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Background. The use of volatile anaesthetics has increased in situations where conventional anaesthetic machines are inadequate or unavailable, for example, cardiac surgery and intensive care. The disposable anaesthetic conserving device, AnaConDaw, allows vaporization of liquid volatile anaesthetics from a syringe pump and rebreathing of exhaled anaesthetic. Clinical use requires understanding of
Most nuclear reactors, both in Sweden and worldwide, are enclosed by a prestressed concrete containment. The main purpose of the containment is to prevent any radioactive discharge to the environment in the event of a major internal accident. The performance and structural integrity of the containment depends on the compressive stresses induced in the concrete by the prestressing system. However,
With larger penetrations of wind power, the uncertainty increases in power systems operations. The wind power forecast errors must be accounted for by adapting existing operating tools or designing new ones. A switch from the deterministic framework used today to a probabilistic one has been advocated. This two-part paper presents a framework for risk-based operations of power systems. This framew
Modulation of customer loads for increased power system damping is suggested as an alternative to control of HVDC links and FACTS devices. The loads are modeled as real power controlled by local bus frequency, which is equivalent to viscous damping in a mechanical system. The qualitative aspects of the interaction between two load modulation controllers are studied using linearized models of two t
