Fabric Filters (also called baghouses and bagfilters) are air pollution control devices that remove particulate matter from a gas stream by passing the dirty air through a layer of cloth. The particulate matter deposits on the cloth surface and the clean air passes through. Of all the air pollution control technologies, fabric filters are the predominant particulate removal device used in industrial processes today. Fabric Filter bags
High-energy electromagnetic waves (x-rays, gamma rays)
Particles (alpha particles, beta particles, neutrons)
Alpha particles are energetic helium nuclei emitted by some radionuclides with high atomic numbers (eg, plutonium, radium, uranium); they cannot penetrate skin beyond a shallow depth (< 0.1 mm).
Beta particles are high-energy electrons that are emitted from the nuclei of unstable atoms (eg, cesium-137, iodine-131). These particles can penetrate more deeply into skin (1 to 2 cm) and cause both epithelial and subepithelial damage.
Neutrons are electrically neutral particles emitted by a few radionuclides (eg, californium-252) and produced in nuclear fission reactions (eg, in nuclear reactors); their depth of tissue penetration varies from a few millimeters to several tens of centimeters, depending on their energy. They collide with the nuclei of stable atoms, resulting in emission of energetic protons, alpha and beta particles, and gamma radiation.
Gamma radiation and x-rays are electromagnetic radiation (ie, photons) of very short wavelength that can penetrate deeply into tissue (many centimeters). While some photons deposit all their energy in the body, other photons of the same energy may only deposit a fraction of their energy and others may pass completely through the body without interacting.
Because of these characteristics, alpha and beta particles cause the most damage when the radioactive atoms that emit them are within the body (internal contamination) or, in the case of beta-emitters, directly on the body; only tissue in close proximity to the radionuclide is affected. Gamma rays and x-rays can cause damage distant from their source and are typically responsible for acute radiation syndromes (ARS—see Radiation Exposure and Contamination : Acute radiation syndromes (ARS)).
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It was a Procharger and a Porshe 991 on the road racing each other. Then suddenly comes a sleeper car out of nowhere and passes both the exotic cars. Watch the full fun.
Plan Schedule Management is the process of establishing the policies, procedures, and documentation for planning, developing, managing, executing, and controlling the project schedule.
In this 24mins PMP webinar session, Dr. Jimmie Flores explains how to approach the PMP Certification course and successfully pass the PMP exam and got PMP Certification on the first try. Stay connected to gain more insight on how to pass PMP exam on the first try and became an PMP Certified Professional.
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What an incredible pass with a header!!! Very cool!
Away from home for a year in a different country...you find some interesting ways to pass the time!
Poor kid passes out comely, knowing that he's surrounded with his good friends. Well, think again!
A nice pass during this amaizing football game
How can you miss with such a great pass!!!!
Amazing long pass and catch.
supersonic pass by Blue Angel #5 at the NAS Oceana 2006 air show
The last pass of the F/A-18F Super Hornet at AirFest 2006 held at NASJRB Willow Grove, PA. Thank the aircrew, Lt Blaine "Rock" Tompkins and Lt. Matt "Sicko" Bernhard for the noise!
Ronaldo Chesting the Ball Down and Smart Pass