نتایج جستجو برای: spectroscopic constants

تعداد نتایج: 88973  

2007
Carlos Gómez Soraya Abad-Mota Edna Ruckhaus

An essential problem in music information retrieval is to determine the similarity between two given melodies; there are several melodic similarity measures that have been proposed, among others, the Mongeau-Sankoff measure. In this work we implemented a modified version of the Mongeau-Sankoff measure. We conducted an experimental study to compare the implemented measure with other similarity m...

Journal: :Combinatorics, Probability & Computing 2009
Marcos A. Kiwi José A. Soto

It is well known that, when normalized by n, the expected length of a longest common subsequence of d sequences of length n over an alphabet of size σ converges to a constant γσ,d. We disprove a speculation by Steele regarding a possible relation between γ2,d and γ2,2. In order to do that we also obtain some new lower bounds for γσ,d, when both σ and d are small integers.

2007
Ashwin Ram Eric K. Jones

Foundations of Artiicial Intelligence presents a number of chapters from major players in artiicial intelligence (AI) that discuss fundamental assumptions underlying the dominant approaches to AI today. Perhaps the best parts of the book are the critiques: each chapter is followed by an in-depth critique that evaluates the utility of those assumptions in pursuing the goal of AI. But what is the...

Journal: :The Journal of chemical physics 2007
H Massó V Veryazov P-A Malmqvist B O Roos M L Senent

In this paper, the structure and spectroscopic parameters of the C5 cluster are determined using multiconfigurational quantum chemical methods as implemented in the MOLCAS software. A number of spectroscopic properties (band center positions, l-doubling parameters, and rotational constants) have been characterized. From the new results, the assignments of previous astrophysical observations [J....

A new tris-(2-aminoethyl)amine (TREN) capped tripodal Schiff base ligand has been developed by mimicking structural features of a natural siderophore, Bacillibactin, by substituting the catechol units with salicylaldehyde and employing amino acid as spacer. Synthesis of the ligand N-[2-[bis[2-[[2-[(2-hydroxyphenyl)methylamino]acetyl] amino]ethyl]amino]ethyl]-2-[(2-hydroxyphenyl)methylamino]...

Journal: :Journal of the American Chemical Society 2012
Megan Brunjes Brophy Joshua A Hayden Elizabeth M Nolan

Calprotectin (CP) is an antimicrobial protein produced and released by neutrophils that inhibits the growth of pathogenic microorganisms by sequestering essential metal nutrients in the extracellular space. In this work, spectroscopic and thermodynamic metal-binding studies are presented to delineate the zinc-binding properties of CP. Unique optical absorption and EPR spectroscopic signatures f...

Journal: :iranian journal of chemistry and chemical engineering (ijcce) 2008
şeref ertul mevlüt bayrakı a. dinçer bedük

the macrocyclic ligands 2,3,5,6-bis{3’-bromo-5’-tert-butyl benzo-5-phenyl benzo} 12c3 (l1), 2,3,5,6-bis{3’-bromo-5’-tert butyl-benzo-5’-phenyl-benzo}15c4 (l2), 2,3,5,6-bis{3’-bromo-5’-tert butyl-benzo-5’-phenyl-benzo}18c5 (l3) have been synthesized and their alkaline metal compounds with naclo4∙h2o and kclo4  have been prepared. chemical formulas of all compounds have been characterized by usin...

Journal: :Chinese Journal of Chemical Physics 2023

The rotationally resolved spectrum of the A2 A″-X2 A″ 000 band jet-cooled 1-indanyl near 473 nm is recorded by laser induced fluorescence with a spectral resolution ~0.014 cm−1. Accurate spectroscopic constants for both A2A″ and X2 states are determined from rotational analysis experimental spectrum. These indicative parameters applied to test calculated structure 1-indanyl. calculations show g...

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