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Articles 57301 - 57330 of 58457
Full-Text Articles in Entire DC Network
Academic Aspects Of Bird Control (2nd Bird Control Seminar 1964), William B. Jackson , Mel Dyer, Walter Howard
Academic Aspects Of Bird Control (2nd Bird Control Seminar 1964), William B. Jackson , Mel Dyer, Walter Howard
Bird Control Seminars Proceedings
Papers include:
Dr. William B. Jackson, Bowling Green State University - Undergraduate Preparation
Dr. Mel Dyer, Ontario Agricultural College, Guelph, Canada - Approaches to Research
Dr. Walter Howard, University of California, Davis - Some General Remarks Regarding Bird Control
Presentation of Specific Problems
Public Health Aspects Of Bird Control, William B. Jackson, Ralph Masterson, Paul Schnurrenberger, D. O. Jones, Roderic Jones, John Morley, George Mowrey
Public Health Aspects Of Bird Control, William B. Jackson, Ralph Masterson, Paul Schnurrenberger, D. O. Jones, Roderic Jones, John Morley, George Mowrey
Bird Control Seminars Proceedings
The first session; papers include:
Animal Diseases in General
Public Health Aspects of Bird Control or Zoonoses
Public Relations
Sanitation
The Atmospheric Neutron Spectrum At High Altitudes, Michael Sydor
The Atmospheric Neutron Spectrum At High Altitudes, Michael Sydor
Physics & Astronomy ETDs
A measurement of neutron flux in the range 30 -130 Mev at altitudes of 10, 670 feet and 100,000 feet was performed with a directionally sensitive proton recoil detector. The detector consisted of two counters of scintillator plastic which measured dE/dx and energy of proton recoils originating in a third plastic scintillator. Charged particles were eliminated by a guard counter. Energy calibration was performed with charged cosmic ray particles; efficiency and angular sensitivity were calculated. The angular response was checked at 10,670 feet, where a reasonable angular distribution of cosmic ray neutrons could be assumed.
Four balloon flights to 100,000 …
Metabolism Of Thiamine And The Effect Of Some Antagonists, Russel M. Bender
Metabolism Of Thiamine And The Effect Of Some Antagonists, Russel M. Bender
Theses and Dissertations
To investigate the possibility that thiamine has more than one vital role in the mammalian system, it was decided to use the antagonists pyrithiamine and oxythiamine, and to utilize carbon-14 labeled compounds to more effectively study the vitamin and the above-named antagonists. To make it more effective, we felt that perhaps differences between the localization of oxythiamine and pyrithiamine could be detected in the brain. We also considered and tested the possibility that either or both of the antagonists would alter the localization of thiamine. Essentially, two procedures were used in this study. One was a counting method and the …
Evaluation Of Methods Used In The Determination Of Stability Constants Of The Thallium (Iii)-Chloride System At Twenty-Five Degrees, Nelson Kent Dalley
Evaluation Of Methods Used In The Determination Of Stability Constants Of The Thallium (Iii)-Chloride System At Twenty-Five Degrees, Nelson Kent Dalley
Theses and Dissertations
The difficulties encountered in the determination of equilibrium constants in systems with small, not directly rneasureable free ligand concentrations are discussed. These difficulties are illustrated using the determination of the formation constants of the Tl(III)-Cl- system as a specific example. Four methods are used and evaluated in this study. They are (1) the corresponding solutions method, (2) the method of Fronaeus, (3) the solubility of AgCl in Tl(III) solution method and (4) the method of Hugus. A discussion and derivation of each of these methods is given. The first three methods given and free ligand concentration data from which formation …
The Preparation Of Nursing Care Guides From A Study Of Nursing Problems In African Rural Hospitals, Edith L. Gillham
The Preparation Of Nursing Care Guides From A Study Of Nursing Problems In African Rural Hospitals, Edith L. Gillham
Loma Linda University Electronic Theses, Dissertations & Projects
This study was conducted to make nursing care guides which can be used by African students of nursing in making individualized nursing care plans. The nursing problems which were met in African rural hospitals served as a basis for the nursing care guides. Data for the study were obtained through questionnaires which were airmail to ten rural hospitals in Africa. Eight of the hospitals responded to the questionnaires.
