Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 20 of 63 for “"UH"”.
-
The Application Of "crashing" A Project Network To Solve The Time/cost Tradeoff In Recapitalization Of The Uh-60a Helicopter
… can be implemented. This paper targets the UH-60A:A Recapitalization Program based at the Corpus Christi Army Depot in Corpus Christi, Texas. More specifically, we examine one of the nine existing project sub-networks within the UH-60A:A program, the structural/electrical upgrade phase. In …
-
ANALYSES OF INFLUENTIAL FACTORS FOR ACCURATE DETERMINATION OF PEAK RATE FACTORS AND TIMES TO PEAK OF UNIT HYDROGRAPHS
… hydrologic models, the unit hydrograph (UH) is still one of the most widely used models for computing runoff hydrographs. The two-parameter gamma UH can be fully characterized by two parameters: the peak rate factor (PRF) and the time to peak (tpUH). Currently, obtaining accurate …
-
Parámetros de la masa muscular medidos por tomografía computarizada en una población sana. Fundación Cardioinfantil – Instituto de Cardiología, Bogotá, 2014-2018
… psoas derecho fue de 56,1 Unidades Hounsfield (UH), (56,9 UH para mujeres y 55,3 UH para hombres) e izquierdo de 55,5 UH (56,0 UH para mujeres y 54,5 UH para hombres). El área de masa muscular del psoas derecho mostró una mediana de 834,5 mm2 (684,3 mm2 para mujeres y 1189,1 mm2 para hombres), …
-
Assessing Behavioral Factors in Myopia: Development of a Visual Activity Survey
… Environment, Activity, and Refractive Error (UH NEAR) Survey, a comprehensive visual activity survey to aid researchers and clinicians in identifying and quantifying risk factors for myopia. Methods: PubMed and Medline were used to find peer-reviewed studies from 1980 to July 2020 …
-
Reset Aviation Maintenance Program Study of U.S. Army Aviation
… reliability, and mission readiness of the Army UH-60 Black Hawk fleet. The design was a quantitative survey of three variables: safety, reliability, and mission readiness. The survey featured Likert scale and open-ended questions of three groups: UH-60 maintenance test pilots, UH-60 AVUM/AVIM …
-
EATING AWAY AT PERSONAL PREJUDICE: EXAMINING ASSIMILATION OF BLACKS AND ASIANS USING CHARACTERS FROM AMC'S THE WALKING DEAD
… The final sample was comprised of 62 UH students and 148 MTurk workers. Significant findings were only observed for UH participants, and all observed effects were in the opposite direction of predictions. The discussion centers on explanations for the unexpected effects on …
-
Role of conceptus-induced vasodilation in controlling utero-ovarian function of ewes, cows and sows
… flow (BF) did not differ between uterine horns (UH) and was constant across Days 9, 11, 13 and 15. During the subsequent pregnancy of these ewes, BF was elevated (P < 0.01) only for UH ipsilateral to a CL-bearing ovary on Days 11, 13 and 15. Although increased BF of ipsilateral UH was not …
-
Integrons and integron-related antibiotic resistance in acinetobacter
… (GSH), Cape Town and Universitas Hospital (UH), Bloemfontein, and to characterise the resistance genes carried in the variable regions of these integrons.
-
The Physiological and Genetic Factors Underpinning Powerful Actions in Elite Youth Soccer
… vertical (UV), unilateral horizontal-forward (UH) and unilateral medial (UM)] assessed independent lower-limb power qualities, and if CMJ performance differed between ESP (representing an English Premier League Academy regularly at U18 and under U21 levels) and non-elite soccer players (NSP). …
-
Optimizing the assembly sequence of an aerospace manufacturing process
… reduction in Sikorsky's main product line - the UH-60 Blackhawk helicopter. The final assembly line for the UH-60 was subject to cost and schedule overruns, along with high inventory levels. The assembly line was also characterized by a high degree of variability, and a major source of …
-
Control Law Design and Validation for a Helicopter In-Flight Simulator
… A control system designed to give RASCAL, a JUH-60A Black Hawk helicopter based at Moffett Field, CA, in-flight simulation capabilities has been designed, optimized and validated in this research. A classical explicit model following control system with a frequency dependent feedback …
-
A linear parameter varying control methodology for reduction of helicopter higher harmonic vibration
… dynamics with flight condition. Analysis of a UH-60 Black Hawk helicopter modeled in the Rotorcraft Comprehensive Analysis System (RCAS) aeromechanical simulation environment indicates that the steady state vibration levels and the helicopter dynamics depend primarily on the advance ratio. Two …
-
Simulation Studies of Parametric Processes Associated with Ionospheric Electromagnetic Radiation
… near the plasma upper hybrid frequency <i>ω<sub>uh</sub></i>. In this study, parametric instability processes thought to produce SEE are studied using theoretical and electrostatic Particle-In-Cell PIC simulation models. The simulation plasma is driven with a uniform oscillating electric field …
-
Solution of a Second Order Elliptic Partial Differential Equation with Varying Complex Coefficients: An Application for Computing Effective Complex Electrical Properties of Materials represented by 3D Images
… unique. In order to find the best approximation uh to the solution u of the variational problem, the Galerkin method and the orthogonality condition between u and uh are used to produce the best uh in a given approximating subspace in a finite-dimensional space. The process of construction of the …
-
Solution of a Second Order Elliptic Partial Differential Equation with Varying Complex Coefficients: An Application for Computing Effective Complex Electrical Properties of Materials represented by 3D Images
… unique. In order to find the best approximation uh to the solution u of the variational problem, the Galerkin method and the orthogonality condition between u and uh are used to produce the best uh in a given approximating subspace in a finite-dimensional space. The process of construction of the …
-
Aerodynamic and Performance Analysis of a Morphing Helicopter Rotor System
… was validated against the flight test data of a UH-60. Effects on power, lift to drag ratio and rotor drag from variations in blade twist, rotor speed, rotor radius and blade chord was analyzed. Morphing cases were applied as linear functions of airspeed. Linearly varying rotor speed provides the …
-
The Lived Experience Of African American Women With Breast Cancer-Related Lymphedema
… Perceptions of Self Image: "it kinda of uh attacked my self-image, (4.) Diminished Perceptions of Self Image: "it kinda of uh attacked my self-image", and (5.) Distrust of physicians and other healthcare providers: "Just listen to us..." For the women in the current study, the residual …
-
Performance enhancements to Joint Army/Navy Rotorcraft Analysis and Design (JANRAD) software and Graphical User Interface (GUI)
… module GUI. Additionally, utilizing actual UH-60A Black Hawk airfoil and test flight data as inputs, JANRAD version 5.0 was run to validate its output with the test flight results, and those produced in a prior hesis by JANRAD version 3.1 (1995). Excellent agreement was demonstrated in all …
-
Modeling event-based coupled hydrologic and mass transport in small urban watersheds
… (UP) concept analogous to the unit hydrograph (UH) theory was proposed and successfully illustrated. A design and analysis methodology for rainfall-runoff quantity and quality basins was proposed and the feasibility was demonstrated through design charts for a Baton Rouge, LA watershed, a …
-
Notch Signaling Determines Lymphatic Cell Fate and Regulates Sprouting Lymphangiogenesis
The lymphatic vascular system is necessary for physiological regulation of tissue fluid homeostasis and absorption of dietary fat. Lymphatics also function in the inflammatory response and are involved in pathological conditions such as wound healing and cancer. We show that the Notch signaling …
Page 1 of 4