نتایج جستجو برای: نمدار tilia spp
تعداد نتایج: 52034 فیلتر نتایج به سال:
Günümüzde ağaç malzemenin yapısal veya yarı alanlarda en ekonomik bir şekilde kullanılması kaçınılmaz zorunluluk haline gelmiştir. Ağaç malzemenin; farklı amaçlarda kullanılması, çeşitli deney yöntemleriyle fiziksel ve mekanik özelliklerinin araştırılarak ortaya konulması ile orantılıdır. Bu amaç doğrultusunda ıhlamur (Tilia tomentosa) odununun; radyal, teğet enine yüzeyde statik sertlik değeri...
Knowing the phylogeographic structure of invasive species is important for understanding the underlying processes of invasion. The micromoth Phyllonorycter issikii, whose larvae damage leaves of lime trees Tilia spp., was only known from East Asia. In the last three decades, it has been recorded in most of Europe, Western Russia and Siberia. We used the mitochondrial cytochrome c oxidase subuni...
Tannins are a diverse group of plant phenolic compounds. Condensed tannins (CTs) represent major subgroup and were extracted from tilia (Tilia L.) flowers black locust (Robinia pseudoacacia) leaves. These extracts examined for their effects on the metabolic profile chicken caeca. By using in vitro, nuclear magnetic resonance (1H-NMR), which was combined with multivariate statistics, current stu...
به‌علت عدم آگاهی از درصد سبز شدن و قوه نامیه بذرها، گونه‌های پهن‌برگ بومی ایران نظیر بلوط، زبان‌گنجشک، افرا، نمدار و سایر گونه‌ها معمولآً با تراکم بیشتری کاشته می‌شوند.بنابراین، اغلب نهال‌ها لاغر و از نظر رشد ارتفاعی و قطری نامناسب می‌باشند. چنانچه با تراکم کمتر نیز کاشته شوند، به‌علت کاهش تولید نهال در واحد سطح مقرون به‌صرفه نخواهند بود.جهت دستیابی به یک تراکم آرمانی با داشتن تعداد مناسب نهال د...
Societal Impact Statement Trees are essential to life on earth—playing important economic, ecological and cultural roles. However, the world is facing a biodiversity crisis, be able effectively conserve tree species with limited funds, we need know which threatened. The Global Tree Assessment has addressed this gap in knowledge through accelerating production of International Union for Conserva...
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