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Gränslöst uppdrag : om fackligt förtroendevaldas psykosociala arbetsmiljöTörnblom, Eva Unknown Date (has links)
The two swedish unions, Akademikerförbundet SSR and Kommunal, have a majority of female participations who mainly work in the public services. The difference between the unions is that one of them only represents members with academic educations and the other has members with lower educations. The aim of this study was to compare the two unions according to the terms exit, voice and loyalty, but also participation and influence. There were 142 participants in this study and 8 participants were interviewed in a pre-study. The result of the study shows that voice is a strong predictor to wellbeing in work life. Influence has the same effect in wellbeing and it is clear that individuals with academic education has a higher degree of influence in the workplace. Although there was a tendency for participants with higher education to have a lower degree of wellbeing. Exit was found to have negative correlation with wellbeing.
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Low-complexity iterative receivers for multiuser space-time block coding systemsYang, Yajun 31 October 2006
Iterative processing has been shown to be very effective in multiuser space-time block coding (STBC) systems. The complexity and efficiency of an iterative receiver depend heavily on how the log-likelihood ratios (LLRs) of the coded bits are computed and exchanged at the receiver among its three major components, namely the multiuser detector, the maximum a posterior probability (MAP) demodulators and the MAP channel decoders. This thesis first presents a method to quantitatively measure the system complexities with floating-point operations (FLOPS) and a technique to evaluate the iterative receiver's convergence property based on mutual information and extrinsic information transfer (EXIT) charts.<p>Then, an integrated iterative receiver is developed by applying the sigma mappings for M-ary quadrature amplitude modulation (M-QAM) constellations. Due to the linear relationship between the coded bits and the transmitted channel symbol, the multiuser detector can work on the bit-level and hence improves the convergence property of the iterative receiver. It is shown that the integrated iterative receiver is an attractive candidate to replace the conventional receiver when a few receive antennas and a high-order M-QAM constellation are employed.<p> Finally, a more general two-loop iterative receiver is proposed by introducing an inner iteration loop between the MAP demodulators and the MAP convolutional decoders besides the outer iteration loop that involves the multiuser detection (MUD) as in the conventional iterative receiver. The proposed two-loop iterative receiver greatly improves the iteration efficiency. It is demonstrated that the proposed two-loop iterative receiver can achieve the same asymptotic performance as that of the conventional iterative receiver, but with much less outer-loop iterations.
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Temperament in beef cattle : methods of measurement, consistency and relationship to productionSebastian, Thomas 14 December 2007
Two behavioural studies were conducted at the University of Saskatchewan beef feedlot. In the first study, the temperament of 400 steers was determined using both objective and subjective measures. The consistency of temperament, over repeated tests and between different measures, was also tested. The objective behavioural tests were conducted during the individual restraint of the steers using strain gauges and an MMD (movement-measuring-device). The time required for the steers to exit the area was also recorded. Subjective assessment of animals responsiveness during restraint was recorded on a scale of 1-5 (calm to wild). The consistency of individual differences in a steers response within the evaluation series and across repetitions, shows that this trait may represent a stable personality of the animal. The significant relationship between objective and subjective measures demonstrates that objective measures of temperament can be used to replace the traditional subjective scale as it has the added advantage of reducing inter- and intra-observer variability. The positive relationship of subjective scores and MMD values with the steers performance (average daily weight gain) shows not only that a calm temperament is conducive to productivity, but also that objective measures can replace subjective techniques for assessing temperament for performance evaluation. In the second study the reactivity of a subset of the original 400 steers (262 animals from 8 pens) to a novel stimulus was assessed. The purpose of this experiment was to determine if a steers behavioural response in the novel test was correlated to its temperament assessment determined in the first study. A remote controlled ball was dropped from the ceiling of a salt feeder while a steer licked the salt. Two overhead cameras connected to a monitor through a VCR and time lapse recorder permitted us to observe and document the response. A lack of correlation between measures of handling and novelty measures show that reactivity of animals in the handling chute and their responsiveness to the novel stimulus do not represent one and the same trait.
