respirable वाक्य
उदाहरण वाक्य
मोबाइल
- Pre weighted filter and matched weight filters made from polyvinyl chloride or mixed cellulose ester are suitable for respirable dust ( less than 10 micrometers in diameter ).
- Repace found an average level of respirable particles of 231 micrograms, or millionths of a gram, per cubic meter of air in the eight nightspots in Delaware.
- The ascospores, at 1.5 2.0 �m, are among the smallest reproductive particles produced by fungi, and are within the respirable size range.
- "' Respirable "'dust is sampled using a cyclone dust sampler design to sample for a specific fraction of dust AED at a set flow rate.
- British Coal failed to take all reasonable steps to minimize the creation and dispersion of respirable dust . . . from about 1949 to 1970 and to a lesser extent thereafter,
- Mine Safety Appliances in Pittsburgh won a $ 1.5 million contract from the Mine Safety & Health Administration in Denver, Colo ., for respirable dust filter assemblies.
- Silicosis is due to deposition of fine respirable dust ( less than 10 micrometers in diameter ) containing crystalline silicon dioxide in the form of alpha-quartz, cristobalite, or tridymite.
- For example, on 19 and 20 November 2006, roadside levels of respirable suspended particulates ( RSPs equivalent to PM 10 ) exceeded the WHO guidelines by at least 300 %.
- The respirable crystalline silica are particles less than 10 microns ( micrometers ), which are small enough to enter the part of the lungs were oxygen and carbon dioxide gases are exchanged.
- Acting Assistant Director of Environmental Protection ( Air ) Leung Pak-ming said that due to persistent low winds, the levels of nitrogen dioxide and respirable suspended particles had started to accumulate.
- By use of inhalable, respirable or other suitable sampler ( 7 hole, 5 hole, et cetera ) these dust sampling methods can also used to determine metal exposure in the air.
- An EPD spokesman added : " Due to the persistent low wind conditions, the levels of nitrogen dioxide and respirable suspended particulates started to accumulate as from last evening and did not disperse.
- A substantial advance was achieved with the measurement of exposure by weighing the dust collected by MRE 113a respirable dust samplers, which were invented specifically for the research by Henry Walton and Robert Hamilton.
- His detectors measured two substances blamed for tobacco-related cancers : a group of chemicals called particulate polycyclic aromatic hydrocarbons, or PPAHs, and respirable particles _ airborne soot small enough to penetrate the lungs.
- His research included hazardous experiments to test life jackets ( immersing E A Pask in a wave tank while anaesthetised ), the provision of respirable atmospheres in submarines and survival during parachute descent from high altitudes.
- They prescribed permitted amounts of respirable dust at workplaces in coal mines as well as arrangements for the suppression and continuous sampling of dust, and they include a scheme for the medical supervision of workers at risk.
- According to NIOSH and OSHA, a combination of engineering controls, protective personal equipment, safety education, alternative proppant, and work site safety practices are the key to protecting workers from respirable crystalline silica exposure.
- "I'm not prepared to tell you today the range of potential actors who could have created as pure and as concentrated and as respirable an anthrax as we are working on and investigating now,"
- They form on individual short stalks and readily become airborne when the colony is disturbed; their size places them well within the respirable size range for particles, meaning that they can deposit deeply in the lungs when inhaled.
- India's Central Pollution Control Board now routinely monitors four air pollutants namely sulphur dioxide ( SO2 ), oxides of nitrogen ( NOx ), suspended particulate matter ( SPM ) and respirable particulate matter ( PM10 ).
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