Precision planters are important machines in the regime of modern technological agriculture. Field conditions, seed metering system and machine operating parameters affect pneumatic planter performance. The was evaluated to determine effect three tillage levels (L1, L2, L3) four travel speeds (S1, S2*, S3 S4). sowing uniformity observed with respect horizontal distribution seeds within a row de...

The extent of growth stimulation of C3 plants by elevated CO2 is modulated by environmental factors. Under optimized environmental conditions (high light, continuous water and nutrient supply, and others), we analysed the effect of an elevated CO2 atmosphere (700 ppm, EC) and the importance of root-bed size on the growth of tobacco. Biomass production was consistently higher under EC. However, ...

Three opening sizes (0.25, 0.625, and 1.0 ac) and three site preparation methods (herbicides, mechanical, and an untreated control) were tested in a pine-hardwood stand dominated by loblolly and shortleaf pines ( Pinus taeda L. and P. echinata Mill.) and mixed oaks ( Quercus spp.) that was being converted to uneven-aged structure using group selection. The study was a 3x3 factorial in a randomi...

The application of polystyrene-immobilized proline-based catalysts in packed-bed reactors for the continuous-flow, direct, enantioselective α-aminoxylation of aldehydes is described. The system allows the easy preparation of a series of β-aminoxy alcohols (after a reductive workup) with excellent optical purity and with an effective catalyst loading of ca. 2.5% (four-fold reduction compared to ...

The purpose of this current article is to report our increasing experience with the hydrosurgery device in debridement of a variety of wounds. 34 wounds in 14 patients with significant co-morbidities were debrided mainly by the hydrosurgery system in addition to cold knife that was used for minor eschar excision. The advantages of the hydrodebridement, technical tips during its application, lim...

The process of fluidized bed spray granulation unites the steps of solid formation and product formulation in one apparatus and is used to produce granules out of a liquid. Thereby, a melt is atomized into small droplets and sprayed into the fluidized bed, which consists of seed particles of the same material. Droplets deposit on the particles near the spray zone and form a film which solidifie...

The preparation and use of Guefoams as heterogeneous catalyst is reported. Guefoam consists an open-pore Al-Si foam that accommodates a freely mobile guest phase (Ni/CeO2/Al2O3 particles) in its cavities, with neither physical nor chemical matrix-guest bond. A eutectic Al-12Si alloy was used low-melting matrix precursor to prevent thermal sintering the active during liquid metal infiltration. C...