نتایج جستجو برای: solution concentration

تعداد نتایج: 814854  

Journal: :Journal of the Korea Academia-Industrial cooperation Society 2016

Journal: :IOP Conference Series: Materials Science and Engineering 2018

Journal: :Tekstilec 2023

Using the exhaustion-pad-dry-rinse method, chitosan was applied to alkaline-scoured and bleached cotton yarns in a solution with concentrations ranging from 0.2–1% achieve good antimicrobial activity against bacteria Escherichia coli (Gram-negative) Staphylococcus aureus (Gram-positive). Studied samples were also assessed by measuring amount of introduced chitosan, accessible amino groups, mech...

Journal: :علوم و فنون کشت های گلخانه ای 0
نسرین فرزانه n. farzaneh احمد گلچین a. golchin کاظم هاشمی مجد k. hashemi majd

the effects of different levels of nitrogen (100, 200, 300 and 400 mg/l) and potassium (125, 250 and 375 mg/l) on yield and leaf n and k concentrations of tomato were investigated in perlit culture using a factorial randomized design with three replications. the highest fruit yield was obtained with 200 mg/l n. higher levels of nitrogen decreased tomato yield. with increasing nitrogen concentra...

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