不其簋铭文“永追”考

一直以来,学界都把“戎大同永追女”认定为是“戎大同从追女”之误,且是个偏正结构。笔者认为“永追”是个连动结构,其意义是向前行进而追杀。“永”的意义是与“追”紧密相连的。本文从“永”的字形、意义出发,讨论“永”和“从”的音义相关性,兼谈了“追”所涉及的结构。

Permanent deformation and deformation compliance of guss-asphalt for orthotropic steel deck plate surfacing

Indentation test and bending test were adopted to investigate permanent deformation and deformation compliance of guss-asphalt for orthotropic steel deck plate. Factors of mastic Epure content, fine to coarse aggregate proportion, temperature and loading pressure were investigated. It is pointed out that mastic Epure content, temperature and loading pressure are the main factors influencing permanent deformation of guss-asphalt; fine to coarse aggregate proportion influences its maximum bending strain and crack energy at low temperature. The results indicate that there exists an optimum mastic Epure content, and a critical operation temperature as well as a critical loading pressure for guss-asphalt in operation.

高中生物教学中开展自主学习的探索

从我国近年来的科学教育改革看，高中各科的课程改革都一致地把培养科学素养作为最重要的指导理念，高中阶段新的课程标准按照这一教育理念来制订课程教育的目标和选择教育内容。生物学是通过研究不同种类的生物体的形态结构、生理功能、生长发育和繁殖，研究不同生物的遗传、变异、进化及其与环境的相互作用等，来认识生命现象和生命活动规律的，因此从创新角度入手，通过实践探索，创设一种宽松、和谐的自主学习氛围．是本文要论述的重点。