نتایج جستجو برای: bismuth oxide

تعداد نتایج: 182394  

Journal: :Talanta 2013
Qiu-Mei Feng Qing Zhang Chuan-Guo Shi Jing-Juan Xu Ning Bao Hai-Ying Gu

Low cost disposable working electrodes are specifically desired for practical applications of electrochemical detection considering maturity of electrochemical stations and data collection protocols. In this paper double-sided conductive adhesive carbon tape with nanostructure was applied to fabricate disposable working electrodes. Being supported by indium tin oxide glass, the prepared carbon ...

2015
Xiang Hu Zhicheng Zhong Gregory A. Fiete

While the theoretical and experimental study of topological phases of matter has experienced rapid growth over the last few years, there remain a relatively small number of material classes that have been experimentally shown to host these phases. Most of these materials contain bismuth, and none so far are oxides. In this work we make materials-specific predictions for topological phases using...

پایان نامه :0 1370

all analytical methods are generally based on the measurement of a parameter or parameters which are somehow related to the concentration of the species.an ideal analytical method is one in which the concentration of a species can be measured to a high degree precision and accuracy and with a high sensitivity. unfortunately finding such a method is very difficult or sometimes even impossible.in...

2008
Yingtao Jiang Bingmei Fu Woosoon Yim Y. Jiang W. Yim

Although liquid lead-bismuth eutectic (LBE) is a good candidate for the coolant that can be employed in a subcritical transmutation blanket, it is known to be very corrosive to stainless steel, the material used in the containment structure. To mitigate this problem, trace levels of oxygen can be introduced into the system, causing the formation of a protective oxide layer at the interface betw...

Journal: :Acta Crystallographica Section A Foundations of Crystallography 2013

Journal: :Oral surgery, oral medicine, oral pathology, oral radiology, and endodontics 2010
Jeong-Won Park Seung-Hye Hong Jong-Hyun Kim Seung-Jong Lee Su-Jung Shin

BioAggregate is a new product that was formulated for root-end filling, perforation repair, and pulp capping. This study examined the chemical differences between white mineral trioxide aggregate (MTA) and BioAggregate in both powder and set forms using X-ray diffraction. The results showed that white MTA and BioAggregate have a similar chemical composition with some differences: BioAggregate c...

در این مقاله، رفتار حرارتی اکسید حاوی 25 درصد مولی Y2O3 توسط آنالیز حرارتی و پراش پرتو ایکس مورد مطالعه قرار گرفت. نتایج بدست آمده نشان می دهند نشان داد که استحاله منوکلینیک به مکعبی در دمای C˚ 750 اتفاق افتاده و نمونه به صورت فاز مکعبی پایدار در دمای اتاق بدست آمده است. سپس به کمک اندازه گیری انقباض شعاعی و چگالی نسبی و همچنین مطالعات میکروسکپی، رفتار تف جوشی نمونه ها مورد بررسی قرار گرفت. نتا...

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