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生物多孔材料干燥过程中组织非稳态收缩(Transient Shrinkage of Tissue of Bio-porous Material during Dehydration)
豌豆 生物多孔材料 非稳态收缩
2009/9/25
根据颗粒体积收缩和平均湿度的变化规律,提出了生物多孔材料干燥组织非稳态收缩的递推模型。利用该模型对40℃热空气干燥下的豌豆各单元层边界半径变化、收缩位移及各层组织的收缩量变化进行了计算。计算结果表明:豌豆在干燥过程中随着湿分的对外迁移、湿度降低,豌豆组织收缩并不是由外向内同步收缩,而是先失去水分的外部先收缩,没有失水的部位不收缩。同时,与内部相比,外部失水较多,收缩幅度也较大。
Sterility in Rice (Oryza Sativa L.) Subject to Drought during the Booting Stage Occurs not because of Lack of Assimilate or of Water Deficit in the Shoot but because of Dehydration of the Root Zone
Booting stage Degeneration of spikelet Dehydration Drought Oryza sativa L
2009/7/30
In rice plants a drought at the booting stage is the event most damaging to grain yield because it drastically increases sterility. Our objective was to establish what phosiological processes caused s...