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Articles 20581 - 20610 of 20684

Full-Text Articles in Physical Sciences and Mathematics

The Reaction Of Acetaldehyde With Some Cobalt (Iii) Complexes Containing Coordinated Glycine, James C. Dabrowiak Aug 1970

The Reaction Of Acetaldehyde With Some Cobalt (Iii) Complexes Containing Coordinated Glycine, James C. Dabrowiak

Dissertations

No abstract provided.


The Synthesis And Photolysis Of Kreysiginone And The Syntheses And Antibacterial Activity Of 1-Vinyl-3,4-Dihydroisoquinoline Methiodides, Bruce L. Jensen Aug 1970

The Synthesis And Photolysis Of Kreysiginone And The Syntheses And Antibacterial Activity Of 1-Vinyl-3,4-Dihydroisoquinoline Methiodides, Bruce L. Jensen

Dissertations

No abstract provided.


Part I. The Stereochemistry Of Carbanions Formed By Base Catalyzed Decomposition Of Azoacetates Part Ii. Anomalous Decarbonylation Of 4 –Substituted Carboxylic Acids With Thionyl Chloride, Tai-Shun Lin Aug 1970

Part I. The Stereochemistry Of Carbanions Formed By Base Catalyzed Decomposition Of Azoacetates Part Ii. Anomalous Decarbonylation Of 4 –Substituted Carboxylic Acids With Thionyl Chloride, Tai-Shun Lin

Dissertations

Introduction

Although the stereochemical capabilities of carbonium ions have been extensively investigated, the stereochemical fate of carbanions has been subjected relatively little to systematic scrutiny. The fact that only a limited number of clean-cut sources of carbanions are available has added difficulty to such investigations.

The stereochemical capabilities of carbanions has been extensively and thoroughly examined in recent years by Cram and coworkers. However, the carbanion carbon developed in the reactions employed was bonded in every case to an unsaturated (usually aromatic) group. No fully aliphatic carbanion has been subjected to such a stereochemical study.

The reaction of lead tetraacetate …


Small Angle Elastic Scattering Of 1.33 Mev Photons From Lead, Chwan-Kang Chiang Aug 1970

Small Angle Elastic Scattering Of 1.33 Mev Photons From Lead, Chwan-Kang Chiang

Masters Theses

No abstract provided.


The Design, Construction, And Application Of A Multibeam Fiber Optics Photometric Titrator, Marlin George Bensinger Aug 1970

The Design, Construction, And Application Of A Multibeam Fiber Optics Photometric Titrator, Marlin George Bensinger

Masters Theses

No abstract provided.


On Extremal Partitions Of Graphs, John A. Mitchem Apr 1970

On Extremal Partitions Of Graphs, John A. Mitchem

Dissertations

No abstract provided.


Elastic Scattering Of 1.33 Mev Gamma Rays From Uranium, Joan Sue De Vries Apr 1970

Elastic Scattering Of 1.33 Mev Gamma Rays From Uranium, Joan Sue De Vries

Masters Theses

No abstract provided.


The Stepwise Nature Of The Unwrapping And Transfer Of Ethylenediaminediacetate From Nickel(Ii) To Copper(Ii), Robert Swann Apr 1970

The Stepwise Nature Of The Unwrapping And Transfer Of Ethylenediaminediacetate From Nickel(Ii) To Copper(Ii), Robert Swann

Masters Theses

No abstract provided.


A Direct Measurement Of The Ratio Of The Reaction Cross Sections For Two-Photon And Three-Photon Annihilation Of A Positron And An Electron In Aluminum, Jeffrey Ira Siegel Apr 1970

A Direct Measurement Of The Ratio Of The Reaction Cross Sections For Two-Photon And Three-Photon Annihilation Of A Positron And An Electron In Aluminum, Jeffrey Ira Siegel

Masters Theses

No abstract provided.


A Study Of Defects In Platinum Using Positron Annihilation, Clarence D. Esseltine Apr 1970

A Study Of Defects In Platinum Using Positron Annihilation, Clarence D. Esseltine

Masters Theses

No abstract provided.


Dimethyl Sulfoxide Oxydation Of Hydroxy-Steroids And Studies On The Oxidation Of The 5’–Hydroxy Group Of Nucleosides, Carmen V. Zenarosa Dec 1969

Dimethyl Sulfoxide Oxydation Of Hydroxy-Steroids And Studies On The Oxidation Of The 5’–Hydroxy Group Of Nucleosides, Carmen V. Zenarosa

Dissertations

Introduction

In our earlier work we demonstrated the usefulness of the acidcatalyzed reaction between N-(p -tolyl)diphenylketenimine (21) and dimethyl sulfoxide (DMSO) for the oxidation of secondary alcohols. This was exemplified by the oxidation of 2',3'-O-isopropylideneadenosine and other secondary alcohols.1 We have now extended this procedure to the oxidation of hydroxy-steroids.

Alkynylamines or ynamines can be written in two resonance forms: R-C≡C-N R'2 and R-C=C=NR'2. Because of the close similarity between the latter structure and the structure of a ketenimine (R2C=C=N-R') and the ability of sulfoxide-ketenimine to effect the oxidation of secondary alcohols, we …


Simultaneous Knudsen- And Torsion- Effusion Measurements Of The Vapor Pressures Of Tetraphenyltin And Hexaphenylditin, Dale Keiser Dec 1969

Simultaneous Knudsen- And Torsion- Effusion Measurements Of The Vapor Pressures Of Tetraphenyltin And Hexaphenylditin, Dale Keiser

Masters Theses

No abstract provided.


