163 research outputs found
George E. Probst Papers
No full textGeorge E. Probst (1917-1986) held many positions in both broadcasting and education from 1944 to 1983: Executive Director, Office of Radio and Television, University of Chicago (1944-1954); Founder, director and Producer, University of Chicago Roundtable (NBC) (1944-1954); Chairman, committee that presented before the Federal Communications Commission (FCC) the case for assigning television channels for education (1949-1950): Chairman, finance committee, Joint Committee on Educational Television (JCET) (1950-1952); Chairman, Committee of all educational institutions, Chicago Metropolitan Area Educational Television (1951-1953; Chairman, Adult Education Committee administering Fund for Adult Education grant for production of radio series The Jefferson Heritage (co-author), Ways of Mankind, People Under Communism, Voice of Europe(1951-1953); Director, radio and television programming, WGBH (Boston, MA) (1954); Co-founder, President, Broadcast Foundation of America (1955-1983); Producer, director, writer,Democracy in America, a series based on Alexis de Tocqueville's observations of American life and politics (1958); Director, National Educational Television and Radio Center (1960-1966); Executive Director, National Commission for Cooperative Education (1966-1976); Consultant, U.S. Office of Education (1968-1976). The collection documents Probst's participation in National Conference on Citizens Rights in Broadcasting, October 1970 as well as the public television programms: Tocqueville's America and The University of Chicago Roundtable
Happytime Series #24
No full textThis booklet presents two irregularities or anomalies. First, it is missing four pages at its center. WL seems just to have ended, and we find ourselves suddenly on the last page of The Wolf Who Became a Shepherd. The second anomaly grows out of the fact that this edition acknowledges that it is a translation by arrangement with Librairie Hachette. The book in question seems to be La Fontaine: Fables from Hachette in 1953. Three of that book's four stories are presented here, including the exact same pictures. The anomaly is that that book proclaims Imagées par Romain Simon, while this has Pictures by Pierre Probst. The texts for what we have here follow La Fontaine's versions. As I say concerning that book, of the simple, lively colored illustrations, two stand out for me. Both illustrate MSA. The former, on the title-page, shows a disgruntled father with a happy child as both sit on the beast. The latter, on the last page, pictures the two flanking the beast and walking arm-in-arm with it. Now all three are happy!Traduit du Latin par E. Panckouck
The role of air pollution in the aetiology of type 2 diabetes
No full textBackground. The public health burden of type 2 diabetes cannot be overestimated. Prevalence of type 2 diabetes is continuously increasing and has caused a great number of deaths and economic losses. Optimal prevention measures for type 2 diabetes entail that more risk factors need to be identified. Air pollution is one of the modifiable environmental risk factors causing health problems, most notably respiratory diseases. Recently there have been indications for a spill-over of its effects into the cardio-metabolic systems. Short-term exposure to air pollution may exert acute or sub-acute inflammatory cardio-metabolic responses which on long-term, sustained exposure could lead to overt cardiovascular diseases and type 2 diabetes. However, it is unclear if long-term exposure to pollutants in the air contributes to the development of type 2 diabetes. This work generates evidence to fill knowledge gaps on the impact of air pollutants on the development of type 2 diabetes and on how different susceptibilities in the general population could contribute to the understanding of the mechanisms involved in this relationship.
Methods. First, this work summarized the existing evidence on the possible relationship between long-term exposure to air pollutants and type 2 diabetes. Furthermore, in the framework of the first follow-up of SAPALDIA- the Swiss Cohort Study on Air Pollution and Lung and Heart Diseases in Adults, this work used indices for long-term exposure air pollution – 10-year mean particulate matter <10μm in diameter [PM10] and nitrogen dioxide [NO2] - assigned to participants’ residences using a combination of Gaussian dispersion and Land-use regression models, participants residential histories and pollutant trends at monitoring stations. It identified diabetes and metabolic syndrome cases in a comprehensive way considering self-reports, blood tests and other physical measures. It additionally identified genetic variants through genotyping on two different arrays – the Human Illumina610quad Bead Chip and the Taqman PCR assay - for 63 type 2 diabetes genetic polymorphisms [towards a diabetes gene score] and a functional polymorphism on the IL6 gene respectively. Based on the above and detailed health socio-demographic and lifestyle characteristics including smoking habits, occupational exposures, alcohol, nutrition, physical activity, body measurements and additional data collected in SAPALDIA, it was ideal to investigate the cross-sectional relationships between air pollutants and diabetes and to explore interactions [based on various susceptibilities] to understand mechanisms involved in the relationship between long-term exposure to air pollutants and type 2 diabetes.
