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How To Use Contaminant In A Sentence

  • Is particularly early snow mushroom, in the formulating and float to fall of easily adsorb a lot of contaminants in the course, the quare amalgamation out of character drinks.
  • Unfortunately, many contaminants remain unbanned, and an average of seven new chemicals are put on the market daily, most of them not tested for toxicity.
  • The researchers studied how contaminants move through the vadose zone, which is the area between the soil surface and the groundwater zone. EurekAlert! - Breaking News
  • Contaminant fluxes associated with the process of frazil ice formation in the Kara sea are much smaller than worst-case estimates.
  • Geron's H1 hESC master cell bank is fully qualified for human use and was shown to be karyotypically normal and free of measurable contaminants of human or animal origin. All - WTN News
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  • Patients with blood cultures positive for coagulase-negative staphylococci or other common skin contaminants were not classified as bacteremic.
  • He said that the binding was so “stereospecific” it had to be an opiate, like morphine, but because the binding was so weak he suspected that it might be due to the presence of a morphine contaminant in the sample. Alcohol and The Addictive Brain
  • It has since been discovered that these materials were not suitable for use, containing a number of contaminants, including carcinogenic chemicals.
  • Other contaminants, while not a health risk, can make water less desirable for domestic use.
  • But routine screening of milk for contaminants should have disclosed higher lead levels by mid-October.
  • Contaminants are subsequently removed by harvesting the above-ground shoot biomass for volume reduction and storage.
  • Known as ‘diesel algae’ these are primarily fungi, yeast and mold contaminants.
  • NASA is interested in sensing contaminants because spaceships are tightly sealed.
  • Other contaminants include arsenic, chromium, cyanides, phenols, sulphates, gases and ‘combustible materials’.
  • Fiber is removed from cotton at the gin stands, then foreign matter and other contaminants are removed by the lint cleaners.
  • Micro-organisms are used in a variety of applications, like breaking down oil spill contaminants and sewage, or perhaps more appetizingly, providing an array of food products and additives.
  • The presence of devitalized tissue and contaminants such as dirt or saliva also make the wound tetanus - prone.
  • In the first step, large contaminants were removed by filtration through filter paper.
  • Optimal sensor placement is desirable to ensure adequate coverage of the network's flow for detection and remediation of contaminants.
  • The DOE states the "maximum contaminant level developed by the Environmental Protection Agency for tritium in drinking water supplies is 20,000 pCi/L or 0.02 microcuries per liter (a picocurie is a millionth of a microcurie). GlobalResearch.ca
  • Disposal / re-use of these streams is dependent on both the level and type of contaminants present in the starting material.
  • The fungus is a common soil contaminant being excreted in feces of several birds particularly pigeons.
  • A hand-held chemical agent monitor determines whether any contaminants are still present.
  • Chinese officials have disputed the FDA's finding that the contaminant was a substance called oversulfated chondroitin sulfate. China Never Investigated Tainted Heparin, Says Probe
  • This approach exploits the ability of terrestrial plants to absorb contaminants from the rhizosphere and translocate them to the shoot.
  • Stems were cut 10 mm above the soil level and the wound area was immediately swabbed to remove contaminants from cut cells.
  • Closed shellfish beds have been reopened and eelgrass have been potential long-term sources of contaminants, such as acids, solvents, polycyclic aromatic hydrocarbons and oxygen-demanding biological wastes.
  • The technology exists to remove all of these contaminants through filtration.
  • Agent Orange was used as a defoliant during the Vietnam War and included, as contaminants, dioxin and related compounds.
  • Constructing dust-proof partitions, applying tape around doorways, and sealing or disconnecting ductwork leading to occupied areas will greatly reduce the spread of contaminants.
  • Because of the high solubilities in niobium and tantalum, these embrittling contaminants normally do not present problems in fabrication.
  • That is, it is plausible to hypothesize that observations of altered plasma steroids in contaminant-exposed juvenile and adult alligators are, in part, a response to nitrogenous pollutants.
  • Permeable surfaced parking areas and engineered swales will force runoff through plant-based filtration to remove contaminants.
  • In hot cleaning of producer gas of biomass gasification, Ammonia, the trace contaminant, is decomposed to nitrogen and hydrogen catalytically.
