Abstract Tightening noose on engine emission norms compelled manufacturers globally to design engines with low specially NO x and soot without compromising their performance. Amongst various parameters, shape of piston bowls, injection pressure nozzle diameter are known have significant influence over the thermal performance emanating from engine. This paper investigates combined effect fuel pa...

The ceramic bowls production of the Brazilian Kadiweu culture (Rio Nabileque, Mato Grosso do Sul), currently belonging to Museo delle Civiltà (MUCIV) – Nazionale Preistorico ed Etnografico “Luigi Pigorini” in Rome, were studied for first time by a multi-analytical investigation at Istituto Centrale per il Restauro (ICR, Rome). Optical microscopy on thin section (OM) and X-ray Powder Diffraction...

The technology of glass production is thought to have been known since ~2500 BC (1-3) and had become fairly advanced within the Roman Empire (4). At that time glass was widely used for blown vessels, pitchers, beakers, bowls, and other tableware, with such glass objects becoming as widespread as pottery (1-3,5). The use of glass for laboratory apparatus, however, was rather limited because of a...