نتایج جستجو برای: crude oil

تعداد نتایج: 168560  

Journal: :Journal of the Fuel Society of Japan 1970

Journal: :thrita 0
fereshteh ghazisaeedi students’ scientific research center, tehran university of medical sciences, tehran, ir iran mohammad mahdi zamani students’ scientific research center, tehran university of medical sciences, tehran, ir iran; department of pharmacology, school of medicine, tehran university of medical sciences, tehran, ir iran sajjad ghadbeigi department of medicinal chemistry, school of pharmacy, tehran university of medical science, tehran, ir iran seyedeh hamideh mortazavi students’ scientific research center, tehran university of medical sciences, tehran, ir iran malihe fallahpour evironmentfaculty, university of tehran, tehran, ir iran hamed ghazisaidi department of chemical and material engineering, university of alberta, edmonton, alberta, canada

conclusions concerning the ability of salicorniaeuropea to survive in the contaminated areas, it might be suitable that endemic types of this plant would be cultivated in contaminated coast lines. results the highest uptake was at eight mg crude oil, per one g of soil and the least uptake was at 13.75 mg crude oil, per one g of soil. it seems that physical characteristics of crude oil are the m...

2016
Nara O Dos Santos Renata C Pascon Marcelo A Vallim Carlos R Figueiredo Marisi G Soares João Henrique G Lago Patricia Sartorelli

Backgroud:Lippia alba (Verbenaceae) is a plant widely used in folk medicine to treat various diseases. The present work deals with the chemical composition of the crude essential oil extracted from leaves of L. alba and evaluation of its antimicrobial and cytotoxic activities. Methods: Leaves of L. alba were extracted by hydrodistillation and analyzed by gas chromatography/mass spectrometry (GC...

2016
Armin Jabbarzadeh Mir Saman Pishvaee Ali Papi

The major oil industry upstream activities include the exploration, drilling, extraction, pipelines installation, and production of crude oil. In this paper, we develop a mathematical model to plan for these operations as a crude oil supply chain network design problem. The proposed multi-period mixed integer linear programming model entails both strategic (e.g., facility location and allocatio...

2012
Pan Yi

––Based on technology and economy, a design of explosion-proof heater of bunched pipeline is mentioned in this paper to solute the problems of the present heater which is used to heat crude oil in winter. The structure and working principle of this new heater are introduced. And the function of the new heater’s swirl plate is described, before the heater power of the new heater is analyzed. The...

2015
Takashi Kanamura

This paper proposes a convenience yield-based pricing for commodity futures, which embeds incompleteness of commodity futures markets in convenience yields. By using the pricing method, we conduct empirical analyses of the prices of WTI crude oil, heating oil, and natural gas futures traded on the NYMEX in order to assess the incompleteness of energy futures markets. We show that the fluctuatio...

2015
Ahmed El Hussein

The use of laser induced fluorescence (LIF) spectroscopy to characterize crude oil has privileges compared to conventional techniques in terms of reducing the size of sample, rapidity of measurements, high sensitivity and simplicity of sample handling and possibility of in situ measurements. The fluorescence radiation emitted from crude oil is the result of the interaction between the aromatic ...

Journal: :محیط شناسی 0
علی ابوالحسنی سورکی کارشناس ارشد میکروبیولوژی، مربی، پژوهشکده علوم پایه کاربردی جهاد دانشگاهی، دانشگاه شهید بهشتی تهران غلامحسین ابراهیمی پور دکتری میکروبیولوژی، استادیار دانشکدة علوم زیستی، دانشگاه شهید بهشتی تهران

the effects of nitrogen (n) and phosphate (p) concentrations and temperature on crude oil biodegradation by two bacterial strains pg01 and pg02, previously isolated from persian gulf, were assessed. in order to determine the optimum concentration of n and p sources and temperature for oil consumption by the isolates, bacteria were cultured in 100 ml agitating culture flasks containing mineral s...

Journal: :Journal of basic microbiology 2002
Kaja Sheik Mujibur Rahman Thahira Rahman Perumalsamy Lakshmanaperumalsamy Ibrahim M Banat

Microbial enumeration and identification were carried out on several oil contaminated soil samples collected from gasoline and diesel stations. Bacteria were the most dominant microbiota and were therefore classified to generic level. Eleven main genera were detected and Corynebacterium was the predominant genus in all the samples. Biochemical characterisation and substrate utilisation showed h...

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