external fluted feed rolls are commonly used in grain drills. the fluted feed roll meters a volume of seeds and does not singulate the seeds as do the precision planters; therefore, there will be inherent variation in the number of seeds delivered per unit of time. this research was conducted to investigate the effect of seed meter drive shaft and ground speeds and outlet positions in a grain d...

for a finite group $g$ let $nu(g)$ denote the number of conjugacy classes of non-normal subgroups of $g$. we give a short proof of a theorem of brandl, which classifies finite groups with $nu(g)=1$.

in this study, the effect of cold rolling process on the microstructure and texture evolution in 1wt. % si non-orientedelectrical steel was investigated. for this purpose, all samples were processed through single-stage hot rolling at1100 ° c and two-stage cold rolling (cross rolling and unidirectional rolling) with intermediate annealing at 650 °cfor 35 seconds. finally, all of them were fully...

The emergence of nuclear weapons as a new actor in international relations has introduced a new area in the international security arena. Since the appearance of these weapons, there have been increasing efforts to limit and destroy them in order to achieve global peace in the framework of disarmament and centered around the Treaty on the Non-Proliferation of Nuclear Weapons. Along with the eme...

background: donuts fried bread is one of the most popular products among consumers. this inexpensive products are susceptible to acrylamide formation during production. acrylamide is a compound that produced in starchy food products that are processed at higher than 120 ° temperatures. this combination is known as a carcinogenic compounds and therefore control of effective factors in the produc...

the effect of different kinds of surfactants in various concentrations incorporated in an inert matrix, on the release of procainamide hydrochloride, as a cationic model compound, was investigated in this study. sodium lauryl sulfate and sodium stearate as anionic surfactants, cetyl pyridinium chloride and cetyltrimethyl ammonium bromide as cationic and span 60 and tween 80 as non-ionic surfact...

A Bluetooth ad-hoc network consists of Bluetooth devices interconnected into piconets and piconets interconnected into scatternets. The specification has not yet addressed the issue of algorithms for scatternet formation. Some algorithms have been proposed, but they are either synchronous, they work only with strongly connected topologies, or they are master-slave based and hierarchical of natu...

in this paper, we have proposed a study on controllability and optimal harvestingof a prey predator model and mathematical non linear formation of the equation equilibriumpoint of routh harvest stability analysis. the problem of determining the optimal harvestpolicy is solved by invoking pontryagin0s maximum principle dynamic optimization of theharvest policy is studied by taking the combined h...