A novel stochastic resonance algorithm was employed to enhance the signal-to-noise ratio (SNR) of signals of analytical chemistry. By using a gas chromatographi
A mild and highly efficient synthesis of C7-C14 and C15-C21 fragments of epothilone B and D is described in which racemic C7-C14 fragment is prepared from nerol
The authors investigate the sensitivity of hydrostatic pressure of flows through porous mediawith respect to the position of the soil layers. Indeed, these indu
The novel 19-nor-lα,25-dihydroxy vitamin D3 analogues possessing an ethyl at the 2-position(4 and 5), were synthesized by coupling 25-hydroxy Windaus-Grundmann
Direct conversion of methane using a metal-loaded ZSM-5 zeolite prepared via acidic ion exchange was investigated to elucidate the roles of metal and acidity in
The origin of pseudo peak was studied by means of micellar electrokinetic capillary chromatography with cetyltrimethylaminium bromide as the pseudo stationary p
A new type water-cooled heat dissipater for multiple high-power thyristors in explosion-proof shell used in coal mine was designed, and then, the numerical comp
The equations of state of spin-polarized nuclear matter and pure neutron matter are studied in theframework of the Brueckner-Hartree-Fock theory including a thr
The geometrical structures of 2-(2-hydroxyphenyl) pyridine(PP) and its protonation states were optimized by means of the B3LYP/6-31G(d) method. For all the sele