We describe a method of designing shaped focal plane detectors for achieving a range of objectives in measurement of particles suspended in a fluid. These detectors can be designed to measure the total concentration in a wide size range (e.g. 200:1) or concentration in a size sub-range (e.g. 63<d<500 microm), and Sauter mean or volume mean diameter. The derivation of these shaped focal plane de...

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The World Health Organization (WHO), recognizing the impact of ‘work-related’ musculoskeletal diseases, has characterized WMSD s as multifactorial, indicating that a number of risk factors contribute to and exacerbate these maladies (Sauter et al., 1993). The presence of these risk factors produced increases in the occurrence of these injuries, thus making WMSD s an international health concern...

PSYCHOLOGICAL AND COGNITIVE SCIENCES Correction for “Cross-cultural recognition of basic emotions through nonverbal emotional vocalizations,” by Disa A. Sauter, Frank Eisner, Paul Ekman, and Sophie K. Scott, which appeared in issue 6, February 9, 2010, of Proc Natl Acad Sci USA (107:2408– 2412; first published January 25, 2010; 10.1073/pnas.0908239106). The authors would like to note: “The Desi...

This paper examines the effect of the water sprays commonly used to cool freshly drawn glass fibers. A model has been developed using a Karman-Pohlhausen treatment of the velocity and thermal boundary layers and accounting for the evaporation of an entrained water spray. Solutions of the model equations have been calculated, and the effect of changing various process parameters is studied. Vari...

EnglishOver the past ten years or so, a growing number of schemes and courses have been introduced in higher education to raise awareness train students “spirit entrepreneurship.” Through an analysis pedagogical practices conceptions conveyed by this project for socialization youth, article proposes shed light on certain upheavals at work educational field. In particular, it examines challenges...