A pond has far more organic particulate matter than a chemically maintained swimming pool. |
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If the diesel engine is adjusted for low particulate emissions, more nitrogen oxide is produced. |
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However, in this case organic C was removed from the sand by muffle furnace, following an initial wash to remove particulate material. |
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Just aft of the close-coupled catalyst sits a particulate filter and secondary oxidation catalyst. |
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This has created an immediate difficulty in securing supplies of particulate filters. |
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It is equipped with particulate filter, and combines low emissions with good economy and excellent performance. |
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Types of air pollution include particulate and gaseous emissions and odour pollution. |
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Conway said there is good evidence that fine particulate matter from Asia is landing in British Columbia. |
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Often the fractured platelike secretions and crystalloid forms were associated with refractile spherical particulate debris. |
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Inhalation of coarse, ambient particulate matter may also contribute to the exacerbation of reactive airways disease. |
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But ionizers don't work any better than high-efficiency particulate air filters or electrostatic filters in removing allergens from the air. |
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They consist of particulate rocks that vary in size from sand to pebbles and cobbles. |
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Figure 2 shows the emissions of particulate matter from fuelwood use in Bergen, divided by urban district. |
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A spectrum of airborne organic particulate matter, appropriately sized to reach pulmonary acini, produces this disease. |
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City traffic is a significant source of pollutants such as sulphur dioxide, particulate matter, benzene, and carbon monoxide. |
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During the early 1980s the primary sources of Arctic particulate pollution are believed to have been from Russia and Europe. |
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We found high concentrations of CPP516 in surficial sediments and particulate matter collected in sediment traps. |
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First alveolar duct bifurcations have been shown to be a primary site of deposition for particulate matter and gaseous pollutants. |
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The particulate matter in the rain water that ran off the roof clogged up my water filter, but otherwise this scare caused no damage. |
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Biodiesel reduces emissions such as carbon monoxide, unburned hydrocarbons and particulate matter. |
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As snow falls, it picks up whatever chemicals and particulate matter are in the atmosphere. |
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Wind blown dust is the most obvious source of particulate matter with which we are familiar. |
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Zinc oxide is a common, biologically active constituent of particulate air pollution as well as a workplace toxin. |
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The polymer moieties have a valence orbital bond to the carbonaceous particulate, such as an ionic or covalent bond. |
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Each of these options may change the mass that would be counted as condensable particulate matter. |
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Biliary sludge is a mixture of particulate matter and bile, and it may stimulate microlithiasis. |
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Diesel particulate matter consists of soot mixed with anything from volatile organic compounds to sulphur and nitrous oxides. |
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Very low particulate, soot, and volatile organic emissions are released when it is burned. |
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The system incorporates a catalyst to reduce NOx emissions as well as a particulate filter. |
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The majority of bivalves feed by removing particulate organic matter from water that is circulated through the gills by cilliary activity. |
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The country's heavy use of unwashed coal results in large emissions of sulphur dioxide and particulate matter. |
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Our results suggest a possible causal link between airborne particulate matter from traffic and chronic respiratory symptoms. |
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Moreover, the use of fossil fuels puts our own health at risk through the chemical and particulate pollution it creates. |
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With less particulate matter, carbon monoxide and sulphur dioxide emissions are also less. |
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Some colonies have the ability to grow beyond a small, initial hard substrate, and overgrow a particulate substrate. |
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We cannot attribute the observed adverse effects to any single pollutant, although particulate pollution may be a strong candidate. |
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According to the Natural Resources Defense Council, particulate air pollution kills more than 5,000 people a year in that state. |
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The results of two recent studies have demonstrated an association between postneonatal mortality and particulate air pollution. |
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Healthy human volunteers experienced artery vasoconstriction when they breathed fine particulate air pollution and ozone. |
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This particulate pollution has been implicated in rising rates of asthma, now the most common chronic childhood disease in the United States. |
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Present legislations focus on carbonaceous particulate emissions, without considering separately soot particules and extractible matter. |
