ویراساینس
جستجوی رایگان در بیش از ۳۰ میلیون مقاله، پایان‌نامه و سند علمی فارسی و انگلیسی
تازه‌ترین‌ها
Conjoint analysis and entrepreneurship: towards a paradigm shift
IMPACT OF MORINGA Oleifera EMPTY POD EXTRACT ON GROWTH PERFORMANCE AND ECONOMIC OF PRODUCTION OF BROILER CHICKENS AT FINISHER PHASE
The study was carried out to determine the impact of Moringa oleifera empty pod (MOEP) extract on growth performance and feed cost benefit of broiler chickens at finisher phase (4-6 weeks). Sixty unsexed three weeks broiler chickens with average weight of 479.13+0.09 were randoml
Analysis of alpha-s1 casein (CSN1S1) gene polymorphisms among selected indigenous cattle breeds
Milk protein genes, particularly the alpha-S1 casein (CSN1S1) gene, play an important role in determining milk yield, composition and processing properties in cattle. Earlier studies have characterized CSN1S1 polymorphisms in exotic dairy breeds. However, information on CSN1S1 va
Morphometric divergence and allometric growth reveal phenotypic stock structure in Wallago attu across three barrages of the Indus River, Pakistan
Wallago attu (Bloch & Schneider, 1801), an economically valuable silurid catfish species, is extensively harvested from South Asian river systems. However, information on stock levels in the Indus River population in Pakistan remains limited. This study examined morphological dif
ماگماتیسم مزوزوئیک در منطقه تل بارگاه سرگدار، شرق داراب، جنوب ایران
The Tal Bargah-Sargdar area is located in southern Iran, east of Darab in Fars province and on the border of the Sanandaj-Sirjan and Zagros-over thrust zones. The major rock units in the studied area include basic and rarely acidic volcanic rocks, intruded by gabbroic and gabbrod
بررسی پتروفیزیکی، ساخت مدل ژئومکانیکی یک‌بعدی و تعیین پنجره ایمن گل حفاری در سازند ایلام یکی از میادین جنوب غرب ایران
Investigation of the reservoir and mechanical properties of formations – including permeability calculation, reservoir zonation, and construction of geomechanical models – is among the essential requirements of petroleum engineering studies in all disciplines. Given the significa
ماگماتیسم بازالتی آلکالن کواترنری در گستره سرایجوق (کمربند سنندج سیرجان): شواهدی از ذوب بخشی‌درجه پایین گوشته لیتوسفری و تکامل چندمرحله‌ای ماگما بر پایه ژئوشیمی سنگ‌کل و کلینوپیروکسن
The volcanic rocks of the Saraijugh area, located in the Sanandaj–Sirjan Zone (SSZ), were investigated to constrain their geochemical characteristics, crystallization conditions, and petrogenesis. These rocks are geochemically classified as alkaline basalts to trachybasalts. Low
بهینه‌سازی، مدل‌سازی و ارزیابی ذخیره کانسار پلی‌متال عشوند (مس-طلا و آهن)
The Oshvand copper-gold-iron polymetallic deposit is located 10 km east of Nahavand city, Hamedan, in the Sanandaj-Sirjan metallogenic belt. The oldest rock units in the area are Permian carbonate units. The felsic granitoid with granite, granodiorite to quartz monzonite are the
نگرشی بر ویژگی¬های ایزوتوپی آهک سیف‌آباد واقع در استان اردبیل: رهیافتی بر محیط تشکیل
The Seif Abad mine is located between Ardabil and Namin, 25 km northeast of Ardabil, near the village of Seif Abad. The study area is located in the Alborz-Azerbaijan zone on the Cenozoic volcanic belt. The rock is composed of thick to massive, milky white to light cream crystall
مهاجرت حوضه پیش بوم طی فاز اصلی کوهزایی زاگرس: مطالعه موردی در ناحیه بالارود )شمال فروافتادگی دزفول(
A foreland basin is an elongated depression situated between a mountain belt and a stable craton, formed alongside the deformation from plate convergence. The Dezful Embayment, as a part of the Neogene foreland basin related to the Zagros orogen, illustrates this interaction. The
Surface-Oriented Bibliometric Review of Chemically and Magnetically Activated Biomass for Dye and Heavy-Metal Adsorption
Effects of Biochar on Soil Greenhouse Gas Emissions: A Comparative Study of Pristine, Freeze-Thaw Aged, and Magnesium-Modified Biochar