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Articles 89191 - 89220 of 91712
Full-Text Articles in Entire DC Network
Test 1070: Minneapolis-Moline A4t-1600 Diesel (Also Oliver 1655 Diesel) 10-Speed, Nebraska Tractor Test Lab
Test 1070: Minneapolis-Moline A4t-1600 Diesel (Also Oliver 1655 Diesel) 10-Speed, 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 …
Local Magnetic Moments And The Mossbauer Effect, Richard B. Frankel, Brian B. Schwartz
Local Magnetic Moments And The Mossbauer Effect, Richard B. Frankel, Brian B. Schwartz
Physics
No abstract provided.
Test 1068: Case 970 Power Shift Diesel, Nebraska Tractor Test Lab
Test 1068: Case 970 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 1076: Case 870 Power Shift Diesel, Nebraska Tractor Test Lab
Test 1076: Case 870 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 1079: Steiger Bearcat Diesel 10-Speed, Nebraska Tractor Test Lab
Test 1079: Steiger Bearcat Diesel 10-Speed, 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 1080: International Farmall 1466 Turbo Diesel, Nebraska Tractor Test Lab
Test 1080: International Farmall 1466 Turbo 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 1086: Massey-Ferguson Mf 1500 Diesel, Nebraska Tractor Test Lab
Test 1086: Massey-Ferguson Mf 1500 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 1088: Case 770 Manual Diesel 8-Speed (Chassis Sn 8675001 And Up), Nebraska Tractor Test Lab
Test 1088: Case 770 Manual Diesel 8-Speed (Chassis Sn 8675001 And Up), 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 …
Anodic Dissolution Of Beryllium In Anhydrous Media, William Joseph James, Martin E. Straumanis
Anodic Dissolution Of Beryllium In Anhydrous Media, William Joseph James, Martin E. Straumanis
Chemistry Faculty Research & Creative Works
No abstract provided.
Quantitative Geomorphology And Hydrology Of The Cass River Basin, New Zealand, Frank J. Schulte
Quantitative Geomorphology And Hydrology Of The Cass River Basin, New Zealand, Frank J. Schulte
Theses and Dissertations
The Cass River drainage basin is in the Southern Alps in the central part of the South Island of New Zealand. The Alps are composed of complexly folded greywacke which is still actively rising. The basin has been modified by several glacial advances during Pleistocene time.
The Cass basin has a temperate climate characterized by a steep precipitation gradient. Its vegetation includes plants of the forest grassland, shrubland, swamp, rock, and river-bed associations.
The Cass basin may be divided into four geomorphic areas: bedrock areas, high-angle fans, moderate-angle fans, and a low-angle fan. The bedrock areas consist of fractured greywacke; …
Clay Cover For Roaded Catchments, J L. Frith, R. A. Nulsen
Clay Cover For Roaded Catchments, J L. Frith, R. A. Nulsen
Journal of the Department of Agriculture, Western Australia, Series 4
RECENT dry years have stimulated interest in improved catchments for farm dams. Although roaded catchments have been installed on many farm dams in Western Australia, most of them fall short of their potential for increasing run-off.
Mass Fraction And The Isotopic Anomalies Of Xenon And Krypton In Ordinary Chondrites, Edward W. Hennecke
Mass Fraction And The Isotopic Anomalies Of Xenon And Krypton In Ordinary Chondrites, Edward W. Hennecke
Masters Theses
"The abundance and isotopic composition of all noble gases are reported in the Wellman chondrite, and the abundance and isotopic composition of xenon and krypton are reported in the gases released by stepwise heating of the Tell and Scurry chondrites. Major changes in the isotopic composition of xenon result from the presence of radiogenic Xe¹²⁹ and from isotopic mass fractionation. The isotopic composition of trapped krypton in the different temperature fractions of the Tell and Scurry chondrites also shows the effect of isotopic fractionation, and there is a covariance in the isotopic composition of xenon with krypton in the manner …
A Measurement Of The Capture Coefficient And Of The Vapor Pressure Of Co₂ From 69ºk To 80ºk, Michel Louis Chouarain
A Measurement Of The Capture Coefficient And Of The Vapor Pressure Of Co₂ From 69ºk To 80ºk, Michel Louis Chouarain
Masters Theses
"The capture coefficient of CO₂ gas at 135ºK on a surface of CO₂ at temperatures between 69ºK and 80ºK is measured by means of quartz crystal microbalances. The vapor pressure of CO₂ is measured in the same range of temperature"--Abstract, page ii.
