2023-08-16【天然铀】IAEA:什么是天然铀? Uranium is a naturally occurring radioactive element, which has the atomic number of 92 and corresponds to the chemical symbol U in the periodic table. It belongs to a special group of elements called “actinides” — elements that were discovered relat...
In the context of our hybrid twin framework, the symbol B is used to represent the variable associated with the element of residual gap. The subscripts 𝑡−1t−1 and t signify two consecutive time steps. The essence of our methodology aims to model the rate of change of residual gap ...