نتایج جستجو برای: functional impacts
تعداد نتایج: 717400 فیلتر نتایج به سال:
Invasive alien species (IAS) can cause substantive ecological impacts, and the role of temperature in mediating these impacts may become increasingly significant in a changing climate. Habitat conditions and physiological optima offer predictive information for IAS impacts in novel environments. Here, using meta-analysis and laboratory experiments, we tested the hypothesis that the impacts of I...
In this study, the adsorption of 4-hydroxy phenyl-azobenzene on the surface of (4, 0) zigzag open-end boron nitride nanotube (BNNT) has been investigated by quantum calculations. In order to find the preferred adsorption site, different positions and orientations were considered. The impacts of donor-acceptor electron delocalization on the structural and electronic properties and reactivity of ...
In this study, the adsorption of 4-hydroxy phenyl-azobenzene on the surface of (4, 0) zigzag open-end boron nitride nanotube (BNNT) has been investigated by quantum calculations. In order to find the preferred adsorption site, different positions and orientations were considered. The impacts of donor-acceptor electron delocalization on the structural and electronic properties and reactivity of ...
Objectives: The main purpose of this study is to investigate the elderly cognition of functional limitation, activity limitation, mental disorder and social and demographic characteristics (socioeconomic status, education, working status, sex and age) and their impacts on their self-perceived health status. Also to fit the health status data with Johnson and Wolinsky's model and offering a prop...
در قسمت اول، طراحی و ساخت یک سنسور الکتروشیمیایی با انتخابگری بالا با استفاده ازmolecularly imprinted polymer (mip) به عنوان عنصر شناساگر برای داروی مترونیدازول معرفی شده است. mip انتخابگر نسبت به مترونیدازول وnonimprinted polymer (nip) سنتز شدند وسپس در الکترود خمیر کربن قرار گرفتند. این الکترود برای اندازه گیری مترونیدازول با استفاده از روش cathodic stripping voltammetry به کار برده شد. الکتر...
Understanding the impacts of species extinctions on the functioning of food webs is a challenging task because of the complexity of ecological interactions. We report the impacts of experimental species extinctions on the functioning of two food webs of freshwater and marine systems. We used a linear model to partition the variance among the multiple components of the diversity effect (linear g...
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