We study the anomalous flux ratio which is observed in some four-image lens systems, where the source lies close to a fold caustic. In this case two of the images are close to the critical curve and their flux ratio should be equal to unity, instead in several cases the observed value differs significantly. The most plausible solution is to invoke the presence of substructures, as for instance ...

The study examined the impact of high school English teachers’ awareness of pedagogical competence on student learning. A psychometric measurement instrument of English language teachers' pedagogical competence (ELTPC) was first developed through factor analysis with 320 high school teachers in Guilan, Northern Iran. Based on the developed instrument, 36 teachers were divided into two groups of...

From the Department of Emergency Medicine, Stony Brook University, Stony Brook, NY (A.J.S.); the Departments of Emergency Medicine and Medicine, Division of Infectious Diseases, Olive View– UCLA Medical Center, Sylmar, CA (D.A.T.); and the David Geffen School of Medicine at UCLA, Los Angeles (D.A.T.). Address reprint requests to Dr. Singer at the Department of Emergency Medicine, Stony Brook Un...

this study examines development of social competence, and behavior problems in kindergarten children during a specific period of childhood.a sample of 499 kindergarten children (244 girls and 255 boys) with the age range of 2 years up to 5 years and 6 months was selected using the random stratified sampling method. to collect data, california preschool social competence scale and social skills ...

Abstract Background and Objectives: Study of clinical competence in nursing helps determine the quality of health care delivered to patients. Given the priority of observance of principles over caretaking and necessity of spirituality existence at the core of health care provision, this study was conducted to investigate clinical competence and its relationship with professional ethics and s...

Air is very important for the survival of living things, air quality will affect state human health. At present only monitored by KLH (Ministry Environment) Riau Province, with monitoring points 1-3 per city / regency in Riau. The frequent occurrence forest fires Riau, causing to deteriorate rapidly so it requires a tool that can monitor and improve maintain Therefore, authors conducted researc...

OF SRTM-based morphotectonic analysis of the Poc-os de Caldas Alkaline Massif, southeastern Brazil Carlos Henrique Grohmann , Claudio Riccomini, Fernando Machado Alves Programa de Pós-Graduacão em Geoquı́mica e Geotectônica, Instituto de Geociências, Universidade de São Paulo, Rua do Lago, 562, 05508080 SP, Brazil Departamento de Geologia Sedimentar e Ambiental, Instituto de Geociências, Univers...