The types of employees, the hospital facilities, and diseases of patients hospitalized during 1963 were studied. Special emphasis was placed upon the nursing problems found in the hospitals. These items were employed …
A Ti-Hg Collision Cross Section, Edward E. Stepp, Richard A. Anderson
A Ti-Hg Collision Cross Section, Edward E. Stepp, Richard A. Anderson
Physics Faculty Research & Creative Works
The lifetime of the 63P1 state of Hg was observed as a function of Tl density at two different Hg pressures. From these data it appears that at high Tl densities the lifetime of the 63P1 state of Hg is controlled by collisions with Tl atoms. Using this assumption and simple gas kinetic theory, a cross section for these collisions was calculated.
Ground-Water Appraisal Of The Meadow Valley Area, Lincoln And Clark Counties, Nevada, F. Eugene Rush
Ground-Water Appraisal Of The Meadow Valley Area, Lincoln And Clark Counties, Nevada, F. Eugene Rush
Publications (WR)
This report, the 27th in the series of reconnaissance ground-water studies which were initiated following authorization by the I960 Legislature, gives the results of a study of the Meadow Valley area. This area includes eight valleys in southeastern Nevada - - Patterson, Spring, Eagle, Dry, Rose, Panaca, Clover, and Lower Meadow Valley - - all part of the Colorado River drainage system.
This study was made and report prepared by F. Eugene Rush, Geologist for the U. S. Geological Survey.
These reconnaissance ground-water resources surveys make available pertinent information of great and immediate value to many State and Federal agencies. …
Potential Diuretic Agents:-The Synthesis Of 4, 7-Disubstituted Derivatives Of 2-Phenylimidazo [4, 5-D]Pyridazine, Miriam P. Malm
Potential Diuretic Agents:-The Synthesis Of 4, 7-Disubstituted Derivatives Of 2-Phenylimidazo [4, 5-D]Pyridazine, Miriam P. Malm
Chemistry and Chemical Biology ETDs
"The maintenance of the water balance of an organism is of prime importance for its physiologic well-being." (1) Water, which composes approximately two-thirds of the entire human body weight, is the fluid in which all vital chemical reactions occur. A loss of 25 percent of body water usually proves fatal. The inherent physical and chemical properties of water render it as the ideal fluid to meet the physiological demands of the organism.
Spectroscopic Studies Of Tris (2,2'-Bipyridine)- And Tris (I, 10-Phenanthroline) Iron (Ii), -Ruthenium (Ii), And -Osmium (Ii), Sonia Lee Sabath
Spectroscopic Studies Of Tris (2,2'-Bipyridine)- And Tris (I, 10-Phenanthroline) Iron (Ii), -Ruthenium (Ii), And -Osmium (Ii), Sonia Lee Sabath
Chemistry and Chemical Biology ETDs
The tris(2,2'-bipyridine)- and tris(l,10-phenanthroline) complexes of iron(II), ruthenium(II), and osmium(II) were synthesized, purified, and characterized by analyses. The solution absorption spectra of the compounds were measured both in the ultraviolet and visible regions. The observed ultraviolet absorption bands of the ruthenium and osmium complexes were assigned entirely to transitions, the prominent bands being assigned to ligand (perturbed) transitions by comparison with the published assignments of the corresponding bands in analogous iron complexes. The visible absorption spectra for iron(II) and ruthenium(II) complexes were attributed entirely to singlet-singlet charge transfer transitions. The strong visible absorption bands of osmium(II) complexes were also assigned …
Stabilization Of A Balloon-Borne Package, Gary W. Tomlinson
Stabilization Of A Balloon-Borne Package, Gary W. Tomlinson
Physics & Astronomy ETDs
It is desirable in certain applications of balloon-borne systems to stabilize the apparatus against rotation about the vertical axis and against tilting. The method of stabilization which will be discussed in this paper involves the use of a set of three gyroscopes which provide a reaction to any torques which would tend to rotate or tilt the package. A model was constructed which demonstrates the feasibility of this method. If the system is to be used for some type of astronomical measurement it may also be desirable to scan a portion of the sky at a constant rate. A method …
Force-On-The-Wall Calculations For One-Dimensional Dense Gases With Intermolecular Potentials., Thomas Daniel Butler
Force-On-The-Wall Calculations For One-Dimensional Dense Gases With Intermolecular Potentials., Thomas Daniel Butler
Physics & Astronomy ETDs
The theoretical study of dense gases with strong intermolecular forces is impeded by lack of sufficient experimental which to compare predictions of the properties. High speed computers can supply this information by calculating the detailed dynamics of molecular assemblages, thereby taking the place of an actual physical experiment. This information supplied by the computers not only can test the validity of existing theories, but also it can indicate directions for possible improvement in the theoretical approximations.