  • Recent efforts in ecotoxicology have focused on linking effects of contaminants on individuals with population-level consequences.
  • As the temperature of the gases rises, the organic contaminants begin to break down and recombine with oxygen from the air, forming carbon dioxide and water.
  • These studies, some of which have been presented above, document the sublethal effects of contaminants on the cellular signaling mechanisms of animals.
  • Linear guideways with integrated encoders save time, space and eliminate the risk of damage by contaminants.
  • In addition to reviewing responses to survey questions about smoking in the home, they also performed tests to check the levels of a contaminant called cotinine, a chemical which is present in the blood of children who have been exposed to the nicotine in tobacco smoke. ABC News: Top Stories
  • My observations from the sidelines of several disputes over remediation in neighborhoods adjacent to closed military bases that had similar buried leftovers affecting groundwater and soils is that the public disclosures did more harm through the level of anxiety generated for these residents than the contaminants ever had the possibility ofdoing. The Volokh Conspiracy » Chemical Weapons in my Neighborhood
  • Filters do not remove all contaminants from water.
  • A recent study, "The association between mountaintop mining and birth defects among live births in central Appalachia, 1996-2003," has provided irrefutable evidence that six out of seven types of birth defects -- circulatory/ respiratory, central nervous system, musculoskeletal, gastrointestinal, urogenital and "other" -- related to contaminants released into nearby environments from mountaintop removal operations are too high a price to pay for an unnecessary way of mining. Jeff Biggers: Appeal to Action: Appalachian Leaders Launch Mountaintop Removal Moratorium Now Campaign
  • The study “still begs the question how much contaminant is left in the paint pit, and I don’t think anyone in the world knows that,” Strange said. Variety of Chemicals Discovered in Ivy Landfill at cvillenews.com
  • Only three varieties of amphibole fibers will be discussed because: crocidolite and amosite were the only amphiboles with significant industrial uses in recent years; tremolite, although having essentially no industrial application, may be found as a contaminant in other fibers or in other industrial minerals (e.g., chrysotile and talc). Geology of asbestos
  • In theory, if you could keep all external contaminants out of deionized water you could have a pc that is water cooled by sinking it in water. How To Save Your Keyboard After A Spill | Lifehacker Australia
  • They like this spa-like environment so much, they depurate, or cleanse themselves of contaminants, making them fit for their ultimate dates with drawn butter and tartar sauce. Boston.com Top Stories
  • Jeff Phillips, Environmental Contaminants Coordinator for the US Fish and Wildlife Service, rescues a Brown Pelican from Barataria Bay in Grand Isle, Louisiana.
  • It is a widely distributed contaminant in atmospheric environment.
  • A hand-held chemical agent monitor determines whether any contaminants are still present.
  • But when the system malfunctions, chemical contaminants can occasionally end up circulating through the airplane, creating a so-called fume event. Up in the Air: New Worries About ‘Fume Events’ on Planes
  • Thomas Cech and his group initially attributed the activity of their Tetrahymena RNA to a protein contaminant, and they only slowly succumbed to the weight of the accumulated data that argued for the RNA. Sidney Altman - Banquet Speech
  • ‘When you have people who have a diet that's very high in animal fat, they get the full whammy of the contaminants,’ said David Carpenter, who supervised the St. Lawrence Island studies.
  • The fungus is a common soil contaminant being excreted in feces of several birds particularly pigeons.
  • The Loma stand will also incorporate the X4 X-ray machine, which the company states is able to detect non-metallic contaminants, together with monitoring the weight, size and shape of products.
  • The contaminated soil is heated to 650 degrees centigrade to make the contaminants gaseous instead of liquid.
  • It is pointed out that contaminant formation relates to transportation distance, oil types, throughput, shutdown time, terrain, etc.
  • Many pesticides which were once very familiar contaminants - DDT, aldrin, dieldrin, and toxaphene - have been banned in the US, Canada, and the UK.
  • In operation, hydrostatic head pressure forces stormwater flow into the housing where primary separation of insoluble contaminants occurs.
  • Scientists call this 'bioaccumulation', contaminants becoming more concentrated as they pass up the food chain. Home | Mail Online
  • The water quality board cited the port in 1995 for excessive contaminants in the convention center operation.
