نتایج جستجو برای: mono disperse nano particle

تعداد نتایج: 244596  

2000
Melissa Orme Qingbin Liu John Fischer

This paper focuses on molten aluminum and aluminum alloy droplet generation for application to net-form manufacturing of structural components. The mechanism of droplet formation from capillary stream break-up provides the allure for use in net-form manufacturing due to the intrinsic uniformity of droplets generated under proper forcing conditions and the high rates at which they are generated....

ژورنال: سلامت کار ایران 2014
باکند, شهناز, رضایی فرد, بهزاد, صدیق زاده, اصغر, علمدار خسرقی, مرضیه, فرشاد, علی اصغر, مرادی, غلامرضا, یاراحمدی, رسول,

  Background and aims: Nano-fibrous mats are one of the unique nonwoven materials that have been recently carried out in nanofiltration industry. The aim of this study was to synthesize nano-fibrous path mats using electrospining method following by determination of their efficiency for nanoaerosols removal. Methods: The efficiency and pressure drop of nano-fibrous mats was measured using nano-...

Journal: :پژوهش های علوم و صنایع غذایی ایران 0
sajedeh bahrani babak ghanbarzadeh hamed hamishekar mahmud sowti khiabani

encapsulation of bioactive ingredient and production of nano carriers in order to food enrichment and production of functional food is one of the applications of nano technology in food science and pharmaceutical. nano carriers are produced using biopolymers (proteins and polysaccharids) or lipid based materials. in this research, production and characterization of pectin-casein nanocomplexes a...

Journal: :The Journal of chemical physics 2012
Sven Dorosz Tanja Schilling

We present a computer simulation study on crystal nucleation and growth in supersaturated suspensions of mono-disperse hard spheres induced by a triangular lattice substrate. The main result is that compressed substrates are wet by the crystalline phase (the crystalline phase directly appears without any induction time), while for stretched substrates we observe heterogeneous nucleation. The sh...

Journal: :international journal of nano dimension 0
s. sadegh hassani catalysis and nanotechnology research division, research institute of petroleum industry, p. o. box: 1485733111, tehran, iran a. rashidi catalysis and nanotechnology research division, research institute of petroleum industry, p. o. box: 1485733111, tehran, iran m. adinehnia catalysis and nanotechnology research division, research institute of petroleum industry, p. o. box: 1485733111, tehran, iran n. montakhab catalysis and nanotechnology research division, research institute of petroleum industry, p. o. box: 1485733111, tehran, iran

this study is focused on synthesis of nano-colloidal silica via alkaline water glass solution. sodium ions of water glass were removed by cation exchanging in a resin column to obtain the silicic acid which was titrated to the solution of sodium silicate. concentration of the colloidal silica and ph value of the solutions were controlled using different concentrations of alkaline sodium silicat...

2012
Hwa Kim Kwangsik Park Moo-Yeol Lee

The biological activity of particles is largely dependent on their size in biological systems. Dispersion in the aqueous phase has been both a critical impediment to and a prerequisite for particle studies. Carbon black has been used as a surrogate to investigate the biological effects of carbonaceous particles. Here, biocompatible methods were established to disperse carbon black into ultrafin...

2015
Metin Kayci Aleksandra Radenovic

Three dimensional single particle trapping and manipulation is an outstanding challenge in various fields ranging from basic physics to life sciences. By monitoring the response of a trapped particle to a designed environment one can extract its characteristics. In addition, quantum dynamics of a spatially scanned well-known particle can provide environmental information. Precise tracking and p...

Journal: :Journal of Advanced Research in Fluid Mechanics and Thermal Sciences 2022

Thermal conductivity is one of the important thermophysical property nanofluid in enhancing heat transfer. To analyse transfer boundary layer problems thermal diffusivity coefficient along with embedded nano particle values will be used via various models. Many models are being utilised for theoretical analysis behaviour such as Maxwell model, Hamilton crosser model etc. In this current communi...

2010
M. PARSI A. R. NOGHREHABADI S. S. BAHRAINIAN

Numerical study of transportation of nano and micro particles in a fully developed turbulent channel flow have been studied. A hybrid method is applied to study this work. The continuous phase is solved in the Eulerian frame. Finite volume method is used to solve steady state conservation of mass and momentum equations. Anisotropy DNS data for turbulent intensities are used in the analysis. The...

2007
Liisa Hakola

During the last couple of years several ink manufacturers have presented metal nano-particle inks for inkjet printing. These inks provide low resistances on plastic and paper substrates, thus enabling manufacturing of high-conductivity conductors that could be used in circuit boards. Inkjet printing of a commercial silver nano-particle ink on paper and plastic substrates has been investigated. ...

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