نتایج جستجو برای: ag

تعداد نتایج: 43571  

Journal: :Macromolecular Materials and Engineering 2021

A simple, fast, and cost-effective method to fabricate conductive paths on insulating Ag-containing polyamide 6 (PA6) composites by laser beam treatment is presented in this study. First, Ag-hybrid microparticles (Ag-MP) with a total metal load of up 19 wt% are synthesized based reactive encapsulation strategy utilizing activated anionic polymerization ε-caprolactam solution, the presence Ag na...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده علوم 1392

چندلایه ای های مغناطیسی fe(20?)/ag(x?)/fe(20?) و (fe(20?)/ag(x?)/co(20?)با ضخامت متغیرلایه جداکننده ی ag در ضخامت های 10، 20، 40 آنگستروم توسط تبخیر حرارتی در خلأ، روی بستر سیلیکونی، در دمای اتاق در فشار mbar 7-10×4 لایه نشانی شد. خواص ساختاری xrd و xrr و خواص مغناطیسی توسط vsm و ppms بررسی شدند. نتایج بازتاب پرتو ایکس ساختار تناوبی نمونه ها و افزایش ناهمواری در چندلایه ای fe(20?)/ag(x?)/co(20?...

Amin Arsalan Amin, Mehdad Roghani, Reza Amirtouri,

  Abstract   Introduction: Diabetes mellitus accompanies with disturbances in learning, memory, and cognitive skills in the human society and experimental animals. Considering the beneficial antidiabetic potential of Apium graveolens (AG ), this research study was conducted to evaluate the effect of chronic i.p. administration of AG on learning and memory in diabetic rats using passive avoidanc...

در این پژوهش، نانومواد 2Ag-TiO و Ag-TiO2/GO تهیه و با روش ­های گوناگون مانند XRD، SEM، EDX، Raman و آنالیز BET شناسایی شدند. خاصیت جذب سطحی نمونه های تهیه شده در حذف متیل اورانژ به عنوان آلایندهآلی از محلول­ های آبی مورد بررسی قرار گرفت...

A. Tehranchi, K. Negahban Dehcheshmeh M. Khalifeh

Ag/TiO2 photocatalytic nanoparticles by two methods, the sol – gel using a reducing agent and spattering was produced. Crystalline phase of Titanium dioxide was investigated in both. Ag/Tio2 peak in the sol – gel method at temperatures of 300,500 and 6000c were studied. Ag/TiO2 peak at different temperatures were determined using the spattering. XRD p...

2014
Gia Khuong Hoang Hua Lien Bertier Saman Soltaninejad Monica Höfte

Ninety seven Rhizoctonia isolates were collected from different Brassica species with typical Rhizoctonia symptoms in different provinces of Vietnam. The isolates were identified using staining of nuclei and sequencing of the rDNA-ITS barcoding gene. The majority of the isolates were multinucleate R. solani and four isolates were binucleate Rhizoctonia belonging to anastomosis groups (AGs) AG-A...

In this work the Origanum vulgare leaf extract was used to green synthesis of Ag nanoparticles (NPs) supported on Hazelnut shell as an environmentally benign support. The Ag NPs/Hazelnut shell as an effective catalyst was prepared through reduction of Ag+ ions using Origanum vulgare leaf extract as the reducing and capping agent and Ag NPs immobilization on Hazelnut shell surface in ...

Abedin Vakili, Mahdi Zahedikhorasani, Toctam Sadough,

Introduction: Several studies have indicated that late treatment of aminoguanidine (AG) reduces cerebral ischemic injuries in animal models. However, the effects of early treatment of AG on cerebral ischemic damage are not well understood. This study was designed to evaluate effect of early treatment of AG on cortex and striatum injuries as well as neurological dysfunctions in transient mode...

بتوندی , محمدرضا , زرگر شوشتری , مرتضی , فربد, منصور ,

  The objective of this work is to investigate the effect of Ag nanoparticles as the flux pinning centers. Ag nanoparticles with different particle sizes from 30 to 1000 nm were prepared through the chemical reduction of AgNO3 in an alcohol solution. Then, samples of YBa2Cu3O7-δ superconductors were doped by 1 and 2 weight percentage of Ag nanoparticles with different sizes. Samples were charac...

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