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1122 Uppsatser om Permanent measurement bias - Sida 13 av 75

3D modelling of a Laser Welding Cell for movie presentation : making of the movie

This report describes a Bachelor thesis work in which a robotised laser welding cell has been modelled and simulated for the purpose of making a presentation movie. The report shows that the work has been concentrated on making the movie from the modelling phase through the recording of the movie and ending up with the editing of the final presentation movie. A pre-study was made prior the Bachelor thesis work. In the pre-study a literature study was conducted about measurement and calibration of a welding cell. Measurement of almost all equipment in the entire cell was also conducted in the pre-study.

P? tiden att bena ut om vegansk kosth?llning ?kar risken f?r frakturer bland vuxna - En systematisk ?versiktsartikel av kohortstudier

Syfte: Syftet med den h?r systematiska ?versikten var att unders?ka om det finns ett samband mellan en strikt vegansk kosth?llning och ?kad risk f?r fraktur hos vuxna Metod: F?r litteraturs?kningen anv?ndes databaserna Scopus och PubMed. Populationen var m?n och kvinnor fr?n 18 ?r. Exponeringen var strikt vegansk kosth?llning. J?mf?relsegruppen var all?tare och utfallsm?ttet var fraktur. Endast kohortstudier inkluderades i ?versikten och s?kningen begr?nsades till studier skrivna p? engelska och svenska.

Bestämning av osäkerheten hos skattningar av tyngdaccelerationen

In this master's thesis the problem of determining the uncertainty for an estimator of an unknown parameter is considered. The case we study is the estimation of gravity using a reversible pendulum. This involves the estimation of the point where two regression lines intersect. The estimated gravity is a function the coordinates of this point. One way to determine the uncertainty of this estimator is to use bootstrap methods.

Att mäta generell skam : En analys baserad på Raschmodellen

The purpose of this paper was to investigate whether Suzanne Retzinger?s linguistic cues for shame and verbal behaviors for hiding shame could be used to measure shame in surveys based on Thomas Scheff?s theory of shame. I created a measurement instrument consisting of 30 statements, which were all meant to measure general shame.The instrument was administrated to 180 respondents studying at Karlstad University, of whom 4 respondents were removed from the data set due to lack of standardization. With the polytomous rasch model used for the analysis, data from 176 respondents were analyzed, of whom 124 respondents were female and 52 were male.The result showed that the measurement instrument?s statements should not be used together because the analysis indicated multidimensionality.

Utveckling av Mätmetoder för Färdmotstånd

The student project Elba at KTH started in 2011 and is a project where a battery driven prototype car is developed. The vehicle competes in Eco Shell Marathon in Rotterdam, Holland. In this competition the vehicle that travels a certain distance including several starts and stops with the lowest energy consumption wins. To minimize the consumption is therefore very important, which requires knowledge of the vehicles energy losses.A vehicle's energy losses depends on several factors and can be divided into the powertrain efficiency and the driving resistance. The driving resistance can then be divided in to rolling and air resistance, if smaller losses like vibrations are ignored.

Reference interval for urinary catecholamines and methylated catecholamines analysed using HPLC

Catecholamines are stress hormones that are produced and released by a rare tumor called pheochromocytoma. This tumor can cause hypertension which if undiagnosed and untreated leads to death. Since good therapy is available, it is important to find the tumor in time. The most common way to diagnose the tumor is measurement of the biochemical markers; catecholamines and their metabolites, methylated catecholamines.After observation that almost all normetanephrine results for women were higher than the upper reference limit and therefore pathological, the accuracy of the present reference intervals was questioned. Therefore new reference intervals for both urinary catecholamines and methylated catecholamines were developed by analysis of 46 samples using HPLC.

Ensamkommande flyktingbarns förväntningar : En undersökning om ensamkommande flyktingbarns förväntningar före flykten och hur förväntningarna infrias efter permanent uppehållstillstånd

Uppsatsens syfte var att genom en kvalitativ undersökning utröna ensamkommande barns förväntningar före flykten, deras tankar om språk, språkinlärning och huruvida dessa förväntningar uppfylls eller förändras efter permanent uppehållstillstånd i Sverige samt om tankarna om språk förändrats. De sex pojkar som intervjuas i studien kommer från Afghanistan, Somalia och Kamerun och hade olika livserfarenheter innan flykten. Uppsatsen visar att förväntningarna förändrades i och med det faktum att de fick lov att börja skolan när de kommit till Sverige något som de inte hade kunnat föreställa sig. Några informanter, vilka var analfabeter, har även fått en för dem helt ny identitet i den bemärkelsen att de nu mera ser sig själva som läsande och skrivande människor vilket de inte hade kunnat föreställa sig tidigare. De som inte gått i skolan tidigare i sina hemländer och inte kan något annat språk än sitt modersmål tycker att det är besvärligt att lära sig svenska, det känns märkligt i munnen att uttala ord och meningar på svenska.

