CHAINSAW

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Generalizations of the Feline and Texas Chainsaw Josephus Problems
《Open Journal of Discrete Mathematics》2019年第4期144-158,共15页David Ariyibi Kevin Chang Pamela E. Harris 
We define and study the Extended Feline Josephus Game, a game in which n players, each with ℓlives, stand in a circle. The game proceeds by alternating between hitting k consecutive players—each of whom will co...
关键词：JOSEPHUS GAME FELINE JOSEPHUS GAME Texas CHAINSAW JOSEPHUS GAME 
An evaluation of harvesting costs in present and planned operations: case study—Waston District of Mazandaran Wood and Paper Industries
《Journal of Forestry Research》2018年第1期215-220,共6页Majid Lotfalian Mohammad Ali Akbari Gorji Seyed Ataollah Hoseini Maryam Kazemi 
funding by student thesis
Amongst all forest utilization phases, harvesting plays a key role as the beginning phase of the utilization cycle and has a significant effect on the following phases.In this research, in order to examine the reducti...
关键词：CHAINSAW Felling direction Cutting time Tree leaning direction 
Effect of selective cutting type on the chainsaw productivity in Caspian Forests
《Journal of Forestry Research》2012年第4期699-702,共4页Farshad Keivan Behjou 
Time and motion studies were conducted to evaluate the impact of selective cutting type on Chainsaw productivity in Caspian forests, the selective cutting performed as single and group selection cutting in the region....
关键词：single-tree selection Group selection manual felling unit cost 
Time consumption, productivity, and cost analysis of the motor manual tree felling and processing in the Hyrcanian Forest in Iran
《Journal of Forestry Research》2011年第4期665-669,共5页Rostam Mousavi Mehrdad Nikouy Jori Uusitalo 
financially supported by Iranian Ministry of Science, Research and Technologies and University of Joensuu
An empirical time study was cohducted to evaluate the performance of the current felling and tree processing methods used in Northern Iran＇s Hyrcanian forest. Motor-manual felling is done mostly in winter, while tree...
关键词：Motor-manual felling time study CHAINSAW PROCESSING cost forest work study 
Effects of Low Temperature on Operation Efficiencyof Tree-Felling by Chainsaw in North China
《Journal of Forestry Research》1998年第1期57-58,共2页王永安 贾宝君 
Comparison method and vidco-tape recorders were used in case study for recording thc operation performances of two group operators. The time span was 7 months, from September 10 March. The performance of operations in...
关键词：COLD working environment Operation efficiency Tree-felling ERGONOMICS considerations 
THE DEVELOPMENT AND STATE OF OCCUPATIONAL HEALTH AND SAFETY IN CHINESE FORESTRY
《Journal of Northeast Forestry University》1990年第1期104-108,共5页Guo Jianping (1)   Wang Nan (1)   Xu Shenglin (1) 
This paper is a surve of the development and current state of occupational health andsafety in Chinese forestry and a general introduction to the administrative system and structure ofworking health and safety in the ...
关键词：FORESTRY production OCCUPATIONAL health and SAFETY WORKPLACE hazards CHAINSAW SAFETY ERGONOMICS 
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