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440 Uppsatser om Branch diameter - Sida 13 av 30
Hållfasthetssortering av plankor med hjälp av röntgendata
The aim of this thesis is to find a statistical model that sort logs according to a predicted modulus of elasticity on the sawn boards. The input parameters for the model are X-ray variables from an X-ray scanner. For some of the log classes sawn at the sawmill it is desirable to have a narrow distribution of modulus of elasticity on the sawn boards. 250 pine logs from five different diameter classes were numbered and followed through the sawmill process. Log data were collected from X-ray and 3-D scanners in the log intake.
Design av en ejektorspädare samt ett system för partikelmassmätning av dieselavgaser
This master thesis was a subtask of a project called EMIR-1. The goal with the thesis was tobuild a system for particulate mass measurements in one of the engine test cells at KTH. Theparticulate mass measurements are planned to be measured with a TEOM.The exhaust gases must first be diluted with air before the sample is sent to the TEOM.Therefore an ejector diluter for this matter also was designed and evaluated in the thesis.Emissions measurements have been done both with and without dilution to determine thedilution ratio. Tests have been done for different speeds and loads.Problems with stability of the dilution ratio have been an issue throughout the process andpressure pulsations in the exhaust pipe are believed to be the cause. More tests have to be done tomake sure that this is the problem.One idea is to make the inner diameter of the diluter nozzle smaller and see if it changes thedilution ratio stability.
Aktiv bullerdämpning i ventilationssystem
Examensarbetet utfördes på Avdelningen för signalbehandling vid Blekinge Tekniska Högskola i samarbete med företaget Lindab AB i Båstad. Arbetet är en vidareutveckling av tidigare examensarbete på institutionen. Intresset för bullerdämpning har ökat dramatiskt på senare tid, då forskning visat bullrets negativa inverkan på folk. Buller är inte bara skadligt för hörseln, utan kan även vara psykiskt påfrestande och ger upphov till trötthet och huvudvärk. För att undertrycka buller i t.ex.
Positionering av markörer för luftrörelser : handhållen längdmätare kontra laserskanning
Luftens tillstånd (t.ex. temperatur och fuktighet) och rörelser i större lokaler kan mätas med hjälp av ett klimatmätsystem. För att luftens temperatur och fuktighet samt hastighet och riktning ska kunna simuleras i 3D måste sensorerna i klimatmätsystemet positioneras. I denna studie har två metoder som kan användas för positionering av objekt jämförts och utvärderats. En ena är enkel i sitt utförande och använder sig av en handhållen längdmätare.
Dödsorsaker och överlevnad hos svenska katter diagnosticerade med hypertrofisk kardiomyopati
Hypertrofisk kardiomyopati, HCM, är kattens vanligaste hjärtmuskelsjukdom. Katter med HCM kan leva länge men ett ansenligt antal drabbas av hjärtsvikt, arteriell tromboembolism (ATE) eller plötslig död. Sjukdomen karakteriseras av en icke kongenital koncentrisk hypertrofi utan dilatation av vänster kammare. Etiologin för sjukdomen är inte helt klarlagd men den har visats vara genetiskt betingad hos flera raser och ha ett autosomalt dominant nedärvningsmönster. Kliniskt är HCM en uteslutningsdiagnos som ställs vid en ultraljudsundersökning av hjärtat då andra orsaker till hjärtmuskelhypertrofi uteslutits.
Syftet med detta arbete var att undersöka dödsorsaker och överlevnaden hos katter diagnosticerade med HCM samt att undersöka olika kliniska variablers diagnostiska värde.
Katter som under perioden 2005-01-01 till 2010-12-31 fick diagnosen HCM på Universitetsdjursjukhuset i Uppsala men ej utvecklat kongestiv hjärtsvikt vid diagnostillfället inkluderades i studien.
Så kan arbetsegenskaper påverka de anställdas arbetstillfredsställelse inom en svensk matgrossist
It exists today a widespread interest for employee satisfaction, much effort are used in companies to achieve job satisfaction within their employees. One theory that has received a great deal of publicity is Hackman & Oldhams Job characteristics model which addresses the question of how companies can provide job satisfaction through organizational change. The foundation of the theory is that five core job characteristics are responsible for creating job satisfaction. The purpose of this paper is to study these characteristics through the employees and their boss and to determine how they believe these characteristics to affect employee satisfaction. The paper focuses on a company located in a branch widely known for low employee satisfaction.
Kundrelationer och kundlönsamhet: En fallstudie av ett modeföretag
This thesis studies the customer relationships and customer accounting methods used by a Swedish fashion company. The aim is to test the empirical applicability of the relationship based framework developed by Lind and Strömsten and to explain potential differences between empirical observations and theory. The framework is based on the categorization of four customer relationship groups and the appropriate customer accounting methods to be used for each relationship. The fashion company, that recently assessed the profitability of its customer base in an aim to implement a new customer strategy, is the object of the qualitative case study. The case study reveals that all customer relationships are to be found at Whyred, except the connective customer relationship.
