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Articles 89341 - 89370 of 91705
Full-Text Articles in Entire DC Network
Natural Variation In Susceptibility Of Pinus To Neodiprion Sawflies As A Basis For The Development Of A Breeding Scheme For Resistant Trees, Walter R. Henson, Louis C. O'Neil, Francois Mergen
Natural Variation In Susceptibility Of Pinus To Neodiprion Sawflies As A Basis For The Development Of A Breeding Scheme For Resistant Trees, Walter R. Henson, Louis C. O'Neil, Francois Mergen
Yale School of the Environment Bulletin Series
No abstract provided.
Test 1054: Ford 2000 Gasoline 6-Speed (All Purpose), Nebraska Tractor Test Lab
Test 1054: Ford 2000 Gasoline 6-Speed (All Purpose), Nebraska Tractor Test Lab
Nebraska Tractor Tests
EXPLANATION OF TEST REPORT
GENERAL CONDITIONS
East tractor is a production model equipped for common usage. Power consuming accessories can be disconnected only when it is convenient for the operator to do so in practice. Additional weight can be added as ballast if the manufacturer regularly supplies it for sale. The static tire loads and the inflation pressures muse conform to recommendations in the Tire Standards published by the Society of Automotive Engineers.
PREPARATION FOR PERFORMANCE RUNS
The engine crank case is drained and refilled with a measured amount of new oil conforming to specifications in the operator’s manual. The …
(02) The Papers Of Robert H. Goddard, Volume I: [1927 And 1933: Material For An Autobiography], Robert H. Goddard, Esther C. Goddard, G. Edward Pendray
(02) The Papers Of Robert H. Goddard, Volume I: [1927 And 1933: Material For An Autobiography], Robert H. Goddard, Esther C. Goddard, G. Edward Pendray
The Papers of Robert H. Goddard
Meticulously curated and edited by Esther C. Goddard and G. Edward Pendray, The Papers of Robert H. Goddard is a 1700-page 3 volume set published in 1970. The set presents a careful and exhaustive chronological presentation of Robert Goddard’s life through diary snippets, notebook entries, correspondence, publications, speeches, patent outlines, school papers, press, reports and more.
This section contains material for an autobiography written by Robert Goddard in 1927 with interpolations in 1933.
Disclaimer: The images in these scans have been rendered somewhat distorted after the fact. We apologize for this error. Thankfully, most of the photographs used in these …
(06) The Papers Of Robert H. Goddard, Volume I: 1898-1924 [1921-1924: Beginnings Of Experimentation With Liquid Propellants], Robert H. Goddard, Esther C. Goddard, G. Edward Pendray
(06) The Papers Of Robert H. Goddard, Volume I: 1898-1924 [1921-1924: Beginnings Of Experimentation With Liquid Propellants], Robert H. Goddard, Esther C. Goddard, G. Edward Pendray
The Papers of Robert H. Goddard
Meticulously curated and edited by Esther C. Goddard and G. Edward Pendray, The Papers of Robert H. Goddard is a 1700-page 3 volume set published in 1970. The set presents a careful and exhaustive chronological presentation of Robert Goddard’s life through diary snippets, notebook entries, correspondence, publications, speeches, patent outlines, school papers, press, reports and more.
This section covers Robert Goddard's life from 1921 through 1924. During this time, Goddard began his experimentation with liquid propellants for rockets, became a part-time consultant on solid-propellant rocket weapons for the U.S government, began a twenty-year tenure as Director of Physical Laboratories at …
(04) The Papers Of Robert H. Goddard, Volume I: 1898-1924 [1898-1914: Speculation And Preparation], Robert H. Goddard, Esther C. Goddard, G. Edward Pendray
(04) The Papers Of Robert H. Goddard, Volume I: 1898-1924 [1898-1914: Speculation And Preparation], Robert H. Goddard, Esther C. Goddard, G. Edward Pendray
The Papers of Robert H. Goddard
Meticulously curated and edited by Esther C. Goddard and G. Edward Pendray, The Papers of Robert H. Goddard is a 1700-page 3 volume set published in 1970. The set presents a careful and exhaustive chronological presentation of Robert Goddard’s life through diary snippets, correspondence, publications, speeches, patent outlines, school papers, press, reports and more.
