نتایج جستجو برای: size structure

تعداد نتایج: 2026477  

Journal: :international journal of nano dimension 0
j. roul university department of pharmaceutical sciences, utkal university, bhubaneswar, odisha, india. s. k. sahoo university department of pharmaceutical sciences, utkal university, bhubaneswar, odisha, india. r. mohapatra university department of pharmaceutical sciences, utkal university, bhubaneswar, odisha, india.

this paper discusses about preparation of biodegradable polymer /clay nanocomposites based on organically modified montmorillonite clay; i.e. cloisite 10a and biodegradable polymer chitosan by solution mixing technique and their characterization. the nanocomposites were successfully prepared and their structures were characterized by powder x-ray diffraction (xrd), particle size analyzer (beckm...

Journal: :journal of nanostructures 0
meisam hasanpoor department of materials science, faculty of engineering, tarbiat modares university, tehran, iran houman fakhr nabavi department of materials science, faculty of engineering, tarbiat modares university, tehran, iran mahmood aliofkhazraei department of materials science, faculty of engineering, tarbiat modares university, tehran, iran

in present study we studied using green routes for microwave assisted synthesis of alumina nanoparticles from aluminum nitrate. it was revealed that when plant extracts are used, no specific stabilizer is needed. structural characterization of nanoparticles was studied using x-ray diffraction that showed semi-crystalline structure for two of plant extracts, other xrd patterns had no significant...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه بیرجند - دانشکده علوم انسانی 1390

in solvo-hydrothermal method, xrd pattern was indicated presence of intermediate of ammonium octatmolybdate and ammonium tetramolybdate, which were changed to stble phase of ?-moo3 annealing. sem images were indicated nanoparticle with semispheical morphology and tem image was demonstrated nanoparticles with a diameter size of 25nm. also in impregnate method. the xrd pattern was shown high crys...

ژورنال: علوم آب و خاک 2019

Saturated hydraulic conductivity (Ks) is one of the most important soil physical characteristics that plays a major role in the soil hydrological behaviour. It is mainly affected by the soil structure characteristics. Aggregate size distribution is a measure of soil structure formation that can affect Ks. In this study, variations of Ks were investigated in various aggregate size distributions ...

Abbas Nowzari-Dalini Fatemeh Zare-Mirakabad Hayedeh Ahrabian Hesamedin Torabi Dashti Nima Aghaeepour,

Background: RNA molecules play many important regulatory, catalytic and structural <span style="font-variant: normal; font-style: norma...

Journal: Journal of Nanoanalysis 2018
Golsoum Afshari Hakimeh Ziyadi,

The preparation of cellulose nanostructures is considered in this paper. Cellulose nanoparticles(nano cellulose) were extracted from cinnamon for the first time. The chemically-induceddestruction strategy based on controlled strong acid hydrolysis treatment was used for dissolutionof lignin and fragmentation of cellulose to nano sized structure. The products werecharacterized by scanning electr...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس 1386

چکیده ندارد.

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید