . برای این منظور، سه مرحله واسنجی، صحتسنجی و مدل...
This work presents new climate and emissions scenarios to investigate changes on future meteorology air quality in the U.S. Here, we employ a dynamically downscaled Weather Research Forecasting model coupled with chemistry (WRF/Chem) simulations that use two Intergovernmental Panel Climate Change (i.e., A1B B2) integrated explicitly projected from novel Technology Driver Model (TDM). The 2046–2...
Drug-induced cholestasis is the main type of liver disorder accompanied by high morbidity and mortality. Evidence for the role of hepatobiliary pumps in the cholestasis patho-mechanism is constantly increasing. Recognition of the interactions of chemical agents with these transporters at the initial phases of drug discovery can help develop new drug candidates with low cholestasis potential. Th...
This study describes a simple parameterization to estimate regionally averaged changes in surface ozone due to past or future changes in anthropogenic precursor emissions based on results from 14 global chemistry transport models. The method successfully reproduces the results of full simulations with these models. For a given emission scenario it provides the ensemble mean surface ozone change...
We obtain exact analytic solution for the Green functions and survival probabilities of the reversible, geminate diffusion-influenced reaction A1B↔C1D in Laplace space, and in the time domain for various spatial dimensionalities. The asymptotic behavior ~in one and three dimensions! goes as t, like in the irreversible case, but approach to this limit may occur from either above or below. The im...
Climate models predict a gradual weakening of the North Atlantic meridional overturning circulation (MOC) during the twenty-first century due to increasing levels of greenhouse gas concentrations in the atmosphere. Using an ensemble of 16 different coupled climate models performed for the Fourth Assessment Report (AR4) of the Intergovernmental Panel on Climate Change (IPCC), the evolution of th...
Drug-induced cholestasis is the main type of liver disorder accompanied by high morbidity and mortality. Evidence for the role of hepatobiliary pumps in the cholestasis patho-mechanism is constantly increasing. Recognition of the interactions of chemical agents with these transporters at the initial phases of drug discovery can help develop new drug candidates with low cholestasis potential. Th...
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