The Study of Gas Decomposition Due to Laser Stimulation

A survey of various gases known to emit radiation when pumped with a laser was undertaken to discover whether or no these gases would decompose as a result of the laser stimulation. A literature search provided some previous work in this area but left many gases unstudied. Methanol, 1,1-difluoroethylene, ethanol, methylene chloride and methyl iodide were subjected to laser irradiation, Using an infrared spectrophotometer as a detector, none of these five gases showed clear evidence of decomposition, Because of inherent limitations of the IR detection system, a mass spectrometer was put into operation. Calibration of this instrument was performed, Results of the calibration suggest that the mass spectrometer would greatly improve the original experimental setup

Jesuit Province of New England: The Expanding Years

All physical materials associated with the New England Province Archive are currently held by the Jesuit Archives in St. Louis, MO. Any inquiries about these materials should be directed to the Jesuit Archives . Electronic versions of some items and the descriptions and finding aids to the Archives, which are hosted in CrossWorks, are provided only as a courtesy. This history of the New England Province of Jesuits covers the years 1929 to 1979. It describes educational institutions: Cheverus High School, Portland, Maine, Cranwell Preparatory School, Lenox, Mass., Fairfield Preparatory School and Fairfield University, Fairfield, Conn., the Xavier School, Concord, Mass., the relocation of Boston College High School from the South End of Boston to Dorchester, and the proposed use of Weston College, Weston, Mass., as a military hospital during World War II as well as the Baghdad Mission and some other mission possibilities in the Middle East and Argentina.https://crossworks.holycross.edu/nenprovhistory/1002/thumbnail.jp

Writing Assignments in Epidemiology Courses: How Many and How Good?

© 2019, Association of Schools and Programs of Public Health. Objectives: Schools and programs of public health are concerned about poor student writing. We determined the proportion of epidemiology courses that required writing assignments and the presence of 6 characteristics of these assignments. Methods: We requested syllabi, writing assignments, and grading criteria from instructors of graduate and undergraduate epidemiology courses taught during 2016 or 2017. We assessed the extent to which these assignments incorporated 6 characteristics of effective writing assignments: (1) a description of the purpose of the writing or learning goals of the assignment, (2) a document type (eg, article, grant) used in public health, (3) an identified target audience, (4) incorporation of tasks that support the writing process (eg, revision), (5) a topic related to a public health problem that requires critical thinking (1-5 scale, 5 = most authentic), and (6) clear assignment expectations (1-5 scale, 5 = clearest). Results: We contacted 594 instructors from 58 institutions and received at least some evaluable materials from 59 courses at 28 institutions. Of these, 47 of 53 (89%) courses required some writing. The purpose was adequately described in 11 of 36 assignments, the required document type was appropriate in 19 of 43 assignments, an audience was identified in 6 of 37 assignments, and tasks that supported a writing process were incorporated in 19 of 40 assignments. Median (interquartile range) scores were 5 (1-5) for an authentic problem that required critical thinking and 4 (2-5) for clarity of expectations. Conclusions: The characteristics of writing assignments in public health programs do not reflect best practices in writing instruction and should be improved

The Effects of Elevated Concentrations of Carbon Dioxide and Ozone on Potatoe (Solanum tuberosum L.) Yield

End of Project ReportPotatoes (Solanum tuberosum L. cv. Bintje) were grown in open top chambers at Teagasc, Crops Research Centre, Oak Park, Carlow and exposed to ambient and elevated concentrations of CO2 in combination with ambient and elevated concentrations of O3 in the 1998 and 1999 growing seasons. Exposure to elevated concentrations of O3 caused visual damage to the leaves of the potato plants in both years of the study. In 1999, ozone damage to leaves was significantly reduced in the presence of elevated concentrations of CO2. Stomatal conductance was reduced by elevated CO2 and was reduced further by the elevated O3 treatment under elevated CO2. Exposure to elevated CO2 increased tuber fresh weight yield by 32% in both years of the study. The yield increase was attributable to larger tuber sizes and not to an increase in the number of tubers. Tuber yield was unaffected by elevated O3 at ambient concentrations of CO2 in both years of the study. In 1999, the yield increase induced by elevated CO2 was substantially reduced by the presence of elevated O3

Electrodiagnostic tests are unlikely to change management in those with a known cause of typical distal symmetric polyneuropathy

Peer Reviewedhttps://deepblue.lib.umich.edu/bitstream/2027.42/138297/1/mus25713_am.pdfhttps://deepblue.lib.umich.edu/bitstream/2027.42/138297/2/mus25713.pd

Ames Laboratory Glovebox Cleaning

The removal of pyrophoric materials from inert atmosphere chambers presents the potential for injury or damage to property upon reacting to oxygen or water. In order to minimize the risk of an incident occurring, equipment and/or procedural recommendations need to be developed to create a standard way of disposing of these materials