This section covers Robert Goddard's life from age sixteen through thirty-two. It contains diary entries, correspondence, school themes, entries from his green notebooks (used for calculations), a graduation oration, published articles,
This section contains the following articles:
"The Use of the Gyroscope in the Balancing and …
(09) The Papers Of Robert H. Goddard, Volume Ii: 1925-1937 [1930-1932: The First New Mexico Adventure], Robert H. Goddard, Esther C. Goddard, G. Edward Pendray
(09) The Papers Of Robert H. Goddard, Volume Ii: 1925-1937 [1930-1932: The First New Mexico Adventure], Robert H. Goddard, Esther C. Goddard, G. Edward Pendray
The Papers of Robert H. Goddard
Meticulously curated and edited by Esther C. Goddard and G. Edward Pendray, The Papers of Robert H. Goddard is a 1700-page 3 volume set published in 1970. The set presents a careful and exhaustive chronological presentation of Robert Goddard’s life through diary snippets, notebook entries, correspondence, publications, speeches, patent outlines, school papers, press, reports and more.
This section covers Robert Goddard's life from mid 1930 to mid 1932 when Goddard received his first Guggenheim grant (this one from Daniel) which would bring Robert and Esther to Roswell, New Mexico for two years of rocket research. They would soon relocate to …
(13) The Papers Of Robert H. Goddard, Volume Iii: 1938-1945 [1938-1941: Rockets With Turbopumps], Robert H. Goddard, Esther C. Goddard, G. Edward Pendray
(13) The Papers Of Robert H. Goddard, Volume Iii: 1938-1945 [1938-1941: Rockets With Turbopumps], Robert H. Goddard, Esther C. Goddard, G. Edward Pendray
The Papers of Robert H. Goddard
Meticulously curated and edited by Esther C. Goddard and G. Edward Pendray, The Papers of Robert H. Goddard is a 1700-page 3 volume set published in 1970. The set presents a careful and exhaustive chronological presentation of Robert Goddard’s life through diary snippets, correspondence, publications, speeches, patent outlines, school papers, press, reports and more.
This section covers 1938 to 1942. During this period, Goddard begins to develop turbine-driven pumps for liquid propellant rockets and conducts a series of flight tests with pump-driven rockets.
This section contains correspondence by, to, and about Robert H. Goddard from the following people and entities: …
(05) The Papers Of Robert H. Goddard, Volume I: 1898-1924 [1915-1920: Experimentation With Solid Propellants], Robert H. Goddard, Esther C. Goddard, G. Edward Pendray
(05) The Papers Of Robert H. Goddard, Volume I: 1898-1924 [1915-1920: Experimentation With Solid Propellants], Robert H. Goddard, Esther C. Goddard, G. Edward Pendray
The Papers of Robert H. Goddard
Meticulously curated and edited by Esther C. Goddard and G. Edward Pendray, The Papers of Robert H. Goddard is a 1700-page 3 volume set published in 1970. The set presents a careful and exhaustive chronological presentation of Robert Goddard’s life through diary snippets, notebook entries, correspondence, publications, speeches, patent outlines, school papers, press, reports and more.
This section covers Robert Goddard's life from 1915 through 1920. During this time, he became an Assistant Professor in Physics at Clark University, demonstrated that reaction takes place in a vacuum, hence a rocket could function in airless space, received his first Smithsonian grant …
(14) The Papers Of Robert H. Goddard, Volume Iii: 1938-1945 [1941-1945: Jato And Variable Thrust For The Military], Robert H. Goddard, Esther C. Goddard, G. Edward Pendray
(14) The Papers Of Robert H. Goddard, Volume Iii: 1938-1945 [1941-1945: Jato And Variable Thrust For The Military], Robert H. Goddard, Esther C. Goddard, G. Edward Pendray
The Papers of Robert H. Goddard
Meticulously curated and edited by Esther C. Goddard and G. Edward Pendray, The Papers of Robert H. Goddard is a 1700-page 3 volume set published in 1970. The set presents a careful and exhaustive chronological presentation of Robert Goddard’s life through diary snippets, correspondence, publications, speeches, patent outlines, school papers, press, reports and more.
