نتایج جستجو برای: saturated hydrocarbon

تعداد نتایج: 54159  

Journal: Pollution 2018

Petroleum hydrocarbon contamination is a major global prevalent issue in the petroleum sector. This research focuses on evaluating biodegradation of three Gram-negative bacilli, isolated from cowpea planted soil, contaminated with kerosene. The Gram negative bacilli strains have been characterized and identified, using MicrobactTM ID24E systems for the identification of Enterobacteriaceae and c...

1999
Arthur G. Suits

ion reactions of hydrogen atoms from hydrocarbons are of great importance in combustion and atmospheric chemistry. This is reÑected in numerous publications where the kinetics of these processes have been probed in detail. While rate information provides some insight into the mechanisms of these reactions, it is the dynamics that provides a deeper understanding. For example, free radical abstra...

Drilling operations of petroleum generate oily wastes. The disposal of a significant amount of oil-based drill muds has caused soil contamination and critical environmental impacts in the last decades.The current study aimed to investigate the potential of microbial remediation for an aged oil-based drilling waste and to monitor the fluctuation in microbial population throughout a ...

Journal: :Evolution; international journal of organic evolution 2009
William J Etges Cassia Cardoso de Oliveira Michael G Ritchie Mohamed A F Noor

We performed a quantitative trait locus (QTL) analysis of epicuticular hydrocarbon variation in 1650 F(2) males from crosses of Baja California and mainland Mexico populations of Drosophila mojavensis cultured on two major host cacti. Principal component (PC) analysis revealed five PCs that accounted for 82% of the total epicuticular hydrocarbon variation. Courtship trials with mainland females...

Journal: :محیط زیست طبیعی 0
مژگان میرزایی کارشناس ارشد مهندسی محیط‏زیست دانشگاه علوم کشاورزی و منابع طبیعی گرگان محمد رضا معتضدی کارشناس ارشد مهندسی نفت (گرایش حفاری و بهره برداری)، دانشگاه آزاد اسلامی، واحد امیدیه آمنه نیکبختی کارشناس ارشد مهندسی محیط‏زیست دانشگاه علوم کشاورزی و منابع طبیعی گرگان

due to the location of a domestic, industrial and agricultural zone near the caspian sea, this water body has long been under pressure and environmental threat. as a result of development of oil production activities in caspian region, such as oil exploration and extraction, a large volume of oil related pollutants is released annually into this important water body. considering the fact that h...

Journal: :Singapore medical journal 2009
O O Horoz D Yildizdas H L Yilmaz

Hydrocarbon aspiration causes acute lung injury, which may lead to acute respiratory distress syndrome. Surfactant has been shown to be beneficial in experimentally-induced hydrocarbon-associated acute respiratory distress syndrome. However, there has not been a clinical study evaluating the effect of surfactant application on hydrocarbon aspiration in humans. We report a 17-month-old boy with ...

2016
AMECHI S. NWANKWEGU

Sawdust evaluation in bioremediation of PMS hydrocarbon polluted agricultural soil was carried out. The effect of different parameters; total petroleum hydrocarbon, dehydrogenase activity, optical density and pH on bioremediation performance were evaluated. Studied parameters such as microbial dynamics and hydrocarbon removal were found to be higher in sawdust amended system and differed signif...

2015
Wen-rui Shi Chong Zhang Yu-long Chen

The drilling time data of gas logging are used to calculate drilling time ratio of the reservoir, and the total hydrocarbon data are used to calculate hydrocarbon contrast coefficient and to establish the drilling time ratio--hydrocarbon contrast coefficient crossplot. The standards of distinguishing the boundaries of hydrocarbon zones, hydrocarbonaceous water layers and dry layers are determin...

2013
Adeel Ansari Abas B Md Said Seema Ansari Muhammad Rauf

In this paper, simulations are performed to reaffirm the relationship between the resistivity and the thickness of the Hydrocarbon reservoir by considering double layers of Hydrocarbon in seabed logging application. In order to establish this correlation, various simulation models are carried out using Computer Simulation Technology (CST) tool and the results obtained from each simulation is pl...

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