نتایج جستجو برای: chisel
تعداد نتایج: 543 فیلتر نتایج به سال:
The depth of tillage and its uniformity are the main performance indicators chisel cultivators, as well all machines. Only when these at level demand, favorable conditions created for uniform development ripening crops throughout field their high yield. article theoretically explores problem ensuring a smooth movement suspension cultivator along with working depth. results show that given requi...
The effects of three levels of soil moisture content (8-10, 10-12 and 12-14% d.b.) and three levels of plowing depth (15, 20 and 25 cm) on draft, specific draft and drawbar power requirement of a 7-shank chisel plow in a clay loam soil were investigated. The experimental design was a randomized complete block design with a 3×4 factorial. The effect of plowing depth on all of the parameters ment...
Introduction: This study aims to determine the amount of hand-arm vibration transmitted from heavy electric destruction tools and the effect of using chisel with different lengths and shapes when demolishing concrete surfaces. Material and Methods: To evaluate the magnitude of hand-arm vibration on the left and right handles of two powerful electric demolition hammers commonly applied in Irani...
Compared to conventional tillage (CT) system (e.g. moldboard plowing (Moldboard-CT) and chisel (Chisel-CT)) adoption rate of conservation systems no-till (NT) strip-till (ST)) in surface- irrigated farms is considerably low. A three-year field study was conducted evaluate corn (Zea mays L) productivity four ranging intensity soil disturbance (i.e. Moldboard-CT, Chisel-CT, ST, NT) a furrow-irrig...
Drilling-induced delamination often occurs both at the entrance and the exit of the workpiece during drilling of composite material. Investigators have studied analytically and experimentally that delamination in drilling can be correlated to the thrust force of the drill. With a pre-drilled pilot hole, the delamination can be reduced significantly. Early reference reported models of drilling-i...
نمودار تعداد نتایج جستجو در هر سال
با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید