It was decided at SLAC to use removable liners mechanically mounted to the chamber walls and the piston. This would allow faster replacement of the pre-fabricated units, should the Scotchlite be damaged, without the need to chisel the remains of the material from chamber walls. The problems of eddy current heating of the piston further required that the piston liner be an insulator. It seemed n...

the aim of this study was to investigate the effect of tillage methods to obtain suitable seedbed for monogerm seed. therefore, a split plot experiment based on a randomized complete block design (rcbd) with three replicatians was conducted at darab station of fars province. the main plot was seedbed prepration at two levels including fall and spring season. subplot included 1) moldboard plow a...

effects of different tillage systems on dispersion ratio, status of aggregation, degree of aggregation, mean weight diameter, geometric diameter, the rain-fed wheat yield and the yield components were investigated by a field trial using a completely randomized block design with five treatments in four replicates during 2009-2010 growing season at gorgan university of agricultural science and na...

applying a suitable tillage method is vital to chickpea production in dryland conditions. hence, eight tillage methods were studied using strip plots in a randomized complete block design with three replications over three years at the dryland agricultural research institute in maragheh, iran. the amount of rainfall in the three years of the study were 202, 264 and 203 mm, respectively, which w...

The article is devoted to improving the winter wheat seeding technology. Choosing rational design of opener group enables placement crop seeds in a deeper moisty soil layer for their rapid germination with formation surface relief from furrows. Seeds are placed into furrows at optimal depth 4-5 cm and furrow slices formed by thrown out chisel-shaped openers compacted individual rollers each ope...