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the acidity constants (pka) of thirty four (34) ;-substituted carboxylic acids in aqueous solution havebeen calculated using conductor-like polarizable continuum (c-pcm) solvation model. the gasphaseenergies at the density functional theory (dft-mpw1pw91) and solvation energies athartree fock (hf) are combined to estimate the pka values which are very close to the experimentalvalues where, and ...
background: dental caries is the most infective microbial dental disease. basic screening survey is an epidemiologic index for determination of caries prevalence. the aim of this study was assessment of caries free prevalence in 6, 12 & 15- year old school children in kerman during 5 years. methods: in this cross-sectional, descriptive –analytic study, 15369 school children aged 6, 12 &15 yea...
background: as consumption of chicken meat may be as one of the sources of human infection, this study was undertaken to determine the prevalence of t. gondii in farm chickens ( gallus gallus domesticus ) in shiraz, southern iran. methods: two hundred and thirty one blood samples were collected from farm chickens by a cluster random sampling method and tested for toxoplasmosis by indirect flu...
free radicals are produced continuously in the cells as part of normal cellular function, however excess production might play a role in pathophysiology of many disease conditions, including cancer, alzheimer's disease, atherosclerosis and some of the drug-induced toxicity. many basic research studies and observational epidemiologic studies in human suggest that antioxidants can prevent oxidati...
background : â celiac disease (cd) is an immune-mediated inflammation of the small intestine caused by sensitivity to dietary gluten and related proteins in genetically sensitive individuals . recurrent aphthous stomatitis (ras) is an inflammatory condition characterized by painful recurrent, single or multiple ulcerations of the oral mucosa. the association between cd and ras has been evaluat...
We discuss learning latent annotations for synchronous context-free grammars (SCFG) for the purpose of improving machine translation. We show that learning annotations for nonterminals results in not only more accurate translation, but also faster SCFG decoding.
Abstract The paper presents a uniform proof-theoretic treatment of several kinds free logic, including the logics existence and definedness applied in constructive mathematics computer science, called here quasi-free logics. All considered are formalised framework sequent calculus, latter for first time. It is shown that all cases remarkable simplifications starting systems possible due to spec...
Motivated by the stochastic quantization approach to large N matrix models, we study solutions to free stochastic diierential equations dX t = dS t ? 1 2 f(X t)dt where S t is a free brownian motion. We show existence, uniqueness and Markov property of solutions. We deene a relative free entropy as well as a relative free Fisher information, and show that these quantities behave as in the class...
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