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Articles 291391 - 291420 of 302499
Full-Text Articles in Physical Sciences and Mathematics
Test 1162: Steiger Bearcat Ii, Nebraska Tractor Test Lab
Test 1162: Steiger Bearcat Ii, 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 1165: Case 2670 Diesel, Nebraska Tractor Test Lab
Test 1165: Case 2670 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 1163: Long 900 And 910 Diesel, Nebraska Tractor Test Lab
Test 1163: Long 900 And 910 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 1166: Allis-Chalmers 7040 Diesel, Nebraska Tractor Test Lab
Test 1166: Allis-Chalmers 7040 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 1167: Allis-Chalmers 7060 Diesel, Nebraska Tractor Test Lab
Test 1167: Allis-Chalmers 7060 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 1169: Steiger Tiger Ii Diesel (Also Steiger Panther Iii - St-320 Diesel), Nebraska Tractor Test Lab
Test 1169: Steiger Tiger Ii Diesel (Also Steiger Panther Iii - St-320 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 1168: Allis-Chalmers 7080 Diesel, Nebraska Tractor Test Lab
Test 1168: Allis-Chalmers 7080 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 1170: Steiger Couger Ii Diesel, Nebraska Tractor Test Lab
Test 1170: Steiger Couger Ii 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 …
Biochrome Analysis As A Method For Assessing Phytoplankton Dynamics Phase I, Richard L. Meyer
Biochrome Analysis As A Method For Assessing Phytoplankton Dynamics Phase I, Richard L. Meyer
Technical Reports
Selected chemical, physical and biological parameters were determined for a man-made lake, Beaver Lake, on the White River of Arkansas and Missouri. The research program determined the qualitative and quantitative aspects of the temporal and spatial distribution of the algal subcommunities. It was determined that the epipelic, epilithic, epizooic and metaphytic subcommunities had little influence on the euplanktonic subcommunity. The relationship between the qualitative and quantitative analysis of the biochromes chlorophyll-a, -b, and -c and the phytoplankton species clustered into biochrome sets is discussed. The temporal and spatial distributional patterns of temperature, oxygen, ammonia-N, nitrate-N, ortho phosphate-P and silicates are …
Coexisting Actinolite And Hornblende From West-Central New Hampshire, John B. Brady
Coexisting Actinolite And Hornblende From West-Central New Hampshire, John B. Brady
Geosciences: Faculty Publications
The coexistence of actinolite and hornblende and of cummingtonite and hornblende has been observed in garnet-zone and staurolite-kyanite-zone amphibolites of the Ammonoosuc Volcanics near Hanover, New Hampshire. The amphibole pairs occur both as separate grains and as intergrowths with boundaries that are optically and chemically sharp, but geometrically irregular; no exsolution lamellae were observed.Electron microprobe analyses of the amphibole pairs show that: (1) hornblende is richer in Al, Na, K, Ti, and Fea+,and has a lower Mg/(Me f Fe) ratio than the coexisting actinolite; (2) hornblende is enriched in Al, Na, and Ca, but has a similar Mel(Mg f Fe) …
Chemistry Departments In Predominantly Black Institutions, James O. Wear, Nirmal K. Shastri
Chemistry Departments In Predominantly Black Institutions, James O. Wear, Nirmal K. Shastri
Journal of the Arkansas Academy of Science
Chemistry programs in 87 predominantly Black institutions were compared by questionnaire survey. Advanced undergraduate courses were offered for chemistry majors by 86% of these schools, but only 28% offered research and independent study for undergraduates. Although there were extremes, most of the faculty taught 15 to 18 contact hours and their median salaries were below the national median. Library support seemed adequate with 1 to 1.5% of the total library materials being chemistry books, texts and reference, and the libraries of most schools had holdings of 15 principal chemistry-related journals. More than 90% of the schools were well-equipped with laboratory …
Physical Meaning Of The Field H, H. E. Mccloud
Physical Meaning Of The Field H, H. E. Mccloud
Journal of the Arkansas Academy of Science
Through the introduction of the concept of magnetic charge the physical meaning of the magnetic field H is established within the rationalized MKS system of units
Temporal And Spatial Heterogeneity In Diatom Populations Of The Lower York River, Virginia, John Joseph Manzi
Temporal And Spatial Heterogeneity In Diatom Populations Of The Lower York River, Virginia, John Joseph Manzi
Dissertations, Theses, and Masters Projects
No abstract provided.
