The improvement of coupled tendon transfer surgeries through the insertion of an adaptive engineering mechanism was explored using biomechanical simulations performed in OpenSim. Tendon transfer surgeries are commonly performed on the upper extremity to restore hand function. A conventional 4-tailed tendon transfer procedure model and a modified 4-tailed procedure model...
Pin and hanger assemblies are a common type of connection used in past engineering practice for steel girder bridges. The connection consists of pins, hanger plates, and girder ends. The connection detail was used widely between 1930 and 1980. The connections are considered fracture critical and nonredundant because connection failure...
Lignocellulosic biomass represents a vast and renewable source of fermentable sugar for
production of biofuels. However, native lignocellulose—comprised of cellulose,
hemicellulose and lignin—is refractory to degradation because the crystalline cellulose is
not easily hydrolyzed by cellulases. Standard chemical treatments of lignocellulose to
reduce the crystallinity of cellulose prior to enzymatic...
The thesis presented here is a quantitative study of vacant
urban land in Corvallis, Oregon. In order to present this study the
writer first studied the available literature and found that little had
been published dealing with causal factors of vacant urban land.
Rather, it was found that several writers...
In his July 31, 1996 remarks on welfare reform, President Clinton signaled his intent to sign into law the Personal Responsibility and Work Opportunity Reconciliation Act (PRWORA), bipartisan legislation aimed at reforming federal welfare policy. During the press conference, Clinton framed welfare as necessary but ultimately temporary relief, stating its...
In the forest products business and management literature, one common categorization of different types of innovation is product innovation, process innovation and business systems innovation. Forest products companies have long placed high emphasis on process innovations, which are related to yield maximization, manufacturing efficiency and operating costs reduction. This is...
When sulfur dioxide is used in commercial drying of fruits in
combination with low storage temperatures, browning and microbial spoilage
can be inhibited. However, the relationship between moisture level,
storage temperature, and sulfur dioxide content on the color of dried
fruit is not known; therefore the purpose of this research...
The development of a market for currently non-merchantable forest material, such as harvest residues of tops and limbs of trees or small diameter trees, has been suggested as a possible win-win solution that could: (i) provide a financial incentive to help motivate treatments to reduce wildfire risk or restore forest...
A generalized, three-dimensional, finite element bridge model was created in order to efficiently and accurately assess live-load girder distribution factors for a variety of bridge types. This model shortens the time required by bridge analysts to develop individual finite element models for bridges of varying geometries. The creation of the...