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Coordinating Cell Cycle Exit and Differentiation in the Mammalian Retina and its Dependence on RbPacal, Marek 06 December 2012 (has links)
Cell cycle exit (“birth”) of retinal progenitor cells (RPCs) is considered a watershed that is preceded by changing levels of cell cycle regulators, and followed rapidly by induction of a post M-phase differentiation cascade. Yet the actual dynamics of these events are largely unclear, thus whether mitosis separates pre- and post- birth differentiation cascades is unproven. We characterized the regulation of many division and differentiation markers relative to each other and final mitosis. Unexpectedly, classic “cell cycle” markers were present well beyond exit (e.g. Ki67, Pcna), early embryonic RPCs expressed “differentiation” markers that later labeled post-mitotic neurons
exclusively (e.g. Brn3b, Tubb3, Ptf1a), and factors detected just after cell birth in the
embryo were induced well beyond M-phase post-natally (e.g. Nrl, Crx). Thus, the dynamics of birth-associated events shift dramatically during development, even to either side of mitosis. Instead of mitosis behaving as a cog that activates post-exit
differentation events we suggest that a common trigger induces both the exit and
differentiation programs in RPCs, precisely coordinating their startpoints, but that each
subsequent cascade unfolds independently. This model explains the convergence of birth
and differentiation but also their temporal maliability. This view fits with our
observation that in the absence of the Rb tumor suppressor, differentiation still initiates even without cell cycle exit. Finally, neoplastic transformation in the mouse retina requires loss of Rb and its relative p107, and emerging tumor features suggest an amacrine cell-of-origin. We studied Rb/p107 null clones, and noted two striking features. First, despite initial expansion of aberrantly dividing differentiating cells, apoptosis
pruned clones precisely to wild type sizes. “Cell competition” maintains tissue size by selecting fitter over weaker progenitors; our data provide a unique example of competition among differentiating cells. Second, despite normal numbers of amacrine cells per Rb/p107 null clone, more clones contained amacrine cells and fewer had bipolar cells. Both this effect and ectopic division were E2f1-dependent. Thus, the oncogenic initiation event in mouse retinoblastoma triggers a very early fate switch, even before neoplastic transformation, broadening the possibilities for the cell-of-origin of retinoblastoma, and arguing that even very early stage tumors cannot be used to define cancer origin.
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Coordinating Cell Cycle Exit and Differentiation in the Mammalian Retina and its Dependence on RbPacal, Marek 06 December 2012 (has links)
Cell cycle exit (“birth”) of retinal progenitor cells (RPCs) is considered a watershed that is preceded by changing levels of cell cycle regulators, and followed rapidly by induction of a post M-phase differentiation cascade. Yet the actual dynamics of these events are largely unclear, thus whether mitosis separates pre- and post- birth differentiation cascades is unproven. We characterized the regulation of many division and differentiation markers relative to each other and final mitosis. Unexpectedly, classic “cell cycle” markers were present well beyond exit (e.g. Ki67, Pcna), early embryonic RPCs expressed “differentiation” markers that later labeled post-mitotic neurons
exclusively (e.g. Brn3b, Tubb3, Ptf1a), and factors detected just after cell birth in the
embryo were induced well beyond M-phase post-natally (e.g. Nrl, Crx). Thus, the dynamics of birth-associated events shift dramatically during development, even to either side of mitosis. Instead of mitosis behaving as a cog that activates post-exit
differentation events we suggest that a common trigger induces both the exit and
differentiation programs in RPCs, precisely coordinating their startpoints, but that each
subsequent cascade unfolds independently. This model explains the convergence of birth
and differentiation but also their temporal maliability. This view fits with our
observation that in the absence of the Rb tumor suppressor, differentiation still initiates even without cell cycle exit. Finally, neoplastic transformation in the mouse retina requires loss of Rb and its relative p107, and emerging tumor features suggest an amacrine cell-of-origin. We studied Rb/p107 null clones, and noted two striking features. First, despite initial expansion of aberrantly dividing differentiating cells, apoptosis
pruned clones precisely to wild type sizes. “Cell competition” maintains tissue size by selecting fitter over weaker progenitors; our data provide a unique example of competition among differentiating cells. Second, despite normal numbers of amacrine cells per Rb/p107 null clone, more clones contained amacrine cells and fewer had bipolar cells. Both this effect and ectopic division were E2f1-dependent. Thus, the oncogenic initiation event in mouse retinoblastoma triggers a very early fate switch, even before neoplastic transformation, broadening the possibilities for the cell-of-origin of retinoblastoma, and arguing that even very early stage tumors cannot be used to define cancer origin.
