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Parallel kinematik machines are nowadays an important branch of investigation in the robotics field. Its design allows for high speeds, accelerations and tool forces as well as makes them ideals for faster cycle times and high repeatability works. TAU is a parallel kinematic machine from ABB Company with three degrees of freedom. Therefore, it can be positioned anywhere of the workspace but not or
Formula Student is an international inter-universities competition about designing and building a single-seater racing car. One of the most important parts in a car is the suspension system, from the tires to the shock absorbers. This Master Thesis’ report goes through all these parts, looking to theory, different design options, the constraints (rules, economical, packaging, etc) and the final de
The Republic of Moldova is celebrating 20 years of independence and is still almost completely dependent on energy imports from the Russian federation. Renewable energy is in its infancy despite a climate that is well suited for solar and wind energy with 2,300 sunshine hours per year and measured wind speeds up to 8.5 m/s. Moldova has a history of wine production and wide spread usage of more tha
This thesis investigates the driving forces behind the debt level in the Swedish counties, the possibility that the metropolitan areas are different from the rest of the country and presents a short discussion about possible policy actions to address this matter. The results show that housing price and supply, wealth, income and average age have a significant impact on the debt level where a diffe
A new optical interferometer for delay stabilization in attosecond pump/probe experiments is constructed, featuring a custom-made hole-drilled recombination mirror and using a co-propagating HeNe laser for the interference. The interferometer is shown to generate an interference pattern of high enough contrast for delay stabilization. The stability of the measured delay is tested with the interfer
This study focuses on the part of the policy process called implementation. Theorists like Lipsky (1980) and Rice (2012) assign the street-level bureaucrats a major role in this process. The street-level bureaucrats of object in this study are personnel on group homes for unaccompanied minors. Since the children do not have anyone else to look after them, it is the welfare states responsibility to
After the economic recession suffered during the eighties decade, the population under poverty conditions has increased dramatically. With the purpose of amend the situation; President Carlos Salinas has established the biggest anti-poverty program in Mexican history, the Programa Nacional de Solidaridad (PRONASOL). The following three administrations continued the implementation of these policies
We study the Coulomb chain where particles are restricted to one dimension and experience three-dimensional Coulomb interactions with their nearest and next-to-nearest neighbours. The distances between consecutive particles are treated as random variables. It is shown that the correlation between clusters of consecutive variables decay exponentially with the number of variables separating them. Th
Emboldened by the aesthetic,- emotional-, and corporeal turns in the study of world politics, International Relations (IR) scholars are increasingly paying attention to the political dimension of affects and emotions. Yet while, so far, affect and emotions have been studied as (micro-political) forces that circulate between bodies in the context of the everyday, little attention has been given to
Strategies to determine the removal efficiency of micropollutants in wastewater treatment plants (WWTPs) are widely discussed. Especially the evaluation of the potential benefit of further advanced treatment steps such as an additional tertiary treatment based on ozonation or activated carbon have come into focus. Such evaluation strategies are often based on the removal behavior of known micropol
Objective: To update and expand upon prior Osteoarthritis Research Society International (OARSI) guidelines by developing patient-focused treatment recommendations for individuals with Knee, Hip, and Polyarticular osteoarthritis (OA) that are derived from expert consensus and based on objective review of high-quality meta-analytic data. Methods: We sought evidence for 60 unique interventions. A sy
Researchers selecting probands for molecular genetic studies confront a range of sampling issues with modest empirical guidance. In this paper, using cases of major depression (MD), anxiety disorders (AD) alcohol use disorder (AUD), drug use disorder (DUD), bipolar disorder (BD) and schizophrenia (SZ) from a large population cohort of all native Swedes born 1940–2003, we examine the implications o
LONG-TERM depletion of ozone has been observed since the early 1980s in the Antarctic polar vortex, and more recently at mid-latitudes in both hemispheres, with most of the ozone loss occurring in the lower stratosphere1. Insufficient measurements of ozone exist, however, to determine decadal trends in ozone concentration in the Arctic winter. Several studies of ozone concentrations in the Arctic
Reducing the heterogeneity of technical lignin is essential to obtain predictable and high-performance polymeric materials that are suitable for high-value applications. Organic solvents with different polarities and solubilities can be used to fractionate lignin and reduce the complexity and diversity of its chemical structure. Among the various solvents and solvent mixtures, acetone-water mixtur
Develops the Black feminist concept of reproductive justice further in critical dialogue.Includes case studies and perspectives from Sweden, Nicaragua, Poland, Taiwan.Focuses on the historical and contemporary interplay between the state and the pro- abortion/anti-abortion movements.
Stupidity is generally thought of as a hindrance to learning: an epistemic vice that stands in the way of knowledge and understanding. In this article, I challenge this idea by exploring some of the meanings of stupidity that place it in a positive relation to learning. In this light, the article discusses two notions of stupidity: stupidity as unfinished thought and stupefaction through study. I
Poststructuralist perspectives need to be reconciled with political economic readings of urban globalization. One approach complements the other: the enactment of distantiated circuits and the territorialization of flows occur within existing geographies of uneven development while contingently reproducing or reshaping such spatial conditions of possibility. We argue that broadening the realm of c