A Kinetic Study Of The Reductive Abilities Of Four Polyaminocarboxylic Acids (Edta, Cdta, Dtpa And Nta) Towards Cerium(Iv) In Perchloric Acid Media, Salem Ahmed Attiga
A Kinetic Study Of The Reductive Abilities Of Four Polyaminocarboxylic Acids (Edta, Cdta, Dtpa And Nta) Towards Cerium(Iv) In Perchloric Acid Media, Salem Ahmed Attiga
Masters Theses
"The reduction of Ce(IV) in HC10₄ solutions by four polyaminocarboxylic acids, which are commonly used as chelating agents, has been studied by the stopped-flow technique. The rates of reduction first increase with increasing acidity, reach maxima which are characteristic of the chelating agent and the medium, then progressively decrease with increasing the acid concentration in the media. At their maximum reactivities, trans-1,2-diaminocyclohexane tetraacetic acid (CDTA) shows the highest reductive ability; this is followed by ethylenedinitrilotetraacetic acid (EDTA), diethylenetriaminepentaacetic acid (DTPA), and finally nitrilotriacetic acid (NTA). The observed maxima can be qualitatively explained in terms of a mechanism which involves unhydrolyzed …
Sediment Properties And Depositional Environment Of The Minnelusa Formation (Permo-Pennsylvanian), Northern Black Hills, South Dakota And Wyoming, El-Magtuf Taleb Taleb
Sediment Properties And Depositional Environment Of The Minnelusa Formation (Permo-Pennsylvanian), Northern Black Hills, South Dakota And Wyoming, El-Magtuf Taleb Taleb
Masters Theses
"Permo-Pennsylvanian sedimentary rocks of the Minnelusa Formation of the Black Hills uplift, South Dakota and Wyoming, can be divided into upper, middle and lower divisions on the basis of lithology. The upper portion of 150 to 200 feet consists of gray and yellow sandstone, with some carbonates and shales in some sections. The middle portion, about 200 to 220 feet thick consists of gray and red sandstone with carbonate members including the prominent dolomite member at the base; some of the carbonates are cherty. The lower portion, 20 to 60 feet thick, consists of pink sandstone, arenaceous dolomite and thin …
Tungsten Carbonyl Complexes Containing Positively Charged Phosphorus Ligands, Dilip Poonamchand Shah
Tungsten Carbonyl Complexes Containing Positively Charged Phosphorus Ligands, Dilip Poonamchand Shah
Masters Theses
Two positively charged complexes, (CO)5WP(C6H5)2CH2CH2-+P(C6H5)2(CH2C6H5) Br- and (CO)5W(C6H5)2PCH2+P(C6H5)2CH3 I-, were synthesized, and their carbonyl stretching frequencies and force constants were compared to those of the uncharged complexes, (CO)5WP(C6H5)2CH2CH2P(C6H5)2 and (CO)5WP(C6H5) …
Comparison Of Diffusion Coefficients Measured Electrochemically And Non-Electrochemically, Terry Dick Rotsch
Comparison Of Diffusion Coefficients Measured Electrochemically And Non-Electrochemically, Terry Dick Rotsch
Masters Theses
Diffusion coefficients of Co(en)3I3⋅H2O, FeCl3, and K3Fe(CN)6 were measured using the methods of polarography, chronopotentiometry, and diaphragm cell for the purpose of determining any relationships which may exist between these values. A major objective of the present study was to relate diffusion coefficients obtained by a simple non-electrotrochemical method to diffusion coefficients used in electrochemical techniques.
It was found that the polarographically determined diffusion coefficients were all 1.04 times larger than the chronopotentiometric values. This constant factor is probably due to viscosity differences tn the polarographic and chronopotentiometric solutions …
Studies In The Preparation Of Metal Enolates Of 3,3,5,5-Tetramethylcyclohexanone And Their Reactions With Lead(Iv) And Mercury(Ii) Acetates, Donald Robert Paveska
Studies In The Preparation Of Metal Enolates Of 3,3,5,5-Tetramethylcyclohexanone And Their Reactions With Lead(Iv) And Mercury(Ii) Acetates, Donald Robert Paveska
Masters Theses
No abstract provided.
Concretions And Nodules In The Hell Creek Formation, Southwestern North Dakota, Gerald H. Groenwold
Concretions And Nodules In The Hell Creek Formation, Southwestern North Dakota, Gerald H. Groenwold
Theses and Dissertations
The Hell Creek Formation (Upper Cretaceous) in southwestern North Dakota consists of lagoonal and floodplain deposits and contains abundant concretions and nodules. Representative specimens of the concretions and nodules and their corresponding enclosing sediments were analyzed by thin section and by quantitative and qualitative x-ray diffraction methods.
