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이현화(H.H. Lee),신성범(S.B. Shin),김종수(J.S. Kim),이호철(H.C. Lee),양민양(M.Y. Yang) 한국생산제조학회 2011 한국생산제조시스템학회 학술발표대회 논문집 Vol.2011 No.4
The five-axis machine tools for large area machining is designed and developed by R&D center of NAMSUN. For high precision machining, the thermal characteristics of spindle system have evaluated by using ANSYS program. The heat sources of the spindle were a stator, a rotor and two bearings. The heat generation rate and the heat transfer coefficient also were calculated. The maximum temperature and the thermal deformation were 22.5℃ and 35.6㎛, respectively.
金冑禧(Kim.J.H),金正云(J.W.Kim),朴根喆(G.C.Lim),朴龍求(Y.G.Park),李賢花(H.H.Lee) 한국차학회 2001 한국차학회지 Vol.7 No.2
This experiment were carried out to screen effective herbcides, mulching and many factors which annual and perennial weeds to open tea plantation. The best weeds control mothod are covering on the ground by black polyethylene film mulching in the tea seedling or planting after. In the most impotant of herbicides are severe chemical injury to be resonable consider. If you want after seedling treatment chemical herbicides that has a soil treatment by napropamide WP. PrometrynWP and non-selective herbcides glyphosate- ammo nium SL. Glufosinate-ammoniumSL and two chemical herbcides has low injury in tea leaves.