This section covers the final years of Robert Goddard's life, from 1941 to 1945. During this time, he became the Director of Research for the Bureau of Aeronautics, Navy Department, at Annapolis, Maryland, developing variable-thrust rocket motor later used on Bell X-2 rocket plane. He also …
(11) The Papers Of Robert H. Goddard, Volume Ii: 1925-1937 [1934-1937: Return To New Mexico; Pressure-Tank Rockets], Robert H. Goddard, Esther C. Goddard, G. Edward Pendray
(11) The Papers Of Robert H. Goddard, Volume Ii: 1925-1937 [1934-1937: Return To New Mexico; Pressure-Tank Rockets], Robert H. Goddard, Esther C. Goddard, G. Edward Pendray
The Papers of Robert H. Goddard
Meticulously curated and edited by Esther C. Goddard and G. Edward Pendray, The Papers of Robert H. Goddard is a 1700-page 3 volume set published in 1970. The set presents a careful and exhaustive chronological presentation of Robert Goddard’s life through diary snippets, notebook entries, correspondence, publications, speeches, patent outlines, school papers, press, reports and more.
This section covers Robert Goddard's life from mid-1934 through 1937. During this time, Robert and Esther Goddard began their second stint in Roswell, New Mexico for Guggenheim funded rocket research (the first was 1930 to 1932). This one would last from 1934 to 1942. …
Apparatus For Dielectric Constant Measurements And Measurements For Water-Methanol Mixtures, James O. Wear
Apparatus For Dielectric Constant Measurements And Measurements For Water-Methanol Mixtures, James O. Wear
Journal of the Arkansas Academy of Science
A system for measuring dielectric constants has been constructed using a Sargent Oscillometer and an air bath for temperature control. The design and construction of the air bath as well as the temperature control achieved with it are described. The overall performance of the system including a computer program for forming the calculations is described. The system is one that requires calibration using two or more standard solvents and is good for both conducting and non-conducting liquids. Data are presented for water-methanol mixtures at 25 degrees with several points near pure methanol and also near pure water
Developing An Optical Scanner Card For Computerized Football Scouting, Curtis Lowell Byrnes
Developing An Optical Scanner Card For Computerized Football Scouting, Curtis Lowell Byrnes
All Master's Theses
The purpose of this study is to develop an optical scanner scouting card to use in conjunction with the computer for football scouting.
Glory Scattering In Molecular Collisions: Formal Expressions For The Total Cross Section, Louis Biolsi
Glory Scattering In Molecular Collisions: Formal Expressions For The Total Cross Section, Louis Biolsi
Chemistry Faculty Research & Creative Works
An Extended Distorted-Wave Treatment is Used to Obtain Formal Expressions for the Total Cross Section When Two Rigid Diatomic Molecules with Orbital and Nuclear-Spin Angular Momenta Collide. Explicit Expressions Are Obtained through Second Order, Including the Lowest-Order Inelastic Effects.
Test 1046: International Farmall 826 Hydrostatic Diesel (Also International 826 Hydrostatic Diesel), Nebraska Tractor Test Lab
Test 1046: International Farmall 826 Hydrostatic Diesel (Also International 826 Hydrostatic Diesel), Nebraska Tractor Test Lab
Nebraska Tractor Tests
EXPLANATION OF TEST REPORT
GENERAL CONDITIONS
East tractor is a production model equipped for common usage. Power consuming accessories can be disconnected only when it is convenient for the operator to do so in practice. Additional weight can be added as ballast if the manufacturer regularly supplies it for sale. The static tire loads and the inflation pressures muse conform to recommendations in the Tire Standards published by the Society of Automotive Engineers.