  • These days many claim to remove contaminants like lead and chloroform, which is a surrogate for pesticides and other harmful organic compounds. News Channel 9: Local News
  • Contaminants combined with inappropriate wound care can convert a simple wound to a major catastrophe.
  • The self-contained facility has a positive-pressure HVAC system to prevent the ingress of airborne contaminants and cross-contamination from other operating lines.
  • Table 8. 4 lists some typical ranges of contaminant levels found in used oils.
  • The technology exists to remove all of these contaminants through filtration.
  • Also under the new initiative, EPA, FDA and the CDC will collaborate with state and local health departments on research to help health officials better predict and control outbreaks of waterborne microbial contaminants, such as crypto sporidium. Vp Announces Food Safety Plan
  • ADT induces cells to make extra amounts of an enzyme that can detoxify cancer-causing chemicals in tobacco smoke and other environmental contaminants, say the researchers.
  • Study on the Joint Deformation and the Interface Contaminant Ejection Rate in DC Upset Butt Welding.
  • We are also working, in other research projects, on removal of arsenic and other contaminants, " researcher Brian Dempsey said.
  • Other contaminants include arsenic, chromium, cyanides, phenols, sulphates, gases and ‘combustible materials’.
  • An air purification system can rid your home of contaminants and odors in the air.
  • Undertaking this work may disturb the sediment and release the contaminants in the water.
  • It may not be purposeful here because it's a common contaminant of yohimbine preparations. TROPIC OF NIGHT
  • Puralytics, winner of this year's CleanTech Open, uses photochemical processes work to break down or remove contaminants from water. Andrew Winston: Innovation in Managing Water
  • Perchlorate is a waterborne contaminant left over from propellants and rocket fuels.
  • These contaminants are mostly generated at lower latitudes and transported by various natural mechanisms (termed contaminant pathways) to the Arctic. Potential impacts of indirect mechanisms of climate change on human health in the Arctic
  • A machine called a scrubber cleans gases of contaminants. NYT > Home Page
  • The contaminant is a fungal toxin introduced during production, harvest storage or processing CNN.com
  • Human exposure to biological contaminants in the air of damp and moldy indoor environments is a challenge for toxicological research and risk assessment.
  • The deep pits may drain water from an already thirsty ecosystem and expose underground drinking-water supplies to contaminants such as giardia and cryptosporidium.
  • The secret formula was discovered while Mr Parker and his colleagues were looking for a way of cleaning up the contaminants on the gold mine site cheaply.
  • This organism often grows in low numbers, and many laboratories still regard it as a contaminant.
  • Fewer loosely bonded fluorine atoms in the seasoning film results in fewer contaminants being incorporated into films deposited over substrates in subsequent processing steps.
  • Ash from the burn operation alone left lasting contaminants in the soil along a wide swath of Eighth Avenue.
  • The report says the amount of contaminants in land mammals such as musk ox and reindeer is still low.
  • The filtration process works by physically removing the contaminants from the water and retaining them within the filter medium.
  • Typically, these assessments follow the general ecotoxicology paradigm, identifying and assessing the exposure -- and effects of -- human and other populations to such stressors as contaminants or pathogens or habitat change. Ecological risk assessment
  • The nanowire matting is expected to have other environmental uses, including the removal of chemical contaminants from ponds and rivers. Times, Sunday Times
  • Human exposure to biological contaminants in the air of damp and moldy indoor environments is a challenge for toxicological research and risk assessment.
  • Make sure that all equipment is clean and free of contaminants.
  • Organochlorine contaminants, including toxaphene, chlordane and metabolites, HCHs, HCB, dieldrin, and PCBs, were found in the opossum shrimp, Mysis relicta, from the great lakes.
  • These filters usually trap large particles of sand, dirt or mineral contaminants and treat all of the water used in the house.
  • In theory, if you could keep all external contaminants out of deionized water you could have a pc that is water cooled (by sinking it in water). How To Save Your Keyboard After A Spill | Lifehacker Australia
  • During normal engine operation, the inadvertent contamination of fuel by water and other contaminants must be tolerated.
  • Each of these compounds are important contaminants in biological systems as they readily bioaccumulate and biomagnify in the food chain.
