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Articles 39301 - 39330 of 45176
Full-Text Articles in Entire DC Network
Factors Involved In Soybean Yield Losses At Nonoptimal Planting Times In Louisiana, J E. Board
Factors Involved In Soybean Yield Losses At Nonoptimal Planting Times In Louisiana, J E. Board
LSU Agricultural Experiment Station Reports
No abstract provided.
Performance Of Soybean Varieties In Louisiana, 1980-1983, B G. Harville
Performance Of Soybean Varieties In Louisiana, 1980-1983, B G. Harville
LSU Agricultural Experiment Station Reports
No abstract provided.
Armored Scale Insects (Homoptera: Diaspididae) Of Louisiana, F W. Howard
Armored Scale Insects (Homoptera: Diaspididae) Of Louisiana, F W. Howard
LSU Agricultural Experiment Station Reports
No abstract provided.
Anatomy Of The Herpes Simplex Virus 1 Strain F Glycoprotein B Gene: Primary Sequence And Predicted Protein Structure Of The Wild Type And Of Monoclonal Antibody-Resistant Mutants, P. E. Pellett, K. G. Kousoulas, L. Pereira, B. Roizman
Anatomy Of The Herpes Simplex Virus 1 Strain F Glycoprotein B Gene: Primary Sequence And Predicted Protein Structure Of The Wild Type And Of Monoclonal Antibody-Resistant Mutants, P. E. Pellett, K. G. Kousoulas, L. Pereira, B. Roizman
Faculty Publications
In this paper we report the nucleotide sequence and predicted amino acid sequence of glycoprotein B of herpes simplex virus 1 strain F and the amino acid substitution in the domains of the glycoprotein B gene of three mutants selected for resistance to monoclonal antibody H126-5 or H233 but not to both. Analyses of the amino acid sequence with respect to hydropathicity and secondary structure yielded a two-dimensional model of the protein. The model predicts an N-terminal, 29-amino-acid cleavable signal sequence, a 696-amino-acid hydrophilic surface domain containing six potential sites for N-linked glycosylation, a 69-amino-acid hydrophobic domain containing three segments …
A Comparison Of Methods For Organ-Weight Data Adjustment In Chicks., D. R. Brown, L. L. Southern, D. H. Baker
A Comparison Of Methods For Organ-Weight Data Adjustment In Chicks., D. R. Brown, L. L. Southern, D. H. Baker
Faculty Publications
An experiment was conducted with 168 Arbor Acre X Peterson unsexed, crossbred broiler chicks to compare methods of expressing organ-weight data and to assess changes in organ weights and physiological parameters as body weight (97 to 791 g) and age (5 to 26 days) increased. Actual wet weight of liver, heart, intestine, spleen, and pancreas and percent bone ash increased (P less than .01) as age and body weight increased. Tibia length-to-width ratio decreased (P less than .01) as age and body weight increased. Blood hemoglobin, hematocrit, and plasma protein were not affected (P greater than .1) by age or …
Effect Of Citric And Ascorbic Acids On Performance And Intestinal Ph Of Chicks., D. R. Brown, L. L. Southern
Effect Of Citric And Ascorbic Acids On Performance And Intestinal Ph Of Chicks., D. R. Brown, L. L. Southern
Faculty Publications
An experiment was conducted to investigate the effect of one percent dietary citric and ascorbic acid additions on performance and intestinal pH of young chicks. The citric and ascorbic acid additions did not affect chick performance or pH of the duodenal lumen contents. Also, pH of the duodenal lumen contents was not affected by 1:2 to 1:8 dilutions with distilled water.
Comparison Of Drug Effects On Fixed‐Ratio Performance And Chain Performance Maintained Under A Second‐Order Fixed‐Ratio Schedule, Peter J. Winsauer, Donald M. Thompson, Joseph M. Moerschbaecher
Comparison Of Drug Effects On Fixed‐Ratio Performance And Chain Performance Maintained Under A Second‐Order Fixed‐Ratio Schedule, Peter J. Winsauer, Donald M. Thompson, Joseph M. Moerschbaecher
Faculty Publications
In one component of a multiple schedule, pigeons were required to complete the same four‐response chain each session by responding sequentially on three identically lighted keys in the presence of four successively presented colors (chain performance). Food presentation occurred after five completions of the chain (i.e., after 20 correct responses). Errors, such as responding on the center or right key when the left was designated correct, produced a brief timeout but did not reset the chain. In the other component, responding on a single key (lighted white) was maintained by food presentation under a fixed‐ratio 20 schedule. In general, phencyclidine …
Insects And Diseases Of Southern Forests: 34th Annual Forestry Symposium, 1985, School Of Forestry, Louisiana State University, Baton Rouge, Louisiana, Usa, Richard A. Goyer, John P. Jones
Insects And Diseases Of Southern Forests: 34th Annual Forestry Symposium, 1985, School Of Forestry, Louisiana State University, Baton Rouge, Louisiana, Usa, Richard A. Goyer, John P. Jones
Proceedings [of the] Annual Forestry Symposium
No abstract provided.
