冻融时水分迁移,冻融时水分迁移,dongrong shi shuifen qianyi,迁移,dongrong,冻融时,qianyi,shuifen,shi,[拼音]:dongrong shi shuifen qianyi[外文]:moisture migration during freezing and thawing冻融时土中水由势...
土壤水分,土壤水分,turang shuifen,土壤,turang,shuifen,[拼音]:turang shuifen[外文]:soil moisture保持在土壤孔隙中的水分,又称土壤湿度。通常是把土样放在电烘箱内烘干(温度控制在105~110℃)后能从土壤孔隙中释放的水量作为土壤含水量。土壤水分并非纯水,而是稀薄溶液,还含有胶体...
农田水分平衡,农田水分平衡,nongtian shuifen pingheng,水分平衡,农田,nongtian,shuifen,pingheng,[拼音]:nongtian shuifen pingheng[外文]:water balance of field又称农田水量差额,即一定时间、一定(农田)土层内的水分收支差额,是对农田水分收...