نتایج جستجو برای: equal and absolute
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BACKGROUND A new CD4 point-of-care instrument, the CyFlow miniPOC, which provides absolute and percentage CD4 T-cells, used for screening and monitoring of HIV-infected patients in resource-limited settings, was introduced recently. We assessed the performance of this novel instrument in a reference laboratory and in a field setting in Senegal. METHODOLOGY A total of 321 blood samples were ob...
In this paper, we consider portfolio selection problem in which security returns are regarded as fuzzy variables rather than random variables. We first introduce a concept of absolute deviation for fuzzy variables and prove some useful properties, which imply that absolute deviation may be used to measure risk well. Then we propose two mean-absolute deviation models by defining risk as abs...
S.-J. Kahng,1 Y. H. Ha,2 J.-Y. Park,1 S. Kim,2 D. W. Moon,3 and Y. Kuk1,* 1Center for Science in Nanometer Scale and Department of Physics, Seoul National University, Seoul, 151-742, Korea 2Department of Chemistry, Korea Advanced Institute of Science and Technology, Taejon, 305-701, Korea 3Surface Analysis Group, Korea Research Institute of Standards and Science, Taejon, 305-606, Korea (Receive...
BACKGROUND Although deviations in intraoperative blood pressure are assumed to be associated with postoperative mortality, critical blood pressure thresholds remain undefined. Therefore, the authors estimated the intraoperative thresholds of systolic blood pressure (SBP), mean blood pressure (MAP), and diastolic blood pressure (DBP) associated with increased risk-adjusted 30-day mortality. ME...
Quasi-equal clock reduction for networks of timed automata replaces equivalence classes of clocks which are equal except for unstable phases, i.e., points in time where these clocks differ on their valuation, by a single representative clock. An existing approach yields significant reductions of the overall verification time but is limited to so-called wellformed networks and local queries, i.e...
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