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Comparing and combining two approaches to automated subject classification of text

A machine-learning and a string-matching approach to automated subject classification of text were compared, as to their performance, advantages and downsides. The former approach was based on an SVM algorithm, while the latter comprised string-matching between a controlled vocabulary and words in the text to be classified. Data collection consisted of a subset from Compendex, classified into six

Smoking and acute myeloid leukemia: associations with morphology and karyotypic patterns and evaluation of dose-response relations

This case-control study of tobacco smoking and acute myeloid leukemia (AML), emphasizing specific associations with morphologic and cytogenetic subtypes, comprised smoking histories for 333 cases and 351 controls. Smoking status (ever smokers versus life-long non-smokers) showed no evident effect on AML risk. However, an effect of smoking was indicated at high cumulative smoking doses (pack-years)

Simulation of charged colloids in solution

Physicochemical properties of solutions of charged colloids are often dominated by the electrostatic interactions present in such systems. A full determination of these properties constitutes a highly nontrivial many-body problem involving long-range interactions. In electrostatically strongly coupled systems, it is essential to explicitly include both the charged colloids and the small ions in th

A numerical investigation of dimple effects on internal heat transfer enhancement of a double wall cooling structure with jet impingement

Purpose - The dimple is adopted into a double wall cooling structure which is widely used in hot gas components to increase the heat transfer effects with relatively low pressure drop penalty. The purpose of this paper is to study the effect of dimple depth and dimple diameter on the target surface heat transfer and the inlet to outlet friction factor. Design/methodology/approach - The study is ca

Platinum(IV) Bromo Aqua Complexes. Acid Hydrolysis Equilibria and Kinetics of Bromiide Anation

The stepwise stabililty constants, Kn for the bromo aqua complexes PtBrn−1(H2O)7−n5−n; n=4, 5, 6, formed in the successive acid hydrolyses of PtBr62−, have been determined to be K6=(.19±0.1) x 103 M−1, K5= (1.0±0.2) x 104 M−1 and K4=(1.1±0.2) x 105 M−1. A bromide assisted mechanism is proposed for the bromide anations of PtBr4(H2O)2 and PtBr5H2O-. Both these reactions are found to be first order w

Harmonic Mitigation in Traction Drives

In railway traffic the low friction between wheel and rail causes long braking distances, normally much longer than the sight distance of the driver, i.e. if the driver starts the braking when a problem on the track is discovered, it might be too late to brake the train. Therefore, safe railway traffic can not only rely on the driver. It is necessary to have a signalling or even an automatic surve

Skall äldre särbehandlas?

Allt fler får uppleva sin 100-årsdag. I hela Sverige finns det drygt 2 000 personer som är 100 år eller äldre. På fyrtio år har antalet personer över 65 år ökat med 57 %, från 1,17 miljoner 1972 till 1,83 miljoner 2012 – detta samtidigt som den totala folkmängden bara ökat med 17 %. Vad innebär det att åldras i Sverige? Sverige är ett av de få länder som har en äldreomsorg som omfattar alla oavset

A reduced-order through-flow program for choked and cooled axial turbines

A reduced-order through-flow program has been developed at the Lund Institute of Technology. The goal of the work was to develop and verify a program suitable for scientific studies of coaxial turbines. The program has built-in capability for multiple choked stages, and turbine cooling, as well as flexible modules for state, losses, deviation, and blockage. The code uses Matlab [trademark] as a pl

Copyright Protection of Software under the TRIPS Agreement - Software reengineering and reverse engineering in the context of international trade law

In 1994, the Agreement on Trade-Related Aspects of Intellectual Property Rights (TRIPS) was adopted as part of the Agreement Establishing the World Trade Organization (WTO). Pursuant to the TRIPS Agreement copyright protection of computer programs for the first time had received explicit recognition on the international level. Despite obligating all WTO Members to protect computer programs as lite

Auschwitz, autenticitet, kunskap

This essay reflects on issues surrounding the remembrance and teaching of the Holocaust. It was commissioned by the project Living History and the Swedish Prime Minister's Office.