In order to show the adaptability of computers to this task, this thesis deals with the theoretical and computer-experimental study of the force exerted …
The Monadnock Volume 38, June 1964, Clark University Geographical Society
The Monadnock Volume 38, June 1964, Clark University Geographical Society
The Monadnock (Clark Geographical Society)
Volume 38 of The Monadnock. The Monadnock was the alumni magazine of the Clark University Geographical Society (1927-1985) (2014-present).
A Survey Of Physicians' Opinions Of The Nurse's Role And Ideal Characteristics, Vaneta Mabley Condon
A Survey Of Physicians' Opinions Of The Nurse's Role And Ideal Characteristics, Vaneta Mabley Condon
Loma Linda University Electronic Theses, Dissertations & Projects
The purpose of this study was to obtain physicians' opinions concerning the registered nurse's role and ideal characteristics. A review of literature was done and a pilot study was conducted. The descriptive survey method was used. The opinions of seventy-one internists on the staffs of two hospitals connected with a church related university were; obtained through use of a questionnaire. Analysis of the data was made by computer, by counts and by an item analysis. Forty-one of the physicians in the study were graduates of the school of medicine of the selected university and were Seventh-day Adventist in religious belief. …
The Incidence Of Cancer Of The Cervix In A Selected Group Of Women, Charleene W. Riffel
The Incidence Of Cancer Of The Cervix In A Selected Group Of Women, Charleene W. Riffel
Loma Linda University Electronic Theses, Dissertations & Projects
It was the purpose of this study to find out the incidence of cancer of the cervix in a selected group of Seventh-day Adventist women. This was to be accomplished by an exfoliative cytological survey of smears for cervical cancer and the relation of the incidence found to the age, race, marital status, pregnancy status, geographic origin and endocrine therapy of the participants. These participants were the 2248 women who had cervical and/or vaginal smears made while in San Francisco to attend a religious conference in July of 1962.
From a review of literature it was found that cancer of …
Job Termination Study, Violet G. Miller
Job Termination Study, Violet G. Miller
Loma Linda University Electronic Theses, Dissertations & Projects
This job termination study was done to find out the number of terminations and the reasons given for these terminations in a selected hospital. It was also done to determine the factors that were responsible for the decision of the employee to terminate. Both job related and non job related factors were studied. By studying these reasons and factors, nursing service administration may come to a better understanding of those areas within the working unit and relationships that need to have further study.
The method of study was the descriptive survey. The study had two sources of data, and two …
Falls Sustained By Patients In A Selected Nursing Home, Katty Joy Fenton
Falls Sustained By Patients In A Selected Nursing Home, Katty Joy Fenton
Loma Linda University Electronic Theses, Dissertations & Projects
This study was done to learn how the incidence of falls was related to certain, selected factors such as ambulatory state, sex, location of occurrence and time of occurrence in the nursing home chosen for the study and to make recommendations for increasing the safety of nursing home patients.
The descriptive-survey was the method used in the study. The data were made available in the form of 235 incident reports which had been collected over a five-year period in the selected nursing home. There were 213 of these records which described falls of various types so the study was limited …
Student's Awareness Of Covert Needs Of Patients In A General Hospital, Elizabeth Liston Hedrick
Student's Awareness Of Covert Needs Of Patients In A General Hospital, Elizabeth Liston Hedrick
Loma Linda University Electronic Theses, Dissertations & Projects
The purpose of this study was to ascertain whether an introduction course in psychiatric nursing for beginning students would increase their awareness of the covert nursing needs of the hospitalized patient.
Literature was reviewed to find out what had been written concerning covert needs, how one could discern them and to determine the need of the patient as an individual.
Using the problem solving method, a tool was prepared to test the ability to identify covert nursing problems. A situational test was developed from experiences of seven hospitalized patients. A pilot study was conducted to perfect the tool.
