新精神活性物质犯罪在司法适用中的若干困境及其应对

通过对新精神活性物质的管制现状进行研究,发现有关新精神活性物质的犯罪在司法适用中遭遇诸多困境,例如:认定标准不一,挑战罪刑法定,管制模式单一,监测、检测和论证评估机制缺失,量刑评价标准不清晰等。为应对这些困境,建议确立新精神活性物质的“四性”认定标准,完善管制立法,创新多模式联合管制,实行新精神活性物质信息库追踪、化学品量大实名备案登记制度等联动监测机制、采取新精神活性物质依赖性或成瘾性等价换算制度,以实现对新精神活性物质犯罪的准确定罪量刑。

Existence and Uniqueness Results for Quaternion-Valued Nonlinear Impulsive Differential Systems

This paper studies the existence and uniqueness conditions for the quaternion-valued non-linear impulsive system. Firstly, a space of quaternion-valued piecewise functions is constructed and completeness of the space is also proved. Then by taking advantage of the Bielecki norm and fixed point theorem, existence and uniqueness criteria of quaternion-valued nonlinear impulsive system are obtained. At last, an example is given to illustrate our theoretical results.