调土刀,小铲使用方法 使用方法: 1、削土刀托放在已知重量的环刀上,将环刀刃口向下垂直压入土中,直至环刀筒中充满样品为止。环刀压入时要平稳,用力一致。 2、削土刀切开环刀周围的土壤,取出已装满土的环刀,细心削去环刀两端多余的土,并擦净环刀外面的土。环刀两端立即加盖,以免水分蒸发。随即称重(精确到0.01g)并记录。
技术参数: 1、刀总长:330mm,刀身长:220mm,宽:37mm 2、状设计,握感好,牢固不会脱落。 3、部分两边都做刃口,锋利而坚硬。 注:三种刀材质均为不锈钢,有韧性,弹性
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原创作者:河北献县鹏翼建筑仪器厂 |