sources of exposure to nitrogen oxides
EFFECT OF CARBON TO NITROGEN RATIO ON THE COMPOSTING OF CASSAVA PULP WITH SWINE MANURE
Ngày tải lên :
05/09/2013, 09:08
... Changes in total nitrogen during composting of cassava pulp with swine manure Changes in total phosphorus and total potassium The changes of total P and K followed a similar trend as total nitrogen ... day of composting, total K in pile and were lower than those of the other piles may be due to the lower amount of swine manure added to these piles to obtain higher initial C/N At the end of composting, ... adjustment of C/N ratio in composting Table Main characteristics of the raw materials Parameters pH Moisture content (%) Total organic carbon (%) Total Nitrogen (%) Total Phosphorus (%) Total Potassium...
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Tài liệu Male Reproductive Health Disorders and the Potential Role of Exposure to Environmental Chemicals pdf
Ngày tải lên :
13/02/2014, 10:20
... descended into the top but not into the bottom of the scrotum, for example) and of hypospadias (where the urethral opening is displaced towards the edge of the glans penis) are likely to go undiagnosed ... Role of Environmental Chemical Exposures EC exposure and testicular germ cell tumours (TGCT) Any assessment of studies attempting to link EC exposures (or lifestyle) to occurrence of TGCT has to ... because spontaneous resolution of cryptorchidism occurs in many cryptorchid boys in the first three months of life, standardization of the time of diagnosis of cryptorchidism is important Therefore,...
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Tài liệu Quantification of the Health Effects of Exposure to Air Pollution: Report of a WHO Working Group pdf
Ngày tải lên :
17/02/2014, 11:20
... effects of daily average exposures of the entire population (or broad strata of it) across broad geographic areas Use of these broad measures of exposure results in misclassification of exposure ... understanding of exposure- response relationships · All indicators of disease and health-related quality of life plausibly related to the exposures of interest should be considered in the planning of health ... important determinants of the magnitude of the estimated impacts · Research to quantify chronic effects of pollution, to identify the determinants of variation in health response to an exposure between...
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báo cáo hóa học: " Pulmonary effects of exposure to pig barn air" ppt
Ngày tải lên :
20/06/2014, 00:20
... mimics the lung response of new workers following first exposure to the swine barn air Single two-five hours of exposure of naïve, healthy volunteers to swine barn air is shown to induce bronchial ... Journal of Occupational Medicine and Toxicology 2006, 1:10 ers report significantly higher frequencies of respiratory symptoms, chest illness, cold and pneumonia [7,14] The severity of respiratory ... valuable tool to understand the effects of swine barn air or dust on a variety of lung cells These studies provide an opportunity to control various variables to facilitate identification of cellular...
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Báo cáo khoa học: "Effects of exposure to air on planting stress in red oak seedlings" ppsx
Ngày tải lên :
08/08/2014, 18:21
... due to exposure of seedlings has been associated with the desiccation of the different tissues (Coutts, 1981; Sucoff et al, 1985) However, respiration during the exposure phase may also lead to ... sensitivity to transplanting (Courraud, 1983) The aim of this study was to assess the water and carbohydrate status of young red oak seedlings subjected to different exposure durations, typical of reforestation ... to ambient conditions had detrimental effects on bare-root red oak seedlings in terms of survival and growth after planting The effects of exposure appeared to be related to the desiccation of...
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Báo cáo y học: "Extent of exposure to environmental tobacco smoke (ETS) and its dose-response relation to respiratory health among adults" doc
Ngày tải lên :
12/08/2014, 18:21
... measure of ETS exposure We opted for its use to incorporate various sources of information about exposure to ETS in order to differentiate between meaningful gradients of exposure for the purpose of ... reporting of tobacco use: results of a factorial experiment Tob Control 2003, 12(2):178-183 Steenland K, Sieber K, Etzel RA, Pechacek T, Maurer K: Exposure to environmental tobacco smoke and risk factors ... an important source of ETS due to its emissions and length of smoking bouts [18,20] Assessment of exposure to ETS, therefore, needs to encompass all information relevant to the studied setting...
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Effects of exposure to environmental mycobacteria on immunity conferred by bacille calmette guerin (BCG) vaccine
Ngày tải lên :
05/10/2015, 13:53
... as a vector to carry novel antigens vi iv LIST OF TABLES Table Percentage of different subsets of cells out of total lung cells page 30 Table Percentage of different subsets of cells out of lymphocyte ... analysed on the flow cytometer within 24 h 3.13 Cytotoxicity assay 3.13.1 Principle of assay A non-radioactive CytoTox 96® Assay kit (Promega) was used to measure cell-mediated cytotoxic responses following ... humans of diminished vaccine efficacy of BCG after exposure to Env We wished to test the hypotheses that cytotoxicity plays a role in immune responses induced by M chelonae (as a representative of...
