15 research outputs found
Manhood on the Line: Working-Class Masculinities in the American Heartland
Review of: Manhood on the Line: Working-Class Masculinities in the American Heartland , by Stephen Meyer
Manhood on the Line: Working-Class Masculinities in the American Heartland
Review of: "Manhood on the Line: Working-Class Masculinities in the American Heartland", by Stephen Meyer
Farm and Factory: Workers in the Midwest, 1880–1990. By Daniel Nelson · Bloomington and Indianapolis: Indiana University Press, 1995. ix + 258 pp. Notes, tables, and index. $29.95. ISBN 0-253-32883-7.
Organized Labor, National Politics, and Second-Wave Feminism in the United States, 1965–1975
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Evaluating and optimizing the NERSC workload on knights landing
NERSC has partnered with 20 representative application teams to evaluate performance on the Xeon-Phi Knights Landing architecture and develop an application-optimization strategy for the greater NERSC workload on the recently installed Cori system. In this article, we present early case studies and summarized results from a subset of the 20 applications highlighting the impact of important architecture differences between the Xeon-Phi and traditional Xeon processors. We summarize the status of the applications and describe the greater optimization strategy that has formed
Warming constrains bacterial community responses to nutrient inputs in a southern, but not northern, maritime Antarctic soil
We investigated the effects of increased soil temperature, water and nutrient availability on soil bacterial communities at Wynn Knolls on Signy Island (60 °S) in the northern maritime Antarctic and at Mars Oasis (71 °S) in the southern maritime Antarctic. After 10-12 months, analyses of the concentrations of ester linked fatty acids (ELFAs) in soil indicated that bacterial communities responded positively to single applications of substrates at both locations, with 20% and 49% increases in total Gram positive and Gram negative bacterial markers, respectively, in response to the application of tryptic soy broth (TSB; a complex substrate containing organic carbon and nitrogen, plus other nutrient elements) at Wynn Knolls, and 120% and 44% increases in Gram positive bacterial markers at Mars Oasis in response to the application of TSB and the amino acid glycine (a relatively simple source of organic carbon and nitrogen), respectively. Responses to the warming treatment were not detected at Wynn Knolls, where open top chambers (OTCs) increased mean monthly soil temperatures by up to 0.7 °C, but at Mars Oasis, where OTCs increased monthly soil temperatures by up to 2.4 °C, warming led to 41% and 46% reductions in the concentrations of Gram positive bacterial markers in soil to which glycine and TSB had been applied, respectively. Warming also led to 55% and 51% reductions in the ratio of Gram positive to Gram negative markers in soils at Mars Oasis to which glycine and TSB had been applied. These data suggest that warming may constrain the responses of bacterial communities to carbon and nitrogen inputs arising from dead plant matter entering maritime Antarctic soils in future decades