The situation of greenhouse gas emissions with the effect of severe decline in oil reserves
and the increase in energy demand are among the alarming periods to be faced. For this …

Nano cerium oxide, a combustion-improving fuel additive, was investigated for its impact on
biodiesel oxidative stability. The findings of the present study revealed for the first time that …

Due to the depletion of fossil fuel reserves, the significant pollution produced during their
combustion and the increasing costs, biodiesel sources have gained recognition as an …

Biofuel is a renewable, non-toxic and ecofriendly alternative fuel becoming promising for
compression ignition (CI) engines. After reviewing various biofuels used in the CI engines, it …

The issue of environmental pollution from diesel engines is a cause of major concern, even
though diesel engines provide high thermal efficiency. This problem can be reduced to an …

In recent years, many researches have been performed to find suitable alternative fuels to
petroleum products. In the present investigation, an experimental work has been carried out …

Cílem této práce je analýza možností zabezpečení VoIP (Voice Over IP) a následná
praktická zkouška bezpečnosti a nastavení softwarové ústředny v závislosti na typu útoku …