A Study Of The Subsurface Stratigraphy Of The Upper Cambrian In Western Missouri, Joseph L. Thacker Jr.
A Study Of The Subsurface Stratigraphy Of The Upper Cambrian In Western Missouri, Joseph L. Thacker Jr.
Masters Theses
"Megascopic examination of diamond-drill cores supplemented by insoluble residue data provides a usable means of studying the lithologic characteristic of Upper Cambrian strata in the subsurface of western Missouri.
The stratigraphic relationships within each Cambrian formation and the relationships of each Cambrian unit to formations above and below are discussed.
The relationship of Upper Cambrian strata to the Precambrian surface in western Missouri and easternmost Kansas is illustrated. The Lamotte Sandstone is overlapped by the Reagan Sandstone against Precambrian topographic highs and the Bonneterre and lower Davis are replaced by sandstones similar to the Reagan in southwest Missouri and southeast …
Dairying In W.A., Department Of Agriculture And Food, Western Australia
Dairying In W.A., Department Of Agriculture And Food, Western Australia
Bulletins - 3000 - 3999
Western Australia has a small dairy industry compared with its other rural production. However, the industry has consolidated over recent years.Tree clearing and pasture development on existing holdings and the amalgamation of small dairy farms has led to a rapid increase in the area of pasture per farm. The trend in Western Australia is towards bigger herds, more efficient dairies, more fodder conservation and increasing production per cow and per hectare. Commercial dairy farming in Western Australia is confined to the south-western corner of the State, south of Perth, extending in a 50-kilometre-wide strip along the coast to 50 kilometres …
1974 Potassium Soil Test Calibration Trials 1. Soil Analysis, W. J. Cox
1974 Potassium Soil Test Calibration Trials 1. Soil Analysis, W. J. Cox
Experimental Summaries - Plant Research
Site details - 74AL1, 74AL2, 74DE1, 74DE2, 73DE3, 73DE4, 73DE5, 73DE6, 74MA1, 74MA2, 74MA3, 74BU1, 74BU2, 74BU3, 74BU4, 74BY1, 74BY2, 74BY3, 74HA1, 74HA2, 74HA3, 74AR1, 74AR2, 74M01, 74M02, 74M03, 74NA1, 74NA2. 1974 Soil analyses. I. % Gravel, bulk density and ph measurements. I (a) Moisture characteristics. II. Measures of Available potassium. III. CSBP results.
The Physical And Petrographic Characteristics Of Formcoke Produced Experimentally From Lignite And Subbituminous Coal, Bruce L. Ramsey
The Physical And Petrographic Characteristics Of Formcoke Produced Experimentally From Lignite And Subbituminous Coal, Bruce L. Ramsey
Theses and Dissertations
Formcoke was produced experimentally from a North Dakota lignite and a Wyoming subbituminous coal. The effect of initial charring tem perature (600°C or 900°C), of char grain size (less than 18 mesh, less than 35 mesh, or less than 60 mesh), of briquetting pressure (1000, 2000, 3000, 4000, 5000, 6000, 7000, 8000, 9000 or 10,000 psi) of binder percentage (5, 10, 15, 20 or 25 per cent), and of final carbonization heating rate (18°C/:min, 12°C/min or 6°C/min) on formcoke briquet com pressive strength was studied.
A final carbonization heating rate of 6°C/min produced uniform shape briquets. Rates of 12°C/min and …
Linear Geometry, Phyllis L. Thomas
Linear Geometry, Phyllis L. Thomas
Masters Theses
"This paper contains material suitable for a one semester course in linear geometry where the student has had a one semester course in linear algebra previously. It compiles information in the areas of affine sets, affine geometry, convex sets, and a few applications. Also included are Caratheodory's theorem and the well-known theorem by Helly as proved by Radon"--Abstract, page ii.
