The purpose of the present work is to show that light straight-run gasoline fraction can be used as feedstock for hydro-catalytic isomerization process, and isomerized product serve a component obtaining pure ecological commercial brand Euro-4 Euro-5. Transformation n-alkanes Zhanazhol oil’s with boiling temperature 180°C was studied. Isomerization carried out in flow unit stationary layer modi...

Oxidative desulfurization of model oil and heavy fuel (HFO) was investigated under mild conditions using H2O2 as an oxidant acetonitrile extractant. The influence factors in the oxidation extraction processes were evaluated optimized. molecular characteristics raw feedstock desulfurized oils, corresponding phases systematically analyzed by APPI FT-ICR MS, 1H NMR, etc. results showed that rate d...

This article reports and discusses the results of impulse breakdown study different insulating liquids under highly divergent electric field conditions. Samples a natural ester (Envirotemp FR3), synthetic (MIDEL 7131), naphthenic mineral oil (Shell Diala S4 ZX) at levels relative humidity were exposed to HV impulses with nominal 7- $\mu \text{s}$ rise time 150-kV peak voltage both positive nega...

background and objectives: betulinic acid (ba), oleanolic acid (oa) and ursolic acid (ua) are well-known pentacyclic triterpenoids (pts), which are produced by plants. they possess a variety of beneficial effects including anti-inflammatory, hepatoprotective, antitumor, anti-hiv, antimicrobial, gastroprotective, and antihyperlipidemic activities. in the present study, quantitative determination...