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High radon levels in a Minnesota (USA) basement with a passive under slab vent pipe system can be seen in the left half of the graph. After installation of a radon fan (ASD), a permanent reduction in radon levels to approximately 0.6 pCi/L can be seen in the right half of the graph. The most common approach is active soil depressurization (ASD).
Installing sub-membrane depressurization radon mitigation systems, which vacuum radon from under a membrane that covers the ground used in crawlspace foundations; Installing a radon sump system in the basement; Sealing floors and walls (not a stand-alone solution); and; Installing a positive pressurization or positive supply ventilation system.
Radon has been produced commercially for use in radiation therapy, but for the most part has been replaced by radionuclides made in particle accelerators and nuclear reactors. Radon has been used in implantable seeds, made of gold or glass, primarily used to treat cancers, known as brachytherapy. The gold seeds were produced by filling a long ...
The Fort Worth Nature Center & Refuge is a nature center located between Lakeside and Lake Worth, Texas within Fort Worth, Texas, United States city limits. It consists of prairies, forests, and wetlands. The nature center offers a glimpse of what the Dallas–Fort Worth metroplex looked like before settlement. The center covers 3,621 acres ...
The U.S. Military Working Dog Teams National Monument is a monument to military working dogs located at Joint Base San Antonio (JBSA)-Lackland in San Antonio, Texas.The monument represents handlers, dogs, and veterinary support, from all military service branches (Army, Marines, Navy, Air Force, and Coast Guard) that have made up the Military Working Dog program since World War II.
Membrane technology encompasses the scientific processes used in the construction and application of membranes. Membranes are used to facilitate the transport or ...
About 300 pacemakers are implanted in dogs each year, even though about 4000 dogs are in need of one. [6] There are no pacemakers made specifically for use in dogs, but human pacemaker users are often outlasted by their pacemakers, leaving behind a functioning pacemaker with less battery power left than a new pacemaker which could be implanted ...
The Botanical Research Institute of Texas (BRIT) is a botanical research institute located in Fort Worth, Texas, United States.It was established in 1987 for the herbarium and botanical library collections of Lloyd H. Shinners from Southern Methodist University but has subsequently expanded substantially.