Three Papers In Mathematical Logic, Henry P. Miranda '74
Three Papers In Mathematical Logic, Henry P. Miranda '74
Fenwick Scholar Program
Three papers were written in partial fulfillment of the requirements for the Fenwick Scholar Program 1973-1974:
An Algebraic Proof of the Completeness of Sentential Logic proves the completeness of sentential logic using concepts of Boolean structures.
Godel's Proof of the Incompleteness of Axiomatic Number Theory discusses Godel's Incompleteness Theorem as a landmark in the Foundations of Mathematics which has meaning for mathematicians, logicians, and philosophers alike.
The Independence of the Continuum Hypothesis discusses the nature of independence proofs and briefly describes the boolean valued logic used to obtain the independence results.
Statistical Time-Dependent Model For The Interstellar Gas, H. Gerola, Menas Kafatos, R. Mccray
Statistical Time-Dependent Model For The Interstellar Gas, H. Gerola, Menas Kafatos, R. Mccray
Mathematics, Physics, and Computer Science Faculty Articles and Research
We present models for temperature and ionization structure of low, uniform-density (n ~ 0.3 cm^-3) interstellar gas in a galactic disk which is exposed to soft X-rays from supernova outbursts occurring randomly in space and time. The structure was calculated by computing the time record of temperature and ionization at a given point by Monte Carlo simulation. The calculation yields probability distribution functions for ionized fraction x, temperature T, and their various observable moments. These time-dependent models predict a bimodal temperature distribution of the gas with structure in x, T that agrees with various observations. Cold regions in the low-density …
Methods And Applications Of The Mean-Variance Portfolio Selection Model, John W. Marsh
Methods And Applications Of The Mean-Variance Portfolio Selection Model, John W. Marsh
Doctoral Dissertations
"The Mean-Variance portfolio selection model, or Efficient Market model, is examined in terms of the small investor. The performance is first tested on the small sample space of the thirty Dow Jones Industrials. The results show that it is possible to outperform the market by investing in the minimum-variance, or safest, portfolio. The Critical-Line algorithm as developed by Markowitz and modified by Sharpe is used in this analysis.
Since the Critical-Line algorithm is very time-consuming and does not always converge to a solution, an alternate algorithm is developed. This algorithm, referred to as the “Simplified Algorithm”, is designed to find …
Electromagnetic Fields In Water Treatment, Robert H. Fagan
Electromagnetic Fields In Water Treatment, Robert H. Fagan
Retrospective Theses and Dissertations
Properties and characteristics of colloidal systems are reviewed with a discussion of colloid systems to be found in natural and wastewaters. Current electric and magnetic field theory are reviewed and summarized to provide practical application of the theory to engineering problems in the environmental field. Literature of colloidal reactions to electrical and magnetic fields is discussed and reviewed to ascertain areas of potential application of electric and magnetic phenomena to natural and wastewater treatment systems having objectionable colloid suspensions. It is concluded that application of electrical fields (electrophoresis) does not currently hold much promise for practical applications in water treatment …
Dispersion Curves For Surface Electromagnetic Waves With Damping, Ralph William Alexander, G. S. Kovener, Robert John Bell
Dispersion Curves For Surface Electromagnetic Waves With Damping, Ralph William Alexander, G. S. Kovener, Robert John Bell
Physics Faculty Research & Creative Works
The Recent Observation of Back bending in the Dispersion Curves of Surface Plasmons on Silver Can Be Explained by Use of Fresnel's Equations. in the Presence of Damping, the Results of Attenuated-Total-Reflection Measurements Can Be Displayed as Dispersion Curves Either with or Without Back bending. the Measurements for Silver with Back Bending Are Expected for Experiments in Which the Frequency is Fixed, and the Propagation Constant (Or Angle of Incidence) is Swept. © 1974 the American Physical Society.
