sources distribution and toxicity of polycyclic aromatic hydrocarbons pahs in particulate matter
Effect of Surfactant on Degradation of Polycyclic Aromatic Hydrocarbons (pahs) in Thermophilic Anaerobic Co-Digestion of Sludge from Kim-Ngưu River and Organic Waste
... concentration PAHs removal (%) 310oC at 2oC/min with holding Detector conditions were heater 300oC, H2 flow 36 ml/min, air flow 350 ml/min, and make up flow 30 ml/min 100 2-3 rings rings rings rings Ʃ PAHs ... Biodegradation aspects of Polycyclic Aromatic Hydrocarbons (PAHs) : A review, Journal of Hazardous Materials 169 (2009) 1-15 Bach Quang Dung, Enhancement of intrinsic bioremendiation of PAHs- contaminated anoxic ... ring PAH compounds 2-3 rings rings rings Ʃ PAHs PAHs Fig Final PAHs removal yields after different thermophilic anaerobic treatments in relation to the number of aromatic rings Conclusions The study...
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Effect of Surfactant on Degradation of Polycyclic Aromatic Hydrocarbons (pahs) in Thermophilic Anaerobic Co-Digestion of Sludge from Kim-Ngưu River and Organic Waste
... concentration PAHs removal (%) 310oC at 2oC/min with holding Detector conditions were heater 300oC, H2 flow 36 ml/min, air flow 350 ml/min, and make up flow 30 ml/min 100 2-3 rings rings rings rings Ʃ PAHs ... Biodegradation aspects of Polycyclic Aromatic Hydrocarbons (PAHs) : A review, Journal of Hazardous Materials 169 (2009) 1-15 Bach Quang Dung, Enhancement of intrinsic bioremendiation of PAHs- contaminated anoxic ... efficiency of 2-3 rings, rings, rings, rings and total PAHs compounds in the case of (Sludge + Organic waste) were 65.34%, 47.93%, 35.43%, 21.35% and 22.83% respectively The degradability of 2-3 rings...
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determination of polycyclic aromatic hydrocarbon pahs and aliphatic hydrocarbons in oysters by gc msms
... Chrysene-d12) in toluene and 200 µg/mL Benzo[a]pyrene-d12 in cyclohexane 6.3 Working standard solution mixture of 16 PAHs in toluene (100 ng/mL) 6.4 Working internal standard mixture of IS PAHs in toluene ... careful interpretation to collect convincing evidence of aliphatic hydrocarbon contamination of oysters originating from an actual crude oil sample from Gulf of Mexico and consequent PAH contamination ... composition of other samples of crude oils is illustrated in Figure again indicating differences in profile Similarly the pattern of PAHs found in crude oil is very characteristic as shown in Table...
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Distribution and role of calcium independent phospholipase a2 in the brain
... 4, resulting in a disruption of the calcium binding domain and loss of both activity domains encoded by exons and The identification of this mutation has important implications in mouse inflammatory ... regulating signal transduction, gene transcription processes and also in inducing and maintaining acute inflammatory responses (Wolfe and Horrocks, 1994; Phillis et al 2006) Inhibition of cPLA2 ... Moutaery and Tariq, 1997) Quinacrine is one of the non-specific inhibitors of PLA2, inhibiting cPLA2 and iPLA2 activities from several sources (Ginsburg et al 1993; Hope et al 1993) Quinacrine appears...
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Researching mycotoxicosis, biological characteristics and toxicity of some common poisonous mushrooms in cao bang province
... divided into kinds: Amatoxin (cyclopolypeptid), gyromitrin (monomethylhydrazin), orellanin, muscarin, ibotenic acid and muscimol, coprin, psilocybin and psilocin, as the toxin causing gastrointestinal ... stalk) and hyphae (mushroom roots) Amatoxin includes kinds: α-amanitin, β-amanitin, γ-amanitin, εamanitin, amanullin, amanullinic acid, proamanullin, amanin and kinds phallotoxin: phalloidin, phalloid, ... these fungi Amatoxin is the common name of toxin contained in the poisonous mushrooms in the genus Amanita, Galerina and Lepiota Amatoxin is contained in entire fruiting body of the mushroom (cap,...
