The sex attractant 2-butyl 2-dodecenoate (EFETOV-2), (2R)-butyl (7Z)-dodecenoate (R12) (a component of Illiberis rotundata pheromone) and a mixture with its opposite enantiomer (2S)-butyl (R12+S12, 1:1), were tested over period two years for studying Zygaenidae fauna in south-eastern France. As result, eight species attracted the vicinity lures, one them quantities never previously recorded by ...

Measurements on R600a refrigerators have shown electricity savings over R134a and R12 up to 20%. We propose new parameters which are functions of well known refrigerant properties. These parameters show that R600a has half the leakage, pressure loss and condenser pressure and double the heat transfer coefficient of R12 and R134a explaining the measurements. Use of R600a in small heat pumps and ...

In this thesis the production of the charmonium states χc1 and χc2 in protonnucleus collisions at a proton-nucleon center-of-mass energy √ s = 41.6 GeV was studied. The data used for the analysis have been taken by the fixed-target experiment HERA-B that uses the HERA proton beam to scatter protons off the nuclei of different wire targets. About 122 · 103 recorded muonic J/ψ decays, J/ψ → μ+μ−,...

Due to the undesirable environmental consequences ofR12, there is a great challenge to find a suitable substitute for Rl2. A new refrigerant blend Rl34a!R218/R600a (88'Yoi9'Yol 3%) called JSCEON 49 has been developed as a long term, zero ozone depletion-potential replacement for Rl2. A computer program was written to calculate the cycle characteristics, such as cooling capacity, coefficient of ...

Refrigerants that are used in refrigeration systems, cause environmental difficulties such as depletion of ozone layer and greenhouse effect. Thus, we must find substitutes for such refrigerants, in this paper, the effect of refrigerant on the thermodynamics performance of refrigeration cycles are studied. To do this, a refrigerator that has designed for R12, is simulated. Results show that pur...

Refrigerants that are used in refrigeration systems, cause environmental difficulties such as depletion of ozone layer and greenhouse effect. Thus, we must find substitutes for such refrigerants, in this paper, the effect of refrigerant on the thermodynamics performance of refrigeration cycles are studied. To do this, a refrigerator that has designed for R12, is simulated. Results show that pur...

The present work introduces a new form of explicitly correlated factor in the context transcorrelated methods. correlation is obtained from r12 ? 0 mathematical analysis Hamiltonian, and its analytical such that leading order 1/r12 scalar part effective two-electron potential reproduces long-range interaction range-separated density functional theory. resulting exactly imposes cusp tuned by uni...

It is a central issue to elucidate the new type of molecular recognition accompanied by a global structural change of a molecule upon binding to its targets. Here we investigate the driving force for the binding of R12 (a ribonucleic acid aptamer) and P16 (a partial peptide of a prion protein) during which P16 exhibits the global structural change. We calculate changes in thermodynamic quantiti...

Electron correlations in molecules can be divided in short range dynamical correlations, long range Van der Waals type interactions, and near degeneracy static correlations. In this work, we analyze for a one-dimensional model of a two-electron system how these three types of correlations can be incorporated in a simple wave function of restricted functional form consisting of an orbital produc...

Electron correlations in molecules can be divided in short range dynamical correlations, long range Van der Waals type interactions and near degeneracy static correlations. In this work we analyze how these three types of correlations can be incorporated in a simple wave function of restricted functional form consisting of an orbital product multiplied by a single correlation function f(r12) de...