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Ethylene propylene rubber (EPR, sometimes called EPM referring to an ASTM standard) is a type of synthetic elastomer that is closely related to EPDM rubber. Since introduction in the 1960s, annual production has increased to 870,000 metric tons. [1] [2] The skeletal formula of ethylene propylene rubber.
Tires are an example of products subject to extended producer responsibility in many industrialized countries. Extended producer responsibility (EPR) is a strategy to add all of the estimated environmental costs associated with a product throughout the product life cycle to the market price of that product, contemporarily mainly applied in the field of waste management. [1]
Unit Rig launched industry's first AC drive 150T (MT3300AC) truck with GE Invertex drive followed by 240T AC (MT4400AC) truck. Both trucks wrote new chapters in TCO - Total Cost of Ownership which is an indicator of life time expenses made by a client on parts, fuel and Capex.
Electron paramagnetic resonance (EPR) or electron spin resonance (ESR) spectroscopy is a method for studying materials that have unpaired electrons.The basic concepts of EPR are analogous to those of nuclear magnetic resonance (NMR), but the spins excited are those of the electrons instead of the atomic nuclei.
The M809 Series 5-ton 6x6 truck was a family of heavy tactical trucks built for the United States Armed Forces. The basic cargo version was designed to transport a 5-ton (4,500 kg), 14 ft (4.3 m) long load over all terrain in all weather. In on-road service the load weight was doubled. Built by AM General, they evolved into the M939 Series.
A magnetic field of 0.62 mT was used requiring a frequency of 17.4 MHz. The first microwave electron spin echoes were reported in the same year by Gordon and Bowers using 23 GHz excitation of dopants in silicon. [2] Much of the pioneering early pulsed EPR was conducted in the group of W. B. Mims at Bell Labs during the 1960s. In the first ...
Created by Starachowice-based FSC Star, it was the basic transport truck used by the Polish Army. It was also available to the civilian market. A successor to the highly successful Star 660 series of trucks, the Star 266 shared many components with earlier models, including Star 200 and Star 244 multi-purpose medium-capacity trucks.
Among the new safety features Utilimaster has added a window on the left hand side of the truck for better visibility in these right-hand-drive trucks. [4] The FFV was equipped with a 3:55:1 final drive limited-slip rear axle, powered by the 4.0L Cologne V6 through a 5-speed automatic transmission. The engine had a peak output of 160 hp (162 PS ...