A Study Of Some Matrix Elements For The Four-Pion Decay Mode Of Neutral Bosons, George Victor Weller Dec 1969

A Study Of Some Matrix Elements For The Four-Pion Decay Mode Of Neutral Bosons, George Victor Weller

Masters Theses

No abstract provided.


Characterizations Of Some Functors Of Categories Of Banach Spaces, Kenneth L. Pothoven Dec 1969

Characterizations Of Some Functors Of Categories Of Banach Spaces, Kenneth L. Pothoven

Dissertations

No abstract provided.


Transpiration Measurements Of The Decomposition Pressures Of Barium Hexafluorosilicate, Kemal Cankaya Dec 1969

Transpiration Measurements Of The Decomposition Pressures Of Barium Hexafluorosilicate, Kemal Cankaya

Masters Theses

No abstract provided.


Preparation And Lead Tetraacetate Oxidation Of Aldehydic Hydrazones, Alan J. Quarfoot Dec 1969

Preparation And Lead Tetraacetate Oxidation Of Aldehydic Hydrazones, Alan J. Quarfoot

Masters Theses

No abstract provided.


The Effect Of The Rate Of Formation On The Structure And Properties Of Paper, William M. Reif Dec 1969

The Effect Of The Rate Of Formation On The Structure And Properties Of Paper, William M. Reif

Masters Theses

Paper contains an uneven distribution of fiber fractions through its cross section. The objective of this study was to determine how the rate of formation affected the structure and properties of paper. The structure of paper was analyzed with reference to the cross-sectional distribution of fines and the fines to long fibers ratio in the paper.

The formation rate and distribution of fins were varied by applying a vacuum to the British sheetmold system. As the fines were a different color than the long fibers, their distribution was determined by analyzing the brightness values of layers split from the paper. …


Homogenous Catalytic Hydrogenation Of Organic Compounds Using Rhodium-Triarylphosphine Complexes, Jack Lee Parsons Aug 1969

Homogenous Catalytic Hydrogenation Of Organic Compounds Using Rhodium-Triarylphosphine Complexes, Jack Lee Parsons

Dissertations

Introduction

The purpose of this research was to study the homogeneous catalytic hydrogenation of α,β-unsaturated organic compounds containing a wide variety of reducible functional groups. The catalysts to be used were rhodium complexes of triarylphosphines. It was also desired to develop these catalytic systems into practical synthetic methods for the reduction of unsaturated compounds.


The Wittig Reaction Of Stabalized Phosphonium Ylids With Derivatives Of D-Ribose, George Robert Wellman Aug 1969

The Wittig Reaction Of Stabalized Phosphonium Ylids With Derivatives Of D-Ribose, George Robert Wellman

Masters Theses

No abstract provided.


The Mossbauer Effect In Ferric Stearate And Ferric Oleate, Ronald L. Wilson Aug 1969

The Mossbauer Effect In Ferric Stearate And Ferric Oleate, Ronald L. Wilson

Masters Theses

No abstract provided.


Inelastic Deuteron Scattering From 151Eu, Gerald Ralph Boss Aug 1969

Inelastic Deuteron Scattering From 151Eu, Gerald Ralph Boss

Masters Theses

No abstract provided.


The Elastic Scattering Of 1.33 Mev Gamma Rays From Tin, J. Edward Terdal Aug 1969

The Elastic Scattering Of 1.33 Mev Gamma Rays From Tin, J. Edward Terdal

Masters Theses

No abstract provided.


Angular Correlation Of Positron Annihilation Radiation In Damaged Nickel And Iron, Hsien Chen Huang Aug 1969

Angular Correlation Of Positron Annihilation Radiation In Damaged Nickel And Iron, Hsien Chen Huang

Masters Theses

No abstract provided.


Knudsen- And Torsion- Effusion Measurements Of The Vapor Pressure Of Manganese(Ii) Fluoride, Walter Clayton Hitchingham Apr 1969

Knudsen- And Torsion- Effusion Measurements Of The Vapor Pressure Of Manganese(Ii) Fluoride, Walter Clayton Hitchingham

Masters Theses

No abstract provided.


Elastic Scattering Of 1.33 Mev Gamma Rays From Lead, William Jack Merrow Apr 1969

Elastic Scattering Of 1.33 Mev Gamma Rays From Lead, William Jack Merrow

Masters Theses

No abstract provided.


Elastic Scattering Of 1.33 Mev Gamma Rays From Uranium, David Rood Schwandt Apr 1969

Elastic Scattering Of 1.33 Mev Gamma Rays From Uranium, David Rood Schwandt

Masters Theses

No abstract provided.


Fabrication Of Lithium Drifted Germanium Detectors Of Planar Structures, Khin M. Yin Apr 1969

Fabrication Of Lithium Drifted Germanium Detectors Of Planar Structures, Khin M. Yin

Masters Theses

No abstract provided.


The Construction Of A Portable Hologram Camera, Michael Bruce Elzinga Dec 1968

The Construction Of A Portable Hologram Camera, Michael Bruce Elzinga

Masters Theses

No abstract provided.


An X-Ray Diffraction Study By The Powder Method Of Solid Solutions In The System Zno-Cro3-H2O At 25° C, William Alan Livingston Dec 1968

An X-Ray Diffraction Study By The Powder Method Of Solid Solutions In The System Zno-Cro3-H2O At 25° C, William Alan Livingston

Masters Theses

No abstract provided.


Spectrophotometric Studies Of Complex Formation Of Alpha Aminohydroxamic Acids, Jing Shyong Chen Sep 1968

Spectrophotometric Studies Of Complex Formation Of Alpha Aminohydroxamic Acids, Jing Shyong Chen

Masters Theses

No abstract provided.