Ara
Toplam kayıt 2400, listelenen: 2301-2310
Space-time algebra for the generalization of gravitational field equations
(Indian Acad Sciences, 2013)
The Maxwell-Proca-like field equations of gravitolectromagnetism are formulated using space-time algebra (STA). The gravitational wave equation with massive gravitons and gravitomagnetic monopoles has been derived in terms ...
Pseudospin Symmetry in Trigonometric Poschl-Teller Potential
(World Scientific Publ Co Pte LTD, 2012)
We investigated the analytical (s) over bar -wave solutions of Dirac equation for trigonometric Poschl-Teller (PT) potential under the pseudospin symmetry condition. The energy eigenvalues equation and corresponding wave ...
FT-IR spectroscopic study on some Hofmann-T-d type complexes: Ni(4-Phenylpyridine)(2)M(CN)(4) (M = Cd or Hg)
(Walter De Gruyter GMBH, 2005)
New Hofmann-T-d type complexes in the form of Ni(4-Phenylpyridine)(2)M(CN)(4) (M = Cd or Hg) were prepared in powder form and their infrared spectra are reported in the region of 4000200 cm(-1). From the spectral findings, ...
Gauge transformation and electromagnetism with biquaternions
(Edp Sciences S A, 2006)
After de. ning biquaternions with complex numbers, the algebra of biquaternions and some properties are introduced. Maxwell's equations without sources in the dimensionless form are given. Then Maxwell's equations are ...
Structural stabilities of water-soluble MnTDCSPP, MnTSPP, and supported analogues toward hydrogen peroxide and sodium hypochlorite
(Wiley-Blackwell, 2000)
This article describes the structural stabilities of 5,10,15,20-tetrakis(2.6-dichloro-3-sulfonatophenyl)porphinatomanganese(III) X (X: OH-. H2O) (MnTDCSPP), 5,10,15,20-tetra(4-sulfonatophenyl)porphinatomanganese(III) X (X: ...
Determination of the equilibrium, kinetic and thermodynamic parameters of adsorption of copper(II) ions onto seeds of Capsicum annuum
(Elsevier Science BV, 2005)
Adsorption of copper ions onto Capsicum annuum (red pepper) seeds was investigated with the variation in the parameters of pH, contact time, adsorbent and copper(II) concentrations and temperature. The nature of the possible ...
Spectroscopic determination of acid dissociation constants of some pyridyl Shiff bases
(American Chemical Society, 2006)
The acid dissociation constants (pK(a)) of eight biologically active pyridyl Shiff bases were determined using a UV-vis spectroscopic technique at 25 +/- 0.1 degrees C. The first acidity constants (pK(a1)) of the ...
Electrodeposition of polyaniline, poly(2-iodoaniline), and poly(aniline-co-2-iodoaniline) on steel surfaces and corrosion protection of steel
(Elsevier Science BV, 2005)
Polyaniline (PANi), poly(2-iodoaniline) (PIANi), and poly(aniline-co-2-iodoaniline) (co-PIANi) were synthesized using cyclic voltammetry in acetonitrile solution containing tetrabuthylammonium perchlorate (TBAP) and ...
Inhibition of the corrosion of low carbon steel in acidic solution by selected polyelectrolytes and polymers
(Emerald Group Publishing Limited, 2003)
The inhibiting effects of 2,6-ionen and 2,10-ionen type polyvinylbenzyltrimethylammonium chloride, and latex, on low carbon steel in hydrochloric acid solution was investigated by potentiodynamic polarisation measurements ...
A quantum chemical study on structure of 1,2-bis(diphenylphosphinoyl)ethane and hydroquinone cocrystal
(Elsevier Science BV, 2005)
The cocrystal of 1,2-Bis(diphenylphosphinoyl)ethane (DPPEO) with hydroquinone (HQ) (1: 1) were studied theoretically with MINDO/3, MNDO, PM3 and AM I semi-empirical methods to elucidate its structure. The bond lengths and ...