نتایج جستجو برای: band assignment

تعداد نتایج: 178110  

2010
S Gunasekaran R K Natarajan S Natarajan

Metformin is one of the important anti-diabetic drugs to treat non-insulin dependent diabetes mellitus (NIDDM). Fourier transform infrared (FTIR) and Fourier transform Raman (FTR) spectra of metformin have been used for the molecular study. A satisfactory band assignment has been made on the fundamental modes of vibration. Employing the molecular mechanics method using MM3 force field, the theo...

1999
C. H. Hong

GaN films were grown on (100) GaAs substrates by metalorganic chemical vapor deposition and were found to be of (200) cubic or (111) cubit/(0002) hexagonal phase. Their photoluminescence characteristics remained invariant with material phase. We report assignment of band-edge photoluminescence near 3!36 eV and 3.15-3.31 eV in apparently cubic GaN to intrinsic/bound excitons and phonon-assisted,...

2009
K. Abdullah-Al-Mamun F. Sarker G. Muhammad

This paper proposes a noise robust high resolution pitch detection algorithm based on AMDF and ACF. The falling trend of AMDF is eliminated by an alignment technique, and AMDF and ACF are combined to take the advantage of their complementary nature. These two functions are combined by multiplication and addition over several band pass filters to enhance important candidates and suppress less im...

Journal: :Journal of magnetic resonance 2013
Veniamin Chevelkov Karin Giller Stefan Becker Adam Lange

Robust and efficient band-selective magnetization transfer between CO and CA spins can be achieved in highly deuterated solid proteins by dipolar-based homonuclear cross polarization. The approach is designed for moderate magic-angle spinning rates and high external magnetic fields where the isotropic chemical shift difference of CO and CA considerably exceeds the spinning rate. The most effici...

Journal: :ACM Transactions on Embedded Computing Systems 2011

2014
Jun Huang Ke Xu Ying Min Fan Jian Feng Wang Ji Cai Zhang Guo Qiang Ren

This work presents an experimental study on the dislocation luminescence in GaN by nanoindentation, cathodoluminescence, and Raman. The dislocation luminescence peaking at 3.12 eV exhibits a series of special properties in the cathodoluminescence measurements, and it completely disappears after annealing at 500°C. Raman spectroscopy shows evidence for existence of vacancies in the indented regi...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 1973
C R Hartzell R E Hansen H Beinert

On the basis of oxidoreductive rapid kinetic and titration experiments with purified cytochrome c oxidase (EC 1.9.3.1), monitored by electron paramagnetic resonance (EPR) at 13 degrees K and by spectrophotometry at 100 degrees K, a new assignment of EPR signals is proposed. The bulk of both the low-spin (g = 3.0; 2.2; 1.5) and highspin (g = 6; 2) signals is attributed to the component with the ...

Journal: :Journal of Discrete Algorithms 2007

Journal: :The Computer Journal 1964

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