AnatomyOrganismsDiseasesChemicals and DrugsAnalytical, Diagnostic and Therapeutic Techniques and EquipmentPhenomena and ProcessesDisciplines and OccupationsAnthropology, Education, Sociology and Social PhenomenaTechnology, Industry, AgricultureInformation ScienceNamed GroupsHealth CareGeographicals
Air PollutantsAir PollutionNitrogen DioxideOzoneSulfur DioxideParticulate MatterAirVehicle EmissionsEnvironmental MonitoringEnvironmental ExposureEnvironmental PollutantsAir Pollution, IndoorOxidants, PhotochemicalParticle SizeEpidemiological MonitoringRespiratory Tract DiseasesWater PollutantsCarbon MonoxideCitiesUnited States Environmental Protection AgencyAir Pollutants, OccupationalAir MovementsInhalation ExposureWeatherAtmosphere Exposure ChambersUrban HealthWater Pollutants, ChemicalSmogMeteorological ConceptsAcid RainGasesPolycyclic Hydrocarbons, AromaticNitrogen OxidesNitric AcidVolatilizationSeasonsMotor VehiclesAsthmaHazardous SubstancesOrganic ChemicalsEnvironmental HealthBenzeneAir MicrobiologyMaternal ExposureSulfur OxidesSmokeSoil PollutantsSulfuric AcidsFossil FuelsRespiration DisordersTillandsiaEmbolism, AirHumidityAerosolsDustLipid MetabolismVentilationVolatile Organic CompoundsMaximum Allowable ConcentrationEpidemiologic StudiesPoisson DistributionHydrocarbons, ChlorinatedComplex MixturesExtraction and Processing IndustryCaliforniaPolychlorinated BiphenylsSootOilsPolycyclic CompoundsAcroleinTobacco Smoke PollutionGeorgiaGeographic Information SystemsLungMexicoHousingOrganelle SizeRespiratory SystemUrban PopulationIndustryEmulsionsRisk AssessmentModels, TheoreticalAir ConditioningMortalityHydrocarbonsLung DiseasesFormaldehydeInfant, NewbornPetroleumCarcinogens, EnvironmentalWest VirginiaTime FactorsBiodegradation, EnvironmentalTaiwanEnvironmental PollutionEthylene OxidePollenRespiratory SoundsAir Sacs
PollutionParticlesConcentrationsAirborneGaseousPersistent Organic PoContaminantsAtmospheric pollutantsNucleiSmogDispersionAtmosphereEmissionsDustBacteriaParticleHarmfulFiltrationNitrogen dioxidePurifierGasesVentilationParticulate airOzoneToxicSulfurAmbient airWaterAcidGaussianASHRAEVirusesBreatheSporesMonitoringSick buildingChemicalsBiologicalIndoor air quaPurifiersLungSecondaryRespiratorContinuouslyCompoundsHEPAAssessIndirectPesticidesLiquidContamination
Pollution55
Particles20
  • The pesticides which are sprayed on crop-plants remain in air as liquid particles. (cyberpointsolution.com)
  • 99.99% of particles down to 1.0 micron and 99.97% of particles down to 0.1 microns, which includes smoke, bacteria, viruses, smog, radioactive fallout, and ultrafine dust. (elementalairsystems.com)
  • it always contains traces of pollutants the force of suspended solid particles (dust and smoke), droplets of liquid (mist), vapors, and contaminant gases. (thermopedia.com)
  • The main contaminants are suspended particles of various chemical composition, gaseous sulfur and nitrogen compounds, vapor of organic substances, as well as halogen compounds and radioactive substances. (thermopedia.com)
  • Atmospheric precipitation such as rain, snow and drizzle play an important role in purifying air from suspended particles, particularly, if account is taken of the fact that particles are the main condensation sites of water vapor. (thermopedia.com)
  • These are solid particles and liquid droplets suspended in air. (biologydiscussion.com)
  • For the European Standard, a True HEPA filter will filter the air and capture at least 99.95% of particles of 0.3 microns in size. (sanalifewellness.com)
  • The present problem is that we produce huge amounts of air borne nano structured particles from combustion processes that never exist before. (scirp.org)
  • A novel ultra-fine dust electric reduction device (UFDRS-System), created by the author, diminishs to a size of less than 10 nano particles in diameter and thus prevents major electrical drift of nano structured particulates in the upper troposphere and lower stratosphere and contributes largely in purifying the air and thus reduces the effects of climate shifts. (scirp.org)
  • A tugging air stream's inertia will cause small particles that can pass through the gap to adhere to the side of the fiber. (ushomefilter.com)
