Browse Topic: Waste materials

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Innovators Recognized for "Creating the Future" 2018TBMG-3340412/1/2018
Space Debris Orbit and Attitude Prediction for Enhanced and Efficient Space Situational AwarenessTBMG-3302510/1/2018
This research deals with the problem of modelling the orbit and attitude motion of uncontrolled manmade objects in orbit about the Earth, which tumble due to the natural influences of the near-Earth space environment. A mathematical, physics-based and computational approach is taken to model the forces and torques that drive the orbit and attitude evolution of such objects. The main influence modelled is solar radiation pressure (SRP), which is the interaction of solar electromagnetic radiation with the surface of an object, leading to both forces and torques that influence the orbital and attitude motion. Other influences, such as the gravitational field of the Earth, are also modelled.
From Wastefulness to Competitiveness2007-01-290711/28/2007
The proposal of this paper is to deal with the waste elimination and the continuous improvement management in a productive process to guarantee the passport for the global competition to companies. From a systematic vision of the existing processes, the management of the continuous improvement is a must in all levels of the organization, considering the coordination of activities, the application of problems solving technique and its solution implementation up to the measurement of the achieved results. An efficient form to reduce costs and reach the competitiveness is the application of waste elimination by techniques, methodologies and qualification. The results of successful considered companies for being “Best-in-class” in profitability demonstrate that the success is directly related to processes in the business and therefore offer high quality products, in a short period of time with a relatively lower cost.
Avelino, Ana Cristina, Campos, Sonia Teresa de Castro Coimbra
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