نتایج جستجو برای: range conditions
تعداد نتایج: 1440079 فیلتر نتایج به سال:
in this thesis, a better reaction conditions for the synthesis of spirobarbiturates catalyzed by task-specific ionic liquid (2-hydroxy-n-(2-hydroxyethyl)-n,n-dimethylethanaminium formate), calcium hypochlorite ca(ocl)2 or n-bromosuccinimide (nbs) in the presence of water at room temperature by ultrasonic technique is provided. the design and synthesis of spirocycles is a challenging task becaus...
The range conditions explain its health as a management tool. Obviously, theimplementation of this important assessment requires the most appropriate study methodfor each region. In order to select the most appropriate methods of range conditions inKabirkooh grasslands of Zagros in Iran, five estimation methods (i.e. six-factor, fourfactor,vegetation and soil combination, value of pasture and c...
Abstract. The purpose of this study was to investigate vegetation dynamics and range conditions considering the climatic conditions and soil properties in Haftooman, Khoor and Biabanak deserts, Iran. For this purpose, after determining vegetation types and the associated species, the type of rangeland utilization, grazing season, the livestock type, the other relevant information, vegetation da...
ABSTRACT We present a study of photochemical hazes exoplanet atmospheres based on self-consistent model including haze microphysics, disequilibrium chemistry, and radiative feedbacks. derive the properties required to match Hubble Space Telescope observations 10 hot-Jupiters. HAT-P-12b, HD-189733b, HD-209458b, WASP-6b require mass fluxes between 5 × 10?15 9 10?12 g cm?2 s?1 observations. WASP-1...
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