Straw, a kind of natural biodegradable material, was used as reinforced fibers for preparing nonrecurring biodegradable flowerpots by compression molding technology.
Horacic and lumbar compression fracture replacement device with variable and turritus air-cushion might be a safe, impactful and economical nonoperative treatment.
Based on polytrophic process of air compression and isothermal gas combustion inside the turbine, an improved gas turbine with generality Carnot cycle is suggested.
Methods 88 patients suffered severe open fractures associated with soft tissue crush injuries of the lower leg were treated with monolateral dynamic compression fixator.
The main factor of spring back density is prepressing pressure, next are compression time and compression number of times.The effect of moisture content was not significant.
In the compression moulding technology, preheat and prepressing procedures are added to improve the flowability of the bond and physical and mechanical properties of the product.
During two cooling methods, whether tension stress or compression stress, the retained austenite in steel reduced with stress increasing, had become from massive to streak or filminess.
The illinium electrode produces a slim arc when used in welding.With a high level of compression, it has a bigger melting depth in medium and high currents.
Noncryogenic methods of air separation contain some of the same unit processes such as compression and clean-up, but differ in the fundamental technology to separate air into its components.