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ENTRY/EXIT IMPROVED SEAT FOR A PASSENGER’S CAR : Sliding Seat for Volvo S80Huertas Dominguez, Ana, Perez Bueno, Maria del Pilar January 2012 (has links)
This thesis work is focused on the design of a mechanism for the passenger’s seat of a Volvo S80. This mechanism will facilitate the problems arised when somebody with limited mobility, either permanent or temporal, is entering or exiting the vehicle. The main aim is to obtain an affordable device that enhances the life of those with reduced mobility, but paying special attention to those who do not receive any kind of economical help from the government. The idea is to be able to move the seat to the outside of the car so that one can seat with no special effort. Then, the mechanism, manually, performs the movements to bring it back to the inside. The concept of being manual is to avoid electronic devices that will surely increase the cost. In this project, a possible design solution has been developed. A model was created with Autodesk Inventor 2012. The three basic positions of the mechanism were studied to determine the structural behavior of the product. For these studies, a load compensating the weight of a human was applied and the stresses and the deformation were analyzed by Finite Element Methods and the study was concluded when the safety factor was over 2.
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Exit, entry and industry turbulence in Austrian manufacturing. 1981-1994.Hölzl, Werner January 2002 (has links) (PDF)
This research explores both industry and temporal aspects of entry, exit and industry turbulence in Austrian manufacturing in the period between 1981 to 1994. It is shown that while the net entry of both firms and establishments is quite stable over time, exit and especially the turnover and volatility of firms is influenced more by temporal effects. A regression analysis into the determinants of industry dynamics associated with entry and exit shows that sunk costs, scale economies and industry growth are primary determinants for different entry and exit regimes across 2-digit sectors, while profitability is found to be significant for dynamics related to exit but not for the entry of firms. The net entry dynamics of firms and establishments are found to be different in regard to capital intensity and profitability. (author's abstract) / Series: Working Papers Series "Growth and Employment in Europe: Sustainability and Competitiveness"
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Low-complexity iterative receivers for multiuser space-time block coding systemsYang, Yajun 31 October 2006 (has links)
Iterative processing has been shown to be very effective in multiuser space-time block coding (STBC) systems. The complexity and efficiency of an iterative receiver depend heavily on how the log-likelihood ratios (LLRs) of the coded bits are computed and exchanged at the receiver among its three major components, namely the multiuser detector, the maximum a posterior probability (MAP) demodulators and the MAP channel decoders. This thesis first presents a method to quantitatively measure the system complexities with floating-point operations (FLOPS) and a technique to evaluate the iterative receiver's convergence property based on mutual information and extrinsic information transfer (EXIT) charts.<p>Then, an integrated iterative receiver is developed by applying the sigma mappings for M-ary quadrature amplitude modulation (M-QAM) constellations. Due to the linear relationship between the coded bits and the transmitted channel symbol, the multiuser detector can work on the bit-level and hence improves the convergence property of the iterative receiver. It is shown that the integrated iterative receiver is an attractive candidate to replace the conventional receiver when a few receive antennas and a high-order M-QAM constellation are employed.<p> Finally, a more general two-loop iterative receiver is proposed by introducing an inner iteration loop between the MAP demodulators and the MAP convolutional decoders besides the outer iteration loop that involves the multiuser detection (MUD) as in the conventional iterative receiver. The proposed two-loop iterative receiver greatly improves the iteration efficiency. It is demonstrated that the proposed two-loop iterative receiver can achieve the same asymptotic performance as that of the conventional iterative receiver, but with much less outer-loop iterations.