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Burning charcoal generates hydrocarbons, particulate air pollution, wildfires, and carbon footprints. |
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Other precautions include staying inside on high particulate pollution days and making sure your child is not exposed to too much diesel pollution on school buses. |
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We also identified sites with higher levels of particulate pollution than did previous studies, the purpose of which was to maximize the effect of the exposure. |
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The lung is constantly exposed to a broad spectrum of environmental toxins, including microbiologic pathogens and their products, particulate matter, and ozone. |
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The system cools incoming gases to approximately 180F, humidifies the airstream and charges particulate and water droplets with opposite polarity. |
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Bio-diesel fuelled engines, like their regular fuel counterparts, still emit carbon monoxide, unburned hydrocarbons, carbon dioxide and particulate matter. |
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This finding is of great concern inasmuch as the protection principle and measures of gaseous arsine are different from the airborne arsenic particulate. |
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In the 1950s we scaled and cleaned teeth mainly by hand ultrasonic scalers and efficient aspirators of particulate matter and spray had yet to appear. |
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The concentration of PM2.5, the smallest particulate matter, is at 153 micrograms per cubic meter. |
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To the best of our knowledge, no spectral and compositional data have ever been directly and simultaneously obtained for anthracene photolysis in solid particulate matter. |
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Perhaps these findings suggest a causative link between the rising levels of particulate air pollution from motor vehicles and the increase in the prevalence of atopy. |
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This ratio is driven by the settling rate and the nature of organic matter and particulate iron, as well as the supply of oxygen, nitrate, and sulfate to the sediment. |
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The sulfur dioxide and other particulate emissions coupled with gasoline are not found in ethanol, making the alcohol fuel a much cleaner burning alternative. |
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Indoor air sampling established that vented stoves generated substantially less soot and other airborne particulate matter than unimproved hearths did. |
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Despite these differences, it appears that asthma disease is exacerbated by particulate pollution in Anchorage, as it is in other cities in which it has been studied. |
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The suspended particulate matter is above permissible limits. |
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The report recommended future monitoring studies that might include real-time, continuous particulate matter monitoring equipment. |
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With respect to indoor air quality, workers can be exposed to fine particulate matter, carbon monoxide and certain heavy metals. |
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The air can be contaminated with radioactive isotopes in particulate form, which poses a particular inhalation hazard. |
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See the article on Airborne particulate radioactivity monitoring for more information. |
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Pacific oysters are nonspecific filter feeders, which means they ingest any particulate matter in the water column. |
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The rudiments of particulate inheritance were dimly understood already by the breeders of cattle and apples, but nobody was being systematic. |
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The flue gases must be cleaned of gaseous and particulate pollutants before they are dispersed into the atmosphere. |
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Lastly, bubble bursting can also be a generation pathway for particulate matter during an oil spill. |
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In particular, the Great Pacific Garbage Patch has a very high level of plastic particulate suspended in the upper water column. |
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The change of atmospheric smoke particulate concentration resulting from the presence of Barry Cossar. |
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A classic palynologist analyses particulate samples collected from the air, from water, or from deposits including sediments of any age. |
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Superabsorbers are manufactured in many forms including particulate and fibrous. |
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They measured the amount of PAH, aldehydes, and total particulate matter produced in the breathing zone of the cook. |
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Determination of selective quinones and quinoid radicals in airborne particulate matter and vehicular exhaust particles. |
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Quinoid redox cycling as a mechanism for sustained free radical generation by inhaled airborne particulate matter. |
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It is also used as a fat replacer in some bakery products and can be used in applications where the presence of fruit particulate is not needed. |
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Characterisation of selected speciated organic compounds associated with particulate matter in London. |
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Despite this, little is known about the pathologic injury and immune responses after repetitive exposure to particulate chromates. |
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Exposure assessment and modeling of particulate matter for asthmatic children using personal nephelometers. |
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The EPA said traffic was the primary source of nitrogen dioxide and also one of the main sources of particulate matter. |