  • In contrast to the US, where requirements are stricter and HEPA filters must collect 99.97% of airborne particles larger than 0.3 microns and are mostly used in US air filter systems , European HEPA filters must capture 99.95% of these particles. (ushomefilter.com)
  • Particles in the air have to "run into" filter fibers on a one-dimensional surface to become successfully tethered to the filter fibers. (o2nosefilters.com)
  • 2 Airborne particles that transport viruses and bacteria, referred to by academia as "droplet nuclei", are typically composed of the pathogen itself enveloped in sneeze or cough droplets. (o2nosefilters.com)
  • Man-made and natural contaminates in the air we breathe range from subatomic particles to particles easily visible to the naked eye. (o2nosefilters.com)
  • The distribution of particles by size and type can be highly variable, even from one cubic meter of air to the next. (o2nosefilters.com)
  • The tidy air shipment rate will certainly help you comprehend exactly how reliable a device goes to filtering different particles in details room dimensions. (niltondeboni.com)
  • Click the images below to see an animation of a portable air cleaner removing particles from the air in a residence. (niltondeboni.com)
  • A suspension of tiny particles or liquid droplets ( (bvsalud.org)
  • The virus spreads when an infected person breathes out droplets and very small particles that contain the virus. (healthvermont.gov)
  • These droplets and particles can be breathed in by other people or land on their eyes, noses, or mouth. (healthvermont.gov)
Concentrations7
  • ADMS 5 - Atmospheric Dispersion Modelling System (ADMS 5) is an advanced dispersion model developed in the United Kingdom for calculating concentrations of pollutants emitted both continuously from point, line, volume and area sources, or discretely from point sources. (wikipedia.org)
  • The dispersion module is a puff model that determines concentrations of carbon monoxide (CO) or other gaseous pollutants and particulate matter (PM) from vehicle emissions at receptors within 500 meters of the roadway intersections. (wikipedia.org)
  • ISC3 - A Gaussian model used to assess pollutant concentrations from a wide variety of sources associated with an industrial complex. (wikipedia.org)
  • ADMS 6 uses CERC's FLOWSTAR , to calculate how the mean airflow and turbulence and hence dispersion and pollutant concentrations are changed over complex terrain. (cerc.co.uk)
  • Also, powerful storms in spring or autumn, with great downwards air currents can lead to increased ozone concentrations at ground level. (irceline.be)
  • Moreover, it seeks to identify the percentages of the improved outdoor pollutants concentrations and the general air quality index. (rees-journal.org)
  • Collection and analysis of representative samples of air ingeneral work areas in order to determine the concentrations of any contaminants that are present. (niohenvis.nic.in)
Airborne5
  • This is the ideal solution for those who suffer from allergies to dust mites, pollen, pet dander, mold, and any airborne pollutant. (elementalairsystems.com)
  • The rise of the coronavirus has prompted business owners, government offices, and schools to reassess their air quality and to find potential ways to reduce the airborne spread of COVID-19. (sanalifewellness.com)
  • In general, finding a filter with a higher MERV rating will correlate to higher efficiency in capturing airborne particulate and pollutants. (sanalifewellness.com)
  • In the 1950s, HEPA filters were advertised as very efficient air filters, after being used in the 1940s in the USA' Manhattan Job to control airborne radioactive pollutants. (niltondeboni.com)
  • Plants are particularly sensitive to most airborne pollutants. (environmentalracismisgarbage.art)
Gaseous1
  • Concentration of a gaseous contaminants in air is coventionally expressed as the number of parts per million (ppm) and that of condensed contaminator (dust, droplets), in μg/m 3 . (thermopedia.com)
Persistent Organic Po1
Contaminants4
  • The system helps reduce signs and symptoms by getting rid of antagonistic air contaminants. (niltondeboni.com)