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The influence of surfactants on the solubilization, extraction and biodegradation of model polycyclic aromatic hydrocarbons
... Point of wt%Tergitol 15-S-7 104 5.6 Effect of Inorganic Salts on Cloud Point of wt%Tergitol 15-S-9 106 5.7 Cloud Point of wt% Tergitol 15-S-7 in the Presence of SDS 107 5.8 Cloud Point of Binary ... activities PAHs form, for example, during the incineration of solid waste, as a result of the incomplete combustion of fossil fuels and during the disposal of coal tar The emission of PAHs from ... “salting -in effects enhance the hydration of surfactant and hence increase the cloud point Wherease, “salting-out” ions have the opposite effects In this thesis, “salting -in and “salting-out”...
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Tropospheric Air Pollution: Ozone, Airborne Toxics, Polycyclic Aromatic Hydrocarbons, and Particles potx
... radicals; and depending on the structure of the reacting olefin, one of these can be the OH radical These reactions may be significant sources of OH and HO2 in urban areas during the day and evening ... Academy of Sciences, Polycyclic Aromatic Hydrocarbons: Evaluation of Sources and Effects (National Academy Press, Washington, DC, 1983) 102 G Grimmer, Ed., Environmental Carcinogens: Polycyclic Aromatic ... Clearly, understanding the chemistry of aerosol particles in the troposphere is critical to quantifying the relation between emissions of VOCs and NOx and the formation and fate of photochemical...
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Tài liệu Ambient air pollution by Polycyclic Aromatic Hydrocarbons (PAH). Position Paper pptx
... INTRODUCTION, CHARACTERISATION AND CURRENT REGULATION Scope of the PAH Working Group Definition of PAH and their Properties Current Regulations in Member States 2 SOURCES OF EMISSION, SINKS AND ... of the effects of PAH; • collating the experience of member states in the: − assessment and management of the risks associated with PAH; − setting air quality standards and guidelines; • making ... Domestic Sources 17 The domestic sources of PAH which can influence ambient air quality are, in the main, heating and cooking Domestic heating based on the combustion of fuels varies within Europe...
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Báo cáo khoa học: Amyloid oligomers: formation and toxicity of Ab oligomers ppt
... M (2004) Kinetics and binding sites for interaction of the prefoldin with a group II chaperonin: contiguous non-native substrate and chaperonin binding sites in the archaeal prefoldin J Biol ... ª 2010 FEBS M Sakono and T Zako phenotype during brain development, inactivated glycogen synthase kinase-3b (GSK-3b) and increased b-catenin levels Inhibition of Wnt signaling by Ab oligomers ... protein that causes Parkinson’s disease (PD), and interactions between a-synuclein and Ab therefore indicate that AD and PD could be related Ab also promotes a-synuclein aggregation and toxicity...
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The Geographic Distribution and Characteristics of U.S. Bank Failures, 2007-2010: Do Bank Failures Still Reflect Local Economic Conditions? pptx
... bank and savings institution failures and compare failing and nonfailing banks in terms of size and branching characteristics We similarly compare failing and non-failing commercial banks during ... by participating in loans made in other markets, investing in securities, and using other means, the large number of banks that operate predominantly in a single market and serve mainly a local ... that of 1987-92 The final section summarizes our findings and conclusions PROFILE OF BANKS THAT FAILED DURING 2007-10 Large Financial Institution Failures and Near-Failures The recent financial...
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Ambient Air Pollution by Polycyclic Aromatic Hydrocarbons (PAH): Position Paper Annexes pptx
... Carcinogenic, well studied Carcinogenic Strongly carcinogenic Carcinogenic; indicator of gasoline exhaust Carcinogenic; indicator of gasoline exhaust Particulate- bound Particulate- bound Particulate- bound ... Trend of sum of selected PAHs and Benzo[a]pyrene in London, UK 39 Figure 4: National and International Standard Methods 40 Figure A4.1:Relative distribution of 3- to 5-ring PAHs at urban (black) and ... Emission of Polycyclic Aromatic Hydrocarbons in Sampling Areas of the German Environmental Specimen Bank Method for the Precise Measurement of Gaseous and particle-Associated Polycyclic Aromatic Hydrocarbons...
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Bioavailability and toxicity of cd to microorganisms and their activities in soil
... the role of algae in remediation of industrial wastewater and other contaminated resources through sorption and accumulation has been gaining importance in recent years 2.2 Bacteria and other ... on membrane structure and function by binding to the ligands such as phosphate and the cysteinyl and histidyl groups of proteins (Collins and Stotzky, 1989) The effect of Cd on the soil enzymes ... by changing the soil pH Rayner and Sadler (1989) demonstrated complexation of Cd to polyphosphate granules in the cell membrane and intracellular Cd binding proteins in a tolerant strain of Pseudomonas...
