Physical Sciences and Mathematics Commons^™

The Synthesis And Physical Properties Of Some 1-Methyl And 2-Methyl Bridged Cycloheptapyrazolones, Gary R. Larson

Masters Theses

No abstract provided.

Anclote Power Station Post-Operational Plankton Monitoring Program: Vol 2 Appendices, Florida Power Corporation

Reports

Appendix IV-A through appendix IV-F

Isolation, Purification, Scanning Electron Microscopy And Bacterial Dna Uptake Of Plant Protoplasts, Bronwyn G. Hughes

Theses and Dissertations

Protoplasts were isolated from tobacco and barley leaves in sucrose or mannitol using commercially available cellulases and macerozymes. Barley growth and protoplast isolation and purification conditions were optimized so that protoplasts were obtained in high yields free of unwanted debris and organelles. A technique for processing barley and tobacco protoplasts for examination by scanning electron microscopy was developed in which protoplasts seem to have maintained their structural integrity. Barley and tobacco protoplasts took up 3H-B. subtilis DNA, 125I-B. subtilis DNA or 125I-M. luteus DNA as a linear function of time (0-6 hr) and DNA concentration (0-200 μg/ml). Up to 16 …

Assessment Of Mechanical Damage To Entrained Ichthyoplankton, Vepco Surry Nuclear Power Station, J. V. Merriner, A. D. Estes

Reports

Thermal plume ichthyopla~kton sampling during November and December 1976 was cancelled since Units 1 and 2 of VEPCO Surry Nuclear Power Station were non-operational due to refueling. In lieu of the thermal plume ichthyoplankton entrainment program, a sampling program to estimate mortality from mechanical damage was initiated.

Four sampling sites were selected for determination of quantity and condition of organisms entering and leaving the plant. Sites were selected at points preceding and following critical areas where the likelihood of damage was greatest. Net .sets were made using a 0.5 meter paired net apparatus. All sets were at bottom strata to …

Anclote Power-Station Post-Operational Plankton Monitoring Program Volume Ii: Appendices, Environmental Systems Department Pittsburgh, Pennsylvania, Florida Power Corporation

Reports

Appendix IV-A through IV-F

Coastal Management In Virginia: At The Crossroads

William & Mary Environmental Law and Policy Review

No abstract provided.

Side-Chain Metalations Of Certain Dimethylpyridines By Means Of Organoalkali Metal Reagents, Stephen Bendzunas

Masters Theses

No abstract provided.

Studies Toward The Total Synthesis Of A Colchicine Analog, Jacob Shya Tou

Masters Theses

No abstract provided.

Environmental Perception In Bandelier National Monument, New Mexico, Howard Graham Crow Ii

Geography ETDs

The focus of this study was on visitor satisfac­tion in a natural area, as opposed to alternative use such as preservation of the area, with little or no visitor access. Visitor satisfaction can be approached through studies in environmental perception. Such studies integrate work in psychology, philosophy, and geography. This author sought to determine whether or not more precise information about the perceptual basis for visitor satisfaction in a natural area could be obtained through survey research. Bandelier National Monument served as a useful laboratory for carrying out this research.

Data collection was by a survey technique. A detailed questionnaire …

The Dependence Of The Apparent Pk Of Ion Exchange Celluloses Of Ionic Strength, Paul Cyril Gillespie

Theses and Dissertations

Diethylaminoethyl cellulose was titrated with acid and base in various concentrations of NaCl. The pK values were determined from titration curves using a graphical technique. Two titratable groups were observed from the acid titration curve, a major and a minor group. The minor group, which represented 20% of the acid titration, was barely detectable in the base titration curve and had a salt-independent pK of 6.0. The pK of the major group was strongly salt-dependent and was approximately a linear function of log N NaCl. An equilibrium shift caused by the counter ion may explain the salt dependence. Hydrogen bonding …

A Comparison Of Various Pattern Recognition Techniques, Larry Wood

Masters Theses & Specialist Projects

A comparison of the reliability of three pattern recognition classifiers has been made using data having a great amount of variation. The basic concepts of the Linear Learning Machine, the K Nearest Neighbor Classifier, and the Potential Function Classifier are presented. Prediction of whether a student would pass or fail freshmen Chemistry 120 was made, based on various test results. The Linear Learning Machine was found to be an unworkable classifier for this kind of data. Both the Potential Function Classifier and the K Nearest Neighbor classifier were acceptable with the Potential Function Classifier being generally a better classifier.

Ua77/1 Western Alumnus, Vol. 47, No. 4, Wku Alumni Relations

WKU Administration Documents

Quarterly magazine created for WKU alumni. Regular features are Hilltopics, Sports, Alumni Newsgrams and Notes and In Memoriam. This issue includes:

• Energy: Campus Conservation
• The Quilting Bee
• Old-Timers Take the Court
• Students and the Job Hunt
• Behind the Scenes
• Living and Learning Laboratories
• Rx for Ailing Indoor Plants
• Mardi Gras! ROTC on Parade
• Following the Yellow Brick Road
• Ford: Words of a President
• Photo Feature - President Downing
• Lights, Camera, Actioin!