  • Air cleaners and a/c filters are designed to filter contaminants or impurities out of the air that passes thru them. (niltondeboni.com)
  • Air cleansing and also purification can help reduce air-borne contaminants, including bits containing viruses. (niltondeboni.com)
  • Building occupants face threats from numerous, naturally occurring biological contaminants that can be spread through the air, including viruses, bacteria, molds, toxins produced by bacteria/molds, and allergens such as pollen, pet dander, and pest droppings. (centerforhealthsecurity.org)
Atmospheric pollutants1
  • 1959. The physiological response of guinea pigs to atmospheric pollutants. (cdc.gov)
Nuclei1
  • 3,7 Average sizes for human-produced droplet nuclei are between 0.5 to 12 microns in diameter. (o2nosefilters.com)
Smog4
  • Smog results in grey air if solar radiations are less intense and smog formation is incomplete. (cyberpointsolution.com)
  • But in areas with intense solar radiations, photochemical smog results in formation of brown air. (cyberpointsolution.com)
  • Ozone (O 3 ) is another air pollutant which is a major component of photochemical smog which is formed from NOx, VOCs and oxygen in the presence of sunlight and heat. (biologydiscussion.com)
  • Incidence of respiratory symptoms and chronic disease in a non-smoking population as a function of long-term cumulative exposure to ambient air pollutants (Adventist health study of smog follow-up study). (cdc.gov)
Dispersion7
  • Atmospheric dispersion models are computer programs that use mathematical algorithms to simulate how pollutants in the ambient atmosphere disperse and, in some cases, how they react in the atmosphere. (wikipedia.org)
  • OCD - Offshore and coastal dispersion model (OCD) is a Gaussian model developed to determine the impact of offshore emissions from point, area or line sources on the air quality of coastal regions. (wikipedia.org)
  • ADAM - Air force dispersion assessment model (ADAM) is a modified box and Gaussian dispersion model which incorporates thermodynamics, chemistry, heat transfer, aerosol loading, and dense gas effects. (wikipedia.org)
  • DEGADIS - Dense gas dispersion (DEGADIS) is a model that simulates the dispersion at ground level of area source clouds of denser-than-air gases or aerosols released with zero momentum into the atmosphere over flat, level terrain. (wikipedia.org)
  • HOTMAC and RAPTAD - HOTMAC is a model for weather forecasting used in conjunction with RAPTAD which is a puff model for pollutant transport and dispersion. (wikipedia.org)
  • HYROAD - The hybrid roadway model integrates three individual modules simulating the pollutant emissions from vehicular traffic and the dispersion of those emissions. (wikipedia.org)
  • Aspects of the dispersion of denser-than-air vapours relevant to gas cloud explosions. (fz-juelich.de)
Atmosphere7
Emissions3
  • It has been estimated that human activities contribute only a fraction 10.05%) 01 total emissions into the air. (cyberpointsolution.com)
  • It has secondary pollutants, grey or yellowish brown, opaque, produced over towns or cities due to still air at high temperature emissions of oxides of nitrogen, volatile hydrocarbons, solar energy. (cyberpointsolution.com)
  • The southern hemisphere climate faces limited anthropogenic emissions, because only 10 percent of the world population can contribute with less pollutant providing activities, and hasn't changed, but that could well be because it is equally influenced and driven, like the northern hemisphere, by the variation of sun activity in diverse cycles. (scirp.org)
Dust3
  • Indoor dust is also one of the pollutants in the office. (olansiglobal.com)
  • In addition to the dust that does not clean up the accumulated dust during the regular period, there are air conditioners and photocopiers that cause indoor dust. (olansiglobal.com)
  • When copiers, air conditioners, etc. are working, they emit a kind of dust that people can't see with the naked eye. (olansiglobal.com)
Bacteria3
  • CFC, oxides of Pollen, spores, bacteria, cysts occur in air and may cause allergies and respiratory diseases sulphur and nitrogen. (cyberpointsolution.com)
