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li ti liu fen li ce liang fang fa
Author(s): 
Pages: 12-21
Year: Issue:  11
Journal: Cereals and Oils Processing

Keyword:  犁体土壤阻力测力传感器六分力测量方法田间试验悬挂犁空间力系测力装置模拟试验;
Abstract: <正> 犁体在耕作时会受到土壤的阻力,研究、测定其受力特性和规律,将为设计犁时的总体平衡、合理配置机组、强度计算、疲劳寿命计算和模拟试验等提供必要和系统的测力数据,是一项十分重要的基础试验研究工作。犁体在耕作时所受的土壤阻力是一组非汇交的空间力系,通常把这一空间力系的合力(?)和合力矩(?),沿直角坐标系x、
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