نتایج جستجو برای: tilia americana
تعداد نتایج: 8471 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...
After feeding of 24-epi-castasterone to the cockroach Periplaneta americana an organ-specific epimerization of the brassinosteroid to 2,24-diepi-castasterone could be detected in female insects. The metabolite being observed only in the ovaries and not in the testes of the insect was identified by GC/MS in comparison with a synthesized authentic sample. Contrary, 24-epi-brassinolide is not meta...
321 honey samples from Switzerland were collected. The botanical authenticity of 176 honey samples was confirmed by the determination of electrical conductivity, sugar composition, pH-value, free acidity, and microscopical pollen analysis [2], as well as the sensory evaluation by three experts. The honey samples were assigned to one of the following groups: floral honeys from acacia (Robinia sp...
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