Fourteen types of concretions and three types of nodules, classified according to shape and composition, have thus been defined. Concretionary types include calcareous sandstone lenses, “logs”, and irregular masses; sideritic sandstone lenses and irregular masses; calcareous and sideritic lignitic sandstone lenses; bone-cored rounded masses; coprolite-cored masses; jarosite bodies; pyrite spheres; baritic sandstone lenses; …
Groundwater Flow, Hydrochemistry, And Uranium Deposition In The Powder River Basin, Wyoming, J. Ladd Hagmaier
Groundwater Flow, Hydrochemistry, And Uranium Deposition In The Powder River Basin, Wyoming, J. Ladd Hagmaier
Theses and Dissertations
The relation between regional groundwater flow, hydrochemistry, and uranium distribution in the Powder River Basin indicates that uranium was deposited during the Tertiary Period in groundwater recharge areas where the groundwater changed from a sulfate-bicarbonate water to a bicarbonate-rich water.
The regional recharge and discharge areas of present-day groundwater-flow systems have about the same location as the recharge and discharge areas of the Tertiary groundwater-flow systems. The present-day groundwater is recharged in the eastern, western, and especially in the southern margins of the basin and is discharged in the valley of the Powder River, especially in the north. Flow nets …
An Easy Access Interactive Statistical System For Use And Training In Biometry, Amos Addison Slaymaker Jr.
An Easy Access Interactive Statistical System For Use And Training In Biometry, Amos Addison Slaymaker Jr.
Theses and Dissertations
One of the most important tools of the applied statistician is the digital computer. It is natural, therefore, for the instructor in applied statistics to want his students to become familiar with the use of computers. If his students are going to get actual experience in using a computer for statistical analysis, he often has only two alternatives. The students can be required to write their own statistical programs or they can use programs already available through a computer facility.
If the course is to be taught such that each student is responsible for his own programs, the instructor must …
A Study Of Productivity In Drosophila Immigrans, Lalita Helen Shenoy Waterman
A Study Of Productivity In Drosophila Immigrans, Lalita Helen Shenoy Waterman
University of the Pacific Theses and Dissertations
In this study it has been demonstrated that Drosophila immigrans females begin laying fertile eggs on the third or fourth day following eclosion, with productivity reaching a peak between the fifth and sixth days of adult life. A delay in mating of even four days decreases the rate as well as the volume of productivity. Based on the evidence in the literature, it is suggested that the stimulus to oviposition may be mechanical or chemical on the corpora allata via the ventral nerve cord.
Analysis Of Urinary Calculi By Attenuated Total Reflection With Atlas, Peter Tin-Kai Chan
Analysis Of Urinary Calculi By Attenuated Total Reflection With Atlas, Peter Tin-Kai Chan
University of the Pacific Theses and Dissertations
The purposes of this research are (1) to bridge this gap of deficiency by developing a simple, precise and reproducible routine analytical technique by using attenuated total reflectance, and (2) to serve as an atlas for identification of renal calculi.
The Halogen And Uranium Content Of Sedimentary Rocks, Tektites, Impact Glasses, And Obsidians, Victor J. Becker Jr.
The Halogen And Uranium Content Of Sedimentary Rocks, Tektites, Impact Glasses, And Obsidians, Victor J. Becker Jr.
Masters Theses
"The iodine and uranium concentrations in sedimentary rocks were measured by irradiating the samples in a neutron flux, radiochemically separating iodine, and ß-counting the resulting activity. The values obtained for uranium are in good agreement with previous estimates of the uranium content in sedimentary rocks. The values obtained for iodine define a distribution pattern similar to that reported for chlorine and bromine, in contrast with the distribution pattern previously reported for iodine in sedimentary rocks. The concentrations of chlorine, bromine, iodine and uranium were determined in tektites, obsidians and impact glasses by neutron activation. The uranium content found in tektites …
Excitation Of The 2s State Of Atomic Hydrogen By Electron Impact In The Distorted-Wave Approximation - Angular Distributions, W. Neil Shelton, E. S. Leherissey, Don H. Madison
Excitation Of The 2s State Of Atomic Hydrogen By Electron Impact In The Distorted-Wave Approximation - Angular Distributions, W. Neil Shelton, E. S. Leherissey, Don H. Madison
Physics Faculty Research & Creative Works
The excitation of ground-state hydrogen atoms to the 2s state by the impact of electrons with energies of 1 to 50 Ry (13.6 to 680.3 eV) has been calculated in the distorted-wave approximation with exchange included. The angular distributions of the scattered electrons at 1 and 4 Ry are compared with those derived from the close-coupling calculations by Burke, Schey, and Smith, and are compared with four different plane-wave theories at all energies calculated. Taking the close-coupling results as a standard, it is found that the distorted-wave angular distributions represent an improvement over those of the plane-wave theories.
