نتایج جستجو برای: fock method rhf

تعداد نتایج: 1635690  

Journal: :Physical chemistry chemical physics : PCCP 2008
Qadir K Timerghazin Gilles H Peslherbe Ann M English

High-level ab initio calculations employing the CCSD and CCSD(T) coupled cluster methods with a series of systematically convergent correlation-consistent basis sets have been performed to obtain accurate molecular geometry and energetic properties of the simplest S-nitrosothiol (RSNO), HSNO. The properties of the S-N bond, which are central to the physiological role of RSNOs in the storage and...

2008
Pejman Khorshid

An overview of experimental studies on IR-T1 tokamak is presented. Several issues of plasma displacement measurement are investigated. An analytic solution of the Biot–Savart law, which is used to calculate magnetic fields created by toroidal plasma current, is presented. Results of calculations are compared with the experimental data obtained in no-plasma shots with a toroidal current-carrying...

Journal: :The Journal of experimental biology 2017
Xiao J Wang Shao H Xu Lei Liu Zhi G Song Hong C Jiao Hai Lin

Dietary fat affects appetite and appetite-related peptides in birds and mammals; however, the effect of dietary fat on appetite is still unclear in chickens faced with different energy statuses. Two experiments were conducted to investigate the effects of dietary fat on food intake and hypothalamic neuropeptides in chickens subjected to two feeding states or two diets. In Experiment 1, chickens...

Journal: :Journal of Heart and Lung Transplantation 2021

PurposeROC is a common evaluation metric for risk scores and classifiers mortality adverse events. However, ROC can provide misleadingly optimistic view of the performance classifier when data are imbalanced, example proportion events very small. This study illustrates ambiguity through case post-LVAD Right Heart Failure (RHF), utility Precision Recall Curve (PRC) as supplemental evolution tool...

Journal: :Revista de la Facultad de Ciencias Médicas Universidad Nacional de Rosario 2022

Introducción: El riñón hiperfiltrante (RHF) es una entidad clínica caracterizada por un aumento en la tasa de filtrado glomerular (TFG) renal encima límites normales. objetivo esta descripción resaltar asociación entre el RHF y COVID-19 pacientes críticos. Casos clínicos: Se describen dos casos clínicos mujeres jóvenes con insuficiencia respiratoria aguda secundaria a neumonía requerimiento ven...

1998
H. Nakada

Total and parity-projected level densities of iron-region nuclei are calculated microscopically by using Monte Carlo methods for the nuclear shell model in the complete (pf + 0g9/2)-shell. The calculated total level density is found to be in good agreement with the experimental level density. The Monte Carlo calculations offer a significant improvement over the thermal Hartree-Fock approximatio...

1995
Sang Pyo Kim

We elaborate further the functional Schrödinger-picture approach to the quantum field in curved spacetimes using the generalized invariant method and construct explicitly the Fock space, which we relate with the thermal field theory. We apply the method to a free massive scalar field in the de Sitter spacetime, and find the exact quantum states, construct the Fock space, and evaluate the two-po...

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