نتایج جستجو برای: oil contamination

تعداد نتایج: 190105  

2014
Jesse C. Thomas Denis Wafula Ashvini Chauhan Stefan J. Green Richard Gragg Charles Jagoe

The deepwater horizon (DWH) accident led to the release of an estimated 794,936,474 L of crude oil into the northern Gulf of Mexico over an 85 day period in 2010, resulting in the contamination of the Gulf of Mexico waters, sediments, permeable beach sands, coastal wetlands, and marine life. This study examines the potential response of the Eastern oyster's microbiome to hydrocarbon contaminati...

Journal: :IOP conference series 2022

Abstract This study aimed to determine the influence of storage on structural damage vegetable-tanned goat skin by microbes. The time was divided into three treatments, namely treatment P0 (0 months, storage), P1 (6 and P2 (12 storage). observation parameters for investigation included microbe contamination, pH levels, levels oil/fat. conducted with Analysis Variance Completely Randomized Desig...

Journal: :environmental studies of persian gulf 2014
fatemeh valizadeh-kakhki mohammad pauzi zakaria mehdi mohammadi elaheh valizadeh-kakhki

persian gulf and its coastal areas are the world's largest source of crude oil and related industries govern the region. one of the contaminants in this area is heavy metals associated with oil spill. more importantly, vanadium, nickel and zinc can be named in this regard. in this study, the contamination of northern coasts of persian gulf is selected to investigate for trace metals of v, ni, c...

Journal: :thrita 0
mohammad mahdi zamani students' scientific research center, tehran university of medical sciences, tehran, ir iran; department of anesthesiology and critical care, tehran university of medical sciences, tehran, ir iran malihe fallahpour environment faculty, tehran university of medical sciences, tehran, ir iran golnaz yousefi harvani students' scientific research center, tehran university of medical sciences, tehran, ir iran samaneh khodi aghmiuni students' scientific research center, tehran university of medical sciences, tehran, ir iran mahsa zamani department of management, payame noor university, karaj, ir iran dariush minai tehrani faculty of biological sciences, shahid beheshti university of medical sciences, tehran, ir iran

results the soil was largely composed of silt and clay (silt:41 - 42%, clay: 40 - 43%, sand: 15 - 18%). the average moisture content of the saturated soil was 12.96%,; average electricity conductivity was 18.64 dsm-1; average ph of the paste was 8.36; and average percentage of organic carbon was 0.19%. result of the laboratory analysis reported the average content of total nitrogen as 0.026%, p...

2013

Growth and biochemical performance of Manihot esculenta Crantz (TMS 0505) amended with Centrosema pubescens and NPK fertilizer were carried out. Contamination levels of 2%, 4%, and 6% were used while amelioration treatments C. pubescens and NPK 15:15:15 were carried out by adding organic supplement (decomposed Centrosema pubescens) and NPK at the rate of 0.25Kg per 5Kg of soil to the various le...

2016
Mariosimone Zoccali Giorgia Purcaro Luigi Mondello

Nowadays, food contamination by mineral oil (MO) is a very important issue and its presence in edible oils is widely documented. Mineral oils are hydrocarbons mixture of petrochemical origin containing mainly two families of compounds, namely mineral oil saturated hydrocarbons (MOSH) and mineral oil aromatic hydrocarbons (MOAH). The most used approach for mineral oil analysis is liquid chromato...

Journal: :Nanoscale 2015
Wenfei Zhang Xin Lu Zhong Xin Changlu Zhou

Two important properties-the low surface free energy of polybenzoxazine (PBZ) and the photocatalysis-induced self-cleaning property of titanium dioxide (TiO2) nanoparticles-are combined to develop a promising approach for oil/water separation. They are integrated into a multifunctional superhydrophobic and superoleophilic material, PBZ/TiO2 modified polyester non-woven fabrics (PBZT), through a...

Journal: :geopersia 2015
sayed alireza nasehi ali uromeihy ali morsali mohammad reza nikudel

in recent years, the nanoscale zero-valent iron (nzvi) particles have been used successfully for the degradation of hydrocarboncompounds and remediation of other pollutants. nevertheless, as far as we know, there is no specific study on the improvement of thegeotechnical properties of contaminated soils with hydrocarbon compounds by nzvi. this study used nzvi particles to remove gasoil in a cla...

Journal: :Pest management science 2016
Haroldo Xl Volpe Murilo Fazolin Rafael B Garcia Rodrigo F Magnani José Carlos Barbosa Marcelo P Miranda

BACKGROUND Insecticide application is the main way to control Diaphorina citri. However, it causes environmental contamination, has a negative impact on beneficial organisms and leads to psyllid resistance. The essential oil of Piper aduncum has low toxicity towards the environment and contains dillapiol, which has proven to be effective against several crop pests. Here, we studied its efficacy...

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