  • It is suggested that younger children, whose developing nervous systems are susceptible to damage by contaminants, obtain omega-3 from species such as goatfish, anchovies or pilchard. NutraIngredients RSS
  • The contaminants are usually the result of the use of agrochemicals, fertilizers, and sprays used to increase crop yields, which then get washed into rivers and reservoirs and hence into drinking water.
  • The air runs through a massive bank of modular filters to remove dust and other contaminants before it circulates in a massive cavity, called a plenum, below its data center halls. Latest from Computerworld
  • There are specific requirements for which contaminants must be checked and for the frequency of checking.
  • Make sure that all equipment is clean and free of contaminants.
  • That's worrisome given that contaminants pose the biggest risk to children and fetuses.
  • A kind of disinfectant for blood contaminant can dissolve blood and blood coagulum.
  • Microbiological contaminants, including protozoa, bacteria and viruses, are normally killed by chlorinating and other treatment.
  • Alternative methods of treatment for metallic and ceramic surfaces involve excimer or CO2 lasers, or bombardment with high-energy ions, resulting in ablation of surface contaminants.
  • The water quality board cited the port in 1995 for excessive contaminants in the convention center operation.
  • The model also allowed USGS researchers to measure water-quality effects in terms of loads, the total amount of a contaminant, such as fecal coliform bacteria, that is transported past a monitoring station over a given period of time.
  • The amount of contaminants in the meat of sea mammals is also low, but the level of contamination in the blubber of seals and whales is high.
  • These reproductive end-points can be studied in parallel to determine contaminant effects on the reproductive success of the organism, one of the key objectives of ecotoxicology.
  • One contaminant that has raised concerns among airline unions and some scientists is tricresyl phosphate, an antiwear additive found in the engine oil of commercial jet liners that has been linked to neurological damage when ingested. Up in the Air: New Worries About ‘Fume Events’ on Planes
  • Dangerous contaminants at the crash site required the team members to wear full rubber protective suits for their safety.
  • Dioxin was the contaminant in the herbicide Agent Orange, used as a defoliant in the Vietnam war and thought to have caused numerous health problems in veterans of that war.
  • Grading leniency is a removable contaminant of student ratings.
  • By contrast, the deadliness of contaminants added to reservoirs or water sources would most likely be neutralized by dilution and standard water treatment.
  • We want to keep these fish alive here and in good health, and to keep their tissue clean from contaminants.
  • In practice, the bacterial mutation test is the most widely used and best validated bioassay for assessment of potentially mutagenic contaminants.
  • The water quality board cited the port in 1995 for excessive contaminants in the convention center operation.
  • The human eye can only see objects as small as about 40 microns, but most oil contaminants are about 5 microns.
  • By examining the volatile content of meteoritic contaminants in the lunar regolith and of volatiles cold-trapped at the lunar poles, we can determine their chemical and isotopic composition and possible source regions.
  • He is an active researcher in field and theoretical aspects of mass transport, contaminant hydrogeology and groundwater geochemistry.
  • Since the five ACIA-designated models project that the Arctic will become a "wetter" place [23] (section 4.4.3), the capture of particulates and contaminants that partition strongly into water is likely to significantly increase by a factor that could more than offset efforts to reduce global emissions. Global change and contaminants in the Arctic
  • Various allergens such as pollens, dust, animal fur or contaminants can cause swollen lips. Undefined
  • In addition, the service provider may propose applying chemical biocides, designed to kill microbiological contaminants, to the inside of the duct work and to other system components.
  • For simplicity the interstitial elements carbon, nitrogen, oxygen, boron, and hydrogen will be referred to as contaminants, and the substitutional elements, intentionally added, will be referred to as alloying elements.
  • Bacterial culture of biopsy specimens grew few coagulase negative staphylococci (which are thought to be contaminants), while fungal, viral, and legionella cultures of the specimens were all negative.
  • These restrictions help prevent certified organic products from coming into contact with microbial contaminants.
  • There are no requirements to test for potentially harmful contaminants.
  • Maintenance costs of chippers tend to be higher, however, because their knives can't tolerate rocks, metal, and other contaminants the way that the hammer-mill grinders can.
  • The best time to change hydraulic oil is at the end of the season when contaminants, such as water and dust, are in suspension.