  • No. 2014AP2990 ¶1 BLANCHARD, J. Patrick Connors alleges that a foundry where he had been employed negligently allowed bacteria to be dispersed or released into the air, that he inhaled some of these bacteria while visiting the foundry, and that this resulted in illness causing bodily injury. (justia.com)
  • Many bacteria, molds, and allergens are ubiquitous in the outdoor environment and can enter a building and spread throughout via the air handling system. (centerforhealthsecurity.org)
Particle5
  • They may be settled down where particle size is more than 10 μm or remain suspended in air when particle size is below 10 μm. (biologydiscussion.com)
  • Then we make use of a specialist particle counter to straight measure how well the purifiers remove the smoke from the air. (niltondeboni.com)
  • As for the real particle capture and air cycling rate, I depend on the certifications. (niltondeboni.com)
  • The air filter of the first air purifier is made of activated carbon filter cotton, which can effectively block large particle pollutants, hair and insects, adsorb toxic and harmful gases and oil mist in the air, effectively protect the HEPA filter and extend the HEPA filter. (olansiglobal.com)
  • The diameter of a spherical particle of unit density that has the same settling velocity in air as the particle in question. (niohenvis.nic.in)
Harmful5
  • These are released in air by nuclear explosions during war, these are harmful and may kill tissues of living organisms. (cyberpointsolution.com)
  • Day by day, the fresh air of the environment is getting polluted because of the mixing of particulates, biological molecules, and other harmful materials. (essaywriter.guru)
  • Smoke from burning buildings in Paradise, CA contained more harmful pollutants, such as flame retardants, plastics, and asbestos, than the smoke from the following forest fire. (healthybuildingscience.com)
  • Monitoring tropospheric ozone (O 3 ), a harmful pollutant negatively impacting human health, is primarily done using ground-based measurements and ozonesondes. (copernicus.org)
  • The air pollutants are not only dangerous to the health and wellbeing of plants, animals, and people, but they are also harmful to the environment as a significant contributor to recent climate change. (rees-journal.org)
Filtration10
  • Aspen is a high-performance air purifier with true HEPA and activated carbon filtration, high airflow, and exceptional efficiency. (elementalairsystems.com)
  • Air filtration technology with a high MERV rating can reduce the rate of COVID in the air. (sanalifewellness.com)
  • Therefore, implementing an air filtration system or air purifier can help these community-serving facilities reopen to the public during the ongoing pandemic. (sanalifewellness.com)
  • It's important to note that MERV and HEPA are two different types of air filters, although you've probably seen both related to air filtration. (sanalifewellness.com)
  • With the increase in air filtration provided by higher MERV ratings, there will also be a pressure drop, reducing airflow through the system and, therefore, more energy expenditure to keep up with the fan resistance. (sanalifewellness.com)
  • Some high-end filtration systems can take MERV 17 to 20, and those will be used in clean rooms, for radioactive and carcinogenic materials, and in facilities that manufacture pharmaceuticals. (sanalifewellness.com)
  • The top air filtration method is represented by a HEPA filter. (ushomefilter.com)
  • When it comes to air filtration, the True HEPA filter is the best option available. (ushomefilter.com)
  • Common applications of 3M's patented Advanced Electret Media filter technology include pulmonary units within healthcare institutions, HVAC systems, and air cabin filtration. (o2nosefilters.com)
  • Take into consideration making use of portable air cleaners to supplement boosted a/c system air flow as well as filtration, particularly in areas where sufficient air flow is tough to attain. (niltondeboni.com)
Nitrogen dioxide2
  • 1971. Fate of air pollutants: Removal of ethylene, sulfur dioxide, and nitrogen dioxide by soil. (cdc.gov)