PREPARATION FOR PERFORMANCE RUNS
The engine crank case is drained and refilled with a measured amount of new oil conforming to specifications in the operator’s manual. The …
Test 1047: International Farmall 1026 Hydrostatic Diesel (Also International 1026 Hydrostatic Diesel), Nebraska Tractor Test Lab
Test 1047: International Farmall 1026 Hydrostatic Diesel (Also International 1026 Hydrostatic Diesel), Nebraska Tractor Test Lab
Nebraska Tractor Tests
EXPLANATION OF TEST REPORT
GENERAL CONDITIONS
East tractor is a production model equipped for common usage. Power consuming accessories can be disconnected only when it is convenient for the operator to do so in practice. Additional weight can be added as ballast if the manufacturer regularly supplies it for sale. The static tire loads and the inflation pressures muse conform to recommendations in the Tire Standards published by the Society of Automotive Engineers.
PREPARATION FOR PERFORMANCE RUNS
The engine crank case is drained and refilled with a measured amount of new oil conforming to specifications in the operator’s manual. The …
Test 1048: International Farmall 1456 Diesel (Also International 1456 Diesel), Nebraska Tractor Test Lab
Test 1048: International Farmall 1456 Diesel (Also International 1456 Diesel), Nebraska Tractor Test Lab
Nebraska Tractor Tests
EXPLANATION OF TEST REPORT
GENERAL CONDITIONS
East tractor is a production model equipped for common usage. Power consuming accessories can be disconnected only when it is convenient for the operator to do so in practice. Additional weight can be added as ballast if the manufacturer regularly supplies it for sale. The static tire loads and the inflation pressures muse conform to recommendations in the Tire Standards published by the Society of Automotive Engineers.
PREPARATION FOR PERFORMANCE RUNS
The engine crank case is drained and refilled with a measured amount of new oil conforming to specifications in the operator’s manual. The …
Test 1058: Case 770 Power Shift Diesel, Nebraska Tractor Test Lab
Test 1058: Case 770 Power Shift Diesel, Nebraska Tractor Test Lab
Nebraska Tractor Tests
EXPLANATION OF TEST REPORT
GENERAL CONDITIONS
East tractor is a production model equipped for common usage. Power consuming accessories can be disconnected only when it is convenient for the operator to do so in practice. Additional weight can be added as ballast if the manufacturer regularly supplies it for sale. The static tire loads and the inflation pressures muse conform to recommendations in the Tire Standards published by the Society of Automotive Engineers.
PREPARATION FOR PERFORMANCE RUNS
The engine crank case is drained and refilled with a measured amount of new oil conforming to specifications in the operator’s manual. The …
Test 1061: Case 770 Manual Gasoline, Nebraska Tractor Test Lab
Test 1061: Case 770 Manual Gasoline, Nebraska Tractor Test Lab
Nebraska Tractor Tests
EXPLANATION OF TEST REPORT
GENERAL CONDITIONS
East tractor is a production model equipped for common usage. Power consuming accessories can be disconnected only when it is convenient for the operator to do so in practice. Additional weight can be added as ballast if the manufacturer regularly supplies it for sale. The static tire loads and the inflation pressures muse conform to recommendations in the Tire Standards published by the Society of Automotive Engineers.