Results. In this work, we found a positive relationship between PM2.5 and NO2 and the risk of T2D in the pooled evidence synthesized from electronic databases. In the frame of SAPALDIA biobank, we found a moderate positive association between long-term exposure to PM10 [and NO2] and prevalent diabetes, and demonstrated a sustained effect of PM10 independent of NO2, while NO2 lost its association on accounting for PM10 in multi-pollutant models. Among the measures of cardio-metabolic function, PM10 impacted most on impairment of glucose homeostasis and least on blood lipoproteins and triglycerides. The relationship between PM10 and impaired fasting glycaemia was more apparent among the physically active. Age also appeared to influence the relationship between PM10 and impaired fasting glycaemia. People at higher polygenic risk for type 2 diabetes were more susceptible to PM10. Genetic risk for insulin resistance and obesity appeared to be more relevant than those for beta-cell function in modifying the effects of PM10, especially among those with some background inflammatory conditions. Carriers of the pro-inflammatory major ‘G’ allele of IL6-572GC, with allele frequency of 93%, were also more susceptible to PM10 in relation to diabetes.
Conclusions. This work has greatly contributed to evidence suggesting the possible role of air pollutants in diabetes aetiology. The reported associations were observed at mean concentrations below current air quality guidelines. PM10 may be a good marker for aspects of air pollution [rather than NO2] relevant for the development of diabetes. In particular, PM10 might act through sub-clinical inflammation and resultant impaired insulin sensitivity. Impairment of insulin secretion may be a less relevant pathway for PM10 action. Physical activity, though beneficial, presented another likely pathway for PM10 effects. These findings, if confirmed, call for the strengthening of air quality policies and adaptation of physical activity promotion to environmental contrasts. Future studies should explore the totality of environmental exposures – exposomics –in a life-course fashion. The mediating role of DNA methylation influencing genetic expression should be further explored. For global generalizability, there is a strong need for evidence replication in developing countries where outdoor and indoor air pollution is quite high and mostly unregulated, and the burden of non-communicable diseases is rapidly growing
A CATALOG OF STELLAR EVOLUTION PROFILES AND THE EFFECTS OF VARIABLE COMPOSITION ON HABITABLE SYSTEMS
No full textabstract: We present stellar evolution models for 0.5 - 1.2 M[subscript ⊙] at scaled metallicities of 0.1 - 1.5 Z[subscript ⊙] and O/Fe values of 0.44 - 2.28 O/Fe[subscript ⊙]. The time dependent evolution of habitable zone boundaries are calculated for each stellar evolution track based on stellar mass, effective temperature, and luminosity parameterizations. The rate of change of stellar surface quantities and the surrounding habitable zone position are strong functions of all three quantities explored. The range of orbits that remain continuously habitable, or habitable for at least 2 Gyr, are provided. The results show that the detailed chemical characterization of exoplanet host stars and a consideration of their evolutionary history are necessary to assess the likelihood that a planet found in the instantaneous habitable zone has had sufficient time to develop a biosphere capable of producing detectable biosignatures. This model grid is designed for use by the astrobiology and exoplanet communities to efficiently characterize the time evolution of host stars and their habitable zones for planetary candidates of interest.Copyright IOP Publishing. This is the authors' final, peer-reviewed manuscript. Truitt, Amanda, Young, Patrick A., Spacek, Alexander, Probst, Luke, & Dietrich, Jeremy (2015). A CATALOG OF STELLAR EVOLUTION PROFILES AND THE EFFECTS OF VARIABLE COMPOSITION ON HABITABLE SYSTEMS. ASTROPHYSICAL JOURNAL, 804(2), 0-0. http://dx.doi.org/10.1088/0004-637X/804/2/145. The final version as published can be viewed online at http://dx.doi.org/10.1088/0004-637X/804/2/14
Wind tunnel study of ventilation system entrainment of building exhausts at Coolbaugh Hall, Colorado School of Mines campus: final report (September 9, 1993)
No full textFor Mr. Brit Probst, Davis Partnership.CER93-94-DEN-3.CSU contract (i.e. project) no. 53-6801
Perspectives on Max Frisch
No full textMax Frisch, with his countryman Friederich Diirrenmatt, shares the place of eminence in contemporary Swiss literature. Indeed, he ranks high among the recent leading writers in the German language. But, although several of his works— novels and plays—have been translated into English, he remains little known in America. In this collection of essays an international group of scholars provides a fresh introduction to this noted author.