  • For example, the level of nitrogen dioxide, a pollutant produced mainly through diesel vehicles linked to health damage, and particularly lung disease, due to long term exposure and experiences long-lasting respiratory strain, its capability to defend itself from infections is inadequate. (rees-journal.org)
Purifier13
  • One Aspen air purifier covers about 1,500 square feet (depending on a variety of factors) so 3 is optimal for homes from 2,500 - 4,500 square feet. (elementalairsystems.com)
  • HEPA filters can be found in air purifier system, vacuum cleaners, air conditioners, home air purifiers, dehumidifiers, humidifiers , ventilation systems, and other equipment that needs clean air for use in the home. (ushomefilter.com)
  • Whether you're trying to find an air purifier for a little room, big space or an entire home, browse through our shop and also find the ideal one for you. (niltondeboni.com)
  • We do not take into consideration clever performance a necessity due to the fact that our years of screening have confirmed that a great air purifier produces and also maintains exceptional air top quality simply when enabled to run continually on a moderate setup. (niltondeboni.com)
  • Honeywell Air Purifier efficiency is checked as a system with Honeywell Filters accomplishing the very best efficiency. (niltondeboni.com)
  • For those with allergic reactions, bronchial asthma as well as various other respiratory problems, an entire house air purifier is undoubtedly worth the cash. (niltondeboni.com)
  • I evaluated each air purifier on this checklist in my very own residence throughout multiple months, inspecting how each marketed function worked, examining the quantity as well as checking it for any functional troubles. (niltondeboni.com)
  • At this time, people often want to put an indoor best air purifier in the office to purify the indoor air. (olansiglobal.com)
  • So, what kind of air purifier is suitable for use in a small space like an office? (olansiglobal.com)
  • One of the most important data for an air purifier is the CADR value, which refers to how much clean air is output per hour. (olansiglobal.com)
  • In fact, you may wish to take a closer look at the CADR value of your home air purifier , which is a key indicator of the performance of the air purifier. (olansiglobal.com)
  • In addition, you can use this CADR value to calculate the area of ​​the air purifier as a reference. (olansiglobal.com)
  • It is recommended that the air purifier should be placed in the middle of the room to achieve the best effect without affecting the appearance of the home. (olansiglobal.com)
Gases3
Ventilation2
  • Air filters are technologies that are added to heating, ventilation, and air conditioning (HVAC) systems and used in portable devices to clean the air we breathe. (sanalifewellness.com)
  • The organization publishes recommendations on ventilation, air sampling and air concentration guidelines (threshold limit values or TLVS) designed to control exposure of workers to chemicals, noise and radiation in the workplace. (niohenvis.nic.in)
Particulate air2
  • HEPA, which stands for high-efficiency particulate air, is a highly absorbent media filter that meets the standards of HEPA . (sanalifewellness.com)
  • High-efficiency particulate air" is what HEPA stands for. (ushomefilter.com)
Ozone2
  • But you don't want to have people going off and doing things that involve large radioactive forgings, or programs that go on for extended periods or for that matter provide lots of reactive surfaces that could result in significant ozone destruction. (abovetopsecret.com)
  • Ozone in the lower air layer (the troposphere) at ground level is formed on hot days by the influence of sunlight (UV of ultraviolet light) on air polluted with nitrogen oxides and volatile organic compounds. (irceline.be)
Toxic1
  • For example, Arsenic emitted from coal and oil furnace and also from glass manufacturing units are directly delivered to air which is highly toxic. (biologydiscussion.com)
Sulfur2
  • One of the early predictions of this hypothesis was that there should be a sulfur compound made by organisms in the oceans that was stable enough against oxidation in water to allow its transfer to the air. (wattsupwiththat.com)
