نتایج جستجو برای: microscope method

تعداد نتایج: 1664438  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه رازی - دانشکده علوم 1389

fluorescence chemical sensors for the highly sensitive and selective determination of pb2+ , hg2+, co2+ and fe3+ ions in aqueous solutions are described. the ion sensing system was prepared by incorporating lipophilic ligand (l) as a neutral ion-selective fluoroionophore in the plasticized pvc membrane containing sodium tetraphenylborate or potasium tetrakis (p-chlorophenyl) borate as a liphoph...

2007
Takahiko ISHIKAWA Hiromasa OKU Masatoshi ISHIKAWA

We propose a concept of “mobile microscope” for handheld use, which enable various places to be observable. We propose an image stabilization method for images from microscope effected by hand-shake. This method is based on high-speed visual feedback with an inclined image sensor to measure the 3D movements of a microscope. We developed a trial microscope system employing the method without a b...

Journal: :Journal of the Franklin Institute 1902

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه کردستان - دانشکده کشاورزی و منابع طبیعی 1392

در سالیان اخیر پدیده حزن انگیز گرد و غبار گاها آسمان غرب ایران را اشغال کرده و زندگی مردم را تحت تاثیرات زیانبار خود قرار داده است. پدیده گرد و غبار که به عنوان مهمترین معضل زیست محیطی کشور در دهه اخیر قلمداد می شود واجد طیف وسیعی از خسارات و اثرات منفی است که باعث گردیده این موضوع از یک شکل محلی به بحرانی بین المللی تبدیل شود. این پایان نامه به مقایسه خصوصیات فیزیکوشیمیایی ذرات گرد و غبار در...

Journal: :international journal of nano dimension 0
m. abbasi school of mechanical engineering, shahrood branch, islamic azad university, shahrood, iran n. abbasi medicine department, tehran university of medical science, tehran, iran

a relationship based on the modified couple stress theory is developed to investigate the flexural sensitivity of an atomic force microscope (afm) with assembled cantilever probe (acp). this acp comprises a horizontal cantilever, two vertical extensions and two tips located at the free ends of the extensions which form a caliper. an approximate solution to the flexural vibration problem is obta...

Journal: :international journal of nano dimension 0
q. wang department of chemical engineering, maoming vocational and technical college, maoming, china, 525000. ren-feng mao department of chemical engineering, maoming vocational and technical college, maoming, china, 525000.

nanotechnology has been advanced since the last decades. among all nanomaterials that have been developed, nanosilver is the most frequently used nanoparticles. its release into natural water bodies is inevitable due to its broad applications. nanosilver (nag) was prepared via tollens method using. the morphology, size distribution and average size of the obtained nag was characterized using tr...

Journal: :international journal of nano dimension 0
a. dinesh karthik pg department of chemistry,k. m. g. college of arts and science, gudiyattam, 635 803 vellore.dt.tamil nadu, india. k. geetha pg and research department of chemistry, muthurangam govt. arts college (autonomous), vellore - 632 002,tamil nadu, india.

a simple method has been employed to synthesize copper and copper oxide nanoparticles from copper (ii) succinate precursor by thermal decomposition method using oleylamine as a capping agent. the particles synthesized with oleylamine and triphenylphosphine were well dispersed nanoparticles obtained from x-ray diffraction (xrd). the synthesized copper nanoparticles were characterized by uv-visib...

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