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Purposes, goals, procedures, and practices of past and present cooperative vocational education programs are discussed. A broad spectrum of areas is covered in the 11 chapters, which are also designed to stand on their own: (1) Purposes of Cooperative Vocational Education; (2) Roles of a Teacher-Coordinator; (3) Tasks of a Teacher-Coordinator; (4) Facilitating Career Development; (5) Teaching Work Adjustment Competencies; (6) Recruiting and Guiding Student-Trainees; (7) Placing Student-Trainees; (8) Developing the Occupational Experience Laboratory; (9) Organizing and Articulating Instruction; (10) Following Up Student-Trainees at Work; and, (11) Evaluating the Program. References, additional references, and suggested activities conclude each chapter. Appended materials contain additional information and include: Vocational Education Amendments of 1968, presenting a comparative analysis of cooperative education and work study programs; Teaching Career Analysis figure; Performance Requirements for Teacher-Coordinators, listing 82 clusters; and application form to employ a student-learner. (LH)

This book is designed to help readers improve their understanding of the economics of vocational education, encourage them to develop further their competencies in this realm, and to stimulate interest in broadening the scope of vocational education curricula to include content that will upgrade the economic literacy of vocational education recipients. The first of four major sections is a mini-course in the economics of education. It describes the field of economics and explains the concept of human capital, which forms the basis of a procedure for economic analysis and comparison of educational programs. Section 2 takes the reader through sequential steps in the economics of vocational education, beginning with goals and objectives and ending with a discussion of programmatic investments. Section 3 deals with economic literacy and identifies what teachers and workers should know about economics. Section 4 addresses teachers and curriculum specialists in six service areas of vocational education. Each author in this section addresses the economic roles and contributions of the occupational field served and offers suggestions for teaching applied economic understandings and skills. (LRA)

Studies over many years have revealed the central importance of poly(ADP-ribose) metabolism in the maintenance of genomic integrity. While the involvement of poly(ADP-ribose) polymerase-1 (PARP-1) in this metabolism has been long known, more recent studies have demonstrated the contribution of many different genes coding for PARPs to promoting cellular recovery from genotoxic stress, eliminating badly damaged cells from the organism, and ensuring accurate transmission of genetic information during cell division. Additionally, emerging information suggests the involvement of ADP-ribose polymer metabolism in the regulation of intracellular trafficking, memory formation and other cellular functions. This chapter reviews the chemistry of ADP-ribose polymer metabolism and the enzymes that catalyze the synthesis and turnover of poly(ADP-ribose). [ABSTRACT FROM AUTHOR]

The article focuses on a two-dimensional, second-order linear partial differential equation and its numerical solution through Successive Over-Relaxation methods for solving elliptic partial differential equation discretizations. There are several methods for solving such equations. The most popular among these are parallel Successive Over-Relaxation and parallel multigrid methods for a variety of parallel architectures, including shared memory machines, vector processors and one- and two-dimensional arrays.

The current-phase relation of YBa2Cu3O7−x step-edge as well as 24° and 45° grain boundary Josephson junctions has been investigated experimentally. The junctions were incorporated into a washer-shaped superconducting ring with inductance L≈80-300 pH. The ring was inductively coupled to a tank circuit with a resonance frequency 9…40 MHz. The current-phase relation was obtained from the measurement of the impedance of the phase-biased junction. It is shown, that experimentally observed deviations from harmonic behavior of the apparent current-phase relation for step-edge and 24° grain boundary junctions can be explained by the influence of thermal noise. The current-phase relation of 45° grain boundary junctions was found to be extremely non-harmonic. The reasons of this unusual behavior are discussed. [ABSTRACT FROM AUTHOR]