  • For example, sulfur dioxide causes spots due to acid droplets that remain on the leaves along with the dew or fog. (environmentalracismisgarbage.art)
Ambient air4
  • The plume visibility module uses the initial water content of the release and the humidity of the ambient air to determine whether the plume will be visible due to condensed water droplets at each downstream distance. (cerc.co.uk)
  • Standards are called National Ambient Air Quality Standards (NAAQS). (soilworks.com)
  • 1997. A longitudinal study of ambient air pollutants and the lung peak expiratory flow rates among asthmatic children in Hungary. (cdc.gov)
  • Ambient air usually means outdoor air (as opposed to indoor air). (niohenvis.nic.in)
Water12
  • This allows water and air into the embryo, embryo is made up of cotyledons, a plumule (embryonic (and a radicle (the embryonic root). (atikaschool.org)
  • These realities in the water, and in the air, ought to be known by anyone participating in cleanup and recovery operations anywhere in the Gulf. (marketoracle.co.uk)
  • If you consider the impact of carbon dioxide as the main driver, how to explain that the troposphere can have a global impact on climate change while it only contains 5% carbon dioxide and the other 95% consists of water (water vapour and water droplets). (scirp.org)
  • A global impact is numerically very doubtful, because the main absorption components are water vapour and water droplets ( Figure 1 ). (scirp.org)
  • Water vapor and cloud droplets are in fact the dominant atmospheric absorbers, and how these substances respond to climate forcings is a principal determinant of climate sensitivity, as discussed in Section 1. (nationalacademies.org)
  • The water cycle takes water vapor from the air with added air pollutants and turns it into water droplets for the oceans. (theinnovationdiaries.com)
  • This condensation effect, more prevalent at high humidity, can continue until contaminates trapped in the water, now a fog, mist, or larger droplets, fall to the earth. (o2nosefilters.com)
  • Weather modification dates back to the 1940's, when the General Electric Company demonstrated that a cloud of super-cooled water droplets could be transformed into ice crystals when seeded with dry ice. (abovetopsecret.com)
  • A Absolute humidity In a system of moist air, the ratio of the mass of water vapor to the total volume of the system. (dokumen.tips)
  • Olansi was founded in 2009, that focuses on research and development, design, production and sales of health and environmental protection equipment of household air purification, water purifiers, and hydrogen-rich water series. (olansiglobal.com)
  • Soils affect the food we eat, the water we drink, the air we breathe, our health and the health of all organisms on the planet. (environmentalracismisgarbage.art)
  • The food we eat, the water we drink, the air we breathe, our health and the health of all the organisms on the planet depend on healthy soil. (environmentalracismisgarbage.art)
Acid4
Gaussian1
  • It is a refined point source Gaussian air quality model for use in all stability conditions (i.e., all conditions of atmospheric turbulence) for complex terrain. (wikipedia.org)
ASHRAE1
  • MERV stands for Minimum Efficiency Reporting Values , and it is a test method developed by the American Society of Heating, Refrigerating, and Air Conditioning Engineers ( ASHRAE ). (sanalifewellness.com)
Viruses1
  • Directing the air flow to ensure that it does not blow straight from a single person to one more lowers the prospective spread of droplets that may have infectious viruses. (niltondeboni.com)
Breathe3
Spores1
Monitoring1
Sick building2
  • High-efficiency HVAC systems can improve indoor air quality (IAQ), improve workplace productivity, reduce sick building syndrome symptoms, and provide cleaner air environments in hospitals and industrial settings, among other places. (sanalifewellness.com)
  • 6-13 In addition, exposure to indoor biological air pollutants has been associated with "sick building syndrome," a set of non-specific symptoms that may include upper-respiratory irritative symptoms, headaches, fatigue, and rash, and "appear to be linked to time spent in a building, but no specific illness or cause can be identified. (centerforhealthsecurity.org)
