Fuels with low octane number: water injection as knock control method.

The present paper deals with the study of water effect on the combustion of fuels with low Octane Number in Internal Combustion Engines. In particular, this study was carried out using a variable volumetric compression ratio CFR fuel engine. ASTM Standards for Motor and Research methods were followed to determine fuels and fuel-water mixture Octane Number.

[Registry of genetic and malformative diseases in the province of Macerata].

Objectives: The aim of this epidemiological research is to evaluate the prevalence of genetic diseases and malformative syndromes in paediatric population living in the Macerata county.

Material And Methods: All the data were collected through a careful analysis of a specific questionnaire sent to all the family paediatricians.

Results: 23,379 children living in Macerata county, aged 0 to 9 years, were evaluated (93.

Effects of isolation on interferon production and hematological and immunological parameters.

A 27-year-old woman was maintained in an isolated state for 131 days in Carlsbad Caverns, New Mexico. Her diet was vitamin D-depleted. Determinations on the effects of such isolation on levels and activities of peripheral blood cells that are important for hematological homeostasis and immunological function were carried out.