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Articles 1 - 11 of 11
Full-Text Articles in Engineering
Setting The Record Straight For Two Heroes In Hypertension: John J. Hay And Paul Dudley White, Merrill Elias, Amanda L. Goodell
Setting The Record Straight For Two Heroes In Hypertension: John J. Hay And Paul Dudley White, Merrill Elias, Amanda L. Goodell
Maine-Syracuse Longitudinal Papers
Papers dealing with the history of the study of hypertension provide an invaluable window to our past. They identify our misconceptions, mistakes, and advances and describe the evolution of new knowledge. New knowledge develops in the context of contemporary scientific knowledge and zeitgeist. Zeitgeist is the German word for the defining mood or spirit of a particular era as expressed in the ideas and beliefs of the time.
The limitations of a scientist's knowledge and perspective at any given point in time must be considered in historical context. Therefore, we must tread carefully when criticizing a scientist's thinking and ideas …
Alfond W2 Ocean Engineering Lab, Advanced Structures & Composites Center, University Of Maine
Alfond W2 Ocean Engineering Lab, Advanced Structures & Composites Center, University Of Maine
General University of Maine Publications
The Alfond W2 Ocean Engineering Lab at the University of Maine Advanced Structures and Composites Center is a unique facility equipped with a high-performance rotatable wind machine over a multidirectional wave basin. The facility will accurately simulate towing tests, variable water depths, and scaled wind and wave conditions that represent some of the worst storms possible anywhere on Earth.
Wind Blade Testing: Design, Fabricate, And Test Under One Roof, Advanced Structures & Composites Center, University Of Maine
Wind Blade Testing: Design, Fabricate, And Test Under One Roof, Advanced Structures & Composites Center, University Of Maine
General University of Maine Publications
The University of Maine Advanced Structures and Composites Center's award winning research staff help clients take innovations from concept through design validation. The 8100 m2, $160 million laboratory employs more than 150 people with expertise in large-scale and coupon-level instrumentation and testing, composites manufacturing and analysis, finite element analysis and other modeling techniques. UMaine Composites Center faculty and staff may be engaged to jointly develop products, or may be contracted to fabricate and test composite or concrete products.
A Shoulder Mechanisms For Assisting Upper Arm Function With Distally Located Actuators, Michael Jones
A Shoulder Mechanisms For Assisting Upper Arm Function With Distally Located Actuators, Michael Jones
Honors College
This thesis presents a new design for a shoulder assistive device based on a modified double parallelogram linkage (DPL). The DPL allows for active support of the arm motion in the sagittal plane, while enabling the use of a distally located motor that can be mounted around the user’s waist to improve the weight distribution. The development of the DPL provides an unobtrusive mechanism for assisting the movement of the shoulder joint through a wide range of motion. This design contains three degrees-of-freedom (DOFs) and a rigid structure for supporting the arm. The modified DPL uses a cable-driven system to …
An Upper Extremity Exoskeleton Utilizing A Modified Double Parallelogram Linkage Mechanism With Proximally Located Actuators, Connor Bouffard
An Upper Extremity Exoskeleton Utilizing A Modified Double Parallelogram Linkage Mechanism With Proximally Located Actuators, Connor Bouffard
Honors College
The shoulder joint is an extremely complex joint, with a wide range of motion (ROM), which makes designing an upper extremity exoskeleton a complicated task. This thesis presents a 3-degree-of-freedom (DOF) exoskeleton with a modified double parallelogram mechanism (DPM) that fits any wearer independent of their biological frame. The DPM is remarkably useful in wearable robotics. The mechanism creates a remote center of rotation about the shoulder joint while remaining unobtrusive and not colliding with the wearer’s body. Its fixed link lengths, however, requires it to be specially fitted to each individual user. This is inconvenient for most exoskeletons that …
Vhf Near Field Antenna Design For Wireless Sensing Applications In Harsh Environments, Nicholas Aiken
Vhf Near Field Antenna Design For Wireless Sensing Applications In Harsh Environments, Nicholas Aiken
Honors College
High temperature sensors that can operate up to 1000 °C or beyond are in high demand for defense, aerospace, energy exploration and power industries. Wired sensors for high temperature operation has low reliability and high installation costs. Wireless communication provides functionality for operation in harsh environments. Wireless communication in harsh environments must be battery-free because semiconductor electronics is unable to operate beyond a few hundred degrees Celsius and there is a very limited number of alternatives for energy storage at extreme temperatures. The University of Maine’s Microwave Acoustics Laboratory (MAL) group has developed Surface Acoustic Wave (SAW) devices which can …
A Layman's Guide To Malignancies: Cancer And Cancer Research In Everyday Terms, Bailee Bartash
A Layman's Guide To Malignancies: Cancer And Cancer Research In Everyday Terms, Bailee Bartash
Honors College
In the 200,000 years that humans have existed in our current homo sapien sapien form, we built our civilizations based in part on our desire to understand the world around us. The difficult part about this is the fact that our world has grown so vast and so quickly (think Moore’s Law, the observation that the speed and capability of computers is projected to double each year with an increasing number of transistors that can fit into a microchip), especially within the past century, that many people have been left behind due to their capability to understand. This gap in …
Techno-Economic Analysis Of A Seaweed Extraction Process, Zachary Applebee
Techno-Economic Analysis Of A Seaweed Extraction Process, Zachary Applebee
Honors College
The goal of this thesis was to perform a techno-economic analysis of a seaweed polysaccharide extraction process that could estimate how economically viable it would be to harvest and process seaweed in Maine to produce algal polysaccharides. I pursued two investigations to answer this question:
First, I continued the research I have been doing on an EPSCoR SEANET funded undergraduate research team working on the extraction and fractionation of sugar kelp (Saccharina Latissima) to produce three different separated polysaccharides: alginate, laminarin, and fucoidan. My contributions to this project were primarily to hydrolyze whole pieces of seaweed and extracted …
The Good Family, James Hannigan
The Good Family, James Hannigan
Honors College
The Good Family is a story following a group of seventeens in their historic and scrutinized ’68 Birth-Night Battalia. The characters, who have trained since as early as age twelve and as late as fourteen – with heavy combat training for up to a year and as little as six months, are well prepared by the Tokien system. Demonstrating their Link-worthy will be a challenge that none of them can fully imagine, as this year is the unveiling of a Tokien-engineered tech development that will undoubtedly change the course humanity rides in the closing of the 22nd century.
Arsenic Remediation Of Maine Drinking Water, Austin Steward
Arsenic Remediation Of Maine Drinking Water, Austin Steward
Honors College
Arsenic, a metalloid, is one of the most prominent toxins in Maine drinking water. There are approximately 86,500 Maine citizens exposed to water containing arsenic over the maximum contamination level causing adverse effects including nausea, multiple cancers, and a reduction of full scale IQ and executive function. In drinking water, arsenic arises both by the natural leaching from bedrock and from the use of chemicals such as pesticides, embalming fluids, and wood preservatives. Although there are many known arsenic water remediation techniques, finding a method compatible for multiple arsenic isotopes is challenging. In this work, we test the low-energy and …
Nawic Focus (January-March 2019), National Association Of Women In Construction - Maine Chapter Staff
Nawic Focus (January-March 2019), National Association Of Women In Construction - Maine Chapter Staff
Maine Women's Publications - All
No abstract provided.