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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 ba...
Published: Dec 4, 2012
Keywords(s): Chemical & Biochemical Engineering, Food Science, Sensors, Wastewater Treatment
Category(s): Engineering & Natural Sciences
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Interactive Simulator for Otoscopy Training
Background:
Otoscopy refers to visual examination of the eardrum and ear canal for diagnosing disease. In pneumatic otoscopy, a small puff of air is applied to visualize eardrum movement. Both forms of otoscopy are routinely performed by primary caregivers, audiologists and surgeons.
Trainees are taught otoscopy through lectures, textbooks and limi...
Published: Feb 9, 2012
Keywords(s): Audiology, Diagnostics
Category(s): Engineering & Natural Sciences
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A Retrofit Wireless Sensor System for Industrial Plants
Background:
In safety-critical industrial plants, such as oil and gas refineries, chemical processing plants 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...
Published: Feb 8, 2012
Keywords(s): Chemical & Biochemical Engineering, Energy, Sensors, Electrical & Computer Engineering
Category(s): Engineering & Natural Sciences
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F007 - Automatic Detection of Faulty Software Code
Background:
Manual identification of faulty software code that is the source of operational system failure is an arduous and time consuming task. Studies show that this can consume anywhere up to 30-60% of the total time needed to remedy the situation. There is this old adage that “knowing is half the battle”. In some instances, organiz...
Published: Feb 8, 2012
Keywords(s): Computer Software, Electrical & Computer Engineering
Category(s): Engineering & Natural Sciences
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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 a...
Published: Feb 8, 2012
Keywords(s): Agriculture, Energy, Enviro Sustainability & Green Energy, Mechanical Engineering, Social Innovation, Civil & Environmental Engineering, Clean Technology
Category(s): Engineering & Natural Sciences
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An Embeddable Security Protocol to Address Vulnerabilities Inherent in Wireless Networks
Background:
Wireless communication networks are now facing various risks of intrusion and attacks due to their lack of a physical association between the transmitter and legitimate receiver. The traditional methods to address these security issues are to use the higher layers of the OSI model which include conventional authentication and cryptograp...
Published: Feb 8, 2012
Keywords(s): Communications, Computer Software, Electrical & Computer Engineering
Category(s): Engineering & Natural Sciences
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Haptically Controlled Active Catheter
Background:
Angioplasty is a minimally invasive procedure that involves the insertion of a catheter into the blood vessel for improving blood flow that may be restricted due to plaque buildup. There are a number of problems associated with the conventional way of performing angioplasty. The catheter is guided through extremely delicate and complex ...
Published: Feb 8, 2012
Keywords(s): Cardiovascular, Diagnostics, Electrical & Computer Engineering, Medical Devices, Surgery
Category(s): Engineering & Natural Sciences
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Micro Pressure Sensor
Background:
There is a growing need for micro-sensors with faster response and higher sensitivity. Micro-sensors based on integrated optics can potentially detect and transmit signals without the use of electrical wires. The clear advantages of optical micro-sensors are immunity to electromagnetic interference, safety in explosive media, electrical...
Published: Feb 8, 2012
Keywords(s): Mechanical Engineering, Photonics & Optics, Sensors
Category(s): Engineering & Natural Sciences
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Optimal Utilization of a Photovoltaic (PV) Solar Farm During Night-Time
Background:
The capricious nature of energy production from renewable sources, especially wind power, as well as variable consumer demand poses a number of challenges to utilities. As renewable energy generation sources proliferate and become more distributed, voltage regulation becomes a major issue. At times when energy generation exceeds the loa...
Published: Feb 8, 2012
Keywords(s): Clean Technology, Electrical & Computer Engineering, Enviro Sustainability & Green Energy, Wind Eng & Natural Disaster Mitigation
Category(s): Engineering & Natural Sciences
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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 aero...
Published: Feb 8, 2012
Keywords(s): Chemical & Biochemical Engineering, Civil & Environmental Engineering, Clean Technology, Wastewater Treatment
Category(s): Engineering & Natural Sciences
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