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隧道式水分测定法是一种利用烘干减重的原理测定种子水分的方法。比标准法所需时间短，比电流、电容等简易快速测定法代表性强、可靠性高，所以在种子部门应用最为广泛。但因其本身的特殊性，在正确使用时应注意以下几个因素的影响。１ 象限秤的调节每次试验前，首先观察仪器
Tunnel moisture measurement method is a method of using the principle of drying weight loss determination of seed moisture. Shorter than the standard method of time, than the current, capacitance and other simple rapid determination method is strong, high reliability, so the most widely used in the seed sector. However, due to its own particularity, the proper use of the following factors should pay attention to the impact. 1 quadrant scale adjustment Before each test, first observe the instrument