نتایج جستجو برای: 1 complex

تعداد نتایج: 3351311  

2016
Jianjun Wang Feiyan Pan Janne Soininen Jani Heino Ji Shen

Climate effects and human impacts, that is, nutrient enrichment, simultaneously drive spatial biodiversity patterns. However, there is little consensus about their independent effects on biodiversity. Here we manipulate nutrient enrichment in aquatic microcosms in subtropical and subarctic regions (China and Norway, respectively) to show clear segregation of bacterial species along temperature ...

Journal: :journal of nanostructures 0
elham boorboor azimi inorganic nanomaterial lab, school of chemistry, college of science, university of tehran, tehran, iran alireza badiei inorganic nanomaterial lab, school of chemistry, college of science, university of tehran, tehran, iran ghodsi mohammadi ziarani department of chemistry, faculty of science, al-zahra university, tehran, iran

tris(3-bromo-acetylacetonato) chromium(iii) as an inert and very stable complex with a good leaving group was synthesized using as-prepared cr(acetylacetonate)3. highly ordered nanoporous silica (lus-1), with some great features, was functionalized with 3-aminopropyltriethoxysilane. then the as-prepared product was modified with tris(3-bromo-acetylacetonato) chromium(iii) under mild reaction co...

Journal: :Acta Crystallographica Section E Structure Reports Online 2006

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی - دانشکده ادبیات و زبانهای خارجی 1391

abstract lexical knowledge of complex english words is an important part of language skills and crucial for fluent language use (nation, 2001). the present study, thus, was an attempt to assess the role of morphological decomposition awareness as a vocabulary learning strategy on learners’ productive and receptive recall and recognition of complex english words. so 90 sophomores (female and ma...

Journal: :Communications in Contemporary Mathematics 2012

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