Chemicals4
  • These are chemicals released in air with force as vapoure e.g. (cyberpointsolution.com)
  • IWave ® and NuShield ® Air Ionization Equipments are manufactured for and sold by Nu-Calgon, a leader in indoor air top quality and also specialty chemicals for the HVACR market. (niltondeboni.com)
  • Some crops pulled from the ground show signs of heavy metal contamination due to chemicals, pollutants, and other unnatural occurrences. (activerain.com)
  • While we all want to avoid heavy metals and chemicals in our foods, it is particularly important that babies not be exposed to such pollutants. (activerain.com)
Biological3
  • 6-13 The health effects associated with naturally occurring indoor biological air pollutants include disease, toxicoses, and hypersensitivity (i.e., allergic) diseases. (centerforhealthsecurity.org)
  • Indoor biological pollutants can find their way into and spread around buildings in varying ways depending on the contaminant. (centerforhealthsecurity.org)
  • this increases occupants' vulnerability to biological attacks and also can increase vulnerability to naturally occurring threats when the air intake is near a potential contamination source. (centerforhealthsecurity.org)
Indoor air qua2
Purifiers3
Lung1
  • 1997. Lung function and long term exposure to air pollutants in Switzerland. (cdc.gov)
Secondary1
Respirator5
  • A half-face elastomeric air-purifying respirator . (wikipedia.org)
  • Air-purifying respirators range from relatively inexpensive, single-use, disposable face masks sometimes referred to as a filtering facepiece respirator to a more robust reusable model with replaceable cartridges called an elastomeric respirator . (wikipedia.org)
  • Each time a wearer dons a respirator, they must perform a seal check to be sure that they have an airtight seal to the face so that air does not leak around the edges of the respirator. (wikipedia.org)
  • Elastomeric respirators are checked in a similar manner, except the wearer blocks the airways through the inlet valves (negative pressure check) or exhalation valves (positive pressure check) while observing the flexing of the respirator or air leakage. (wikipedia.org)
  • A respirator that is connected to a compressed breathing air source by a hose of small inside diameter. (niohenvis.nic.in)
Continuously1
  • The air is delivered continuously or intermittently in a sufficient volume to meet the wearer's breathing requirements. (niohenvis.nic.in)
Compounds1
  • As a result, it can be possible for scientists to use unique combinations of an element's radioactive isotopes as isotopic signatures through which compounds with that element can be traced. (wattsupwiththat.com)
HEPA3
  • The usage of HEPA filters is widespread in equipment that needs to filter air or filters air. (ushomefilter.com)
  • When thinking of air filter maintenance by no means is it impossible to wash the HEPA filter. (ushomefilter.com)
  • HEPA filters in combination with various other filters like odor filters and also chemical filters give the needed air quality for those who have allergic reactions. (niltondeboni.com)
Assess1
  • Therefore, this article aims to assess air quality impacts in the Ajman Emirates during the lockdown when social distancing was implemented, and human activities were significantly eliminated. (rees-journal.org)
Indirect2
  • Studies showed that SARS CoV is a stable virus that may potentially be transmitted by indirect contact or fomites, especially in air-conditioned environments [ 2 ]. (rees-journal.org)
  • Personal protective equipment (PPE) and infection control guidelines from the WHO are based on the assumption that the primary mechanism of transmission of SARS-CoV-2 is direct and indirect droplet spread as well as fomite transmission [ 3 ]. (biomedcentral.com)
Pesticides1
Liquid1
Contamination1
  • The aim of this systematic review was to evaluate the effect of powered air-purifying respirators (PAPRs) as part of respiratory protection versus another device (egN95/FFP2) on HCW infection rates and contamination. (biomedcentral.com)