نتایج جستجو برای: gasoline refining
تعداد نتایج: 17635 فیلتر نتایج به سال:
Problem statement: We have recently introduced several important improvements in the measurement of distillation curves for complex fluids. The modifications include a compositionexplicit data channel for each distillate fraction and temperature measurements that are true thermodynamic state points that can be modeled with an equation of state. The composition-explicit information is achieved w...
This paper presents a simple, rapid, reliable, and validated method suited for forensic examination of gasoline in biological samples. The proposed methodology has been applied to the investigation of four fatal cases due to gasoline poisoning that occurred in Spain in 2003 and 2004. Case histories and pathological and toxicological findings are described in order to illustrate the danger of ga...
Gasoline accounts for about half the U.S. consumption of petroleum products, and its price is the most visible among these products. As such, changes in gasoline prices are always under public scrutiny. Many claim to observe an asymmetric relationship between gasoline and oil prices—specifically that gasoline prices respond more quickly when oil prices are rising than when oil prices are fallin...
The effects of unleaded gasoline and unleaded gasoline–ethanol blends on engine performance and pollutant emissions were investigated experimentally in a single cylinder, four-stroke spark-ignition engine with variable engine speeds (2600–3500 rpm). Four different blends on a volume basis were applied. These are E0 (0% ethanol + 100% unleaded gasoline), E3 (3% ethanol + 97% unleaded gasoline), ...
The evaluation of the impact of an increase in gasoline tax on demand relies crucially on the estimate of the price elasticity. This paper presents an extended application of the Partially Linear Additive Model (PLAM) to the analysis of gasoline demand using a panel of US households, focusing mainly on the estimation of the price elasticity. Methodologically, we propose a root-n consistent esti...
Gasoline accounts for about half the U.S. consumption of petroleum products, and its price is the most visible among these products. As such, changes in gasoline prices are always under public scrutiny. Many claim to observe an asymmetric relationship between gasoline and oil prices—specifically that gasoline prices respond more quickly when oil prices are rising than when oil prices are fallin...
The Mishrif reservoir (Cenomanian - Turonian) in the Z, H, B and N oilfields southern Iraq was investigated to clarify how nickel, vanadium, asphaltene, NSO sulfur content affect crude oil quality. GC-Mass ICP-MS analyses were used provide fruitful hydrocarbon results. Classification of based on API gravity broadly indicates oil's density general properties. Typically, lighter oils are easier r...
Gasoline prices have significant effects on traffic safety. However, existing literature has failed to adequately investigate the effects: the literature has examined only fatal incidents rather than total traffic incidents. This study analyzes the effects of gasoline prices on total traffic incidents and on the incidents by age and gender. The results suggest that gasoline prices have negative...
In this paper, the use of gasoline combinations with ethanol and nano oxide particles has been studied in gasoline-based SI EF7 engines. The mixtures are prepared in five emulsions of gasoline with 10% ethanol, gasoline with 10% ethanol and 10ppm nano Mn2O3, gasoline with 10% ethanol and 20ppm nano Mn2O3, gasoline with 10% ethanol and 10ppm nano Co<s...
In the U.S., the regulatory approach to automobile fuel choices has consisted almost exclusively of mandated changes in autos and fuel availability. This contrasts with Europe, where di®erential taxes and fees have been used to encourage the use of unleaded gasoline and diesel fuel. I use data for 48 states from 1980 to 1989 to estimate the e®ect of price di®erences between leaded and unleaded ...
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