According to foreign media reports, researchers have discovered that bacteria living underground can help us solve the problem of nuclear waste disposal. Researchers have discovered these bacteria that can survive under harsh conditions at the nuclear waste disposal site. These microorganisms are able to use ISA as a food and energy source under conditions that simulate the conditions inside and around nuclear waste disposal sites. Although further research is needed, this microbe may help us clean up the types of nuclear waste that are likely to enter the river or human food chain.
This is the staff working at Hanford Nuclear Power Station.
Nuclear energy is increasingly seen as a source of energy for the future, but one of the problems facing the use of nuclear energy is the disposal of nuclear waste. One of the ways to deal with nuclear waste is to collect a large amount of nuclear waste and bury it deep underground.
Nuclear waste is wrapped in concrete and placed in underground warehouses. But as time progresses, groundwater will eventually come into contact with waste. This will cause the cement to react and the water will become highly alkaline. This change will prompt a series of chemical reactions that will lead to decomposition of various substances in the waste.
One of the products of this series of reactions is iso-sugar acid (hereinafter abbreviated as ISA), causing scientists to worry that this material can react with nuclear unstable elements and radioactive waste containing nuclear waste. If ISA binds to these radionuclides, they become soluble and can flow out of the ground into the surface environment. This concern is the starting point for scientists looking for solutions that can help solve the problem of spillage of nuclear waste. By studying a highly alkaline industrial base in Pico, UK, scientists have discovered a candidate microorganism called Ancylobacter aquaticus.
These microorganisms are able to use ISA as a food and energy source under conditions that simulate the conditions inside and around nuclear waste disposal sites. Although further research is needed, this microbe may help us clean up the types of nuclear waste that are likely to enter the river or human food chain. The study was conducted at the University of Manchester in the United Kingdom. These findings have been published in the journal “Microbiology Ecologyâ€. The name of the paper is “Microbiological degradation of iso-suic acid at high pHâ€.
A typical version of an overhead garage door used in the past would have been built as a one-piece panel.The panel was mounted on each side with unequal parallelogram style hinge lifting mechanism. Newer versions of overhead garage doors are now generally built from several panels hinged together that roll along a system of tracks guided by rollers. The door is balanced by either a torsion spring system or a pair of extension springs.A remote controlled motorized mechanism for opening garage doors adds convenience, safety, and security
• Aluminum garage doors are low-cost, light, rust-proof, and feature low-maintenance. They are prone to denting because aluminum is not strong and they are energy-inefficient since aluminum is a highly conductivematerial.
• Fiberglass and vinyl garage doors are composite units, combining a steel core behind a fiberglass or vinyl skin. They have also polyurethane insulated base sections, or other type of foam insulation. These premium doors can match steel garage doors, and be a realistic imitation of wood (namely fiberglass units), but they may be more expensive than steel units.
• Steel doors have become common and are available in a variety of sizes and styles, provide strength and security, are cost-competitive, and may have optional insulating value. Extra strength is available with two or three layers of galvanized steel with a low gauge number (23-24 gauge steel panels).
• Wood garage doors offer aesthetic appeal, but they are high-maintenance and may be expensive. Low-priced wood garage doors may warp and break easily.
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