A Status Study of Prospective School Administrators Graduated from Fort Hays Kansas State College, 1955-01/01/1960

The purpose of this study was to determine how many of the people who were prepared in school administration at Fort Hays Kansas State College during a six-year period have actually been employed in an administrative position. Among the questions to be answered by the study were the following: How many graduates were employed in administration? How many of these people had been administrators and were employed in other fields? Why did the graduates take courses in school administration? How many had no intention of becoming school administrators after completion of the work? Why had some graduates not entered the field of administration

THE ACCRETION MODEL OF NEANDERTAL EVOLUTION

The Accretion model of Neandertal evolution specifies that this group of Late Pleistocene hominids evolved in partial or complete genetic isolation from the rest of humanity through the gradual accumulation of distinctive morphological traits in European populations. As they became more common, these traits also became less variable, according to those workers who developed the model. Its supporters propose that genetic drift caused this evolution, resulting from an initial small European population size and either complete isolation or drastic reduction in gene flow between this deme and contemporary human populations elsewhere. Here, we test an evolutionary model of gene flow between regions against fossil data from the European population of the Middle and Late Pleistocene. The results of the analysis clearly show that the European population was not significantly divergent from its contemporaries, even in a subset of traits chosen to show the maximum differences between Europeans and other populations. The pattern of changes, over time within Europe of the traits in this subset, does not support the Accretion model, either because the characters did not change in the manner specified by the model or because the characters did not change at all. From these data, we can conclude that special phenomena such as near-complete isolation of the European population during the Pleistocene are not required to explain the pattern of evolution in this region.Peer Reviewedhttp://deepblue.lib.umich.edu/bitstream/2027.42/72466/1/j.0014-3820.2001.tb00667.x.pd

Assessing Physical Activity During a High Altitude Trek in Peru

Please view abstract in the attached PDF file

The Effects of Catalyst, Free Fatty Acids, and Water on Transecterification of Beef Tallow

Transesterification of beef tallow and methanol is affected by many factors. Catalyst, free fatty acids, and water in beef tallow, and reaction time were investigated. Sodium hydroxide (NUOH) was a more effective catalyst than sodium methoxide (NaMeOj. NaOH and NaMeO reached their maximum activities at 0.3% and 0.5%, w/w of beef tallow, respectively. The presence of water had more negative effect on transesterification than did the presence of free fatty acids (FFA). For best results, the water content of beef tallow should be kept not beyond 0.0696, w/w. FFA content of beef tallow should be kept below 0.596, w/w. The transesterification of beef tallow was very slow in the first minute. The production of beef tallow methyl esters (BTME) was complete after about 15 min. There were still some mono- and diglycerides in the BTME phase after the reaction was finished

Gelatin Manufacturing Process and Product

The present invention overcomes the deficiencies of the prior art by providing a process for manufacturing gelatin including cleaning a fowl-based source of collagen; subjecting the fowl-based source of collagen to at least one water extraction to extract gelatin from the collagen source; and separating the gelatin from any resulting by-products, wherein the process does not require an initial acid or lime pretreatment step. The present invention also includes a product made from this process

Serological evidence of cross infection in a dialysis unit hepatitis-B epidemic

Serological evidence of cross infection in a dialysis unit hepatitis-B epidemic. This study provides serological as well as epidemiological evidence that a dialysis unit hepatitis-B epidemic was spread by cross contamination. There were 74 patients and staff who developed HB-Ag-positive hepatitis during a 28-month hospital surveillance period. Twenty-six of these cases were intimately related to the dialysis unit (21 dialysis/transplant patients and five hospital staff) and 58 were not. Representative sera from each group of cases were further tested for HB-Ag subtype specificity. Thirteen of 14 dialysis/transplant patients had subtype ay whereas ten of 15 general hospital patients had the alternate phenotype ad. All four staff who had probably acquired their infection from dialysis/transplant patients were ay subtype. Eight of the dialysis/transplant patients had never received blood. Transfusion rate in the infected dialysis patients was one-third that of leukemic patients but the hepatitis rate was higher.Preuve sérologique d'une contamination croisée dans une unité de dialyse par le virus B de l'hépatite. Ce travail apporte les preuves sérologiques et épidémiologiques de la contamination croisée d'une unité d'hémodialyse par le virus B de l'hépatite. Soixante-quatorze malades et membres de l'équipe ont développé une hépatite HB-Ag positive dans les 28 mois de la surveillance de l'hôpital. Vingt-six de ces cas ont été liés étroitement à la dialyse (21 malades de dialyse ou transplantation et 5 membres de l'équipe) et 58 ne l'étaient pas. Dans chaque groupe de cas le sérum a été étudié pour identifier les phénotypes de HB-Ag. Treize des 14 malades de dialyse ou transplantation avaient le phénotype ay alors que 10 parmi 15 des malades de l'hôpital général avaient l'autre phénotype ad. Les quatre membres de l'équipe qui avaient probablement contracté leur infection à partir de malades de transplantation ou de dialyse avaient le phénotype ay. Huit des malades de dialyse ou de transplantation n'avaient jamais reçu de sang. Le débit transfusions chez les malades en dialyse atteints par l'hépatite était le tiers de celui des malades leucémiques mais l'incidence de l'hépatite a été plus grande chez les premiers

Thermal Degradation Kinetics of Distillers Grains and Solubles in Nitrogen and Air

The pyrolysis and oxidation kinetics of distillers grains and solubles were determined using thermogravimetric analysis. The starting temperature of pyrolysis and oxidation of distillers grains and solubles increased with the increase of heating rate and initial moisture content. The pyrolysis and oxidation of distillers grains and solubles were completed at 650°C and 850°C, respectively, which were independent of the heating rate and the initial moisture content. The residual weights of distillers grains and solubles after pyrolysis and oxidation were 27.15% and 5.49% of the original dry mass of distillers grains and solubles. Thermogravimetrical analysis data was used to determine kinetic parameters of the thermal degradation of distillers grains and solubles. Predicted dynamic residual weights of distillers grains and solubles during thermal degradation agreed well with experimental data. Keywords: biomass, distillers grains and solubles, kinetics, TGA, thermochemica

Measurement of Respiratory Chain Enzyme Activity in Human Renal Biopsy Specimens

Background: Mitochondrial disorders can present as kidney disease in children and be difficult to diagnose. Measurement of mitochondrial function in kidney tissue may help diagnosis. This study was to assess the feasibility of obtaining renal samples and analysing them for respiratory chain enzyme activity. Methods: The subjects were children undergoing a routine diagnostic renal biopsy, in whom a clinical condition of renal inflammation, scarring and primary metabolic disorder was unlikely. A fresh sample of kidney was snap frozen and later assayed for the activities of respiratory chain enzyme complexes I, II/III, and IV using spectrophotometric enzyme assay, and expressed as a ratio of citrate synthase activity. Results: The range of respiratory chain enzyme activity for complex I was 0.161 to 0.866 (mean 0.404, SD 0.2), for complex II/III was 0.021 to 0.318 (mean 0.177, SD 0.095) and for complex IV was 0.001 to 0.025 (mean 0.015, SD 0.006). There were correlations between the different activities but not between them and the age of the children or a measure of the amount of chronic damage in the kidneys. Conclusion: It is feasible to measure respiratory chain enzyme activity in routine renal biopsy specimens