Strategies For The Reduction And Interpretation Of Multicomponent Spectral Data., Isiah M. Warner, S. L. Neal, T. M. Rossi
Strategies For The Reduction And Interpretation Of Multicomponent Spectral Data., Isiah M. Warner, S. L. Neal, T. M. Rossi
Faculty Publications
No abstract provided.
Louisiana Agriculture Magazine, Winter 1985-1986, Lsu Agricultural Experiment Station
Louisiana Agriculture Magazine, Winter 1985-1986, Lsu Agricultural Experiment Station
Louisiana Agriculture
No abstract provided.
Cenobium 1985, Louisiana State University And Agricultural And Mechanical College, School Of Veterinary Medicine, P. K. Hendrix, Laura Hokett
Cenobium 1985, Louisiana State University And Agricultural And Mechanical College, School Of Veterinary Medicine, P. K. Hendrix, Laura Hokett
Cenobium Yearbook
Cenobium began publication in 1977 and continued through 1990. Produced by students, the yearbooks are a chronicle of the daily life and the special events experienced by veterinary students at the LSU School of Veterinary Medicine.
Inverse Spectral Modeling Of Geopotential Fields Over Sedimentary Basins., Michael Terry Angelich
Inverse Spectral Modeling Of Geopotential Fields Over Sedimentary Basins., Michael Terry Angelich
LSU Historical Dissertations and Theses
Interpretation of geopotential data using inverse spectral modeling techniques eliminates the ambiguous results produced by the standard forward-modeling approach. However, applying the spectral modeling procedures by hand is time-consuming and lacks precision. This study expands on current spectral analysis techniques by adding least-squares statistical rigor to the fitting of the chosen model. Automating the model fitting procedure allows an investigator to examine quickly many overlapping sections (windows) of mapped data. Successive overlapping of neighboring windows suggests a correlation between the ensemble-average depth solutions unique to each window is possible. This technique was shown to be especially useful in Louisiana and …
Development Of A Reliable And Valid Diagnostic Assessment Instrument For Migraine And Muscle-Contraction Headaches (Psychometrics, Classification)., Stanford Wayne Granberry
Development Of A Reliable And Valid Diagnostic Assessment Instrument For Migraine And Muscle-Contraction Headaches (Psychometrics, Classification)., Stanford Wayne Granberry
LSU Historical Dissertations and Theses
The reliability and validity of a headache questionnaire, designed as a diagnostic instrument, were investigated. The questionnaire was administered to 117 headache sufferers in individual interviews. Following a 2 week interval the same questionnaire was readministered to 66 of these subjects. All subjects were independently diagnosed by a board certified neurologist and an advanced graduate student in clinical psychology using an Ad Hoc Committee's (1962) criteria. The categories of headache investigated were: muscle-contraction headache (N = 38), combined headache (N = 28), classic migraine (N = 19) and common migraine (N = 32). A factor analysis of the questionnaire data …
T0-Spaces And Pointwise Convergence, Jimmie D. Lawson
T0-Spaces And Pointwise Convergence, Jimmie D. Lawson
Faculty Publications
The purpose of this paper is to give several different characterizations of those T0-spaces E with the property that if F:X × E → Y is separately continuous, then it is jointly continuous. One such is that the lattice 0(E) of open sets of E be a hypercontinuous lattice (i.e. the interval topology on 0(E) is Hausdorff). If E is a sober space, then E must be a quasicontinuous poset endowed with the Scott topology. © 1985.
