Leadership and Religiosity: A Study of their Effects on Seventh-day Adventist Student Leaders

This dissertation reports a study of the effects of leadership and religiosity on Seventh-day Adventist student leaders. Data were collected through two standardized instruments (Leadership Orientation and Religious Life Inventory) and a questionnaire on activity preference of student leaders.https://digitalcommons.andrews.edu/hrsa/1011/thumbnail.jp

Jet shoes

Jet shoes for space locomotio

A Two-Impulse Plan for Performing Rendezvous on a Once-A-Day Basis

An investigation of a two-impulse plan for performing rendezvous on a once-a-day basis with a near-earth satellite station indicates that launch into rendezvous from slightly less than maximum satellite latitude is an unusually favorable circumstance in that no appreciable expense in mass ratio is incurred. In addition, it was found for the two-impulse maneuver employed in this study that the optimum angular travel of the ferry vehicle to rendezvous was considerably less than the 1800 transfer which is optimum for the two-impulse in-plane launch

Aerothermodynamic Analysis of a Reentry Brazilian Satellite

This work deals with a computational investigation on the small ballistic reentry Brazilian vehicle SARA (acronyms for SAt\'elite de Reentrada Atmosf\'erica). Hypersonic flows over the vehicle SARA at zero-degree angle of attack in a chemical equilibrium and thermal non-equilibrium are modeled by the Direct Simulation Monte Carlo (DSMC) method, which has become the main technique for studying complex multidimensional rarefied flows, and that properly accounts for the non-equilibrium aspects of the flows. The emphasis of this paper is to examine the behavior of the primary properties during the high altitude portion of SARA reentry. In this way, velocity, density, pressure and temperature field are investigated for altitudes of 100, 95, 90, 85 and 80 km. In addition, comparisons based on geometry are made between axisymmetric and planar two-dimensional configurations. Some significant differences between these configurations were noted on the flowfield structure in the reentry trajectory. The analysis showed that the flow disturbances have different influence on velocity, density, pressure and temperature along the stagnation streamline ahead of the capsule nose. It was found that the stagnation region is a thermally stressed zone. It was also found that the stagnation region is a zone of strong compression, high wall pressure. Wall pressure distributions are compared with those of available experimental data and good agreement is found along the spherical nose for the altitude range investigated.Comment: The paper will be published in Vol. 42 of the Brazilian Journal of Physic

Western European Defense Spending and Force Structure- To What Ends?

Western Europeans in the post-Cold War era enjoy unprecedented security at home, and undertake very little strategic action abroad. The object of this paper is to explain why they nonetheless maintain large military forces, mostly in Europe, configured and armed primarily for territorial defense. Three general factors contribute to Western European force structure. First, despite supranational integration and other encroachments on its authority, the state retains control over defense policy and substantial armed forces because these – and not international institutions -- remain the ultimate guarantors of its independence and sovereignty. Second, in contemporary conditions, Western Europeans face increased risk of strategic abandonment by their superpower Ally, the United States. To avoid encouraging a U.S. withdrawal from Europe, and to prepare for the consequences of such an eventuality, the European Allies must maintain capabilities for self-defense and for regional strategic action. Third, manpower-intensive territorial defense forces apply military spending disproportionately to pay and personnel benefits, and are therefore compatible (in a way that expeditionary militaries would not be) with the primary welfare role of the European state

Self-stabilised fractality of sea-coasts through damped erosion

Erosion of rocky coasts spontaneously creates irregular seashores. But the geometrical irregularity, in turn, damps the sea-waves, decreasing the average wave amplitude. There may then exist a mutual self-stabilisation of the waves amplitude together with the irregular morphology of the coast. A simple model of such stabilisation is studied. It leads, through a complex dynamics of the earth-sea interface, to the appearance of a stationary fractal seacoast with dimension close to 4/3. Fractal geometry plays here the role of a morphological attractor directly related to percolation geometry.Comment: 4 pages, 5 figure

Response functions of a germanium-sodium iodide detector system.

A gamma ray spectrometer is described which uses a lithium drifted germanium diode or sodium iodide crystal as a central detector in conjunction with an annular segmented sodium iodide assembly. The system can operate as a total absorption, anticoincidence, or pair spectrometer and individual detectors may be used separately. Thus, the requirements of high resolution or high efficiency gamma ray spectroscopy can be met by suitable choice of mode of operation. The various modes of operation are compared and typical results given to illustrate their performance at a variety of gamma ray energies. A detailed analysis is given of the response of 30 cm3 Ge(Li) detector for gamma rays up to 17.6 MeV

An output-sensitive algorithm for the minimization of 2-dimensional String Covers

String covers are a powerful tool for analyzing the quasi-periodicity of 1-dimensional data and find applications in automata theory, computational biology, coding and the analysis of transactional data. A \emph{cover} of a string $T$ is a string $C$ for which every letter of $T$ lies within some occurrence of $C$. String covers have been generalized in many ways, leading to \emph{k-covers}, \emph{$\lambda$-covers}, \emph{approximate covers} and were studied in different contexts such as \emph{indeterminate strings}. In this paper we generalize string covers to the context of 2-dimensional data, such as images. We show how they can be used for the extraction of textures from images and identification of primitive cells in lattice data. This has interesting applications in image compression, procedural terrain generation and crystallography

Development and inter-rater reliability of the Liverpool adverse drug reaction causality assessment tool.

To develop and test a new adverse drug reaction (ADR) causality assessment tool (CAT)