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Advanced PID Control

The authors of the best-selling book PID Controllers: Theory, Design, and Tuning once again combine their extensive knowledge in the PID arena to bring you an in-depth look at the world of PID control. A new book, Advanced PID Control builds on the basics learned in PID Controllers but augments it through use of advanced control techniques. Design of PID controllers are brought into the mainstream

On the Justifications of Piracy: Differences in Conceptualization and Argumentation Between Active Uploaders and other file-sharers

This chapter is, in part, about law and legal change. Law – especially intellectual property law – is greatly challenged in a digital society where media is distributed in global networks, for example via BitTorrent sites such as The Pirate Bay. New norms for behavior set up under new pre-conditions in an online environment have emerged alongside the legal, emphasizing some sort of norm-pluralism

Surface Characterization and Reactivity in Ammoxidation Reactions of Vanadium Antimonate Catalysts

Unsupported vanadium antimonate catalysts with Sb/V ratios of 1 and 5 and samples with the latter ratio supported on alumina were studied in toluene and propane ammoxidation to benzonitrile and acrylonitrile, respectively, and were characterized by X-ray photoelectron spectroscopy (XPS) analysis before and after catalytic tests. Activity data for toluene ammoxidation suggest that excess antimony w

Chronic musculoskeletal pain: a multifactorial process

Popular Abstract in Swedish Bakgrund En grundförutsättning för detta avhandlingsarbete var att smärta i rörelseapparaten kan studeras som ett samlat begrepp. Med två undantag, fibromyalgi och reumatoid artrit, avstod vi därför från att beskriva smärtan utifrån specifika diagnoser. Detta förhållningssätt har stöd i den mest vedertagna definitionen av smärta, som arbetats fram av IASP (InternationaThe aim was to study prevalence, assessment methods, and risk factors of chronic musculoskeletal pain, as well as effects on health status in a general population setting. A postal survey to a representative sample of 3928 subjects aged 20–74 years in 2 municipalities on the west coast of Sweden was followed by clinical examinations of selected subjects, and a three-year follow up survey to 2425

Contextual dependencies and gender strategy

Analysts are often asked to help deliver systems that have a great mix of performance and features. Unfortunately, problematic organizational gender related issues have sometimes been degraded and treated as unrelated to technological issues. While ISD in general is trying to ensure support for businesses, we might in the future expect more than just a gender-ignorant quality-measure in the way th

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The current process of issuing industrial and mineral licenses is complex and time consuming. More specific, industry establishment generally makes environmental pollution. Such negative impact on environment is due to not using proper information and mechanisms for site selection and license issuance. This research suggests a new process/method based on WebGIS enable e-government to simplify the

Ferrochelatase and Magnesiumchelatase: Metal chelation studied with mutants

Popular Abstract in Swedish Tänk dig en solig sommardag. Du går runt med en glass i handen och mår allmänt bra. Runt om dig finns gröna lummiga träd och vackra blommor i alla möjliga färger. Naturen visar verkligen sin vackraste sida. I dagens samhälle tänker man inte så ofta på den mångfald av färger som omger oss. Den blåa himlen, den gula solen, det röda blodet och det gröna gräset. Kanske beroMagnesium chelatase and ferrochelatase are two very important enzymes, which are involved in chlorophyll and heme biosynthesis, respectively. They both use protoporphyrin IX as substrate but magnesium chelatase inserts a magnesium ion whereas ferrochelatase inserts a ferrous ion. These two enzymes have been studied in this thesis. Even though they both insert a metal ion into protoporphyrin IX the

Artificial life goes 'in silico'

The paper reviews a number of cellular neural network implementations on a field-programmable gate-array. It illustrates experimentally, how these implementations can be used to measure from images or to create dynamic, autonomous processes that facilitate measurements within topographic maps. Applications range from image understanding to robot navigation