Suspended And Dissolved Solids Effects On Freshwater Biota: A Review, Darwin L. Sorensen, Margaret M. Mccarthy, E. Joe Middlebrooks, Donald B. Porcella

Reports

It is widely recognized that suspended and dissolved solids in lakes, rivers, streams, and reservoirs affect water quality. In this report the research needs appropriate to setting freshwater quality criteria or standards for suspeneded solids (not including bedload) and dissolveed solids are defined by determining the state of our knowledge from a critical review of the recent literature in this field. Common literature sources and computer searching routines were used as an initial source of information followed by detailed journal searches. Although some 185 journal articles, government reports, and other referecnes were cited herein (about 45 percent publicshed since 1974) …

Survey Study Of Some Egyptian Meteorites, Hedy Edward Assiouty

Archived Theses and Dissertations

No abstract provided.

Effect Of Nitrite And Nitrate On The Larval Development Of The Grass Shrimp Palaemonetes Pugio Holthuis, Carl Bingham Hinesman

OES Theses and Dissertations

The effects of nitrite and nitrate on survival and larval development of the grass shrimp Palaemonetes pugio were investigated in the laboratory. Nitrite concentrations assayed were 0 (control), 0.5, 1.0, 10, 25 and 50 mg NO₂/1. Nitrate concentrations tested were 0 (control), 100, 250, 500, 1000 and 2000 mg NO₃/1. Temperature and salinity conditions were 25 C and 25 ‰, respectively, and all tests occurred in the dark. Thirty-six larvae were reared in each assay, twelve from each of three adult females.

Nitrite levels of'5 and 50 mg NO₂/1 significantly reduced survival of larvae …

A Baseline Study On The Possible Mechanisms Of Larval Stomatopod Distribution On The Carolina Shelf, Carl Robert Berman Jr.

OES Theses and Dissertations

The South Carolina Marine Resources Institute provided the author with 198 station samples containing 2,193 stomatopod larvae. These larvae had been collected during ichthyoplankton Bongo tows on five separate cruises aboard the Institute's vessel R/V DOLPHIN (February, 1972 to January, 1975). The larvae were examined microscopically and divided into early, middle, and late stages according to known growth criteria. The larval distribution was plotted geographically, by seasons, and larval density (larvae/m3) was graphed against distance offshore. Using these data, together with the circulation characteristics on the Carolina Shelf, significant distributional data appeared which supported the hypothesis that the stomatopod population …

Temperature And Salinity Tolerance Of The Larvae Of The Sand Shrimp, Crangon Septemspinosa (Say), Karen Lyttle Hinsman

OES Theses and Dissertations

The effects of temperature and salinity on the larval development of the sand shrimp, Crangon septemspinosa, were investigated in the laboratory using 30 combinations of temperature and salinity in a five by six factorial experiment. The five temperatures were 5°c, 10°c, 15°c, 20°c, and 25°c and the six salinities were 10°/oo, 15°/oo, 20°/oo, 25°/oo, 30°/oo and 35°/oo. Thirty-six larvae were used for each temperature-salinity combination. Temperature and salinity produced significant differences (1% level) in survival and the duration of larval development. Highest survival occurred at 15°c and 20°/oo. At optimum temperatures (15°c to 20°c) larvae exhibited the broadest tolerance …

Theoretical Input-Output Analysis : Three Generalization., Sajal Lahiri Dr.

Doctoral Theses

This atudy "generalisost. inmit-output (10) malynde in the nensa of developing its baste theme and oentral idea in aome apeaifie ddreotions, Three brond direetions cre explored, undar the titlar of Rpaaio-dependenooof 10-mettiolenta, etrustural brenk, and *investment and growth coneietenay, In ecoh ecse the anlyada keepa to the Logie of I0 analynde in the sense of ita approaoh, concepts od methoda. Thie inaludes fn partimlar the edaptation of a cartain banla method of 10 nhelysia to analyse the struoture of reintione obtained in enah onse,The study is divided into five parto where the first providea a detolled introduotion to, and thn …

Electron Tunneling, Charge Transfer, And The Intermolecular Forces Between Two H2 Molecules, Gordon A. Gallup

Gordon Gallup Publications

The spherically averaged van der Waals potential for the system H₂–H₂ has been calculated using a nonorthogonal CI method based on SCF orbitals for the individual molecules. With suitable restrictions on the CI calculation we have isolated various contributions to the van der Waals potential, and have found that charge transfer and dispersion effects are comparable to distances corresponding to the potential minimum. The charge transfer contribution is further discussed in terms of a mechanism involving electron tunneling through the intervening space between the molecules. Our calculation gives a spherically averaged van der Waals well depth of …

Scs 33: Complement To "The Spectral Theory Of Distributive Continuous Lattices", Karl Heinrich Hofmann, Jimmie D. Lawson

Seminar on Continuity in Semilattices

No abstract provided.

