نتایج جستجو برای: scanning electron micrograph sem
تعداد نتایج: 455920 فیلتر نتایج به سال:
یکی از مهمترین فاکتورهای تولید قیمت تمام شده میباشد, به این منظور از نانو فیلر پرداخت نشده استفاده شده و همینطور برای مخلوط کردن نانو به صورت یکنواخت در نمونه از دستگاه مخلوط کن با سرعت بالا همراه با دستگاه ultrasonic استفاده شده است. از آنجایی که چگونگی مخلوط شدن نانو داخل اپوکسی دارای اهمیت بالایی میباشد, برای مشاهده چگونگی مخلوط شدگی نانو داخل اپوکسی از عکسهای میکروسکوپی sem ( scanning elec...
synthesis, characterization and thermal study of poly (methyl methacrylate)-co3o4 nanocomposite film
nanosized metal oxides dispersed polymer composites constitute a fascinating class of polymer composite materials. synthesis of such composite materials through solvent casting enhances the polymer synthetic technology. solvent casting method was used to prepare cobalt oxide (co3o4) dispersed poly (methyl methacrylate) (pmma) nano composite. x-ray diffraction tool is used to know the structural...
LTA Zeolite nanoparticles was successfully synthesized from clear solution under controlled conditions using hydrothermal method using tetramethyl ammonium hydroxide as a structural directing agent. The as-synthesized LTA zeolite particles were characterized by powder X-ray Diffraction (XRD) analysis, Scanning Electron Microscopy (SEM), Fourier Transform InfraRed (FT-IR) spectroscopy, </e...
INTRODUCTION The purpose of this study was to observe the formation of biofilm, an important virulence factor, by isolates of Staphylococcus aureus (S. aureus) in Pakistan by different conventional methods and through electron microscopy. METHODOLOGY We screened 115 strains of S. aureus isolated from different clinical specimens by tube method (TM), air-liquid interface coverslip assay method...
The scanning electron microscopy (SEM) is probably one the most fascinating examination approach that has been used since more than two decades to detailed inspection of micro scale objects. Most of the scanning electron microscopes could only produce 2D images that could not assist operational analysis of microscopic surface properties. Computer vision algorithms combined with very advanced ge...
The following new gregarine taxa are described from larvae of flour beetles (Coleoptera: Tenebrionidae): Awrygregarina billmani, n. gen., n. sp., from Tribolium brevicornis; Gregarina cloptoni, n. sp., from Tribolium freemani; Gregarina confusa, n. sp., from Tribolilum confusum; and Gregarina palori, n. sp., from Palorus subdepressus. In addition, the description of Gregarina minuta Ishii, 1914...
The organic nonlinear optical (NLO) material β-Alanine β-Alaninium Picrate (β-AAP) was grown by slow evaporation technique. Powder X-ray diffraction patterns were recorded and indexed for further confirmation of crystalline nature of grown (β-AAP) crystal. The transparent range of the grown material was studied using UV-Vis-NIR spectral analysis and the optical band gap was evaluated from the a...
This research was to study the effects of lactic acid bacteria fermentation on the quality of little yellow croaker. The effects of the LAB starter composed of Lactobacillus plantarum and Lactobacillus acidophilus on the quality of little yellow croaker were studied through a 72 h fermentation process in this study. During 72 h fermentation at 30°C, little yellow croaker inoculated with the LAB...
[1] Using data collected during the Puerto Rico Dust Experiment (PRIDE), we examine the effect of nonspherical phase functions on dust aerosol retrievals from geostationary satellites. We utilize a statistical model based on Scanning Electron Micrograph (SEM) analysis of individual dust particles. Using T-matrix calculations and assuming that dust particles are randomly-orientated oblate sphero...
Fabrication of environmentally safe C2ZnSnS4 (CZTS) photovoltaic thin films pure kesterite state is crucial. We have preparedCZTS by sol-gel dip-coating process from chloride-based chemicals. After vacuum-annealed at 550°C, the optical andstructural characters were further examined UV–vis spectroscopy, X-ray diffraction (XRD), scanning electronmicroscopy (SEM), and energy dispersive spectroscop...
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