نتایج جستجو برای: Microwave heated polyol method

تعداد نتایج: 1688863  

2016
Hailong Dong Ana Kuzmanoski Tobias Wehner Klaus Müller-Buschbaum Claus Feldmann

Eu3+-modified carbon dots (C-dots), 3-5 nm in diameter, were prepared, functionalized, and stabilized via a one-pot polyol synthesis. The role of Eu2+/Eu3+, the influence of O₂ (oxidation) and H₂O (hydrolysis), as well as the impact of the heating procedure (conventional resistance heating and microwave (MW) heating) were explored. With the reducing conditions of the polyol at the elevated temp...

2009
Dongyan Xu Haizhen Wang Ping Dai Qingguo Ye

XC-72 carbon supported Pt catalyst was prepared by using a microwave heated ethylene glycol method and characterized by transmission electron microscopy (TEM) and X-ray diffraction (XRD). For comparison, the same Pt/XC72 catalyst was also prepared by conventional heated ethylene glycol method. TEM image showed that microwave synthesized Pt nanoparticles were uniformly dispersed on the surface o...

In this study, a simple strategy was described for the synthesis of Pt-SWCNTs conductive nanocomposite by microwave heated polyol method and nanocomposite characterized by EDS, FESEM, and XRD method. The Pt nanoparticles were decorated at the surface of SWCNTs with a diameter of 22.3 nm. The synthesized nanocomposite was used for modification of the carbon paste electrode (CPE) in the presence ...

Journal: :Chemical communications 2011
Hideya Kawasaki Yuka Kosaka Yuki Myoujin Takashi Narushima Tetsu Yonezawa Ryuichi Arakawa

We report the synthesis of 2 nm copper nanocrystals (Cu NCs) via a microwave-assisted polyol method without using additional protective and reducing agents. The Cu NCs are oxidation resistant and exhibit photoluminescence and highly stable properties in a colloidal dispersion.

Journal: :journal of agricultural science and technology 2010
m. s. yarmand p. a. baumgartner

the environmental scanning electron microscopy (esem) is a new development in the field of electron microscopy. in this study esem has been used to study the structure of veal semimembranosus muscle. four treatments, raw (control), conventional heating, domestic and industrial microwave heating, were observed using esem. the temperature used in conventional heating was 163 0c. frequency app...

2017
Shotaro Ishino

In this paper, we quantified the permittivity and permeability of ferrite-particle-containing silicone using a perturbation method with a harmonic resonator and investigated whether the modified silicone can be used as a material for fabricating heating vessels for microwave ovens. The material constant varied depending on the compounding ratio of the obtained ferrite. From our simulation resul...

Journal: :The journal of physical chemistry. B 2005
B Chefetz L Sominski M Pinchas T Ginsburg S Elmachliy E Tel-Or A Gedanken

We adsorb heavy metal ions such as Ag(+), Pb(2+), and Ru(3+) onto an aquatic plant and convert the adsorbed ions to the corresponding nanometallic particles by the polyol reaction carried out in a microwave oven.

Journal: :Journal of accident & emergency medicine 1995
G J Offer D Nanan J N Marshall

Microwave-heated food may cause serious injury if it is not allowed to cool before consumption. We describe a case in which a hypopharyngeal burn occurred following consumption of a microwave-heated potato immediately after cooking.

2016
Krishnamoorthy Pitchai Sohan Birla Jeyamkondan Subbiah David D. Jones Sohan L Birla David D Jones

Due to inherent nature of standing wave patterns of microwaves inside a cavity and dielectric properties of different components in a food, microwave heating leaves non-uniform distribution of energy inside the food volumetrically. Achieving heating uniformity plays critical role in improving the safety of microwave heated products. In this paper, we present a method for assessing heating unifo...

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