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Search Term: engineering & natural sciences

Technologies


Copper-based photovoltaic nanocrystals for thin-film solar cells
BackgroundImproving efficiency while reducing cost is of paramount importance when it comes to solar cell research. Thin-film solar cells, at the cutting edge of solar cell technology, represent an exciting realm of photovoltaics which promises to do just this. Typically, thin-film solar cells are comprised of a combination of copper, indium, galli...
Sample Collection, Annotation, Archiving, Analysis and Distribution System (SCAAAD)
BackgroundCurrent data collection and archiving methods are time-consuming and error-prone. Field scientists and technicians must carry a wide variety of sampling devices that inherently lack the ability to communicate with each other - often relying on a pen-and-paper system of recording and annotation. Further, when they exit the field and return...
Formaldehyde-Free Phenolic Bio-Resins
BackgroundPhenol formaldehyde (PF) resins are synthetic polymers which have a market value of $10 billion globally per year. They are used in a wide variety of products, including coatings, adhesives, laminates, and engineered plastics, which comprise many household and industrial goods such as plywood, countertops, brake pads, and bearings. PF res...
Force space navigation for robotics
This system is designed to provide spatial movement tracking and robotic end-effector positioning guidance without a secondary tracking system.Background:Computerized surgical navigation is increasing. Currently, joint replacement and neurosurgery are experiencing rapid growth in the development and clinical use of such systems, which provide impro...
Touch Point Finger Pad Digitizer
BackgroundSignificant advancements have been made in non-clinical surgical training simulations - virtual reality, robotics and computer simulations have enabled a wide range of skills to be practiced and tested. However, there is still significant interest in finding ways to monitor learning progress and confirm proficiency.A surgical trainee has ...
The Angular Propulsion Engine
BackgroundWaste gas streams are found in numerous industrial settings, such as petroleum operations, municipal solid waste management, and waste water treatment. Carbon dioxide and methane are examples of waste gas generated from process steps including the combustion of fossil fuels and ethanol fermentation.Waste gas from these operations are flar...
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Category Engineering & Natural Sciences
Ultrasonic Interface Detector
Background:Ultrasonic level sensors are commonly used in industry. These sensors generally provide low-cost and accurate level measurements with certain important features and benefits. They are well suited for simple monitoring of liquid and solid levels. However, ultrasonic sensors actually measure the time it takes a signal to travel out and bac...
A Retrofit Wireless Sensor System for Industrial Plants
Background:In safety-critical industrial facilities such as oil and gas refineries, chemical processing and power generation plants, the requirements on the reliability of critical sensors are extremely high. Such sensors are typically wired and are used for emergency shutdown decision-making, process control or monitoring. Since these sensors usua...
Rice Straw Agri-Silica
Background:Rice is one of the most prevalent food crops in the world. In 2005, the International Rice Research Institute estimated global production at 618 million tonnes. Each tonne of rice produces an equal amount of straw and 200 kg of husk as bi-products. In many countries, the rice straw bi-product is burned in open fields, generating smoke an...
Biological Nutrient Removal by Modified MBR System
Background:In response to increasingly stringent effluent nutrient criteria resulting from deteriorating surface water quality, biological nutrient removal (BNR) processes have become increasingly popular. In BNR processes, nitrogen and phosphorus can be removed simultaneously. These BNR processes employ a combination of anaerobic, anoxic and aerob...
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