chainsaw相关论文
Time consumption, productivity, and cost analysis of the motor manual tree felling and processing in
An empirical time study was conducted to evaluate the per- formance of the current felling and tree processing methods u......
An evaluation of harvesting costs in present and planned operations: case study-Waston District of M
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
Time consumption, productivity, and cost analysis of the motor manual tree felling and processing in
An empirical time study was conducted to evaluate the performance of the current felling and tree processing methods use......
本文分析了YG-5(GJ-85)型油锯上下方向振动的双质量弹簧系统的力学模型,提出了该力学模型与以往所做实验结果的矛盾,并通过实验验......
Time consumption, productivity, and cost analysis of the motor manual tree felling and processing in
实验时间研究被进行评估当前的 felling 和在北伊朗 Hyrcanian 森林里使用的树处理方法的表演。当 felling 季节结束时,马达手册 fe......
An evaluation of harvesting costs in present and planned operations: case study—Waston District of M
在所有森林利用阶段之中,收获作为利用周期的开始的阶段起一个关键作用并且在下列阶段上有重要效果。在这研究,被记录以便关于现在、......
在进行油锯采伐作业时,油锯手身体稳定性的好坏,既会影响作业效率和疲劳程度,又会影响人体的安全性,而稳定角是衡量身体稳定性的重......
This paper is a surve of the development and current state of occupational health andsafety in Chinese forestry and a ge......
通过对油锯安全要求国际标准和国内标准的概述与分析,阐述了油锯锯链制动器性能的测试方法及测试结果的判定要求。......
通过对油锯手把的手传振动状况分析发现,国产油锯产品质量仍有待加强,提出了油锯手把的主动防振动保护措施及建议.......