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136 Current news about the topic reactors

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US nuclear regulators greatly underestimate potential for nuclear disaster

29-May-2017

The U.S. Nuclear Regulatory Commission (NRC) relied on faulty analysis to justify its refusal to adopt a critical measure for protecting Americans from the occurrence of a catastrophic nuclear-waste fire at any one of dozens of reactor sites around the country, according to an article in the May ...

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Lithium oxide on tokamak walls can improve plasma performance

23-May-2017

Lithium compounds improve plasma performance in fusion devices just as well as pure lithium does, a team of physicists at the U.S. Department of Energy's (DOE) Princeton Plasma Physics Laboratory (PPPL) has found. The research was conducted by former Princeton University physics graduate student ...

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Coatings for nuclear fuel preventing explosions in reactors

Protective titanium nitride-based coatings will be a barrier protecting zirconium fuel rods

18-May-2017

Physicists from Tomsk Polytechnic University are creating protective titanium nitride-based coatings for shells of fuel elements (fuel rods) of nuclear reactors. Such shells can significantly reduce hydrogenation of containers in which nuclear fuel is placed, extend their service life and protect ...

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Further understanding of a process that causes heat loss in fusion devices

11-Apr-2017

Everyone knows that the game of billiards involves balls careening off the sides of a pool table — but few people may know that the same principle applies to fusion reactions. How charged particles like electrons and atomic nuclei that make up plasma interact with the walls of doughnut-shaped ...

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System automatically detects cracks in nuclear power plants

20-Feb-2017

A new automated system detects cracks in the steel components of nuclear power plants and has been shown to be more accurate than other automated systems. "Periodic inspection of the components of nuclear power plants is important to avoid accidents and ensure safe operation," said Mohammad R. ...

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Researchers successfully test device that analyzes components within a vacuum

12-Sep-2016

Physicists at the U.S. Department of Energy's (DOE) Princeton Plasma Physics Laboratory (PPPL) have successfully tested a new device that will lead to a better understanding of the interactions between ultrahot plasma contained within fusion facilities and the materials inside those facilities. ...

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Spherical tokamaks could provide path to limitless fusion energy

29-Aug-2016

Creating "a star in a jar" - replicating on Earth the way the sun and stars create energy through fusion - requires a "jar" that can contain superhot plasma and is low-cost enough to be built around the world. Such a device would provide humankind with near limitless energy, ending dependence on ...

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Novel Mesoscale Segmented Flow Reactor

29-Aug-2016

In an ideal flow crystallizer, nucleation and growth occur at the same location and rate for a given set of parameters. Particles are well suspended with good mixing throughout the reactor, while plug flow is achieved. However until recently traditional flow crystallizers have been either ...

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Rice's 'antenna-reactor' catalysts offer best of both worlds

20-Jul-2016

In a find that could transform some of the world's most energy-intensive manufacturing processes, researchers at Rice University's Laboratory for Nanophotonics have unveiled a new method for uniting light-capturing photonic nanomaterials and high-efficiency metal catalysts. Each year, chemical ...

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New 3-D printed polymer can convert methane to methanol

17-Jun-2016

Lawrence Livermore National Laboratory scientists have combined biology and 3-D printing to create the first reactor that can continuously produce methanol from methane at room temperature and pressure. The team removed enzymes from methanotrophs, bacteria that eat methane, and mixed them with ...

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