The Bulgarian Geomagnetic Reference Field (BulGRF) for 2015.0 epoch and its secular variation model prediction up to 2020.0 is produced and presented in this paper.The main field model is based on the well-known polynomial approximation in latitude and longitude of the geomagnetic field elements.The challenge in our modelling strategy was to update
Two populations of the wasp Trypoxylon rogenhoferi Kohl, 1884 from São Carlos and Luís Antônio, State of São Paulo, Brazil, were observed and sampled from May 1999 to February 2001 using trap-nests.This mass-provisioning wasp was used to test some aspects of optimal sex allocation theory.Both populations fit all the predictions of the models of
Abstract Background Prostatic artery embolization (PAE) is a minimally invasive technique for the management of symptomatic benign prostatic hyperplasia (BPH) relieving the lower urinary tract symptoms in patients.Various embolic agents have been tested in animal models and subsequently used in human patients.The purpose of this study was to evalua
Imane Cherkaoui Dekkaki,1 Said Ettair,1 Toufik Meskini,1 Nabil Khalloufi,2 Nezha Mouane,1 Amina Barkat21Unité de Pédagogie et de Recherche en Nutrition, 2CRECET, Université Mohammed V, Faculté de Médecine et de Pharmacie de Rabat, Souissi, Rabat, MoroccoObjectives: The aim of this study was to assess the prevalenc
Demand for ethnic foods by the immigrant population has led to proliferation of ethnic food shops (shops selling foods eaten by different ethnic groups).However, the status of the food hygiene practices among these vendors is unknown.This study investigated food hygiene practices among informal ethnic food vendors in Gauteng Province (GP), South Af