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Many pharmaceuticals are today produced using genetically modified microorganisms. A typical problem in monitoring and control of biotechnical processes is that many important process variables cannot be measured on-line. This has triggered much research and development concerning new sensors. Another way of addressing the problem is to improve and to extend the use of existing sensors.
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This article discusses the Marxist heritage in queer theory and argues for a historical materialist understanding of queer theory.
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A finite element model for studying fluid-filled pipes is developed by combining an axisymmetric shell element and a one-dimensional fluid element and taking the interaction between shell and fluid into account. Both a symmetric and an unsymmetric element have been developed and evaluated numerically.
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The time-domain theory of forerunners (precursors) in temporally dispersive, nonmagnetic, isotropic materials is developed using the propagator technique. Specifically, the impulse response at a (comparatively) large propagation depth is expanded in two different ways: (a) with respect to the wave-front and (b) with respect to slowly varying field components. A few numerical examples illustrating