GENERALIZED NOETHER’S THEOREM OF NONHOLONOMIC NONPOTENTIAL SYSTEM IN NONINERTIAL REFERENCE FRAMES

The new Lagrangian of the relative motion of mechanical system is constructed, the varialional principles oj Jourdain's form of nonlinear nonlwlonomic nonpotential system in noninertial reference frame are established, the generalized Noether's theorem of the system above is presented and proved, and the conserved quantities of system are studied.

英国TRaME战术辐射检测装备

为配合美英联军攻打伊拉克的行动，英国国防部以约8百万英镑采购了一种全套式辐射探测装置——TRaME战术辐射检测装置，提前2年半装备部队。TRaME的全部功能包括核辐射监测、探测和记录，还能够评估辐射环境对当前任务的风险。