Browsing Faculty Research Publications by Title
Now showing items 1897-1916 of 2106
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Sustainable biomass production for energy in India
(2003)The availability of land for biomass production, the various biomass production options, biomass productivity rates, financial viability, investment required to produce biomass for energy and the barriers to biomass ... -
Swift-heavy-ion irradiation on Al62Cu25.5Fe12.5 quasicrystals
(2004)The effect of swift-heavy-ion irradiation on a very stable and well-studied Al62Cu25.5Fe12.5 icosahedral quasicrystalline system is discussed here. The experiments are performed in the pure electronic excitation regime, ... -
Switching overvoltages in a three-phase transformer
(1992)Switching operations to energize or isolate a transformer result in voltages and currents of complex waveshapes in the transformer windings. The surges transferred to the coupled nonenergized windings when one winding of ... -
Switching overvoltages in line-transformer and cable-transformer cascades
(1992)Overvoltages in a transformer can be generated by switching events either at the terminals of the transformer or in the connected power system. The objective of the study is to formulate a method of calculating the ... -
SYMCAD: synthesis of microprogrammed control for automated VLSI design
(1990)The paper discusses a software package named SYMCAD, a retargetable microcode synthesizer which forms part of a microprogrammed control synthesis in the VLSI CAD system IDEAS (Integrated Design Automation System). The ... -
Synergetic effect of polyols with tetrabutylammonium bromide and urea on the thermal stability of lysozyme
(1997)The thermal denaturation of lysozyme was studied in 2.0 molal aqueous solutions of polyols at pH 2.50 and varying concentration of glycerol at pH 2.50 and 6.00 using differential scanning calorimetry (DSC). The transition ... -
Synthesis and ansa substitution of novel examples of aryl hydrido fluorophosphazenes
(2003)The first examples of uncharged aryl substituted fluorinated hydridophosphazenes, N3P3F4(Ar)H [Ar=C6H5 (1), p-ClC6H4 (2)] were obtained in an unprecedented manner upon fluorination of diaryloctachlorobi(cyclophosphazenes) ... -
Synthesis and characterisation of bis(salicylato)diisothiocyanato silicates: First example of hexacoordinate silicate dianions with six membered rings
(1999)Synthesis of hexacoordinate dianionic silicates [(C2H4O3) Si(NCS)2]-2 [BH]2 [B=Py(1),3-MePy(2),4-MePy(3)] bearing six membered rings around a silicon atom are reported. The complexes 1–3 are prepared from a reaction between ... -
Synthesis and characterization of complexes of cobalt(II), nickel(II), zinc(II), cadmium(II) and mercury(II) with p-acetamidobenzaldehyde thiosemicarbazone
(1993)Some complexes of p-acetamidobenzaldehyde thiosemicarbazone (thiacetazone) with cobalt(II), nickel(II), zinc(II), cadmium(II) and mercury(II) have been prepared and their magnetic, spectral and thermal data suggest that ... -
Synthesis and characterization of some arene hydrido-complexes [Ru(n6-arene)(EPh3)2H]+ (n6-arene=benzene, p-cymene or hexamethylbenzene; E=P, As or Sb). Crystal structure of [Ru(n6-C6H6)(PPh3)2H]BF4
(1998)[{Ru(n6-arene)Cl2}2] (n6-arene=benzene, p-cymene or hexamethylbenzene) reacts with EPh3 (E=P, As or Sb) in methanol to give monomeric cationic arene hydrido complexes [Ru(n6-arene)(EPh3)2H]+ in presence of AgBF4 or AgPF6. ... -
Synthesis and dielectric properties of magnesium niobate -magnesium tantalate solid solutions
(2001)Monophasic Oxides of the type MgNb2−xTaxO6 (0 ≤ x ≤ 2) have been synthesized by solid-state reactions using Mg(NO3)2·6H2O as the source of Mg. The oxides crystallize in the orthorhombic columbite structure till X = 1.75 ... -
Synthesis and metal ion uptake studies of chelating resins derived from formaldehyde-furfuraldehyde condensed phenolic Schiff bases of 4,4′-diaminodiphenylether and o-hydroxyacetophenone
(2002)Two new chelating resins (o-HAP-DDE-HCHO and o-HAP-DDE-FFD), having multiple functional groups are synthesised by condensing the Schiff base of o-hydroxyacetophenone-4,4′-diaminodiphenylether (o-HAP-DDE) with formaldehyde ... -
Synthesis and metal sorption studies of p-tert-butylcalix[8]arene chemically bound to polymeric support
(1996)The synthesis of a new chelating resin, in which p-tet+butylcalix[8]arene is incorporated into a polymeric matrix (XAD-4), is reported. The resin was used for the sorption of some transition metal ions, uranium and thorium ... -
Synthesis and microwave dielectric properties of Sr3Zn1−xMgxNb2O9 phases
(2002)Oxides of the type, Sr3Zn1−xMgxNb2O9 (0≤x≤1) have been obtained by the ceramic method. These oxides crystallize in the hexagonal cell corresponding to ordered triple perovskites. Sintered disks show nearly frequency-independent ... -
Synthesis and multinuclear NMR studies of 3-aminopropyliarylkhalcogenides, NH2CH2CH2CH2,EAr (E=Se, Tel), and their complexes with Pt(II) and Pd(II)
(1995)The asymmetric ligands, 3-aminopropyl(aryl)tellurides (la, lb) [At = Ph (a); C,H,-OMe (b)] and 3- aminopropyl(phenyl)selenide (2) and their complexes with platinum(U) and palladium(U), viz. [PtCl,(la, lb)] (3, 41, [PtCl,(2)] ... -
Synthesis and NMR study of pyridinocholaphanes
(2002)Pyridinocholaphanes based on cholic, deoxycholic and lithocholic acids with ethylenediamine and m-xylylenediamine as spacers were synthesized using Cs-salt methodology. Their structures were elucidated on the basis of their ... -
Synthesis and reactivity of novel oligosilanes bearing functional carbosilane side chains
(2001)New carbosilane monomers R1R2R3SiXSiH3 (X=CH2CH2-and -CH(CH3); R1=H, R2=Me, R3=Ph (1a); R1=H, R2, R3=Ph (2a); R1, R2, R3=Et (3a) bearing primary and/or tertiary Si-H groups undergo Cp2TiCl2/n-BuLi catalyzed dehydropolymerization ... -
Synthesis and sintering characteristics of Y–Ba–Cu-oxide superconductors
(2004)Y–Ba–Cu-Oxide (YBCO) powder were prepared by three different techniques and the isothermal sintering characteristics of the synthesized powder were systematically investigated using a thermo-mechanical analyzer (TMA). ... -
Synthesis of [ArTe(DTC/XNT)(NaDTC/XNT)] (DTC = dithiocarbamate and XNT = xanthate) through ligand substitution reactions of arylbis(thiosemicarbazone)tellurium(II) chloride
(1992)[ArTe(XTSC)2]Cl (XTSC = benzaldehyde/salicylaldehyde thiosemicarbazone) reacts with sodium salts of dithiocarbamates (DTC) and xanthates (XNT) in a 1 : 2 molar ratio resulting in the formation of [ArTe(DTC/XNT)(NaDTC/XNT)]. ... -
Synthesis of a chelating polymer matrix by immobilizing Alizarin Red-S on Amberlite XAD-2 and its application to the preconcentration of lead(II), cadmium(II), zinc(II) and nickel(II)
(1994)A very stable chelating resin matrix was synthesized by covalently linking Alizarin Red-S with the benzene ring of the polymer Amberlite XAD-2 through an −N---N− group. The resin was characterized by elemental analyses, ...