نتایج جستجو برای: range condition
تعداد نتایج: 960246 فیلتر نتایج به سال:
سازند آب تلخ یکی از مهمترین واحدهای کرتاسه بالایی در شرق حوضه کپه داغ (شمال شرق ایران) است. سازند آب تلخ در برش مورد مطالعه 833 متر ضخامت دارد و لیتولوژی آن شامل شیل، مارن، سنگ آهک ماسه ای، ماسه سنگ آهکی و شیل می باشد. مرز زیرین سازند آب تلخ با سازند آبدراز پیوسته است اما مرز بالایی آن با سازند نیزار بصورت ناپیوستگی فرسایشی است که با یک افق 3 تا 5 سانتی متری از خاک قدیمه همراه می باشد. 113 نمون...
Rangeland condition assessment plays an important role in determining range health and applying appropriate management programs. This study aimed to evaluate the structure and function of a semi-steppe rangeland using Landscape Function Analysis technique (LFA) in different land conditions in western Isfahan province, Iran. For this purpose, 4, 3 and 7 sites in different rangeland condition cla...
The growth of structure from scale-free initial conditions is one of the most important tests of cosmological simulation methods, providing a realistically complex problem in which numerical results can be compared to rigorous analytic scaling laws. Previous studies of this problem have incorporated gravitational dynamics and adiabatic gas dynamics, but radiative cooling, an essential element o...
Fixed-point simulation results are used for the performance measure of inverting matrices by Cholesky decomposition. The fixed-point Cholesky decomposition algorithm is implemented using a fixed-point reconfigurable processing element. The reconfigurable processing element provides all mathematical operations required by Cholesky decomposition. The fixed-point word length analysis is based on s...
Large-scale structures, observed today, are generally believed to have grown from random, small-amplitude inhomogeneities, present in the early Universe. We investigate how gravitational instability drives the distribution of these fluctuations away from the initial state, assumed to be Gaussian. Using second order perturbation theory, we calculate the skewness factor, S3 ≡ 〈δ3〉 / 〈δ2〉2. Here t...
the rationale behind the present study is that particular learning strategies produce more effective results when applied together. the present study tried to investigate the efficiency of the semantic-context strategy alone with a technique called, keyword method. to clarify the point, the current study seeked to find answer to the following question: are the keyword and semantic-context metho...
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