PREPARATION FOR PERFORMANCE RUNS
The engine crank case is drained and refilled with a measured amount of new oil conforming to specifications in the operator’s manual. The …
Absolute Excitation Cross Sections Of He⁺ In 20-100 Kev He⁺-He Collisions Using Energy-Loss Spectrometry, Donald Roy Schoonover
Absolute Excitation Cross Sections Of He⁺ In 20-100 Kev He⁺-He Collisions Using Energy-Loss Spectrometry, Donald Roy Schoonover
Doctoral Dissertations
"Application of positive-ion energy-loss spectrometry has been extended to include experimental determination of absolute excitation cross sections of ground state helium ions. Helium ion-atom collisions were studied for impact energies ranging between 20-100 keV, in 10 keV intervals. The data were taken with an apparatus resolution between 0.6-o.8 eV FWHM. Cross sections for transitions from ground state to the second and third principal quantum levels of the ion plotted as a function of impact energy were still rapidly increasing at 100 keV. The cross sections at this energy were 1.64(± 0.28) x 10⁻¹⁸cm² for He⁺(l²s1/2) -> He⁺(n = …
Excitation Of Hydrogen Atoms By Fast Protons, Edward Ellis Fitchard
Excitation Of Hydrogen Atoms By Fast Protons, Edward Ellis Fitchard
Physics Theses & Dissertations
In this thesis a theoretical study is made of excitation of hydrogenic atom by charged particles such as protons or electrons. The approximation to the cross section for an inelastic scattering process is obtained under the following radically simplifying assumptions. The projectile is represented in its initial and final state by plane waves. All distortions are neglected whether they originate in an inelastic process or an elastic deflections of the charged particle by the nucleus. The perturbation of the atomic orbits between which the projectile induces transitions is neglected. Nonrelativistic hydrogenic wave functions are used for the electronic states. In …
Studies Of Rare Earth Acid Oxalates, Kenneth Clinton Pyles
Studies Of Rare Earth Acid Oxalates, Kenneth Clinton Pyles
Masters Theses
No abstract provided.
(15) The Papers Of Robert H. Goddard, Volume Iii: 1938-1945 [Appendices], Robert H. Goddard, Esther C. Goddard, G. Edward Pendray
(15) The Papers Of Robert H. Goddard, Volume Iii: 1938-1945 [Appendices], Robert H. Goddard, Esther C. Goddard, G. Edward Pendray
The Papers of Robert H. Goddard
Meticulously curated and edited by Esther C. Goddard and G. Edward Pendray, The Papers of Robert H. Goddard is a 1700-page 3 volume set published in 1970. The set presents a careful and exhaustive chronological presentation of Robert Goddard’s life through diary snippets, correspondence, publications, speeches, patent outlines, school papers, press, reports and more.
These are the Appendices across all three volumes of The Papers of Robert H. Goddard. They are split into six parts:
1. Affidavits Concerning Rocket and Other Ideas, 1924-1942
2. Description of Affidavits Selected as Important by Robert H. Goddard, 1933-1934
3. Published Articles and Papers …
(12) The Papers Of Robert H. Goddard, Volume Iii: 1938-1945 [1938: Pressure-Tank Rockets Concluded], Robert H. Goddard, Esther C. Goddard, G. Edward Pendray
(12) The Papers Of Robert H. Goddard, Volume Iii: 1938-1945 [1938: Pressure-Tank Rockets Concluded], Robert H. Goddard, Esther C. Goddard, G. Edward Pendray
The Papers of Robert H. Goddard
Meticulously curated and edited by Esther C. Goddard and G. Edward Pendray, The Papers of Robert H. Goddard is a 1700-page 3 volume set published in 1970. The set presents a careful and exhaustive chronological presentation of Robert Goddard’s life through diary snippets, correspondence, publications, speeches, patent outlines, school papers, press, reports and more.
This section covers the year 1938, concluding Goddard's work with pressure-tank rockets. Following this, he would focus his attention on developing turbine-driven pumps for liquid propellants.
