Choosing to Make a Difference: Reflections on Mentoring Students

Reflecting on the journey of mentoring students for the past two decades yields one librarian’s insight about mentoring for career options and mentoring for vocation. The need for guidance exists among undergraduate students. Mentoring opportunities depend on the institutional support available. While research universities may at times support some career mentoring, Christian higher education affords a venue for vocational mentoring that is enriching for both mentor and students. It is meant to assist graduating students approach life from a Christian worldview that has been thought out through theological reflection on vocation

High amplitude sinusoidal pressure generator

Generator is an inlet-area-modulated, gas-flow-through device utilizing hydrogen gas and a rotating disk for operation. Design enables generator to produce pressure oscillations as high as 120, 18, and 12 percent of the mean chamber pressure at frequencies of 1, 10, and 15 kHz, respectively

A proof-theoretic analysis of the classical propositional matrix method

The matrix method, due to Bibel and Andrews, is a proof procedure designed for automated theorem-proving. We show that underlying this method is a fully structured combinatorial model of conventional classical proof theory. © 2012 The Author, 2012. Published by Oxford University Press

Dynamic response of high-frequency pressure transducers to large amplitude sinusoidal pressure oscillations

Dynamic response characteristics of six currently used dynamic pressure transducers were investigated by using a large-amplitude sinusoidal-pressure generator. Frequencies between 1 and 15 kilohertz with corresponding peak-to-peak pressure-oscillation amplitudes ranging between 73 and 8 percent of bias pressure and bias pressures between 15 and 300 psia were utilized. Amplitude-ratio data as functions of frequency and pressure level are given for all transducers. The generator design and performance and associated instrumentation are described