全生态农业理论认为，可开发水资源存在于水循环的全过程之中。
Full ecological agriculture theory considers that water resources available for exploitation development exists in the all process of water circulation.
通过建立全氢罩式退火炉炉内传热过程的数学模型，并经过实测验证后，分析了循环风量与退火时间的关系。
A mathematical model for heat transfer process in HPH furnace was established and verified, then applied to analysis of the relationship between gas flow rate and annealing time.
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