摘要：“纯真之眼”艺术展示周活动是属于儿童美育的“纯真之旅”,旨在通过师幼共同思考、创设、布展、展示等形式,以艺术领域为突破口,融合五大领域,引领幼儿发现美、感受美、表现美。本文以江西省直第二幼儿园“‘纯真之眼’艺术展示周”活动为例,结合教学实践,从理念、内容、方法等不同角度阐述幼儿美育路径研究与实施的有效策略。

摘要：本文提出了一种基于深度学习的超材料Fano共振设计方法,能够获得高Q共振的线宽、振幅和光谱位置特性。利用深度神经网络建立结构参数和透射谱曲线之间的映射,正向网络实现对透射谱的预测,逆向网络实现对高Q共振按需设计,设计过程中实现了低均方误差(MSE),训练集的均方误差为0.007。与传统方法需要耗时的逐个数值模拟相比,深度学习设计方法大大简化了设计过程,实现了高效、快速的设计目标。对Fano共振的设计也可推广应用到其它类型的超材料的自动逆向设计,显著提高了更复杂的超材料设计的可行性。

摘要：Ethaselen, an organoselenium compound designed and synthesized in the School of Pharmaceutical Sciences, Peking University, has been entitled to independent intellectual property rights both at home and abroad. As one of the novel antitumor drugs, ethaselen has been extensively studied in Phase I clinical trial, and its biological target is thioredoxin reductase. In this review, we focus on the ethaselen＇s efficacy and pharmacological actions, including antitumor effects both in vitro and in vivo, and immunologic functions. These research findings not only provide the theoretical basis for the anticancer study of ethaselen, but also guide the clinical trial of ethaselen.