首页 > 《林业研究：英文版》 > 1998年1期 > Effects of Low Temperature on Operation Efficiencyof Tree-Felling by Chainsaw in North China

Effects of Low Temperature on Operation Efficiencyof Tree-Felling by Chainsaw in North China

在线阅读下载PDF 导出详情

摘要比较方法和录象带录音机被使用以防为记录二个组操作符的操作表演的学习。时间跨度是7个月，从9月到三月。在9月的操作的表演作为参考书被拿。测试调查和数据分析的结果证明掉落树的手术效率被冷天气影响，适当地减少了18.5%在里面平均。

DOI rdxgxvl54l/713501

作者王永安;贾宝君

机构地区不详

出处《林业研究：英文版》 1998年1期

关键词 COLD working environment Operation efficiency Tree-felling

分类 [农业科学][林学]

出版日期 1998年01月11日（中国期刊网平台首次上网日期，不代表论文的发表时间）

相关文献

1. First in China Process Unit for Low Temperature Methanation of Coke Oven Gas Completed Continuous Operation Tests.油气加工工程,2011-03.
2范可;王会军. Dust Storms in North China in 2002： A Case Study of the Low Frequency Oscillation.大气科学及气象学,2007-01.
3. GEOTHERMAL EVOLUTION AND TECTONOSEDIMENTATION OF THE NORTH CHINA CRUSTOBLOCK AND THEIR EFFECTS ON THE FORMATION OF OIL/GAS POOLS.地质学,1994-08.
4MA Yulong;WANG Xiaomeng;LIU Wei;GONG Wei;HE Li. Effects of Annealing Process on Crystallization and Low Temperature Resistance Properties of PP-R Composites.材料科学与工程,2018-04.
5SONG Yanling;ZHAO Yanxia;WANG Chunyi. Changes of Accumulated Temperature, Growing Season and Precipitation in the North China Plain from 1961 to 2009.大气科学及气象学,2011-04.
6LI Xiaoyun;YANG Yu;LlU Yi;LIU Hui. Impacts and effects of government regulation on farmers＇ responses to drought： A case study of North China Plain.自然地理学,2017-12.
7YAN Yan ZHAO Xinyi ZHOU Liping. Year aridity index patterns in northwest China and the relationship to summer North Atlantic sea surface temperature.海洋科学,2008-03.
8张玲;智协飞. MULTIMODEL CONSENSUS FORECASTING OF LOW TEMPERATURE AND ICY WEATHER OVER CENTRAL AND SOUTHERN CHINA IN EARLY 2008.大气科学及气象学,2015-01.
9HuiyaoZhao LinLi. Research on Positive and Negative Effects of the Enterprisers Debts Operation.系统科学,2004-04.
10WANG Dan;HE Nianpeng;WANG Qing;LV Yuliang;WANG Qiufeng;XU Zhiwei;ZHU Jianxing. Effects of Temperature and Moisture on Soil Organic Matter Decomposition Along Elevation Gradients on the Changbai Mountains, Northeast China.土壤学,2016-03.

来源期刊

林业研究：英文版

林业研究：英文版

相关推荐

同分类资源更多

相关关键词

COLD working environment Operation efficiency Tree-felling

返回顶部