Standard test method for quantitatively measuring the effect of thermal shock and thermal cycling on refractories 耐火材料热冲击效应和热循环效应定量测量的标准试验方法
2.
The theory of economic development was introduced into the research of agricultural mechanization . it is stated that the process of agricultural mechanization is a process of technique progress and metabolism . an investment in the mechanization will result in an internal increment 将现代经济增长理论引入农业机械化发展研究，提出农业机械化过程是技术进步和新陈代谢过程，对农业机械化投入将产生内生增长的良性循环效应，产生收益递增，从而提高农业的竞争能力。