The Pointwise-Local-Global Principle For Solutions Of Generic Linear Equations, William A. Adkins
The Pointwise-Local-Global Principle For Solutions Of Generic Linear Equations, William A. Adkins
Faculty Publications
The problem studied in this paper is to determine some conditions on a matrix A over a ring R which will insure that the matrix equation Au = f is solvable over R if it is solvable over the residue field {A figure is presented}({A figure is presented}) for every {A figure is presented} ∈ Spec R. If R is a regular local ring (containing a field), a polynomial ring over an algebraically close field, or the ring of holomorphic functions on a Stein manifold, then a sufficient condition on A for pointwise solvability to imply global solvability is that …
Essential Reflections Versus Minimal Embeddings, Anthony W. Hager, James J. Madden
Essential Reflections Versus Minimal Embeddings, Anthony W. Hager, James J. Madden
Faculty Publications
This note addresses the following question. In a category C, with a full subcategory X which is reflective with each reflection morphism an embedding, and a C-object A: when does each X-object containing A contain the X-reflection of A? We prove, under mild hypotheses on C, the equivalence of (1) The reflection morphism for A is an essential embedding, (2) Any 'minimal' embedding of A in an X-object is the X-reflection of A, (3) 'Always' is the answer to the question above, (4) The reflection functor C → X carries embeddings of A to embeddings. We note that these conditions …
Magnetic Anisotropy In The Trenton Limestone: Results Of A New Technique, Anisotropy Of Anhysteretic Susceptibility, Chad Mccabe, Michael Jackson, Brooks B. Ellwood
Magnetic Anisotropy In The Trenton Limestone: Results Of A New Technique, Anisotropy Of Anhysteretic Susceptibility, Chad Mccabe, Michael Jackson, Brooks B. Ellwood
Faculty Publications
A new method for determining magnetic anisotropy using anhysteric remanence susceptibility is described. The magnetic fabric of a collection of Trenton Limestone specimens has been determined using this method, as well as by conventional anisotropy of magnetic susceptibility. The results demonstrate the usefulness of the new method for finding the magnetic fabric of rock units such as the Trenton in which the bulk magnetic susceptibilities are low. A model is proposed to explain the observed foliated and lineated fabric as a consequence of overburden compaction and regional horizontal stresses. The original fabric is inferred to have been isotropic; the anisotropy …
Lsu General Catalog 1985-1986, Louisiana State University And Agricultural And Mechanical College
Lsu General Catalog 1985-1986, Louisiana State University And Agricultural And Mechanical College
LSU General Catalog
The LSU General Catalog describes all undergraduate and graduate departments and programs with degree requirements and courses offered for each one. The General Catalog includes information on registration and financial aid as well as academic services offered to all students.
Phase-Space Representations Of The Bloch Equation, R. F. O'Connell, Lipo Wang
Phase-Space Representations Of The Bloch Equation, R. F. O'Connell, Lipo Wang
Faculty Publications
We discuss the phase-space representation of the Bloch equation and present analytic expressions for two generalized classes of distribution functions. Series solutions to order of Latin small letter h with stroke2 are given. We conclude that the Wigner quantum corrections are the simplest among the two general classes of distribution functions. © 1985 The American Physical Society.
Environmental And Genetic Sources Of Variation For Seminal Quality In Mature Holstein Bulls, J. E. Chandler, R. W. Adkinson, G. M. Hay, R. L. Crain
Environmental And Genetic Sources Of Variation For Seminal Quality In Mature Holstein Bulls, J. E. Chandler, R. W. Adkinson, G. M. Hay, R. L. Crain
Faculty Publications
Various environmental and genetic factors that influence seminal quality were evaluated for 149 Holstein bulls used extensively in nine artificial insemination organizations (studs). These bulls were sons of 16 sires. Seminal quality was measured by percent progressive motility immediately postthaw and after incubation at 3 h, 37°C, percent intact acrosomal membrane after incubation at 3 h 37°C, and percent primary and secondary abnormalities. Semen was thawed at 37 and 24°C. Spermatozoal concentration was counted with a hemocytometer. Bull age and season of collection were determined. Interaction of stud × thaw existed for both motility assessments and intact acrosomes, but 37°C …
Rejection Of Murine Heterotopic Corneal Transplants, Larry Ray-Keil, John W. Chandler
Rejection Of Murine Heterotopic Corneal Transplants, Larry Ray-Keil, John W. Chandler
Faculty Publications
A murine heterotopic corneal transplant model has been developed using s.c. abdominal pouches as recipient sites. Donor-recipient genetic disparities involving H-2 antigens alone or H-2 plus non-H-2 antigens result in high rates of rejection. In addition, donor-recipient disparities involving non-H-2 antigens alone or H-Y antigen also result in significant, although lower, rates of rejection. In comparison, pretreatment of the donor grafts by hyperbaric oxygen, removal of the epithelial layer, or soaking in anti-la antibody plus complement results in statistically significant reductions in the rejection rates as compared with fresh, untreated donor tissue. These observations suggest that cells bearing Ia antigens …
Louisiana State University Press 1935-1985: A Tradition Of Excellence, Lsu Press
Louisiana State University Press 1935-1985: A Tradition Of Excellence, Lsu Press
LSU Press Published Books
No abstract provided.
