Search
Now showing items 31-40 of 99
A search for deformation effects in the energy distributions of light charged particles emitted from aligned nuclei at high angular momentum
(1984)
The energy distributions of the light charged particles evaporated from spin-aligned compound nuclei at high angular momenta formed in the reactions of 240 MeV ('40)Ar + ('nat)Se and 176.6 MeV ('20)Ne + ('150)Nd were studied ...
Stereoselective syntheses of alpha, beta-diamino acids
(1984)
A method for the threo-stereoselective synthesis of (alpha),(beta)-diamino acids has been developed. This method was applied to the synthesis of (5-chloro-2-piperidinyl)glycine (streptolutine) and analogs of streptolutine. ...
Two-dimensional fluorescence fingerprinting using a rapid scanning fluorometer
(1982)
A rapid scanning fluorometer is used for the fluorescence fingerprinting of bacteria and environmental pollutants. The fingerprint data are formatted as a two-dimensional array of fluorescence intensity as a function of ...
The synthesis and structural characterization of dinuclear and triniuclear vanadium complexes
(1983)
The reactions of VCl(,2)(.)2THF and VCl(,3)(.)3THF with ligands capable of functioning as three atom bridges between metal atoms were studied. Several new dimeric and trimeric vanadium complexes in oxidation states II to ...
Microabsorptiometry with heavy ions
(1983)
This study investigated the use of heavy ion (Z > 3) absorptiometry for the measurement of thickness/density variations in low density (1-2 g/cm('3)) materials on a microscopic scale ((LESSTHEQ) 10 (mu)m lateral resolution) ...
Studies of the electronic states of some aromatic molecules using CNDO/S
(1982)
The electronic states of two classes of highly aromatic molecules were studied using the CNDO/S-CI method. Triphenylene and coronene were chosen to represent the Highly Symmetric Aromatic Molecules while naphthaquinone, ...
Synthesis and structural characterization of dinuclear and trinuclear chromium complexes and dinuclear tungsten complexes
(1983)
Dichromium(II) compounds are unique among metal-metal quadruply bonded systems in the range of metal-metal distances they display and in the tendency of the metal atoms in neutral molecules to bind axial ligands. X-ray ...
Analysis of heavy ends of petroleum by probe microdistillationmass spectrometry
(1981)
Seven fractions of a 535-675(DEGREES)C distillate of Wilmington, California crude oil were subjected to qualitative and semi-quantitative analysis using probe microdistillation/mass spectrometry. Samples of the saturates, ...
Gas phase radicals formed on metal oxide surfaces
(1981)
The formation of gas phase radicals during the partial oxidation of propylene, 1-butene, isobutylene, and methane over several metal oxides was investigated. The radicals were isolated by employing a matrix isolation unit ...
Spontaneous, metal ion- and pyridoxamine-catalyzed decarboxylation of 2-oxalopropionic acid
(1982)
The proton association constants for the carboxyl protons of 2-oxalopropionic acid (OPA), acetoacetic acid (AAA), and (alpha)-ketobutyric acid (AKBA) were determined potentiometrically, and the dissociation constant of the ...