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Elemental Constituents of Miami Aerosol as Function of Particle Size

Results are presented of proton-induced x-ray emission analysis of aerosol samples taken in Miami, Fla., in the summer of 1974. Elemental concentrations and elemental ratios as a function of particle size are shown for 13 elements. These size distributions allow the determination of the sources of several elements observed in the Miami aerosol. Data from north Florida and Bermuda are compared.

An experiment for evaluating the effectiveness of using a system dynamics simulation model in software project management education

Due to increasing demand for software project managers in industry, efforts are needed to develop the management-related knowledge and skills of the current and future software workforce. In particular, university education needs to provide to their computer science students not only technology-related skills but, in addition, a basic understanding of typical phenomena occurring in industrial (and

A Specification of a Control System for Adaptive Time Stepping

To increase their computational efficiency, time-stepping methods for the solution of ODEs and DAEs are usually adaptive. A control system for the adaptivity includes the automatic control of step size as well as method order, and can be constructed using proven design principles from control theory. It is a ''superstructure,'' surrounding the basic method, that manages the computational process.

Participant, Catalyst or Spectator? – A study of how managers apply control in innovation processes

This study is motivated by two research questions: (1) How is an organizational control system established and maintained in product and process innovation? (2) How are innovation processes facilitated or hindered as a result of the interplay between forms of control and autonomy? The thesis investigates these questions by means of an in-depth longitudinal case study involving 15 innovation projec

Revisiting the lock-in hypothesis on sustainable lifestyles: empirical evidence from consumption of leisure in three Swedish destinations

Sustainable lifestyles and consumption refer to multiple spheres of human activities such as mobility, housing, food and leisure. Increasingly consumers are called upon to assume greater responsibility for changing their lifestyles, primarily through making environmentally sound purchasing choices and changing behavior. To motivate consumers, governments have often focused on improving the provisi

Territorial restrictions in vertical relations

The European preoccupation with a unified market, and indirectly with territorial restrictions, remains problematic. The first sentence of the Commission Green Paper of 22 January 1997 on Vertical Restraints in EC Competition Policy reads: “The creation of a Single Market is one of the main objectives of the European Union.” This axiom is then repeated again and again. Everything can be discussed