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A method for range-resolved gas sensing using path-integrated optical systems is presented. The method involves dividing an absorption path into several measurement segments and extracting the gas concentration in each segment from two path-integrated measurements. We implemented the method with tunable lasers (a 1389-nm VCSEL and a 10.9-μm pulsed quantum cascade laser) and a group of retro reflectors...
The aim of this study was to test a model based on the assumption that a social comparison-process of body mass index could lead to weight and eating concerns by lowering self-evaluation. Three hundred and ninety-five girls from five age cohorts (in grades five through nine at the time of data collection) participated in a questionnaire-based study. Support for a model where global negative self-evaluations...
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