摘要：A new general optimal principle of designing explicit finite difference method was obtained. Several applied cases were put forward to explain the uses of the principle. The validity of the principal was tested by a numeric example.

摘要：A predict_correct projection method is presented for solving monotone variant variational inequalities, which could exploit the advantages and overcome the difficulties of both explicit and implicit projection methods.

摘要：Let M be a convex Chebyshev subset of a uniformly convex and uniformly smooth Banach *** is proved that the metric projection P_M of X onto M is uniformly continu- ous on every bounded subset of ***,a global and explicit estimate on the modulus of continuity of the metric projection is obtained.

摘要：Implicit knowledge acquisition is the goal of second language (L2) learning. Ellis (2006;2009) argues that it is implicit rather than explicit knowledge which underlines linguistic competence reflected in actual speech production and comprehension. Thus, this review aims to elucidatethe theoretical nature of implicit and explicit linguistics knowledge and how these types of knowledge are distinguished in terms of their representation and processing in use. The overall goal is to make the understanding of implicit knowledge easier to a wide audience of L2 researchers, especially those who are not interested in the absence of awareness of the target feature to be learnt at the point of learning.

摘要：核物质包装体是一种核废料存储和运输的专用设备,在放射性核物质存储和运输的过程中,安全问题尤为重要。因此核物质包装体不仅要具有屏蔽射线的作用,还需要能够吸收冲击能量、保持结构稳定性,避免结构变形、破损等由破坏形式引起的核辐射泄漏。根据相关规定和标准,运用ANSYS Workbench的explicit dynamic模块,对核物质包装体的跌落过程进行了分析研究,结合数值模拟结果分析了核物质包装体的应力以及应变,并采用合适的评价准则对结果进行评价,验证了结构和结构强度满足设计需求。