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Shoreline response behind a detached breakwater and at a T-head groin observed in a large-scale physical model was validated with an updated GENESIS model. A new total load longshore sediment transport rate formula, introduced in this paper, was developed and incorporated in GENESIS to address engineering predictive requirements at coastal inlets. The relationship represents the contribution from
When discussing choice of methodology in evaluation studies, it is wise to reflect upon organizational considerations concerning contracting, conducting and utilization. Based upon research conducted among social workers in Sweden this paper focuses upon possibilities and problems in knowledge dissemination and usage. Powerful institutions in Sweden are now encouraging knowledge development of soc
The sphere-to-rod transition of nonionic micelles of the PEO-PPO-PEO triblock copolymer P123 and the surfactant C12EO6 was studied using dynamic and static light scattering, small angel X-ray scattering, rheology and calorimetry. The transition temperature was dependent of the C12EO6/P123 molar ratio, which means that a larger content of C12EO6 yields a higher transition temperature. Furthermore,
The 65 kDa isoform of human glutamate decarboxylase (GAD65) is a major autoantigen in type 1 diabetes (T1D). In the present study, we have developed a sensitive sandwich time-resolved fluorescence immunoassay (TRFIA) for the quantification of GAD65 in cell extracts, cell media and serum. The monoclonal antibody GAD-6 is used to selectively capture GAD65 but not the slightly larger isoform GAD67, a
It has been demonstrated that PID controllers can be tuned effectively based on an experiment with relay feedback. This paper describes a tuning method for a general digital controller based on relay feedback. The control design method is based on pole placement. An interesting feature is that the sampling period and the desired closed-loop poles are determined from the experiment. The method is a
A new chemical reactor, the Open Plate Reactor (OPR), is being developed by Alfa Laval AB. It has a very flexible configuration with distributed inlet ports, cooling zones and internal sensors. This gives the OPR improved control capabilities compared to standard chemical reactors in addition to better heat transfer capacity. In this paper, we address the relationship between the process design,
The formal analysis of normative systems as initiated by Alchourrón and Bulygin can be complemented by the analysis of normative positions as pursued by Kanger, Lindahl, Sergot and Jones. The paper is a step towards integrating the two approaches within an algebraic theory of so-called Boolean quasi-orderings (Bqo's). In the general Bqo theory presented, a number of theoretical tools are introduce