Studies Of Grain Boundary Structure And Annealing Behavior In Nickel Using Transmission Electron Microscopy (Tem, Dislocation)., An-Chich Chou Han
Studies Of Grain Boundary Structure And Annealing Behavior In Nickel Using Transmission Electron Microscopy (Tem, Dislocation)., An-Chich Chou Han
LSU Historical Dissertations and Theses
Transmission electron microscopy has been used to study grain boundary structure and dislocation reactions in annealed pure nickel sheets. In slightly annealed nickel, the dislocation content and distribution in grain boundaries were found to be random. After annealing at 800(DEGREES)C, a temperature within the recovery and recrystallization stage, the majority of grain boundaries contained periodic arrays of dislocations. The hexagonal dislocation networks with Burgers vectors of the type of a/6 were found in a large number of twin boundaries. The origin and the formation mechanisms of this configuration are discussed. The incorporation of absorbed lattice dislocations in the boundary during …
Children's Affective Expression In Human Figure Drawings: Adult Recognition Of Children's Depiction Of Six Affective Expressions., Ralph Darrell Ramsden
Children's Affective Expression In Human Figure Drawings: Adult Recognition Of Children's Depiction Of Six Affective Expressions., Ralph Darrell Ramsden
LSU Historical Dissertations and Theses
The understanding of children's abilities to express affect in drawings of the human figure has clinical and developmental significance, yet is an area that until recently has received relatively minimal research attention. The present study investigated the abilities of child psychologists, graduate psychology students, and non-mental health raters to correctly identify the attempts of 72 kindergarten, second, fourth, sixth, eighth, and tenth-grade students to depict six common affective expressions in human figure drawings. The affective expressions were: happiness, sadness, anger, disgust, surprise, and fear. Thirty-six adult raters (18 female; 18 male) reviewed 216 drawings, identified the perceived affective expression, and …
The Effect Of Muscle Contraction Headache Chronicity On Frontal Emg (Psychophysiology, Tension Headache)., Eleanor Belle Callon
The Effect Of Muscle Contraction Headache Chronicity On Frontal Emg (Psychophysiology, Tension Headache)., Eleanor Belle Callon
LSU Historical Dissertations and Theses
The hypothesis that frontal EMG levels measured by surface electrodes change as a function of the number of years of muscle contraction headache activity was tested. Three levels of muscle contraction headache chronicity ((GREATERTHEQ)20 years, (LESSTHEQ)10 years, and none) were examined under imagined stress and a quiz falsely presented as a measure of intelligence. The two stress conditions were counterbalanced across subjects. The three groups had 10 members each and were equivalent in age and subjects' ratings of the laboratory stressors. Psychophysiological recordings were done during a headache free period. An ANOVA indicated no group effect and no group x …
Chemistry Of Plants From The Helianteae (Asteraceae) And Molluscicidal Activity And Phosphofructokinase Inhibition By Sesquiterpene Lactones (Calea, Squamopappus, Podachaenium, Biomphalaria Glabrata)., David Vargas
LSU Historical Dissertations and Theses
As part of a biochemical systematic investigation of the tribe Helianteae (Compositae) for their secondary metabolites, Calea deltophylla Cowan from the subtribe Galinsoginae, Squamopappus skutchii (S. F. Blake) Jansen, Harriman and Urbatsch, from the Ecliptinae, and Podachaenium eminens (Lagasca) Shultz-Bip. from the Verbesininae were chemically investigated. Calea deltophylla provided the known compounds ageratochromene and eupatarone and three new compounds, 3-methoxy-4-hydroxyseneciophenone, caldeltophyllide and deltophyllin. Squamopappus skutchii yielded the known sesquiterpenoid (beta)-eudesmol, two new guaianolides, skutchiolides A and B, and the new eudesmanolide chapinolin. P. eminens provided three known guaianolides. The structures of the compounds were established by chemical and spectroscopic methods …
Chromatofocusing In The Purification And Separation Of Apo- And Holo-(Vitamin D-Binding Protein), M. J. Keenan, R. P. Holmes
Chromatofocusing In The Purification And Separation Of Apo- And Holo-(Vitamin D-Binding Protein), M. J. Keenan, R. P. Holmes
Faculty Publications
Chromatofocusing was used to purify the vitamin D-binding protein (DBP) from pig plasma in a procedure that consisted of an initial DEAE-cellulose chromatography followed by DEAE-Sephadex chromatography, with final purification by chromatofocusing. The protein was purified 184-fold over its concentration in plasma. When the plasma was labelled with a tracer concentration of [3H]calcidiol, it was apparent that holo- and apo-DBP did not co-chromatograph on chromatofocusing. The separation of these two forms of DBP on chromatofocusing was verified by using purified apo-DBP mixed with either a tracer or a saturating concentration of calcidiol. This separation was consistent with differences observed in …
Containment Strategies For Marine Oil Spills In Nearshore Waters., E. H. Owens, H. H. Roberts, S. P. Murray, C. R. Foget
Containment Strategies For Marine Oil Spills In Nearshore Waters., E. H. Owens, H. H. Roberts, S. P. Murray, C. R. Foget
Faculty Publications
No abstract provided.
