A new type of chemical reactor has been designed by Alfa Laval AB, the open plate reactor (OPR), which is a combination of a continuous reactor and a high-performance plate heat exchanger. It combines good mixing with high heat transfer capacity. In this paper we present a mid-rangingcontrol structure for the utility system that provides the open plate reactor with cooling water. The mid-ranging c

Väldigt roligt är det att få skriva om just detta. Det är ju universitetslärare jag varit i halva mitt liv. Under ständigt funderande över vad jag gör och vad det är bra för. Vilka sammanhang jag finns i. Här följer ett litet urval av mina erfarenheter, tankar och drömmar - de flesta framtidsinriktade.

A method is presented for assessing disturbances in SISO loops.The method indicates if the SISO loop under consideration will benefit from an addition of feed forward control from a measured disturbance. The method uses minimal process knowledge and is based on measurement from normal operation.

A 1.8-GHz CMOS VCO is presented, employing a monolithic transformer as an inductance with voltage-controlled value. The design was implemented in a standard digital 0.6 μm, 2-metal CMOS process and exhibits a 10% tuning range with a 2.7 V supply voltage and a 9 mA supply current. Phase noise measurements show a worst-case phase noise of about -112 dBc/Hz at 3 MHz offset from the carrier

This text is an appendix in the reports from the excavations of Hala Sultan Tekke in 2010 by P. Fischer in Opuscula 4 (title: "The New Swedish Cyprus Expedition 2010: Excavations at Dromolaxia Vizatzia/Hala Sultan Tekke"). It is a report of the analysis of the animal bones and includes preliminary conclusions. The text briefly discusses spatial distrubution of the bones and diachronic decrease of

Popular Abstract in Swedish Om vi använder allt tillgängligt fossilt bränsle kommer detta leda till att havsnivån ökar med mer än 50 m, enligt nya rön [1]. Även om detta hot ligger långt in i framtiden, finns ett flertal akuta problem kopplade till den globala uppvärminingen. FNs klimatpanel (IPCC) förutspår i sin senaste rapport en stor ökning av torka, skogsbränder, kraftiga orkaner, svält och mTo enable the transition to a green, bio-based economy, an extensive enzymatic toolbox competitive to traditional chemical procedures is needed. One strong area for enzymes is carbohydrate chemistry, due to the over-functionalized nature of carbohydrates, difficult to handle in traditional chemistry. Glycosylation can be catalyzed by four main classes of enzymes, glycosyltransferases, glycoside ph

In this paper we return to Ronald Giere (1973) and his claim that history of science as a discipline cannot contribute to philosophy of science by providing, partial or whole, solutions to philosophical problems. Let us suppose that Giere was right. Would the implication be that there can be no genuine interdisciplinarity between the two disciplines? In answering this question it is first suggeste