The three leading essays review Frisch\u27s work in the forms he has used most extensively—drama, narrative fiction, and the personal diary. The remaining nine essays focus on specific works or topics. Among the works examined are I\u27m Not Stiller, A Wilderness of Mirrors, Wilhelm Tell, and the recent Man in the Holocene. Among the topics are Frisch\u27s use of language and images, his treatment of women, and the element of parody. Concluding the volume is the most complete bibliography on Frisch to appear in English to date.
Gerhard F. Probst is professor of German at Transylvania University and is also on the faculty of the Technische Universitat (West Berlin).
Jay F. Bodine is assistant professor in the department of foreign languages and literatures at Southern Illinois University-Carbondale.
May be read with profit by the general public and by Frisch Scholars. —German Quarterlyhttps://uknowledge.uky.edu/upk_german_literature/1003/thumbnail.jp
Coasts, estuaries and tidal hydraulics
No full textDescription of coastal engineering, with focus on lowland, deltaic coasts (the Netherlands), description of estuaries, coastal protection work
Data-driven optimal control for safe quadrotor navigation in windy environments
No full textCreating autonomous Micro Aerial Vehicles for executing complex missions poses various challenges, including safe navigation in the presence of external wind disturbances. Most current navigation methods handle external wind disturbances through real-time estimation and rejection algorithms in the control stage, but lack safety guarantees in strong winds. Recent robust methods provide safety guarantees but can be overly conservative. With the availability of more powerful computing devices, data-driven control algorithms are becoming increasingly feasible. Combining Gaussian Process models with Model Predictive Control has shown to enhance safety and performance in various control applications. Moreover, Model Predictive Control has been extended to solve more complex optimization algorithms that combine trajectory generation and tracking, preventing reference trajectories that are risky and challenging to control in the presence of disturbances. This research aims to improve quadrotor navigation in windy environments by using Gaussian Processes to model wind disturbances. The Gaussian Process model is integrated with a Model Predictive Contouring Control formulation that combines trajectory generation and control into one optimization problem. A nominal model of the quadrotor is derived and the Gaussian Process disturbance model is trained with the quadrotor position as input and wind disturbance as output. The wind disturbance map, along with the nominal model, is implemented in the Model Predictive Contouring Controller to consider both the mean and uncertainty of the resulting probabilistic model. This study validates the use of Gaussian Processes to model complex wind disturbances in quadrotor navigation. The wind disturbance map is trained from available state information, with data collected using an optimal exploration design to minimize uncertainty and reduce exploration times. The hyperparameters involved in training the Gaussian Process model are discussed and the implementation of sparse Gaussian Processes is outlined to make it real-time feasible for the Model Predictive Contouring Control formulation. Including the prediction model by incorporating chance constraints results in improved tracking and increased robustness in cluttered environments compared to the nominal Model Predictive Contouring Control formulation. The proposed algorithm is shown to outperform state-of-the-art methods for safe quadrotor navigation in windy and cluttered environments, being able to handle more complex wind fields than existing methods while also being less conservative.Mechanical Engineering | Systems and Contro
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