Cyclotron Radiation From Magnetic Cataclysmic Variables (Polarization, Plasmas, Magnetized, Stars, Herculis, Puppis)., Paul Everett Barrett
Cyclotron Radiation From Magnetic Cataclysmic Variables (Polarization, Plasmas, Magnetized, Stars, Herculis, Puppis)., Paul Everett Barrett
LSU Historical Dissertations and Theses
The absorption coefficient for the ordinary and extraordinary modes of wave propagation are calculated for cyclotron radiation from hot magnetized plasmas (kT < 50 keV). Two relativistic methods are used to calculate the absorption coefficients: the dielectric formulation and the single particle formulation. A nonrelativistic approximation which includes the effects of inverse-bremsstrahlung and Thomson scattering (collisions) is also made. The equations of radiative transfer for a homogeneous plasma, with large Faraday rotation, are solved, and simple analytic expressions for the Stokes parameters Q and V are derived in terms of the optical depths in both modes. The results are applied to the accretion columns of AM Herculis binaries. The inclusion of collisional effects in the nonrelativistic approximation reduces the amount of fractionally polarized light to levels which agree better with the observations. For small viewing angles with the magnetic field, the circular polarization does not approach 100% as is observed in the relativistic calculations without the effects of collisions. The polarization approaches a value much less than 100%. This result may provide a qualitative explanation of the standstill which observed in some AM Herculis binaries. Comparisons of theoretical and observational circular polarization curves for AM Herculis give surprisingly good agreement for a magnetic field of 2.7 x 10('7) gauss, temperature of 0.2 keV, and plasma slab thickness of 2.6 x 10('8) cm. The detection of cyclotron lines in the optical spectrum is limited to a small parameter space in magnetic field ((2-10) x 10('7) gauss), plasma temperature (< 15 keV), and direction of the accretion column (nearly perpendicular to the line of sight for extended periods of time; (TURN)10 minutes). Theoretical spectra confirm the conclusion by Wickramasinghe and Meggitt (1982) that the broad lines in VV Puppis are due to cyclotron emission, but dispute their conclusion that the addition of an unpolarized component of radiation in the blue and UV spectrum is required. A best fit to the data of VV Puppis yields a polar magnetic field of 3.15 x 10('7) gauss, a postshock temperature of 8.7 keV, and a dimensionless plasma parameter of (TURN)10('6).
The Defiant Legacy: Southern Clergy And A Rhetoric Of Redemption For The Reconstruction South., Hal W. Fulmer
The Defiant Legacy: Southern Clergy And A Rhetoric Of Redemption For The Reconstruction South., Hal W. Fulmer
LSU Historical Dissertations and Theses
This study investigated the rhetorical activities of the unreconstructed southern Protestant clergy during the Reconstruction period of 1865-1877. These years were marked by great social, psychological, and economic chaos with a variety of southern spokesmen attempting to re-establish a sense of order for the people of the region. The clergy were an active and dominating force in the region following the Great Awakenings. These clerics were strong supporters of slavery and secession in the antebellum South. Using a theoretical approach from organizational communication, this dissertation suggests that the various southern Reconstruction denominations may be understood as a single Southern Protestant …