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báo cáo hóa học: " Analysing the causes of chronic cough: relation to diesel exhaust, ozone, nitrogen oxides, sulphur oxides and other environmental factors" pptx
Ngày tải lên :
20/06/2014, 00:20
... respiratory tract [75] and exposure to even slightly elevated concentrations of ozone leads to a range of respiratory symptoms including chronic cough [76-78] A variety of studies focused on the ... cause a variety of respiratory effects Chronic effects of exposure to diesel emission have been assessed by several studies and the prevalence of chronic cough varied from 29 to 37 % among smokers ... non-malignant respiratory effects of diesel exhaust exposure can be summarized as an increased prevalence of chronic cough and also of phlegm production and of dyspnea Also, the FEV1 of diesel exposed...
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Tài liệu Banks’ exposure to interest rate risk, their earnings from term transformation, and the dynamics of the term structure pptx
Ngày tải lên :
16/02/2014, 06:20
... relation between the systematic factor of the exposure to interest rate risk and the shape of the term structure? (ii) What factors determine (at bank level) the exposure to interest rate risk? (iii) ... ratio of the bank’s interest rate exposure to the interest rate risk exposure of the bond portfolio, i.e ki (t) = BV Pi (t) BV PS (11) If the same exposure to interest rate risk translates into ... The R2 of the full model is 17.24%, i.e the combined contribution of the systematic factor and the regulation to the total timely variation of the exposure is 17.24% and, therefore, 82.76% of the...
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Tài liệu Báo cáo khoa học: Exposure of IgG to an acidic environment results in molecular modifications and in enhanced protective activity in sepsis doc
Ngày tải lên :
16/02/2014, 15:20
... enhanced autoreactivity [8] The first aim of the study was to find out whether the same broadening of IgG polyreactivity occurred when foreign antigens were used The exposure of pooled human IgG to a ... reactivity to Bacillus anthracis antigens In contrast, the transient exposure of IVIg to pH 2.8 buffer resulted in a significant (P < 0.05) enhancement of immunoreactivity, and in B C E Fig Exposure of ... (P < 0.05) stronger binding to this human proinflammatory cytokine (Fig 1C) Next, the reactivity of native and of low-pH buffer (pH 2.8)-exposed IVIg towards a panel of structurally unrelated pure...
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Tài liệu Personal Exposure to Air Pollution for Various Modes of Transport in Auckland, New Zealand doc
Ngày tải lên :
18/02/2014, 04:20
... asked to log the start and end times of their journeys, and, once chosen, to stick to their preferred route for the duration of the study Personal Exposure to Air Pollution for Various Modes of ... studies of personal exposure found in the literature [13, 19] The monitor has a resolution of 0.05 ppm and a range of 0-200 ppm In each case, the monitor was placed as close as practical to the ... the amount of physical exertion put in by the commuter and also their level of fitness Another significant factor is the topography The topography of Auckland is undulating In areas of high traffic...
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An Analysis of Commercial Bank Exposure to Interest Rate Risk doc
Ngày tải lên :
06/03/2014, 02:21
... to avoid strategies that maximize current earnings at the cost of exposing future earnings to greater risk Several techniques are used to measure the exposure of earnings and economic value to ... indicator of interest rate risk exposure in terms of earnings or economic value For evaluating exposure to earnings, a repricing table can be used to derive the mismatch (gap) between the amount of ... adjustments to cash flows (such as principal prepayments) to the specific magnitude and level of the rate shock An Analysis of Commercial Bank Exposure to Interest Rate Risk provide an estimate of the...
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Báo cáo khoa học: Microperoxidase 8 catalysed nitrogen oxides formation from oxidation of N-hydroxyguanidines by hydrogen peroxide ppt
Ngày tải lên :
17/03/2014, 09:20
... hydrolytic digestion of cytochrome c Microperoxidase (MP8) consists of an iron protoporphyrin IX cofactor covalently bound to an oligopeptide (amino acid residues 1421 of horse cytochrome c) which ... (data not shown) Moreover, the addition of lM MP8 to this mixture led to a gradual disappearance of the ve-line EPR spectrum of CPTIO and to the appearance of a seven-line spectrum (Fig 2, trace ... formation of the CPTI spectrum This disappearance of the EPR signal of CPTI could result from further oxidation of CPTI to EPR-silent products under those conditions or from the coupling of CPTI(O) to...