Permanent uppehållstillstånd till syriska flyktingar : diskursanalysom ansvar, stereotyper och EU

Syftet med uppsatsen är att undersöka den diskurs som följde i svensk media efter migrationsverkets beslut att ge syriska flyktingar permanent uppehållstillstånd.Metoden som vi har utgått ifrån är kritisk diskursanalys och innehållsanalys. Som data har vi valt ut tolv artiklar och två TV-program.Resultatet visar att media äger den makt som gör att de får avgöra hur ett sådant beslut ska presenteras och diskuteras. Resultatet visar även att media använder idag en annorlunda diskurs jämfört med 1980 och 1990 talet.Media kan med sin makt avgöra vem som ska/inte ska uttrycka sig. En ?Vi? och ?De? skapas av media som skiljer mellan den etablerade och den oetablerade i samhället.

Val av teknik för hastighetsmätning i kallvalsverk

An often encountered problem when implementing a mass flow regulator in a rolling mill is the one with measurement of speed. The most widely used solution is to fit a pulse counter to a wheel that is in contact with the strip. Common problems with this design are for instance scratch marks on the strip and problems with the flatness measuring system.  One way of circumventing the aforementioned problems would be a non-contact measuring system. The market of today only offers systems based on the Doppler principle.This report evaluates three different systems for non-contact speed measurement. Important areas in the evaluation have been the ability to operate under normal rolling conditions, integration in existing control system and how well the sensor can be fitted to the rolling mill.

Konsekvenser av ny teknik på en sjukhusmottagning

An often encountered problem when implementing a mass flow regulator in a rolling mill is the one with measurement of speed. The most widely used solution is to fit a pulse counter to a wheel that is in contact with the strip. Common problems with this design are for instance scratch marks on the strip and problems with the flatness measuring system.  One way of circumventing the aforementioned problems would be a non-contact measuring system. The market of today only offers systems based on the Doppler principle.This report evaluates three different systems for non-contact speed measurement. Important areas in the evaluation have been the ability to operate under normal rolling conditions, integration in existing control system and how well the sensor can be fitted to the rolling mill.

Effekter av bl?b?rskonsumtion p? normala blodglukos- och blodtrycksniv?er hos vuxna, En systematisk ?versiktsartikel

Syfte: Syftet var att granska det vetenskapliga underlaget och analysera om det fanns effekter av bl?b?rsintag p? plasmaglukos (P-glukos), systoliskt blodtryck (SBP) och diastoliskt blodtryck (DBP) hos vuxna med normala niv?er av P-glukos, SBP och DBP. Metod: En systematisk litteraturs?kning gjordes i databaserna PubMed och Scopus d?r randomiserade kontrollerade studier efters?ktes. Inkluderad population var individer med normala P-glukosniv?er och blodtrycksniv?er samt utan funktionsneds?ttning eller diagnostiserad sjukdom. Interventionen var f?rska, alternativt frysta bl?b?r eller frystorkat bl?b?rspulver.

Effekten av probiotika p? gastrointestinala symtom efter gastric bypass - En systematisk litteratur?versikt om supplementering till v?ra inneboende v?nner, tarmmikrobiotan

Syfte: Syftet med denna systematiska litteratur?versikt var att unders?ka effekten av probiotika p? gastrointestinala symptom efter bariatrisk kirurgi. Metod: Litteraturs?kningen gjordes i PubMed och Scopus. Artiklar som inkluderades inneh?ll patienter i ?ldrarna 16-60 ?r d?r operationsmetoden Gastric Bypass (GBP) genomf?rdes. Interventionsgruppen fick probiotika efter operationen medan kontrollgruppen fick placebo.

Medias bild av ungdomar och skolan : en undersökning av ungdomars reflektioner

Background: Because of the high unhealthy rates among women in the com-mune a project to reduce it have begun. For this reason we have been given the mission from the commune of Sotenäs to study the character of these women's health. Objective: To study the health among permanent employed women in the commune of Sotenäs. Method: Quantitative method. The data have been collected through question-naire survey.

Behovsanställning - en rättsvetenskaplig studie

According to the Employment Protection Act, the permanent employment is the main condition of employment in Sweden. Nevertheless, nowadays a large number of employers choose to apply other conditions of employment than the permanent employment in their businesses. The rapid technical development and the demands for shorter perspective investment in companies on the Swedish labour market have started the requirement for a more flexible workforce. On-call employment is one of the conditions of employment that is increasing the most. This condition of employment is adjusted by the parties on the labour market.

Beteende inför lek hos odlad respektive vild lax (Salmo salar L.) i Klarälven

In many regulated rivers, authorities have stocked hatchery salmon to compensate for loss of wild populations. However, hatchery fish have not always behaved as wild fish do, and stocking them has not always fully compensated for the loss of wild fish. The purpose of this study was to compare swimming behaviour in the river before spawning, the choice of spawning areas and body size between wild and hatchery-reared salmon in the river Klarälven. Salmon behaviour in the river before spawning was analyzed using radio telemetry. The salmon were caught at Forshaga power plant, radio-tagged and returned to Klarälven at Ekshärad, 107 km from the river?s mouth.

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