نتایج جستجو برای: meso scale

تعداد نتایج: 582517  

Journal: :Nanoscale 2015
Sivaiah Bathula M Jayasimhadri Bhasker Gahtori Niraj Kumar Singh Kriti Tyagi A K Srivastava Ajay Dhar

Despite SiGe being one of the most widely studied thermoelectric materials owing to its application in radioisotope thermoelectric generators (RTG), the thermoelectric figure-of merit (ZT) of p-type SiGe is still quite low, resulting in poor device efficiencies. In the present study, we report a substantial enhancement in ZT∼ 1.2 at 900 °C for p-type nanostructured Si80Ge20 alloys by creating s...

2011
Elena V. Akhmatskaya Sebastian Reich

We consider the problem of time-stepping/sampling for molecular and meso-scale particle dynamics. The aim of the work is to derive numerical time-stepping methods that generate samples exactly from the desired target temperature distribution. The numerical methods proposed in this paper rely on the well-known splitting of stochastic thermostat equations into a conservative and a fluctuation-dis...

Journal: :Organic & biomolecular chemistry 2012
Koichi Kodama Ayaka Kanno Eriko Sekine Takuji Hirose

A supramolecular chiral host consisting of N-(2-naphthoyl)-L-aspartic acid (L-1) and meso-1,2-diphenylethylenediamine (2) is effective in enantioseparation of 1-arylethanols (up to 96% ee with 100% inclusion ratio). Here we report three different methods to prepare the inclusion crystals and discuss the chiral recognition mechanism on the basis of X-ray crystallography results.

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه محقق اردبیلی 1390

در این پژوهش کمپلکس معدنیvo-salenو 5-br-meso-vo-salenاز تراکم آلدولی اتیلن دی آمین سالسیل آلدهید در حضور ترکیب وانادیوم استیل استونات سنتز گردید. ابتدا قدرت آنتی اکسیدانی salen بهوسیله ی آزمون dpphمورد ارزیابی قرار گرفت، نتایج نشان داد که salen قدرت آنتی اکسیدانی بسیار ضعیفی در مقایسه با کمپلکس های وانادیوم اکسید آن دارد.ارزیابی اثرات سمیت سلولی و ضد تکثیری کمپلکس های salen ، vo-salenو 5-br-mes...

Journal: :Composite Structures 2022

This paper presents a novel multi-scale design strategy for 2D plain woven composites considering the manufacturing process. The methodology integrates meso-structural geometry of fabric to maximise buckling load composite stiffened panels at macro-level. A numerical model simulate autoclave process is developed, in which new geometric modelling method proposed construct more realistic RVE acco...

Journal: :Materials & Design 2022

We introduce a novel computational framework designed to allow an experimentalist extract the local toughness associated with crack growth along individual grain boundary from fracture experiments on standard specimens. The proposed relies ability of graph neural network perform high accuracy predictions micro-scale material toughness, utilizing limited size dataset that can be obtained experim...

2016
Antoine Leuzy Konstantinos Chiotis Steen G. Hasselbalch Juha O. Rinne Alexandre de Mendonça Markus Otto Alberto Lleó Miguel Castelo-Branco Isabel Santana Jarkko Johansson Sarah Anderl-Straub Christine A. F. von Arnim Ambros Beer Rafael Blesa Juan Fortea Sanna-Kaisa Herukka Erik Portelius Josef Pannee Henrik Zetterberg Kaj Blennow Agneta Nordberg

The aim of this study was to assess the agreement between data on cerebral amyloidosis, derived using Pittsburgh compound B positron emission tomography and (i) multi-laboratory INNOTEST enzyme linked immunosorbent assay derived cerebrospinal fluid concentrations of amyloid-β42; (ii) centrally measured cerebrospinal fluid amyloid-β42 using a Meso Scale Discovery enzyme linked immunosorbent assa...

Journal: :Biotechnology for biofuels 2016
Jing Fu Guangxin Huo Lili Feng Yufeng Mao Zhiwen Wang Hongwu Ma Tao Chen Xueming Zhao

BACKGROUND 2,3-Butanediol (2,3-BD) with low toxicity to microbes, could be a promising alternative for biofuel production. However, most of the 2,3-BD producers are opportunistic pathogens that are not suitable for industrial-scale fermentation. In our previous study, wild-type Bacillus subtilis 168, as a class I microorganism, was first found to generate only d-(-)-2,3-BD (purity >99 %) under ...

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