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نمایش تعداد 1-10 از 18
نانو ذرات مغناطیسی: بخش دوم: حفاظت، عامل دار کردن و کاربرد
بررسی در حال حاضر بر روی حفاظت، عامل دار کردن و کاربرد نانو ذرات مغناطیسی متمرکز شده است. پیشرفت قابل توجهی درکنترل اندازه و شکل نانو ذرات مغناطیسی با توسعه روشهای سنتز مناسب در مقاله قبلی مورد بررسی قرار گرفت. چالش اصلی ...
نانو ذرات مغناطیسی: بخش اول: خواص نانو ذرات مغناطیسی و سنتز آنها
بررسی در حال حاضر بر روی سنتز، حفاظت، عامل دار کردن و کاربرد نانو ذرات مغناطیسی بعلاوه خواص سیستمهای نانو ساختار متمرکز شده است. پیشرفت قابل توجهی درکنترل اندازه و شکل نانو ذرات مغناطیسی با توسعه روشهایی نظیر هم رسوبی، ...
Biomedical Application of Magnetic Nanoparticles: A Review of
Nanoparticles are at the leading edge of rapidly developing field of nanotechnology. Recent successful synthesis of monodispersed magnetic nanoparticles have offered a unique opportunity to control and probe biological ...
Preparation of Pt-Co nanoparticles by galvanostatic pulse electrochemical codeposition on in situ electrochemical reduced graphene nanoplates based carbon paper electrode for oxygen reduction reaction in proton exchange membrane fuel cell
Nanocomposite films of Pt-Co nanoparticles deposited on graphene nanoplate based gas diffusion layer electrode are fabricated via an electrochemical route involving a series of electrochemical process. Pt-Co nanoparticles ...
Increasing the extraction of alpha-amylase from the malted barley by means of ultrasound
In this study, the effects of ultrasound as emerging technology were
investigated on the extraction of alpha-amylase in the mashing process.
All experiments were conducted at 20 KHz on the ultrasonic generator ...
Non-carbonaceous nanostructured support materials for low temperature fuel cell electrocatalysts
Highly dispersed platinum or platinum-based catalysts on a conductive
support are commonly used as electrode materials in low-temperature fuel
cells, particularly the hydrogen PEMFC and the direct methanol ...
Pt catalysts on PANI coated WC/C nanocomposites for methanol electro-oxidation and oxygen electro-reduction in DMFC
In the present study a Pt/PANI/WC/C electrocatalyst was developed to increase the methanol electro- oxidation and oxygen electro-reduction activity and stability of commercial Pt/C electrocatalyst. ...
Influence of ultrasonic stimulation on the germination of barley seed and its alpha-amylase activity
In this study, the influence of ultrasonic stimulation was investigated on the germination of barley and
alpha-amylase activity grains in the dry state before steeping. All experiments have been performed
using ...
Effect of Ultrasonie power on the activity of Barleys Alpha-amylase from post-sowing treate of s
Abstract: In the present study, the effects of ultrasound as emerging technology were investigated on the
alpha-amylase activity of barley seeds after sowing along with the normal watering of seeds. The seeds ...
Oxygen Reduction Reaction Activity Improvement in Cu/PtPd Nanocatalyst Based on Core-Shell Structured through Electrochemical Synthesis on Porous Gas Diffusion Electrodes in Polymer Electrolyte Membrane Fuel Cells
In this paper, a two-step method is developed for efficient preparation of Cu/Pt-Pd core-shell
structured catalyst on Nafion-bonded carbon paper electrodes for a polymer electrolyte membrane
fuel ...