This section contains correspondence by, to, and about Robert H. Goddard from the following people and entities: William R. Enyart, …
The Radial Distribution Curve Of "Anomalous" Water By X-Ray Diffraction, Jerome Dechelette
The Radial Distribution Curve Of "Anomalous" Water By X-Ray Diffraction, Jerome Dechelette
Masters Theses
"Amorphous and liquid samples, believed to be "anomalous" water were studied by X-ray diffraction. A diffusion ring, characteristic of liquids and glass was observed at Θ =10.5º. For purposes of comparison an X-ray diffraction pattern was obtained for pure water under nearly identical conditions. By means of a microdensitometer, X-ray intensity curves were prepared from the diffraction patterns and corrected for absorption and polarization. From the Fourier transform of the intensities, we obtained the radial distribution curves. The radial distribution curve for water, obtained in previous work, shows an initial peak at 2.9Å. This peak is due to the nearest …
The Assignment Problem And A Suboptimal Solution Technique, William Barry Gregory
The Assignment Problem And A Suboptimal Solution Technique, William Barry Gregory
Masters Theses
"A technique is presented which finds a fast suboptimal solution to the assignment problem. This same technique is then applied to two large dynamic programming problems for which the optimal solution is not known. These examples illustrate how easily this technique can be applied and that it is better than most optimizing techniques because it is fast, cheap and only minor hand calculations are needed. The effect of different initial solutions and their value are compared and it is found that the initial solution is not as significant in a suboptimal technique as in an optimizing technique. The initial solution …
Modified Method Of Linear Associative Retrieval, James Donald Byrd
Modified Method Of Linear Associative Retrieval, James Donald Byrd
Masters Theses
"It is becoming increasingly important for those in decision making positions to have the most current and accurate data possible as related to their particular needs. Although there are several well known retrieval techniques available an intensified effort is being made at many installations to provide a retrieval system that will supply the demands of their own needs. One well known approach to the solution of information retrieval is linear associative retrieval. The solution that has been proposed requires several computer runs on some requests and therefore is very time consuming. The author has implemented a method to eliminate unnecessary …
Evaluation And Application Of Dye Tracers In Karst Terrain For Determining Aquifer Characteristics, Milton Frank Bradley
Evaluation And Application Of Dye Tracers In Karst Terrain For Determining Aquifer Characteristics, Milton Frank Bradley
Masters Theses
"As ground water becomes increasingly important as a source of water in the United States, reliable information on the hydrological characteristics of carbonate aquifers must be obtained in order to develop them intelligently. Various tracers have been used in the past to determine if two or more points are connected hydrologically. Today there exists a number of excellent dye tracers and tracer methods have been developed in unconsolidated and clastic aquifers for determining hydrological characteristics. This paper reviews the various dye tracers and methods which might be applied in a carbonate karst terrain using wells as injection and sampling points. …
Metabolism Of 3-Iodotyrosine And 3,5-Diiodotyrosine By Thyroid Extracts, Shih-Ying Sun
Metabolism Of 3-Iodotyrosine And 3,5-Diiodotyrosine By Thyroid Extracts, Shih-Ying Sun
Masters Theses
"A porcine thyroid enzyme was extracted from thyroid tissue by homogenization and differential centrifugation. The enzyme was capable of metabolizing both 3-iodotyrosine and 3,5-diiodotyrosine. All of the thyroid subcellular particles produced a fluorescent compound when incubated with these substrates. When the 1,000 x g sediment was supplemented with the 48,000 x g supernatant a second compound was formed. The compound was UV absorbing and has been identified as either 3-iodo-4-hydroxybenzaldehyde or 3,5-diiodo-4-hydroxybenzaldehyde depending upon which substrate was used. The 1,000 x g sediment was solubilized with 1% Conoco 1012-6 detergent. The activating factor in the 48,000 x g supernatant was …
The Semibullvalene Question: A Semi-Empirical Molecular Orbital And Bond Energy Approach, Shiow Yeh Lee
The Semibullvalene Question: A Semi-Empirical Molecular Orbital And Bond Energy Approach, Shiow Yeh Lee
Masters Theses
"Semi-empirical molecular orbital calculations of the Extended Ruckel and MIND0/1 type have been performed on semibullvalene and the supposed transition state for its degenerate [3,3] sigmatropic rearrangement. The results have been coupled with bond energy calculations to ascertain whether semibullvalene is homo-aromatic or is undergoing a rearrangement of exceedingly low activation energy. A preponderance of the resulting data suggests that semibullvalene is homo-aromatic"--Abstract, page ii.
Note On "Approximate Free Energies For Heisenberg Ferromagnets", J. H. Hemmann, Harry A. Brown
Note On "Approximate Free Energies For Heisenberg Ferromagnets", J. H. Hemmann, Harry A. Brown
Physics Faculty Research & Creative Works
No abstract provided.