نتایج جستجو برای: organo sulfur compounds

تعداد نتایج: 256276  

2008
H. A. SKINNER B. PEDLEY

The measurement of the heats of formation of organo-metallic compounds presents, usually, a difficult task to the experimental thermochemist. Thus the method of combustion in a conventional bomb-calorimeter, although it has been applied to a number of metallic alkyls in recent years! and yielded valuable results, is nevertheless not entirely satisfactory. The difficulty is that complete oxidati...

2008
C. T. MORTIMER

After the combustions, the phosphoric acid was, in fact, in aqueous solution, so that a correction for the heat of solution was necessary. These combustions were made in a static bomb, and as a result the concentration of phosphoric acid probably varied considerably in different parts of the bomb, leading to the comparatively large error of ±O·l per cent, associated with the heats of combustion...

2005
G. A. GARTON

Allen, R. J. L. (1940). Biochem. J. 34, 858. Aten, A. H. W. jun. & Hevesy, G. (1938). Nature, Lond., 142, 111. Berenblum, I. & Chain, E. (1938). Biochem. J. 32, 295. Blackwood, J. H. (1934). Biochem. J. 28, 1346. Garton, G. A. & Popjak, G. (1952). Biochem. J. 50, xVi. Graham, W. R. jun., Jones, T. S. G. & Kay, H. D. (1936). Proc. Roy. Soc. B, 120, 330. Hilditch, T. P. & Maddison, L. (1941). Bio...

2017
Nadia O. Ilchenko Martin Hedberg Kálmán J. Szabó

Fluorinated organic compounds have found broad application in the pharmaceutical, and agrochemical industries as well as in medical diagnostics. The impetus for the application of organouorine compounds in agrochemical and pharmaceutical products is their benecial pharmacokinetic properties, such as high metabolic stability and lipophilicity. The useful radionuclear properties of the unnatura...

Journal: :Journal of Chemical Education 1957

Journal: :Metal-Based Drugs 2002
Máfircio L. A. e Silva Alberto F. Neto Silvia A. Cardoso Sérgio Albuquerque Joseph Miller

Eight organo-iron ferrocene derivatives and arenocenium salts were prepared and evaluated by "in vitro" assay against one strain of Trypanosoma cruzi (Y). Six of the eight organo-iron compounds assayed, piperazinium diferrocenoate 1, eta(6)-(o-xylene)-eta(5)-(cyclopentadienyl) Iron(II) hexafluorophosphate 3, eta(6)-(mesitylene)-eta(5)-(cyclopentadienyl) iron(II) hexafluorphosphate 5, eta(6)-(du...

2007
Jared Delcamp

INTRODUCTION Industrial nitrogen fixation plays an important role in sustaining approximately 40% of the Earth’s population through generation of synthetic fertilizers. Annually, ca. 500 million tons of anhydrous ammonia, ammonium nitrate, and urea are produced through the Haber-Bosch process, which requires harsh conditions (200 atm, 450-500C) and affords low yields 10-20%. It has been estimat...

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