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In certain cases one of these steps (i.e., nuclear import or nuclear export) is regulated, often by post-translational modifications. Nuclear import limits the propagation of large proteins expressed in skeletal muscle fibers and possibly other syncytial tissues, maintaining localized gene expression in certain nuclei. [ 7 ]
A nuclear flask is a shipping container that is used to transport active nuclear materials between nuclear power station and spent fuel reprocessing facilities. Each shipping container is designed to maintain its integrity under normal transportation conditions and during hypothetical accident conditions.
Neutron transport (also known as neutronics) is the study of the motions and interactions of neutrons with materials. Nuclear scientists and engineers often need to know where neutrons are in an apparatus, in what direction they are going, and how quickly they are moving.
The Office of Secure Transportation (OST) is a highly-specialized law enforcement division of the National Nuclear Security Administration within the United States Department of Energy. The OST's mission is to provide safe and secure transportation of nuclear weapons and components and special nuclear materials and conduct other missions in ...
Defence Nuclear Materials are moved using the following transport means: Trident nuclear weapons, special nuclear material (SNM) and new submarine reactor fuel are transported by road. Used reactor fuel from Royal Navy submarines is transported by rail (and may involve a short road journey to the railhead). Special nuclear material is also ...
Dry cask storage is a method of storing high-level radioactive waste, such as spent nuclear fuel that has already been cooled in a spent fuel pool for at least one year and often as much as ten years. [1] [2] Casks are typically steel cylinders that are either welded or bolted closed. The fuel rods inside are surrounded by inert gas. Ideally ...
A Safeguards Transporter (SGT) is a truck developed for and used by the National Nuclear Security Administration (NNSA), a semi-autonomous affiliate agency of the United States Department of Energy, for the ground transport of nuclear weapons in the contiguous United States. SGTs' trailers are known as Safe Secure Trailers (SST).
Since nuclear materials are radioactive, it is important to ensure that radiation exposure of those involved in the transport of such materials and of the general public along transport routes is limited. Packaging for nuclear materials includes, where appropriate, shielding to reduce potential radiation exposures. In the case of some materials ...