通过指导同学们实现讲过思路的的程序，引导同学提出问题，分析问题，画出流程

环境资源价值的认识 一、环境价值是环境经济学的核心问题 二、传统价值观 三、没有劳动参与的东西没有价值

一、外部性理论 二、公共物品经济学

一、复习 二、观察分析忍考 三、引入新课内容

Effect of environmental factors on growth Water availability, pH, temperature, oxygen concentration, pressure, radiation, and a number of other environmental factors influence microbial growth. Yet many microorganisms, and particularly bacteria, have managed to adapt and flourish under environmental extremes that would destroy most organisms

1.1 研究内容 1.2 发展历史 1.3 应用举例 1.4 当前研究动态

Chapter 10 Microbial Ecology 10.1 Microorganisms in nature ecosystem 10.2 Microbial population interactions 10.3 Biogeochemical cycles 10.4 Plant-microbe interactions 10.5 Bioremediation

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Control of microorganisms by physical and chemical agents frequently used terms Sterilization: the process by which all living cells, viable spores, virus, and viroids are either destroyed or removed from an object or habitat

一、微生物的纯培养技术。 1、 分离菌种： 2、 培养：移接至斜面