Yuav ua li cas to taub grain noo noo
Cov dej noo hauv cov khoom noj tau muab faib ua dej dawb (dej dawb) thiab cov dej khi (crystal water) raws li nws lub cev. Dawb dej yog cov dej noo condensed nyob rau hauv capillary thiab molecular qhov chaw nyob rau hauv grain hais los ntawm lub cev adsorption; Cov dej khis yog cov dej noo adsorbed nyob rau hauv grain cell thiab grain molecular qauv los ntawm kev siv tshuaj. Cov dej dawb muaj cov yam ntxwv ntawm cov dej zoo tib yam thiab muaj kev cuam tshuam tseem ceeb rau qhov zoo ntawm cov nplej. Grain ya raws hais txog cov ntsiab lus ntawm cov dej dawb