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The District's urban forest improves air quality by removing nitrogen dioxide, sulfur dioxide, carbon monoxide, ozone, and particulate matter. |
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Biofuel engines are friendly to the environment as they reduce the emission of harmful sulfur oxide and particulate matter. |
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While testing for filterable particulate is a well-established science, the testing methods for condensable particulate are still developing. |
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Shipping fuels with a high sulphur content lead to emissions of sulphur dioxide and particulate matter. |
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In vitro data also show that more soluble steroids are safer than particulate steroids in the cervical spine. |
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Blisters are often a sign of delamination of layers or particulate contamination. |
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In addition, Suurna points out that the company has had success in reducing its particulate, or collection of dust particles. |
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In ventilation systems, smoke is defined as particulate matter less than one micron in diameter. |
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The importance of HCCI technology is underlined by the European Union's proposed maximum particulate levels. |
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Berks, Lehigh and Northampton counties are currently designated as non-attainment for federal particulate matter standards. |
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Soil can be contaminated through particulate accumulation from lead in pipes, lead paint, and residual emissions from leaded gasoline. |
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It is important to note that these flaws are unrelated to the interstitial pathways or particulate structure mentioned above. |
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These fluidization aids can be selected from a number of ingredients, including several particulate fillers extensively used in EPR formulations. |
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The new Case 586H and 588H forklifts achieve Tier 4 Interim certification through the use of cooled exhaust gas recirculation technology and a diesel particulate filter. |
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Ink is a complex medium composed of solvents, pigments, dyes, resins, lubricants, solubilizers, surfactants, particulate matter, fluorescers and other materials. |
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The pilot tests demonstrated that the Pall Aria UF membrane system successfully and efficiently removed microbial pathogens and particulate contaminants from the source water. |
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The separation rate of the particulate synthetic photocatalyst from water is optimized by means of the designing of surface physicochemical properties of the photocatalyst. |
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His study found that isoprene, once it is altered chemically via exposure to the sun, reacts with man-made nitrogen oxides to create particulate matter. |
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The tougher standard eventually could require affected industries to install additional pollution controls to reduce particulate matter emissions. |
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According to Imdd, the garbage collection trucks running on biofuel will help in the reduction of particulate emission, without any degradation in performance. |
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Along with utilizing existing particulate filter technology, BLUETEC uses a refined nitrogen oxide storage catalytic converter to lower NOx emissions. |
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Comparative effectiveness of cervical transforaminal injections with particulate and nonparticulate corticosteroid preparations for cervical radicular pain. |
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These six pollutants, also known as criteria pollutants, are carbon monoxide, nitrogen dioxide, sulfur oxides, particulate matter, ozone, and lead. |
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The UltraTemp Filtration System is a hot gas filtration system that removes fine particulate, including submicron and ultrafine particles, to extremely low levels. |
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In addition, recent hypotheses have been proposed linking adverse health effects with the number concentration of particulate matter rather than with total mass. |
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The particulate sample provides readings of overall alpha and beta radiation and also is used to determine the radiochemistry of the particulates. |
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The concentrations of the gas-phase PAHs anthracene, acenaphthene, fluorene, and phenanthrene distinguished the gas phase from urban and rural particulate phases. |
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These dangerous pollutants are known as the criteria pollutants, and include ozone, particulate matter, sulfur dioxide, nitrogen dioxide, carbon monoxide, and lead. |
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Inert particulate matter can be disturbed and entrained into the smoke. |
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To control emissions a cupola may be fitted with a cap that is designed to pull the gases into a device to cool the gases and remove particulate matter. |
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In addition, these chemicals can be oxidized by oxidants in the atmosphere to form fine particulate matter after they evaporate into the atmosphere. |
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Before the flue gas cleaning system, if installed, the flue gases may contain particulate matter, heavy metals, dioxins, furans, sulfur dioxide, and hydrochloric acid. |
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The new type of carpet, called AirMaster, is eight times more effective in trapping particulate matter than hard floors and four times more effective than a standard carpet. |
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Deep waters have their own chemical signature, formed from the breakdown of particulate matter falling into them over the course of their long journey at depth. |
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