Optical Pumping In A Flowing Helium Afterglow With Additive Metal Impurity Atoms, Laird D. Schearer
Optical Pumping In A Flowing Helium Afterglow With Additive Metal Impurity Atoms, Laird D. Schearer
Physics Faculty Research & Creative Works
It is demonstrated that in a Penning collision of optically oriented metastable helium atoms with an impurity metal atom such as barium, both the longitudinal and transverse components of spin angular momentum are conserved. This results in a polarization of the ion which may be detected by optical emission in the case of excited ion levels or absorption for the ground states. A series of experiments is described which demonstrates the spin dependence of the Penning-collision process. The magnetic resonance of excited-state ions may be observed directly; from the resonance-linewidth radiative lifetimes may be measured. © 1974 The American Physical …
Fresnel Drag In Uniformly Moving Media, William F. Parks, J. T. Dowell
Fresnel Drag In Uniformly Moving Media, William F. Parks, J. T. Dowell
Physics Faculty Research & Creative Works
A general first-order formula is derived for the Fresnel-drag effect in a uniformly moving medium with a plane surface. The two classical equations due to Lorentz and Laub are shown to be special cases corresponding to different experimental arrangements. The recent experiment of Bilger and Zavodny on Fresnel drag in a ring laser is discussed. © 1974 The American Physical Society.
Données Faunistiques Et Ecologiques Sur Les Stenasellidae (Crustacea Isopoda Asellota Des Eaux Souterraines), Guy Magniez
Données Faunistiques Et Ecologiques Sur Les Stenasellidae (Crustacea Isopoda Asellota Des Eaux Souterraines), Guy Magniez
International Journal of Speleology
Some important morphological features, which are discussed here, point out that the Stenasellids (Crustacea Isopoda Asellota) must be considered as a true family (Stenasellidae), independent from the Asellidae. A definition and a renewed diagnosis of the Stenasellidae Dudich, 1924, are given. Their relationships must be pursued, especially in the marine Parastenetroidea and in the psammic Microcerberidae. Until 1938, the group was known only from subterranean waters of southern Europe. Now, several genera and many thermophile species from north-tropical underground waters have been discovered in Africa (5 gen., 12 sp.), Asia (1 gen., 2 sp.) …
The Gulf-Atlantic Waterway: Instrument To Increase Profit Margins In The Jacksonville Area, Jacksonville Area Chamber Of Commerce Research Department, Jay A. Smith
The Gulf-Atlantic Waterway: Instrument To Increase Profit Margins In The Jacksonville Area, Jacksonville Area Chamber Of Commerce Research Department, Jay A. Smith
Waterways and wildlife
The purpose of this report is to reassess the economic value that the Gulf-Atlantic Waterway will have on Duval county. This will show the direct relationship on the Port and the indirect benefits to other segments in our economy. This is needed for three reasons: 1. The last economic study was completed by the Corps of Engineers with the assistance of Arthur D. Little, Inc., a national consulting firm, in 1962. So, it has been almost twelve years since an economic report has been started from scratch. 2. The economic reports in the past have been mainly concerned with cost/benefit, …
Some Concepts In Rangeland Management, R B. Hacker
Some Concepts In Rangeland Management, R B. Hacker
Journal of the Department of Agriculture, Western Australia, Series 4
The arid and semi-arid zones of Australia occupy about 75 per cent of the land mass. The pastoral industries are located within these zones and, although productivity per unit area is low, the region nevertheless constitutes one of the nation's valuable renewable resources.
If properly managed, such a resource may be maintained as a productive asset indefinitely.
Fallow Re-Assessment - Wheat Variety Investigations- Root Growth And Moisture Use, D Tennant
Fallow Re-Assessment - Wheat Variety Investigations- Root Growth And Moisture Use, D Tennant
Experimental Summaries - Plant Research
This report summarises progress and data available for the following investigations - Fallow Re-assessment - 72M29. Wheat Variety Investigations - Root Growth and Moisture Use. Location: Wongan Hills Research Station. Merredin Research Station.
Nitrous Acid Deamination Reactions Of Benzyl Amino-4,6-0-Benzylidene-D-Hexopyranosides, Wai-Pan Chan
Nitrous Acid Deamination Reactions Of Benzyl Amino-4,6-0-Benzylidene-D-Hexopyranosides, Wai-Pan Chan
University of the Pacific Theses and Dissertations
This study concerns an investigation of nitrous acid deamination of various amino sugar derivatives. Deamination reagents have also been used for the diazotization of aromatic compounds. Nitrous acid deamination was used in the deamination of amino acids pinacolic amino alcohols and amino sugars.