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Using ultrasonic techniques to predict fracture toughness of AISI 4137 alloy steel
(Texas A&M University, 1997)
Previous studies have indicated the possibility of using ultrasonic attenuation as a nondestructive tool for predicting fracture toughness of metals. In all these studies, the fracture toughness was varied by changing the ...
Genetic algorithm based tomographic flow visualization
(Texas A&M University, 1997)
A new nonlinear tomographic flow visualization technique for use in limited data situations is developed using techniques from the emerging field of evolutionary computing. The new technique uses both pure and hybrid genetic ...
Factors influencing variation in tenderness of major beef muscles
(Texas A&M University, 1997)
Beef carcasses (n=30) were obtained from three breed types (3/4 Angus (A) x 1/4 Brahman (B), 1/4 A x 3/4 B, and F2 A x B crosses). The right side of each carcass was electrically stimulated (ES). Seven muscles (Semimembranosus ...
A study of mobile trough genesis over the Yellow Sea - East China Sea region
(Texas A&M University, 1997)
The purpose of this study was to understand the mechanisms responsible for the formation of mobile troughs over a prolific source region in the Yellow Sea and East China Sea. Two mobile troughs which intensified significantly ...
The influence of a single exercise bout on plasma lipoprotein phospholipids in hypercholesterolemic and normocholesterolemic men
(Texas A&M University, 1997)
This study determined the influence of a single exercise bout on plasma lipoprotein phospholpids in I I hypercholesterolemic (HC) and 14 normocholesterolernic (NC) subjects. The exercise bout consisted of walking or jogging ...
Structural studies of alumina pillared hectorite using polyvinyl alcohol as a pillaring agent
(Texas A&M University, 1997)
In the present work, the structures of a natural hectorite clay pillared with alumina were studied. Frequently, polyvinyl alcohol (PVA) was added as a pillaring agent to observe structural differences in the calcined ...
Design of a Host Traffic Management system for Hard Real Time networks
(Texas A&M University, 1997)
A Hard Real Time (HRT) system is one whose correct functioning is based on the concepts of timely and correct delivery. By timely delivery, we imply that if a message is dispatched by a sender application it should be ...
The effects of split versus standard keyboard designs on physiological, performance, and subjective measures of the standing computer user
(Texas A&M University, 1997)
Jobs requiring workers to type for prolonged periods of time are common in industry. Typing intensive jobs can result in pain, numbness, and possibly cumulative trauma disorders. A laboratory study was conducted to evaluate ...
Enhanced solubility of petroleum hydrocarbons using biosurfactants
(Texas A&M University, 1997)
This research investigation included two similarly-designed experiments. In the first, a biological surfactant produced by Rhodococcus strain H13-A and a commonly-used synthetic surfactant, Tween-80 (polyoxyethylene sorbitan ...
Identification of dynamic force coefficients of a labyrinth and gas damper seal using impact load excitations
(Texas A&M University, 1997)
Experiments to identify stiffness and damping force coefficients of a two bladed teeth-on-stator labyrinth seal and a gas damper seal, both of diverging clearance, are presented. Calibrated impact guns excite a housing ...