نتایج جستجو برای: physical synthesis
تعداد نتایج: 1059698 فیلتر نتایج به سال:
Nanoparticles (NPs), particles having one or more dimensions below 100 nm, are currently being synthesized through chemical and physical methods on an industrial scale. However, these methods for the synthesis of NPs do not fit with sustainable development goals. NP synthesis, through chemical and physical methods, requires high temperatures and/or pressures resulting in high energy consumption...
چکیده: در این تحقیق، برخی خواص فیزیکی و مکانیکی لوبیا قرمز به-صورت تابعی از محتوی رطوبت بررسی شد. نتایج نشان داد که رطوبت بر خواص فیزیکی لوبیا قرمز شامل طول، عرض، ضخامت، قطر متوسط هندسی، قطر متوسط حسابی، سطح تصویر شده، حجم، چگالی توده، تخلخل، وزن هزار دانه و زاویه ی استقرار استاتیکی در سطح احتمال 1 درصد اثر معنی داری دارد. به طوری که با افزایش رطوبت از 54/7 به 12 درصد بر پایه خشک طول، عرض، ضخام...
Discrimination and identification experiments were performed for a vowel continuum (/i//I/-/e/) and two consonant continua (/ba/-/pa/and/ba/-/da/-/ga/). The results were interpreted in terms of a generalization of a theory of intensity resolution [N. I. Durlach and L. D. Braida, J. Acoust. Soc. Am. 46, 372-383 (1969) ] that makes precise the distinction between basic sensitivity (sensory-based ...
in this study, amino functional groups were chemically bonded to the surface of newly synthesized kit-6 mesoporous magnetite nanoparticles (mmnps) by post-toluene reflux synthesis method. this method treats calcined mesoporous nanoparticles with the functional organosilanes. physical and chemical structures of the synthesized mesoporous magnetite nanoparticle...
This study aimed to investigate the effects of physical training, and different levels of protein intake in the diet, on the growth and nutritional status of growing rats. Newly-weaned Wistar rats (n=48) were distributed into six experimental groups; three of them were subjected to physical swim training (1 h per day, 5 d per week, for 4 wk, after 2 wk of familiarization) and the other three we...
Several novel methods, catalysts and reagents have been developed to improve organic synthesis. Synergistic effects between reactions, reagents and catalysts can lead to minor heats of reaction and occur as an inherent result of multicomponent reactions (MCRs) and their extensions. They enable syntheses to be performed at a low energy level and the number of synthesis steps to be drastically re...
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