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结合我旗的自然资源进行生物教学

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作者 张湘萍
出处 《生物学通报》 北大核心 2000年第8期33-33,共1页 Bulletin of Biology
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  • 2张祉佑.制冷原理与设备[M].北京:机械工业出版社,1986..
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  • 7O' Neal D L, Peterson K T, Anand N K. Effect of short-tube orifice size on the performance of an air source heat pump during the reverse-cycle defrost [J].Int J Refrig, 1991,14(7). 52-57.
  • 8A1- Mutawa, Nawaf K. Sherif, S A. Analytical model for hot -gas defrosting a cylindrical coil cooler: Part Ⅱ - model results and conchusions [C] .ASHRAE Tranactions. v 104 n Pt 1B 1996. ASHRAE, Atlanta, GA, USA.
  • 9A1- Mutawa, Nawaf K. Sherif, S A. Analytical model for hotgas defrosting of a cylindrical coil cooler: PartI - model development [C]. ASHRAE Transactions. v 104 n Pt 1B 1998.ASHRAE, Atlanta, GA, USA.
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