in 2008, the organisation of gas exporting countries (ogec) was formally established with 11 members in doha, qatar. while having economic and business nature, the organisation is seen as the gas opec, having the potential for changing the geo-strategic and geopolitical structure of the world. therefore, it is regarded as a threat by europe and the us to the security of their energy supply. isl...

OJ Universitat Mannheim Fakultat fiir Mathematik und Informatik . D-6800 Mannheim West-Germany OOJ Universitat Karlsruhe (TH) Institut fiiI' Angewandte Informatik und Formale Beschreibungsverfahren D-7500 Karlsruhe West-Germany This paper surveys the main features of INCOME, which is an approach for conceptual modelling of information systems. INCOME supports the specification and prototyping o...

*Correspondence: [email protected] Department of Mathematics, Azarbaijan Shahid Madani University, Tabriz, Iran Full list of author information is available at the end of the article Abstract By making a special product Banach space and using the famous result of Covitz and Nadler on fixed point of multifunctions we investigate the existence of a solution for a system of fractional finite ...

BACKGROUND Fasciolosis in livestock is a crucial concern in the globe, mainly due to its impact on human health. The aim of this study was to determine the rate of infection with Fasciola gigantica (Cobbold, 1855) larvae in the field-collected snails of Lymnaea auricularia (Linnaeus, 1785) from northwestern Iran using a molecular approach. METHODS A total of 6,759 pond snails were collected f...

Hearing loss (HL) is the most frequent sensory defect affecting 1 in 1000 neonates. This can occur due to genetic or environmental causes or both. The genetic causes are very heterogenous and over 100 loci have been identified to cause autosomal recessive non - syndromic hearing loss (ARNSHL). The aim of this study was to determine the contribution of the LRTOMT gene mutations in causing ARNSHL...