  • And it means forcing NOAA and the states to release their sampling plans, sample for the full range of contaminants, take an adequate number of samples, and do follow-up sampling in reopened areas to make sure they stay safe. Gina Solomon: Six Months, Five Shrimp and One Nasty Mess: Health and Seafood Safety Concerns From BP Spill Still Linger in Gulf Today
  • Unfortunately, tritium is a notorious and ubiquitous contaminant, and an impurity in deuterated acetone.
  • Typical contaminants present may include oils and weak oxide layers on metals, or fluorocarbons and silicones on polymers.
  • An addled eagle egg was recovered from an abandoned nest along the Androscoggin in Lewiston and submitted to analytical labs for contaminant testing.
  • It also has to cope with pressures between 105 and 109 pascals, as well as contaminants including metal particles and soot.
  • Over the last decade, we have become increasingly aware that environmental contaminants act through multiple mechanisms to alter endocrine functioning in vertebrate and invertebrate species.
  • These live bombs leak contaminants and pose an explosive threat to fishers and divers.
  • It is also unclear whether the contaminant is the cause of patients 'allergic reactions to Baxter's heparin. How Heparin Maker in China Tackles Risks
  • The complex biogeochemical transformations that occur in wetlands have the ability to attenuate contaminants in runoff waters coming from a variety of human activities.
  • The adsorption of organic contaminants in the vadose is one of the most important factors affecting their migration and transformation process.
  • Organic contaminants include residues of pesticides and other agricultural chemicals.
  • Plants clean the air, researchers say, primarily by absorbing pollution through small leaf pores called stomata, and via microorganisms living in the potting soil or medium that metabolize contaminants. A Superhero Scrubs the Air: The Mighty Houseplant
  • Ash from the burn operation alone left lasting contaminants in the soil along a wide swath of Eighth Avenue.
  • To that I would had the SO4 contaminant from the West Virginia powerplants that has obscured the view from the Skyline Drive, and impacts the tourist bidness. Waldo Jaquith - Governor requires a 20% reduction in energy consumption.
  • The oil contaminants of most health concern - potential cancer-causing substances called polycyclic aromatic hydrocarbons, or PAHs - show up in other everyday foods, too, such as grilled meat. Gulf Seafood Undergoes Intense Testing
  • Many pesticides which were once very familiar contaminants - DDT, aldrin, dieldrin, and toxaphene - have been banned in the US, Canada, and the UK.
  • There are many contaminants that can present a health risk if present in sufficient concentrations.
  • Twenty-one suppliers didn't give the maximum permitted levels of contaminants like lead or aluminium in water for comparison with actual levels.
  • The presence of deliberately added adulterants and accidental contaminants in the herb or herbal extract is always a risk when these products are not properly tested for purity.
  • However, the term ‘drug’ excludes contaminants (such as in herbal medicines) or supposedly inactive excipients in a formulation.
  • In the beaker-strewn lab, they add chemicals that will react with contaminants by turning a certain color, and measure the change with a colorimeter.
  • Care was taken to use pure water in the chamber because most contaminants tend to lower the water vapor pressure.
  • In the manner of the traditional farmhouse mudroom, these spaces provide a transitional zone for shedding contaminants that have attached to shoes and clothing.
  • "Microplastic is now a ubiquitous contaminant in the Pacific Ocean - and seas around the world," said Eriksen.
  • If a nonpoint source contains man-made contaminants, the runoff is called nonpoint source pollution. Surface runoff
  • Because of their stability, they are hard to dispose of and are persistent environmental contaminants.
  • The oil contaminants of most health concern – potential cancer-causing substances called polycyclic aromatic hydrocarbons, or PAHs – show up in other everyday foods, too, such as grilled meat. Gulf Seafood Gets Intense Safety Testing
  • These are referred to as nuisance contaminants and include calcium, magnesium, iron, manganese and hydrogen sulfide.
  • Once the desired quantity of trees had been installed, a layer of geotextile material was deposited on top to keep contaminants out of the stream.
  • A global pollutant of most aquatic systems, nitrate has the potential to be an endocrine disrupting contaminant.
  • Minute, infinitesimal amounts of chemical contaminants crossing the placenta can cause cancer in young adults decades later.

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