Aromatic Hydrocarbons
Polycyclic Aromatic Hydrocarbons, PAHs Contamination Levels in Nigerian Staple Grains
... polycyclic aromatic hydrocarbons, HMW-PAHs in roasted corn (probable human carcinogen with exception of chrysene) with total concentration ranging from ...
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The (a, b)-KA Indices of Polycyclic Aromatic Hydrocarbons and Benzenoid Systems
... Abstract: A chemical graph is a graph such that vertices correspond to the atoms and the edges to the bonds. The graph indices are applied to measure the chemical characteristics of compounds in Chemical Graph Theory. In ...
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Effect of temperature on the distribution of polycyclic aromatic hydrocarbons in soil and sediment
... Abstract: The knowledge of sorption-desorption processes of polycyclic aromatic hydrocarbons (PAHs) in natural solids is essential to predict the fate, transport, and environmental risks of these ...
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POLYCYCLIC AROMATIC HYDROCARBONS Thin Layer (Planar) Chroma pdf
... Polycyclic aromatic hydrocarbons (PAH) originate from organic materials (i.e. oil, gasoline, tobacco, garbage, etc.) due to pyrolysis or incomplete combus- tion. Several hundred different PAH are known, and ...
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Computation on the fourth Zagreb index of Polycyclic Aromatic Hydrocarbons (PAHk)
... Polycyclic aromatic hydrocarbons (PAHk) are a group of more than 100 different chemicals that are released from burning oil, trash, gasoline, wood or other organic substance such as charcoal broiled ...
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The Sadhana polynomial and the Sadhana index of polycyclic aromatic hydrocarbons PAHK
... In this present study, we compute the Sadhana polynomial and its index of an family of hydrocarbon molecular graph that we named: Polycyclic Aromatic Hydrocarbons PAHk ∀k≥1.. RESULTS AND[r] ...
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Prenatal Exposure to Polycyclic Aromatic Hydrocarbons and Birth Weight in China
... polycyclic aromatic hydrocarbons (PAHs) in Chinese pregnant women and their newborns, and to examine the association between levels of PAHs and infant birth ...
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Rhizodegradation of polycyclic aromatic hydrocarbons (pahs) by Bacillus cereus CPOU13
... The extensive use of fossil fuel based products in our modern production of chemicals has resulted contamination of soils with polycyclic aromatic hydrocarbons that have carcinogenic and mutagenic ...
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Degradation of polycyclic aromatic hydrocarbons in contaminated soil by immobilized laccase
... (Received 4 October 2017, revised 15 January, accepted 22 January 2018) Abstract: The biodegradation of polycyclic aromatic hydrocarbons (PAHs) in soils by laccase is reported. However, the low laccase ...
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On Reduced Zagreb Indices of Polycyclic Aromatic Hydrocarbons and Benzenoid Systems
... Abstract. In this paper, we introduce the reduced modified first Zagreb index, reduced inverse degree index, reduced zeroth-order Randi ć index, reduced F-index and generalized reduced first Zagreb index of a graph. Also ...
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Analytical Techniques for Identification and Quantification of Polycyclic Aromatic Hydrocarbons
... polycyclic aromatic hydrocarbons in leafy and underground vegetables: a case study around Panipat city, Haryana, ...polycyclic aromatic hydrocarbons in fruits and vegetables using high ...
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POLYCYCLIC AROMATIC HYDROCARBONS Solid Phase Extraction pdf
... Polycyclic aromatic hydrocarbons (PAHs) are usually de R ned as a group of chemicals with two or more fused benzenoid rings. If elements other than carbon and hydrogen are present, the term polycyclic aro- ...
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Assessment of the Moroccan Mediterranean Coasts Contamination by Hydrocarbons (Non Aromatic Hydrocarbons, Aromatic Hydrocarbons and Linear Alkylbenzenes)
... studied hydrocarbons and linear alkylbenzenes in bivalve tissues (cockles) collected seasonally from sev- eral points along the western Moroccan coasts in the Mediterranean ...non aromatic and ...
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Microbial degradation of petrochemical waste-polycyclic aromatic hydrocarbons
... Background: Petrochemical industry is one of the fastest growing industries. This industry has immense importance in the growth of economy and manufacture of large varieties of chemicals. The petrochemical industry is a ...
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Contamination by Polycyclic Aromatic Hydrocarbons in Some Egyptian Mediterranean Coasts
... Oil pollution problems have become the focus of increasing regulatory, public and research concern because of its adverse negative impacts on human health and the environment (El-Tokhi and Moustafa, 2001). The group of ...
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Experimental study of ion-molecule reactions of aromatic hydrocarbons
... polycyclic aromatic hydrocarbons is observed, rather then their expected and sought after destruc- tion [53, ...of aromatic compounds can be more suited to describe the chemistry of PAH ...
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Biomarkers and Ultra Structural Evaluation of Marine Pollution by Polycyclic Aromatic Hydrocarbons
... Polycyclic aromatic hydrocarbons (PAHs) are a class of organic compounds consisting of two or more fused aromatic ...Polycyclic aromatic hydrocarbons (PAHs) can accumulate in the ...
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Variability of polycyclic aromatic hydrocarbons and their oxidative derivatives in wintertime Beijing, China
... Elzein et al.: Variability of polycyclic aromatic hydrocarbons in Beijing sampling period of this study November–December 2016, PM2.5 was measured every hour and ranged from 3.8 to 438 µ[r] ...
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New Method for Producing Graphene by Magnetron Discharge in an Atmosphere of Aromatic Hydrocarbons
... The pressure was 5 × 10 −3 Torr in the presence of aromatic hydrocarbons in the chamber, the pressure in the chamber installed 6 × 10 −2 . Torr after the launch of the argon, the sputtering material was ...
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Identification of Polycyclic Aromatic Hydrocarbons Emissions from Wood of Aromatic Plants (Dokhan Incense) Used in Sudan
... polycyclic aromatic hydrocarbons (PAHs) listed by US Environmental Protection Agency (EPA) priority pollutant was carried out in the smoke of six wood sample used in Dokhan incense collected from local ...
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