The Basis Of College Recommendations On Orchard Mouse Control In New York, James W. Caslick

Eastern Pine and Meadow Vole Symposia

We all depend heavily upon the advice of others, in making our day-to- day decisions. Months, and perhaps years, before the first ounce of a new rodenticide is used by an orchardist, a series of successful "convincings" must occur. A market analyst must convince his company that a new rodenticide is needed and that a suitable market exists. The company's researchers must convince management that their candidate rodenticide has potential worth exploring. Perhaps researchers outside the company then convince management that outside research services would be beneficial. Researchers must then convince regulatory agencies that the new rodenticide is effective against …

The Neadow Vole Situation In Maine Orchards, Francis J. Gramlich

Eastern Pine and Meadow Vole Symposia

Maine orchards produce quality apples--prihllirily }illcIntosh, Cortland, red and golden delicious. We have about 400,000 trees on 7,000 acres. Our production is still in standard trees that are widely spaced, although aL~ost all newer plantings are going to dwarfing stocks. The average orchard is quite small--between 50 and 100 acres. There are several over 200 acres. The largest is 700 acres and is in a class by itself. Most Maine orchards are relatively old and in heavy sod, consequently have have heavy grass and weed cover. Fall meadow mouse populations of more than 200 per acre have been recorded in …

Position Relative To Endrin And Zinc Phosphide For Control Of Pine Mice And Meadow Mice, R. N. Barber

Eastern Pine and Meadow Vole Symposia

Barber Orchards has been an operating orchard since 1903. We are commercial growers with about 31,000 trees. Our number one problem over the years has been the loss of trees due to destruction of root systems by these two species of rodents.

Rodenticide Development, Richard C. Ostrowski

Eastern Pine and Meadow Vole Symposia

It is unfortunate that the development of rodenticide products has not kept pace with other orchard needs. This may be due to 1) long term availability of an inexpensive material, 2) return-on-investment for development costs of new products in lieu of this availability. A critical situation is developing in that the standard material is not performing as well as it did in the past. This may be related to the development of areas of resistance and the increase in pine vole activity.

A Matter Of Survival, S. Pitchon

Eastern Pine and Meadow Vole Symposia

Session V of the program calls for "Chemical Industry Positions on Economics of Rodenticides". I will attempt to describe some of the problems that industry faces in registering pesticides and how they affect the cost and delay registration.

How Our Company Views Pine Mouse Control, H. Lee Showalter

Eastern Pine and Meadow Vole Symposia

Hess Orchards of Waynesboro, Pennsylvania, are growers and packers of fresh fruits. At the present time, we have approximately 350 acres planted to apples and 125 acres planted to peaches. We are producing about 180,000 bushels of apples and 15,000 bushels of peaches annually. Our company is concerned mainly with 'pine' mouse damage. We have had meadow mouse injury but it has not been as much of a problem as the pine mouse damage. We have been spending $4,000 to $6,000 for rodenticide materials annually. This does not include the labor necessary to apply the materials.

Vole Damage And Attempted Control In West Virginia, Bob Butler

Eastern Pine and Meadow Vole Symposia

Meadow and pine vole damage is the number one problem in commercial orchards in the West Virginia area. At present apple powdery mildew is second but vole (hereafter referred to as mouse) damage is first.

Pine Vole Control Research In Virginia, Ross E. Byers

Eastern Pine and Meadow Vole Symposia

A number of anticoagulant baits were found to be effective for the control of pine voles in apple orchards. The more toxic and acute the anticoagulant bait, the more effective the compounds appeared to be in field trials. A single 10 lb/A application of ICI 581, LM 637, and CPN gave excellent control in 1976 trials. Apple baits of ICI 581 and RH 787 also performed very well as a single 10 lb or 5 lb application per acre, respectively. Endrin applied to an orchard with a history of 10 years or more of annual applications did not control the …

Microtine Damage In Michigan Apple Orchards, Walt Conley, Craig S. Killian

Eastern Pine and Meadow Vole Symposia

The object of this study was to provide an estimate of the financial losses caused in Michigan's apple orchards by members of the genus Miarotus, and, if possible, to discover some of the factors affecting the amount of damage. Information was collected from apple growers and from direct observation of 1,520 Michigan apple trees. Data was collected concerning the winters of 1972-73 and 1973-74. Both of these years were characterized hy relatively low populations of microtine rodents in Michigan.

Thevole Problem In Pennsylvania Apple Orchards, George M. Greene

Eastern Pine and Meadow Vole Symposia

At the present time voles are the single most destructive pest in apple orchards in Pennsylvania. No other pest can inflict the type of damage that can kill apple trees as surely as girdling. Orcharding involves tremendous investments ($2,000 - $3,000 per acre) and these investments are being seriously threatened by localized outbreaks of pine and meadow vole infestations.