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The Global ETD Search service is a free service for researchers
to find electronic theses and dissertations. This service is
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Networked Digital Library of Theses and Dissertations.
Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
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Showing 91 to 100 of 810 (0.038 seconds)Spelling suggestions: "subject:"radicals"" "subject:"adicals""
| 91 |
A comparison of free radical detection methodsPan, Danny Kiang-Wah 01 August 1976 (has links)
The methods used for free radical detection are chemical titration, spectrophotometry, Gouy magnetic measurements and NMR shift technique. The free radicals chosen for this study are Fremy' s salt (ON(SO_3 )K_2),2,2-diphenyl-1-picryl hydrazyl (DPPH) 3-carbamoyl-2,2,5,5-tetramethylpyrrolidin-1-yloxy (CTM-pyrrolidin), 3-carbamoyl-2,2,5,5-tetramethyl-3-pyrrolin-1-yloxy (CTM-pyrrolin), 4-acetamido-2,2,6,6-tetramethylpiperidino-1- oxyl (ATMP) and galvinoxyl. The detectable range for each method is given. The NMR method is a fast and convenient method for the magnetic susceptibility determination of a sample in solution, with. accuracy up to ± 1%.
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| 92 |
Effect of structure of phenothiazine cation radicals on reactions with aqueous nucleophiles /Sackett, Patricia Holt January 1979 (has links)
No description available.
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| 93 |
The electronic spectra of AlCl and CNO.Contolini, Robert John January 1981 (has links)
No description available.
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| 94 |
Spectroelectrochemical examination of the reactions of chlorpromazine cation radical /Mayausky, John S. January 1982 (has links)
No description available.
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| 95 |
The effect of substituents on the closure-fragmentation ratios of 1,4-biradicals : implications on the regiochemistry of pyrimidinedione /Savino, Thomas G. January 1983 (has links)
No description available.
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| 96 |
The effects of fluorine on the closure-to-cleavage ratios of 1,4 biradicals /McConnell, James Russell January 1984 (has links)
No description available.
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| 97 |
Kinetic studies of alpha-silyl radicals : 1) relative rates of bromination of substituted benzyltrimethylsilanes : 2) laser flash photolysis study of the absolute rates of formation of alpha-silyl radicals /Venham, Lanny Dean January 1986 (has links)
No description available.
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| 98 |
Total syntheses of (+,-) pleurotin and (+,-) dihydropleurotin acid /Huang, Horng-Chih January 1988 (has links)
No description available.
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| 99 |
Vibronic structure and rotational spectra of radicals in degenerate electronic state. Case of CH₃O and asymmetrically deuterated isotopomers (CHD₂O and CH₂DO) /Stakhursky, Vadim Leonidovich, January 2005 (has links)
Thesis (Ph. D.)--Ohio State University, 2005. / Title from first page of PDF file. Document formatted into pages; contains xv, 323 p.; also includes graphics (some col.) Includes bibliographical references. Available online via OhioLINK's ETD Center
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| 100 |
Radikálové produkty oxidace vybraných typů fenolů a aminů / Radical products of the oxidation of selected phenols and aminesHolubcová, Petra January 2008 (has links)
In the framework of diploma thesis, radical products of the oxidation of selected paramethyl phenols and secondary amines were investigated. In the case of para-methyl phenols using EPR spectroscopy the reaction mechanism was proved, where the abstraction of hydrogen from para-methyl group is involved. In this way benzyl radicals are formed, which can be identified by spin-trapping technique using nitroso compounds. The adducts formed undergo the consecutive rearrangement, which leads to the formation of the corresponding nitrones. In addition to phenols, the radical products of the oxidation of some secondary amines using peroxy radicals and peroxy acids were studied. In both cases new types of nitroxyle radicals were generated and the EPR parameters were determined by spectral simulation.
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