this study investigates the vertical replacement of salts, variability of electrical conductivity (ec) and soil acidity (ph) due to direct electrical current. a plexiglas cylinder 100 cm in depth with a 14 cm radius was used as a soil container and filled with uniform moist soil to 90 cm. during the experiments, the bottom 10 cm of soil in the cylinder was kept saturated. a steel bar was used a...

The calibration method for a multiple rangefinders system is proposed in this paper. Generally, multiple rangefinders are required to obtain the whole surface shape of a large object such as a human body. The proposed method solves range data registration by a prior calibration using a reference plane with rectangular markers. The world coordinates system is defined on the reference plane. Beca...

Abstract Transportation cost is stepping the world into bio-feedstocks to power Direct Injection Compression Ignition (DiCI) engines. Biodiesel makes a better alternative diesel. In this research, tamarind seed biodiesel (TSB), mixed 20% with diesel, injection pressure (IP) and timings (IT) modifications examining engine’s performance, combustion, emission aspects. The experimented IPs were 180...

The NMR/MRI techniques are applicable to the studies of motion of granular solids, providing information on the velocities, effective diffusivities and correlation times of the moving particles. The studies of transport of granular solids reported to-date are based on the detection of the H NMR signal of the liquid phase of liquid-containing solid materials. Yet, the solid phase of many granula...

The mechanical linkage of a hydraulic-resistance, elbow flexion and extension exercise machine was redesigned to provide a resistance response that varies in proportion to female joint strength over the range of motion. The aim was to integrate into a simple, passive exercise machine the respective benefits of hydraulic resistance and isokinetic exercise. Hydraulic resistance facilitates bidire...

PURPOSE Two treatment concepts for implant-supported bar retention of mandibular overdentures-2 intramobile cylinder (IMZ) implants and a Dolder bar and 4 titanium plasma-sprayed (TPS) screw implants and an angulated bar-were compared in a randomized controlled clinical trial with respect to postprosthetic efficacy and safety. MATERIALS AND METHODS Four hundred twenty-five patients with edent...

Astronauts need a strong yet portable home design to live on Mars. This paper proposes using an inflatable with carbon fiber internal truss structure covered by thick silica aerogel tarp house the astronauts. The is inflatable, i.e., bar cylinder that contains central cord, and therefore, it has variable stiffness in tension compression where depends pressure of bar. Thus, we introduced alpha r...

<div class="section abstract"><div class="htmlview paragraph">Low temperature heat release (LTHR) has been of interest to researchers for its potential mitigate knock in spark ignition (SI) engines and control auto-ignition advanced compression (ACI) engines. Previous studies have identified investigated LTHR both ACI SI before the main high (HTHR) event by appropriately curating in...

the effective factors of forward speed, cylinder rotation, and clearance between a combine’s cylinder and concave on wheat kernel breakage and seed germination were studied in karaj area using a 955 model john dear combine. this study was conducted on three levels of adjustment for each of the variables, 1.2, 1.8 and 2.5 km/hr for forward speed, 800, 900, 1000 rpm for cylinder rotation as well ...

Biodiesel is widely known as the alternative fuel for diesel engine, but it comes with its fair share of challenges. To minimize pertinent drawbacks, additives become an essential tool and help improve renewable fuel’s properties. In this current research, biodiesel obtained from rice bran oil cotton seed oil, diethyl ether additive. Diethyl good oxygen content, high cetane number, low viscosit...