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Distribution and mobility of heavy metals
... Chemometric processing The results were processed by PCA and HCA, in order to obtain a visual representation of the data set and gain insight into the distribution of the pollutants by detecting similarities ... volume are 5000 m2 and 17,000 m3 respectively, is made up of a mixture of industrial wastes and soil The original soil is almost absent in the area and in its surroundings, because of repeated excavations; ... defined, since the phenomena of redistribution and adsorption usually take place during extractions: in any case the partitioning of the metals into five fractions gives an indication of their...
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AUDIT OF THE CONTROL SYSTEM GOVERNING THE PRODUCTION, PROCESSING, DISTRIBUTION AND IMPORTS OF ORGANIC PRODUCTS potx
... procedures for approving and supervising control bodies, by promoting harmonisation in the definition of infringements, irregularities and corresponding sanctions, and by promoting identified good ... which integrated organic farming in the overall reporting of official feed and food controls Table gives an overview of some of the findings in that report together with the Court’s assessment of ... system ‘3 In the context of this Regulation the nature and frequency of the controls shall be determined on the basis of an assessment of the risk of occurrence of irregularities and infringements...
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DISTRIBUTION AND PACKAGING OF STUDENT FINANCI AIDI,: SOMEr EVIDEN~C FROM THE SURVEY 0F THE HIGH SCHOOL CLASS.OF 1972 potx
... student often comes from a "package" consisting of different types and sources of aid Such a package may result in funds from Federal and/ or non-Federal sources, and from grants, jobs, loans, and ... - -11 I , DISTRIBUTION AND PACKAGING OF STUDENT FINANCIAL AID: SOME EVIDENCE FROM THE SURVEY OF THE HIGH SCHOOL CLASS OF 1972 Alan P Wagner, College Entrance Examination Board and Kenneth A ... This report examines (1) the major sources of Federal financial aid to students in their first year of postsecondary education in the academic year 197273, (2) the distribution of Federal aid...
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báo cáo sinh học:" The distribution and transitions of physicians in Japan: a 1974–2004 retrospective cohort study" pot
... Possible impact of changes in initial clinical training system Japan introduced a new clinical training system in 2004, and this will probably affect physicians' career choices in the future Before ... satisfied [13,14] and more inclined to change jobs [15] In Japan, HPs' working conditions, in terms of working hours, job stress and risk of lawsuits, are generally more intense than those of OPs Therefore, ... can use to so in combination with other sources of information In Japan, in making their career choices, physicians generally consider the combined factors of specialty and working facility Almost...
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Distribution and Ecology of Some Important Riverine Fish Species of the Mekong River Basin pdf
... fisheries Distribution and Ecology of Some Important Riverine Fish Species of the Mekong River Basin Distribution and Ecology of Some Important Riverine Fish Species of the Mekong River Basin Distribution ... Distribution and Ecology of Some Important Riverine Fish Species of the Mekong River Basin Distribution and Ecology of Some Important Riverine Fish Species of the Mekong River Basin 10 Distribution and ... Ecology of Some Important Riverine Fish Species of the Mekong River Basin 11 Distribution and Ecology of Some Important Riverine Fish Species of the Mekong River Basin 12 Distribution and Ecology of...
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Distribution and Storage of Toxicants potx
... – Volume of distribution (dose/plasma concentration) Plasma Protein Binding • Some toxicants can bind to plasma proteins such as albumin • Affects distribution and T½ – Free toxicant in equilibrium ... 12 Principles of Environmental Toxicology Principles of Environmental Toxicology Distribution Endpoint Model Storage • Accumulation of toxicants in specific tissues • Binding to plasma proteins ... products, and contaminated swine, sheep, chickens and eggs 28 Principles of Environmental Toxicology Principles of Environmental Toxicology PBB Michigan 1973 PBB Michigan 1973 • As a result of this incident,...
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Báo cáo khoa học: "Distribution and variations of potassium and calcium in different cross sections of Picea abies Karst needles and Fagus sylvatica (L) leaves exposed to ozone and mild water stress" docx
... perturbation of the mineral nutrition at root level Barnes and Pfirrmann (1992) and Lucas et al (1993) explained the increase of K and Ca levels in ozone-treated trees by an increasing ion uptake ... isolation In Gerardner, the effects of this interaction are essentially in the epidermis of NFA + 50 and in the endodermis The main changes in Istebna occurred in the endodermis, mesophyll and vascular ... spruce clones and calcium and potassium in beech only The interaction of drought and ozone had a significant effect on calcium levels in the Istebna clone and potassium levels in Gerardmer and beech...
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