The sample …
The Relationship Of Central Venous Pressure To Hemorrhage In Open Heart Surgery, Mable Reynolds
The Relationship Of Central Venous Pressure To Hemorrhage In Open Heart Surgery, Mable Reynolds
Loma Linda University Electronic Theses, Dissertations & Projects
The problem of this study was to review 100 open heart surgical cases in a selected hospital to determine the changes occurring in central venous pressure in relation to blood loss.
The review of literature revealed that central venous pressure is an important factor in determining immediate postoperative care of open heart surgical patients. If central venous pressure falls below the normal range of 5 to 10 centimeters of water, hemorrhage is suspected. If central venous pressure is elevated between 15 and 20 centimeters of water, cardiac tamponade is suspected.
The descriptive survey method of research was used. Medical records …
A Study Of The Effect Of Varying Serum Phenylalanine Levels On Changes In Intelligence Quotient, Darlene Imai Manullang
A Study Of The Effect Of Varying Serum Phenylalanine Levels On Changes In Intelligence Quotient, Darlene Imai Manullang
Loma Linda University Electronic Theses, Dissertations & Projects
Data from thirty medical records of phenylketonuric children under treatment were investigated to determine at which serum phenylalanine level (0-3.9 mg. %, 4-7.9 mg %, 8-11.9 mg. %, greater than 12 mg. %) there would be the greatest increase in intelligence. The children involved in the study were divided into the following groups according to the age dietary treatment was initiated: 0 through 5 months, 6 through 11 months, 12 through 23 months, and over 2 years of age.
Among 6 patients who were placed on the diet during the first 5 months of life, it appears that the optimal …
The Synthesis And Evaluation Of Some 2-Arylindenes And 2-Aryl-3h-Benz[E]Indenes As Liquid Scintillation Solutes, James Leslie Schornick
The Synthesis And Evaluation Of Some 2-Arylindenes And 2-Aryl-3h-Benz[E]Indenes As Liquid Scintillation Solutes, James Leslie Schornick
Chemistry and Chemical Biology ETDs
A scintillator, in the chemical sense, is a system which can convert radioactive particle energy to visible and near ultraviolet photon energy. A phenomenon related to scintillation is fluorescence. The difference between scintillation and fluorescence is the source of excitation energy. In the case of scintillation, the exciting energy comes from radioactive particles, while in fluorescence, the exciting energy comes from ultraviolet light.
The Diffraction Of Polarized Light By A Conducting Straight Edge In The Geometrical Shadow, Richard W. Morris
The Diffraction Of Polarized Light By A Conducting Straight Edge In The Geometrical Shadow, Richard W. Morris
Physics & Astronomy ETDs
Theory predicts that the diffraction pattern of a conduction straight edge will show deviations from the diffraction pattern of a non-conductor, and further, that these deviations will depend upon the polarization of the incident light. In this experiment the diffraction of polarized, coherent light from a monochromatic source by a metallic straight edge was studied in a region near the edge of the geometrical shadow. Two orientations of the polarization were used: one with the E vector of the polarized light parallel to the diffracting edge, and the other with the E vector perpendicular to the diffracting edge. Three different …
Determination Of The Orientation Of Air-Borne Instrumentation, David G. Miller
Determination Of The Orientation Of Air-Borne Instrumentation, David G. Miller
Physics & Astronomy ETDs
Air-borne devices have been used as a means of observation and collection of information in meteorology and atmospheric physics for many years. Only in recent years, however, has the increasing use of such devices been made for astronomical observations. A balloon-borne telescope at 80,000 to 100,000 feet, for example, has many advantages: the distortion, absorption and scattering of light by the atmosphere and the dependence on weather conditions, which plagues earthbound observations, are essentially eliminated. It seems apparent that astronomical observation will eventually be able to be made only by airborne or satellite observatories. The decline in usefulness of the …
Phase Changes In Solid Cyclohexanol, William T. Griffith
Phase Changes In Solid Cyclohexanol, William T. Griffith
Physics & Astronomy ETDs
Cyclohexanol is one of a group of organic compounds which exist in a “plastic crystal" solid phase, which is intermediate in its properties between the liquid phase and the solid phases stable at lower temperatures. It has been well established that the odd properties of the plastic crystal phase are due to the relatively unhindered rotation of the molecules about their lattice positions. At temperatures often considerably below the freezing point, these compounds undergo a solid-solid phase transformation in which this rotational freedom is lost. The heats and entropies of transformation at this lower transition point are generally larger than …