Experimental And Theoretical Study Of The Sign Preference In The Nucleation Of Water Vapor, Daniel R. White, James L. Kassner
Experimental And Theoretical Study Of The Sign Preference In The Nucleation Of Water Vapor, Daniel R. White, James L. Kassner
Physics Faculty Research & Creative Works
The nucleation of water vapor on ions in atmospheres of helium and argon was studied using an expansion type cloud chamber. Separation of the positive and negative ions was achieved so that the nucleation could be studied as a function of both the sign of the ionic charge and the supersaturation. A semiphenominological theory was developed as an extension of the classical liquid drop theory to include the effects of the ionic charge on the nucleation process. The theoretical model of the prenucleation embryo was assumed to possess an oriented dipole surface layer with the direction of orientation dependent on …
Calculation Of Anisotropic Hyperfine Constants For Lattice Nuclei Near A Shallow Donor, Edward B. (Boyd) Hale, Robert Lee Mieher
Calculation Of Anisotropic Hyperfine Constants For Lattice Nuclei Near A Shallow Donor, Edward B. (Boyd) Hale, Robert Lee Mieher
Physics Faculty Research & Creative Works
A method is presented for calculating the magnetic anisotropic (dipolar) hyperfine constants for lattice nuclei near a shallow-donor impurity. The method assumes that the wave function of the donor electron can be expressed in an effective-mass form, i.e., a slowly varying envelope function times conduction-band Bloch functions. For each dipolar hyperfine constant, two separate calculations are performed. One calculation is for a local region about the lattice nucleus of interest. The greatest part of the interaction occurs in this region (about 85 ± 10%). The second calculation is for the more distant region. The dipolar constants in the distant region …
Fluorescence Lifetimes And Quantum Efficiencies Of Some 1,10-Phenanthrolines, Paul John Tabakian
Fluorescence Lifetimes And Quantum Efficiencies Of Some 1,10-Phenanthrolines, Paul John Tabakian
University of the Pacific Theses and Dissertations
Fluorescence properties of fourteen substituted 1,10-Phenanthrolines were determined using two different solvent systems. Hour different sets of experiments were performed in order to measure fluorescence lifetimes, quantum efficiencies, absorption and corrected fluorescence spectra, oscillator strengths, and Stoke’s shifts. Two of the phenanthrolines, the 5-Nitro-1,10-Phenanthroline and the 1,10-Phenanthroline-5,6-Dione, did not fluoresce.
A new equation was developed in order to extract the true fluorescence lifetimes τ from the observed fluorescence output f(t), and the lamp decay function I(t). This equation was [see PDF] where “A” was the weight factor or the normalization constant for the appropriate functions. A test of this equation …
A Bayes Rule For The Symmetric Multiple Comparisons Problem, Aban Nawabi
A Bayes Rule For The Symmetric Multiple Comparisons Problem, Aban Nawabi
All Graduate Plan B and other Reports, Spring 1920 to Spring 2023
Many procedures have been proposed for the symmetric multiple comparisons problem in recent years. These include a "protected" least significant difference procedure due to Fisher (FSD), a multiple range rule by Duncan, and HSD (honest significant difference) procedure by Tukey, and a procedure for testing all contrasts by Scheffe.
The tests which are mentioned above are either comparison-wise or experiment-wise approaches. The probability of Type I error is intended to be a for all comparisons made when an experiment-wise approach is used. Whereas, the probability of Type I error referred to each comparison is a comparison-wise approach. Both approaches can …
The Effects Of Divalent Metal Ions On The Micellar Properties Of Sodium Dodecyl Sulfate, Michael U. Oko, Raymond L. Venable
The Effects Of Divalent Metal Ions On The Micellar Properties Of Sodium Dodecyl Sulfate, Michael U. Oko, Raymond L. Venable
Chemistry Faculty Research & Creative Works
Critical micelle concentrations and micellar molecular weights have been determined for sodium dodecyl sulfate in the presence of nitrates of copper, lead, zinc, and magnesium and critical micelle concentrations have been determined with sodium nitrate and silver nitrate as the added electrolytes. The thickness of the ionic atmosphere at the critical micelle concentration has been found to be 34.1 Å with no electrolyte present and 33.6 Å with 9.66 x 10-6 M sodium or silver nitrate and was found to increase upon addition of the 2:1 electrolytes. This is explained in terms of molecular and ionic interactions. Micellar molecular weights …