“重述”的谬误——论《屈原》的发表与“弦外音”的发现

在宏大历史书写下,历史剧《屈原》的"细部"发掘以及相关史料的甄别与考辨工作还十分匮乏。《屈原》的主题并非不证自明,而是"联想多于影射",容纳着可供多元阐释的空间。在历史重述中,《屈原》的主题被日益简化,在彰显鲜明斗争性的同时,也遮蔽了特殊历史语境下历史剧创作的隐晦性与策略性,《屈原》蕴藉深意的政治主题,正是在国共双方的博弈中得以最终凸显。     

浅谈博物馆讲解的语言运用

讲解,是博物馆宣传教育工作的一个重要组成部分,它具有社会实用价值和审美价值,要实现其价值,就首先要实现讲解的美,而讲解的美重点在语言。讲解语言包括有声语言和无声语言,两者在讲解中分别起着重要作用和辅助作用。讲解过程中要用标准的普通话,在语言技巧的运用中应利用语言的停顿、重音、句调、语调等变化,增强语言表达效果。     

Science Letters:Filament geometrical model and nozzle trajectory analysis in the fused deposition modeling process

The geometrical model of the filament during the fused deposition modeling (FDM) process was firstly proposed based on three different models, tractrix, parabola, and catenary. Comparing with the actual measured filament curves on the Stratasys 1600 FDM machine, it is indicated that the tractrix model had the best agreement with the actual measured curves. With the analytical simulation, the nozzle trajectories in the straight-line deposition road, circle road, and arbitrary continuous curve road were deduced, according to the traxtric based geometrical model of the filament.     

ZnSe2和Zn2Se团簇几何结构、稳定性及电子结构特性的研究

采用密度泛涵DFT中的BLYP方法,利用DND数值基函数组,对ZnSe2和Zn2Se团簇的可能结构分别进行优化,得到了他们的低能态平衡结构,并计算了结合能和振动频率等物理量．分析了两种团簇的稳定性,发现ZnSe2团簇的稳定结构的结合能比Zn2Se团簇的大,意味着从能量的角度ZnSe2团簇更稳定．同时分析了两种团簇的最高占据轨道与最低轨道之间形成的能级间隙,得出两种团簇均具有导电性,且ZnSe2的导电性比Zn2Se的导电性强．     

从石膏像写生析素描造型能力

素描造型能力是每一个习画者必须具备的一种能力,如何提高素描造型能力更是绘画者一生的任务。文章以石膏像素描写生方法的两个阶段为例进行分析和阐述,从而得出提高素描造型能力的规律,即观察、思维、认识和表现相结合。     

多种梁拱曲线的计算机模拟拟合

在常用的直线法作梁拱曲线的基础上,本文进行了包括直线法、半圆法及全圆法3种船用梁拱曲线几何作图所需特定点公式的推导,列出计算机模拟拟合所需系数公式,进行程序设计及计算机绘图。     

Influences on Students' Mathematical Reasoning and Patterns in its Development: Insights from a Longitudinal Study with Particular Reference to Geometry

We report some findings of the Longitudinal Proof Project, which investigated patterns in high-attaining students' mathematical reasoning in algebra and in geometry and development in their reasoning, by analyses of students' responses to three annual proof tests. The paper focuses on students' responses to one non-standard geometry item. It reports how the distribution of responses to this item changed over time with some moderate progress that suggests a cognitive shift from perceptual to geometrical reasoning. However, we also note that many students made little or no progress and some regressed. Extracts from student interviews indicate that the source of this variation from the overall trend stems from the shift over the three years of the study to a more formal approach in the school geometry curriculum for high-attaining students, and the effects of this shift on what students interpreted as the didactical demands of the item.     

利用楔角测量薄介质折射率

介绍通过几何光学方法,利用楔角测量薄介质折射率,该方法具有简单快速的特点。     

性灵熔匠文章府群言渊铄说拉康

法国拉康的后精神分析学理论在中国的研究中跨越了学科界限,在文学理论、哲学和心理学等领域都引起一定反响。拉康精神分析的成功与其后的结构主义哲学观念有密切关系,中国的拉康研究中这一特点尤为显著,其中应用性的阐发研究取得一定成就,而理论阐释方面,以拉康理论与其他理论的结合性阐发最具有创新性。文章提出了关于拉康研究中三个重要范畴的深化与探索的看法,并且对尚存的欠缺之处进行了梳理。