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On the Performance of IEEE 802.11 QoS Mechanisms under Spectrum Competition

WLANs based on IEEE 802.11 are becoming more and more popular both in commercial and residential settings. However, the very success of 802.11 may become a threat to the technology itself. Since there are only a limited number of non-overlapping channels available in the IEEE 802.11 WLAN standards, this can lead to interference among WLANs in dense areas. In this paper, we investigate the effects

Automatisk hastighetsbegränsning testas i EU-projekt

N400 responses mediated by proficiency rather than age of acquisition in second language learners between 6 and 8 years of age

Deactivation of SCR catalysts by exposure to aerosol particles of potassium and zinc salts

Generated aerosol particle deposition has been applied in laboratory scale to induce deactivation of commercial Selective Catalytic Reduction (SCR) catalysts of V2O5-WO3/TiO2 monolithic type. The monolithic catalyst has been exposed to the generated submicrometer particle of inorganic salts, KCl, K2SO4, and ZnCl2 at 200°C in a tubular reactor. The generated particles have been deposited on the cat

Identification of Systems Using Periodic Excitation

Reading and misreading law: a Man a Woman, a Wedding, an Imam, a Minister of Justice, a District court, a Number of Judges, Sharia, Silence and Misconception (or, in other words: The everyday life of law)

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The Middle Stone Age of Northern Zimbabwe. Perspectives from the excavations of two sites

Visual analysis of stance markers in online social media

Stance in human communication is a linguistic concept relating to expressions of subjectivity such as the speakers’ attitudes and emotions. Taking stance is crucial for the social construction of meaning and can be useful for many application fields such as business intelligence, security analytics, or social media monitoring. In order to process large amounts of text data for stance analyses, lin

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Evaluation of DSM Performance with Mixed DSL Services and Measured Crosstalk Channels

Numerical Study of Cellular Instability in Burner Stabilized Adiabatic Laminar Premixed Flames

The thesis deals with experiments and numerical simulations of adiabatic laminar premixed flames anchored to a heat-flux burner using different mixtures under various operating conditions. The aim is to obtain a better understanding of cellular instability in heat-flux burner anchored flames. Numerical and experimental studies were carried out to characterize the onset and the evolution of cellula

Electrical properties of three-terminal InAs nanowire junctions

Control of the drying section in a paper machine during a web break

A new control strategy for steam pressure control in the drying cylinders during web breaks is presented. The development is performed using a new physical model implemented in Matlab-Simulink. The goal of the control strategy is to obtain the same drying properties after the web break as before the web break as fast as possible.

Design of a Fast and Area Efficient Filter

Overview of Research Projects within Water and Wastewater Systems at IEA, Lund Institute of Technology, Sweden

Some starting points towards a critical feminist methodology

Design problems and optimization methods for core NGI - keynote speech

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Socioeconomic Status and Mortality during the Mortality Transition: A Micro-level Study of Age-specific Mortality in Rural Southern Sweden 1815-1894

This paper deals with socioeconomic differences in mortality among infants, children, adults, and elderly during the period of mortality decline in the nineteenth century. It uses multilevel Cox regression controlling for shared unobserved factors at the family level, and also compares the magnitude of the observed differences between socioeconomic groups with the impact of unobserved factors at f

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