The term Riga-Fede disease has been used to describe chronic traumatic ulceration that occurs on the ventral surface of the tongue by natal and neonatal teeth in infants. It is important to diagnose the lesion and treat it by eliminating the source of trauma. In this case report, the neonatal tooth was extracted and after 2 weeks the lesion was resolved and the baby was feeding well.In addition...

The research focus of the scientific paper is on the problem of equity portfolio construction. The author recommends applying frontier analysis technique such as Data Envelopment Analysis to the performance measurement of emitters. Using modern computer technologies, the author has calculated efficiency score of twenty Baltic companies which are quoted at NASDAQ OMX Riga and NASDAQ OMX Tallinn ...

The paper focuses on the investigation of sigillographic sources — pendant wax seals, that belonged to representatives Livonian Bishops and Archbishops Riga. For investigation, more than 700 seals from Latvian State Historical Archive’s Fund No. 8 “Archives Internal Magistrate Riga” were analyzed. Archbishopric Riga, Bishoprics. Analysis clergy reveal several stages can be distinguished in thei...

In 2010–2012, the hydrogeological model (HM) of Latvia LAMO was established by scientists of Riga Technical University (RTU). The commercial program Groundwater Vistas (GV) is used for running LAMO. Efficient methods have been used for creating geometry of HM, the arrangement of various boundary conditions (digital terrain map, hydrographical network, infiltration flow, conditions on the HM she...

On 11 November 1999, a self-exciting magnetic eigenfield was detected for the first time in the Riga liquid sodium dynamo experiment. We report on the long history leading to this event, and on the subsequent experimental campaigns which provided a wealth of data on the kinematic and the saturated regime of this dynamo. The present state of the theoretical understanding of both regimes is delin...

H.-H. Hinrichsen1, B. von Dewitz1, J. Dierking1, H. Haslob2, A. Makarchouk3, C. Petereit1 and R. Voss4 1GEOMAR – Helmholtz Centre for Ocean Research, Düsternbrooker Weg 20, 24105 Kiel, Germany 2Thünen-Institute of Sea Fisheries, Palmaille 9, 22767 Hamburg, Germany 3Fishery Resources Research Department, Institute of Food Safety, Animal Health and Environment ‘BIOR’, Daugavgrivas 8, Riga 1048, L...