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Temperament in beef cattle : methods of measurement, consistency and relationship to productionSebastian, Thomas 14 December 2007 (has links)
Two behavioural studies were conducted at the University of Saskatchewan beef feedlot. In the first study, the temperament of 400 steers was determined using both objective and subjective measures. The consistency of temperament, over repeated tests and between different measures, was also tested. The objective behavioural tests were conducted during the individual restraint of the steers using strain gauges and an MMD (movement-measuring-device). The time required for the steers to exit the area was also recorded. Subjective assessment of animals responsiveness during restraint was recorded on a scale of 1-5 (calm to wild). The consistency of individual differences in a steers response within the evaluation series and across repetitions, shows that this trait may represent a stable personality of the animal. The significant relationship between objective and subjective measures demonstrates that objective measures of temperament can be used to replace the traditional subjective scale as it has the added advantage of reducing inter- and intra-observer variability. The positive relationship of subjective scores and MMD values with the steers performance (average daily weight gain) shows not only that a calm temperament is conducive to productivity, but also that objective measures can replace subjective techniques for assessing temperament for performance evaluation. In the second study the reactivity of a subset of the original 400 steers (262 animals from 8 pens) to a novel stimulus was assessed. The purpose of this experiment was to determine if a steers behavioural response in the novel test was correlated to its temperament assessment determined in the first study. A remote controlled ball was dropped from the ceiling of a salt feeder while a steer licked the salt. Two overhead cameras connected to a monitor through a VCR and time lapse recorder permitted us to observe and document the response. A lack of correlation between measures of handling and novelty measures show that reactivity of animals in the handling chute and their responsiveness to the novel stimulus do not represent one and the same trait.
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Den svenska uttagsbeskattningen : Hur förhåller den sig till EU-rättens etableringsfrihet?Wyrén, Malin January 2012 (has links)
Inom EU upprätthålls en inre marknad där fri rörlighet för varor, personer, tjänster och kapital säkerställs. Friheterna innebär att all diskriminering på grund av nationalitet i med-lemsstaternas nationella lagstiftning ska avskaffas, vilket följer av EU-rättens företräde framför nationell lagstiftning när regelverken kolliderar. Om en lagstiftning verkar begränsande för någon av dessa friheter måste reglerna rättfärdi-gas eller ändras. Rättfärdigande kan ske genom de fördragsstadgade undantagen eller ge-nom ett undantag som accepterats i EU-domstolens rule of reason-doktrin. De svenska reglerna för uttagsbeskattning har under de senaste åren utvecklats efter EU-rättens praxis. Senast i november i fjol meddelade EU-domstolen ett avgörande som änd-rade förutsättningarna för rättfärdigandet av begränsningar av etableringsfriheten. Den 1 januari i år uppdaterades anståndsreglerna för inbetalningen av uttagsskatten. Frågan är nu huruvida den svenska uttagsbeskattningen är förenlig med etableringsfriheten. Enligt min bedömning verkar den svenska uttagsbeskattningen begränsande för utövandet av etableringsfriheten. Det beror på att det finns en diskrepans för hur bolag beskattas be-roende på om de flyttar eller behåller sin hemvist inom Sverige. Begränsningen kan dock motiveras enligt rule of reason-doktrinens rättfärdigandegrund om fördelningen av be-skattningsrätten mellan medlemsstaterna i enlighet med territorialitetsprincipen. I stort kan jag inte anse annat än att lagstiftningen även är proportionerlig mot detta syfte, men det finns situationer som aktualiserar ett krav på att den skattskyldige ska ställa säkerhet för in-betalningen av skatten, vilket jag anser är ett strängare krav på den skattskyldige än vad som kan anses vara motiverat. / Within EU an internal market is maintained where free movement of goods, people, ser-vices and capital are ensured. These freedoms mean that all discrimination on grounds of nationality in domestic laws should be abolished, which is a result of EU’s superiority which cannot be overridden by domestic law. If a law seems limiting of any of these freedoms, the rules must be justified or changed. The limitation can be justified by either the exceptions enacted in the Treaty or by the prin-ciple of rule of reason. The Swedish rules of exit-taxation have during the last years been developed after EU law practice. In November last year the Court of Justice of the European Union announced a preliminary ruling which changed the conditions for justifications of restrictions on the freedom of establishment. On January first this year, the domestic rules of granting of de-ferment of the payment of the exit-tax were renewed. The question now is whether the Swedish exit-taxation is compatible with the freedom of establishment. In my opinion the Swedish exit-taxation can have a restricting effect for the use of the freedom of establishment. This is because there is an inconsistency on how companies are taxed, depending on whether they move or keep their habitual residence in Sweden. The restriction may however be justified by the principle rule of reason by the purpose of en-suring the balanced allocation of powers of taxation between the Member States, in accor-dance with the principle of fiscal territoriality. Generally I cannot consider otherwise than that the legislation also is proportionate to that purpose, but there are situations when the taxpayer is required to provide a bank guarantee to secure the payment of the tax, which I think is a more stringent requirement on the taxpayer than can be justified.
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