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Maternal and fetal exposure to pesticides associated to genetically modified foods in Eastern Townships of Quebec, Canada docx
Ngày tải lên :
22/03/2014, 12:20
... worldwide The Cry toxins (protoxins) produced by GM crops are solubilized and activated to Cry toxins by gut proteases of susceptible insect larvae Activated toxin binds to specific receptors localized ... fetal exposure to pesticides associated to genetically modified foods in Eastern Townships of Quebec, Canada Reprod Toxicol (2011), doi:10.1016/j.reprotox.2011.02.004 G Model RTX-6510; No of Pages ... with ml of acetonitrile followed by ml of distilled water The samples were loaded onto the SPE cartridges, dried (3 min, psi) and eluted with ml of acetonitrile The solvent was evaporated to dryness...
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Báo cáo khoa học: Overexpression of human histone methylase MLL1 upon exposure to a food contaminant mycotoxin, deoxynivalenol docx
Ngày tải lên :
23/03/2014, 04:21
... upon exposure to DON indicated that expression of these proteins is sensitive to toxic stress Notably, we analyzed the effects of DON on cell growth and determined the cytotoxicity (IC50) towards ... downregulated upon exposure to DON (Fig and data not shown) The upregulation of MLL1, its several inter- Results DON induces expression of MLL To understand the effects of mycotoxic stress on MLL ... of DON on upregulation of MLL1 In addition, the level of Sp1 is enriched in the Sp1-binding regions of the MLL1 promoter upon exposure to DON These results demonstrated that Sp1 acts a mediator...
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THE EXPOSURE OF YOUTH TO UNWANTED SEXUAL MATERIAL ON THE INTERNET: A National Survey of Risk, Impact, and Prevention pdf
Ngày tải lên :
29/03/2014, 19:20
... RESPONSE TO EXPOSURE In the wake of their exposure, only slightly more than half the youth disclosed it to anyone (57%) In 43% of the episodes, youth disclosed to no one Parents were told or found ... Software and Risk of Unwanted Exposure to Sexual Material Odds Ratio Variable Parent-home use of filtering/blocking software Parent-use of AOL Parental Controls Youth-knowledge of home use of filtering/blocking ... the terms of the debate, but public policy has historically been more willing to protect girls than to control boys Is exposure specific to certain kinds of activities? Youth seem to increase...
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Báo cáo hóa học: " Bias analysis applied to Agricultural Health Study publications to estimate non-random sources of uncertainty" doc
Ngày tải lên :
20/06/2014, 00:20
... cumulative exposure cumulative exposure value assigned to each category allocation of cases to cumulative exposure categories rate ratios assigned to each exposure category number of cases in each exposure ... sensitivity of exposure classification, t is the specificity of exposure classification, p is the prevalence of glyphosate exposure, and i is an index for the four combinations of exposure status ... ever-use of a subset of pesticides in a subsample of 4088 Iowa AHS applicators [14] Agreement was lower (typically 50% to 60%) for measures that involved duration, frequency, or decade of first use of...
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báo cáo hóa học: " A case study on co-exposure to a mixture of organic solvents in a Tunisian adhesive-producing company" potx
Ngày tải lên :
20/06/2014, 00:20
... are acetone, cyclohexane, n-hexane, methylethylketone, toluene and trichloroethylene The investigation aimed to assess occupational exposure of the company volunteer’s workers to a mixture of solvents ... it consists of work stations, storage rooms for the raw materials and finished products, a control laboratory and an office The total staffs are composed of 45 employees: administrators, engineers, ... adhesives of different types are produced, with a maximum number of operators Conditioning takes place in the second section where the number of permanent operators varies from to according to the...
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Exposure to Traffic and the Onset of Myocardial Infarction potx
Ngày tải lên :
27/06/2014, 00:20
... the use of descriptive analyses, we calculated the frequency of exposure to traffic for a particular period of time by dividing the number of person-hours of exposure by the total number of person-hours ... period” of exposure was defined as an exposure to traffic by the same subject 24 to 71 hours before the hour of the onset of the myocardial infarction Thus, each subject represented a matched set of ... journal of medicine were 55 years of age or older For most of these subjects, this was their first myocardial infarction, and most of them survived to 28 days A Cases (%) Day of MI association of exposure...
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Báo cáo khoa học: "Changes of biomarkers with oral exposure to benzo(a)pyrene, phenanthrene and pyrene in rats" ppt
Ngày tải lên :
07/08/2014, 20:23
... ml of acetonitrile by sonication Next, 20 ul of filtered solution was analyzed using liquid chromatography with a fluorescence detector according to the method of Chen et al [9] Analysis of the ... Short term exposure of rodent to disel exhausts; usefulness for studies of genotoxic and immunotoxic effect Chem Biol Interact 1999, 118, 19-38 30 Nisbet ICT, LaGoy PK Toxic equivalency factors (TEFs) ... indicator of the mutagenic activity of the PAHs in animals [5,6,22] In the human, the ratio of 1-OH-PY to 3-OH-BaP was reported to be 200 times higher [16] The 1-OH-PY in urine reflects a recent exposure...
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