Large Angle Scattering Of Polarized Light By A Straight Edge, Theodore S. Fahlen
Large Angle Scattering Of Polarized Light By A Straight Edge, Theodore S. Fahlen
Physics & Astronomy ETDs
The purpose of this experiment was to observe the light diffracted into the geometrical shadow of a sharp and a blunt metallic straight edge using a polarized, very intense, highly coherent light source. The light source used was a ruby laser, and a Nicol prism was used to linearly polarize the laser light. Two polarizations of the laser beam were used: One with the E vector of the incident beam oriented parallel to the edge of the straight edge, and the other with the E vector oriented perpendicular to the edge. One photomultiplier tube was used to monitor the pulsed …
Variations In The Dielectric Constants Of Camphor And Camphene Under Pressure, Donald R. Wheeler
Variations In The Dielectric Constants Of Camphor And Camphene Under Pressure, Donald R. Wheeler
Physics & Astronomy ETDs
Camphor and camphene are two of a group of substances known as plastic solids. The plastic solids are all characterized by the ease with which they can be deformed. It has been suggested that this property is a result of a great number of mobile vacancies in the crystal lattice. Nabarro and Herring explain the "creep", characteristic of metals, in this way.
On The Optimal Search Problem, Wallace E. Franck Jr.
On The Optimal Search Problem, Wallace E. Franck Jr.
Mathematics & Statistics ETDs
Suppose a searcher is at a given point on a line and wishes to locate an object which is known to be somewhere on the line. Suppose further that there is a probabilistic law which governs the location of the object on the line. The searcher can only locate the object by traveling to the point where it is. He desires to formulate a search plan which will minimize the average distance traveled before locating the object. The only initial choice he has is as to which direction to go. Then he must decide how far to go before turning …
The Geology Of The Northern And Eastern Parts Of The Ladron Mountains, Socorro County, New Mexico., Bruce A. Black
The Geology Of The Northern And Eastern Parts Of The Ladron Mountains, Socorro County, New Mexico., Bruce A. Black
Earth and Planetary Sciences ETDs
The Laron Mountains are & westward-tilted fault block and an important western bounding structure of the Rio Grande depression in the Albuquerque-Belen basin. The main massif is a complex of both igneous and metamorphic Precambrian rocks. It consists of a thick sequence of steeply east-dipping quartzite & and schists which are predominantly a product of low- to medium- grade regional Precambrian metamorphism. Granitic gneiss is ptygmatically folded with abundant schist remnant in a large area on the eastern flank of the mountains and represents an ultrametamorphic product of anatexis. All metamorphic rocks have been invaded by two later Precambrian granites. …
The Nuclear-Active Component Of Extensive Air Showers, E. Royce Fletcher
The Nuclear-Active Component Of Extensive Air Showers, E. Royce Fletcher
Physics & Astronomy ETDs
In 1900 Wilson (1900; 1901a; 1901b) in England and Elster and Geitel (1900) in Germany began a series of experiments which were ultimately to lead to the discovery of cosmic rays. Using an electroscope mounted in a grounded metal box, they were able to show that the air in a closed vessel has a slight residual conductivity. After careful experiments had eliminated insulator leakage and charged dust particles as possible sources of the observed current, Wilson speculated that the ionization might be due to the presence of some very penetrating radiation coming from outside the atmosphere. Unfortunately, however, he abandoned …
On The Calculation Of Multicenter Two-Electron Repulsion Integrals Involving Slater Functions, Russell A. Bonham, Jerry Peacher, Henry L. Cox
On The Calculation Of Multicenter Two-Electron Repulsion Integrals Involving Slater Functions, Russell A. Bonham, Jerry Peacher, Henry L. Cox
Physics Faculty Research & Creative Works
Integral transforms are used to evaluate many-center two-electron repulsion integrals involving Slater s-type functions. The reduction of a general four-center integral of this type to a form convenient for computational purposes is presented. The technique described has the important advantage that all lesser many-center and one-center integrals can be obtained from the four-center case by proper choice of constants. The form of the result is such that simple single-precision numerical techniques yield rapid and accurate evaluations of many-center integrals. Several numerical examples are presented.