نتایج جستجو برای: 763 gilan
تعداد نتایج: 2012 فیلتر نتایج به سال:
2014 The rupture problem in a disordered system is investigated through numerical simulations and experiments in a discrete fusewire network. Statistical results on the current distribution and the maximum current as a function of the density of defects in the network are compared with theoretical interpretations. Specific defect interactions (enhancement and screening effects) are emphasized. ...
ethno-musicology is an academic field encompassing various approaches to the study of music that emphasize its cultural, social, material, cognitive, biological, and other dimensions or contexts instead of its isolated ‘sound’ component or any particular repertoire. the term ‘ethno-musicology’ became common in1950, although the emergence of the field can be traced back to the late nineteenth ce...
We studied the modern pollen rain in two different landscapes from Hyrcanian lowland forests up to slopes of Alborz Mountains Gilan province for first time. Pollen traps were installed one year and moss samples collected along altitudinal transects 100 1800 m 2300 elevations. The results counting environmental DNA barcoding (metabarcoding) compared 32 locations. In total, 81 vascular plant spec...
Potassium fixation and release by phillosilicate clay minerals in soils are very important processes influencing the availability of K to plants. This investigation was conducted to determine the potassium fixation capacity and charge characteristics of soil clays of 15 surface soils (0-30 cm) from central and northern Iran. After clay particle separation, both total and tetrahedral cation ex...
In this study, a cheap, novel, ecofriendly and effective nanosorbent was synthesised with natural materials such as sand beach eggshell for diazinon determination in water. The successfully characterised using Fourier transform infrared spectroscopy (FT-IR), X-ray diffraction (XRD), energy dispersive (EDX), field emission scanning- electron microscopy (SEM), vibrating sample magnetometer (VSM) ...
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