Relation utan oberoende? : En studie av sex mindre revisionsbyråer
Real estate managers work in a hard branch with big competition and skeptical customers. For most people, buying a property is the biggest private purchase of their lives. This puts a big pressure on the real estate agent to make the process run smooth. But how does the customer know which real estate manager to choose? We have researched what effect the real estate managers clothing has on the customers? first impression and how clothing affects customers? choice of real estate agents.To answer our questions we´ve done 13 projective interviews with ten customers and three real estate agents, where we showed four pictures with the same person dressed in different styles.
Fyrkantiga klossar i runda hål? En undersökning av vissa berörda parters inställning gällande delandet av musikfiler över Internet
The aim of this study has been to investigate the views concerning the sharing of music files over the Internet as expressed by some of the parties engaged in the current debate in Sweden concerning these issues. The purpose of this study has also been to scrutinize the views about music filesharing as expressed by the parties in question, as well as the conclusions possible to extrapolate from these opinions. The method used to gather information from the parties subjected to this study has been by conducting and recording interviews with representatives from the organizations and companies entities in question. Those entities are: the Record Company Sony/BMG, The Swedish branch of the organization IFPI International Federation of the Phonographic Industry and the Swedish organization the Pirate Bureau. The method used to analyze the empirically gathered material has been inspired by a method common in the discipline of philosophy of education known as Phenomenography.
Modeller för brösthöjdsålder för tall och gran :
The purpose of this study was to develop two types of prediction models for Scots Pine
and Norway Spruce. The first type for calculation of the stump diameter under bark the
year the tree reached breast height (Dstubh130). The second type for calculation of the
annual difference, e.g. the number of growth years between stump height (0.2 m) and
breast height (1.3 meters above ground level). The primary thought with these prediction
models is to obtain the breast height age in the trees on basis of the number of annual
rings at stump.
Yrkesrelevant Gymnasiearbete på El- och Energiprogrammet
The purpose of this development project is to create a model for working with a high school project in Electrical and Energy Program. It should be conducted in a form like companies do according to the goals from The Swedish National Agency for Education. In order to fully perform this we use the concept of Young Entrepreneurship. The model is created according to the new conditions from The National Electrical Safety Board. There is now an exception saying that a student during education is released from the demand of employment that is the normal procedure where you are under supervision from a certified electrician. During the project there has been theoretical and practical examinations in order to clear out the advantages and disadvantages using this model, but also to examine whether it is useful in the future and to what extent it can be used. The result indicates that the model is useful and fulfills the goals from The Swedish National Agency for Education but that the model has its limitations and difficulties.
Behovsanpassad bevakning
The market for security is one filled with great opportunities. The security services companies are numerous and diverse, the Swedish market is dominated by two large companies: Securitas Bevakning AB and Falck Security AB. In this study we have focused on the bigger of the two, Securitas. This report describes and analysis the security service branch and its surroundings in an involved manner. The target group of the result is mainly people within the security branch.
Friktionskoefficient
Studien undersöker om huruvida Lindberg och Graléns tvistmetod är möjlig att vidareutveckla och tillämpa vid mätning av friktionskraft fiber mot fiber med en dragprovare. Extrautrustning har konstruerats och monteras i anslutning till dragprovarens klämmor, då uppnås önskad geometri för tvistmetoden. Friktions- koefficienten beräknas med avstamp från en given formel. Material som undersöks är Polyamid 6.6 (PA 6.6) samt Polytetrafluoreten (PTFE). Testmetoden har optimerats genom försök där tvistantal, pålagd last och fiber- diameter har varierats vid ett konstant avstånd mellan dragprovarens klämmor.
Tillbudsrapportering : Skillnaden mellan två arbetschefsgrupper
In autumn 2010, the Division of Civil Engineering at the Swedish building contractorPEAB made a campaign to increase the number of reported incidents. Informationwas sent to the branch manager who was responsible to enlighten the employees onthe establishment. The goal of PEAB Division of Civil Engineering is to have at least 10reported incidents per accident that generate more than 8 hours absence. Therefore,it is important that the employees understand how the report system for incidentsworks. The number of reported incidents differs between regions.
Förtolkat digitalt data till skogsägarplan
The purpose of this study is to investigate how to use remote sensing data when making a forest management plan. The main focus of the study is to compare different methods to identify forest stands of a forest property, and by manual measures and estimates try to evaluate the quality of interpreting data.
This report is based on survey questions sent to five different organizations working with remote sensing data. Only two of these where willing to participate in this investigation. The organizations where asked to analyze the same forest property and divide into compartments and make estimations of volume, basal area etc. in every stand.