نتایج جستجو برای: binary complexes

تعداد نتایج: 253956  

Journal: :iranian journal of chemistry and chemical engineering (ijcce) 1997
raoof ghavami hamid abdollahi mohammad saleem khan

the complexation reactions between methylthymol blue (mtb) and co2+, ni2+, cu2+, zn2+ and pb2+ ions have been studied in different water-methanol mixtures at ph 4.45 and 25 °c by a spectrophotometric technique. the stepwise stability constants of the resulting 1:1 and 2:1 (metal ion to ligand) complexes were determined from the absorbance-mole ratio data. it was found that the overall stability...

1998
Kunihito Ioka Takeshi Chiba Takahiro Tanaka Takashi Nakamura

We study black hole MACHO binary formation through three-body interactions in the early universe at t ∼ 10−5s . The probability distribution functions of the eccentricity and the semimajor axis of binaries as well as of the coalescence time are obtained assuming that the black holes are randomly formed in space. We confirm that the previous order-of-magnitude estimate for the binary parameters ...

2003
Hirotaka Takahashi

We discuss a method of coincidence analysis to search for gravitational waves from inspiraling compact binaries using the data of two laser interferometer gravitational wave detectors. We examine the allowed difference of the wave’s parameters estimated by each detector to obtain good detection efficiency. We also discuss a method to set an upper limit to the event rate from the results of the ...

Journal: :journal of the iranian chemical research 0
surendra prasad division of chemical sciences, university of south pacific, laucala bay campus, suva, fiji ram kumar agarwal department of chemistry, lajpat rai postgraduate college, sahibabad-201 005 (ghaziabad), india hans raj modi department of chemistry, lajpat rai postgraduate college, sahibabad-201 005 (ghaziabad), india

in present studies the synthesis, characterization and biological properties ofoxovanadium(iv) coordination compounds of 4[n-(4′-ethylbenzalidene)amino] antipyrinethiosemicarbazone (ebaapts) and 4[n-(2′,4′-dimethylbenzalidene)amino] antipyrinethiosemicarbazone (dmbaapts) with the general composition vox2l (x = c1-, br-, i-, no3-or ncs-) and vo(cio4)2(l)h2o (l = ebaapts or dmbaapts) are describe...

Journal: :Chemistry and Chemical Technology 2021

Conducted experiments and collected data show that use of catalytic systems contain individual amino acids industrial catalyst – solution cobalt naphtenate with cyclohexanone have certain influence on the process liquid-phase homogeneous oxidation cyclohexane. The results spectral studies binary based NC using additives different nature (alcohols nitrogen-containing modifiers) allow us to propo...

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