论文部分内容阅读
基于当代教育背景下在初中化学教学中的几点思考
【出 处】
:
读书文摘
【发表日期】
:
2017年25期
其他文献
,Fabrication of 16 W all-normal-dispersion mode-locked Yb-doped rod-type fiber laser with large-mode
A mode-locked ytterbium-doped rod-type fiber laser with 85 μm core diameter is developed based on the nonlinear polarization evolution in an all-normal-dispers
,Synchronization transition of a coupled system composed of neurons with coexisting behaviors near a