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664 Uppsatser om Heart-lung machine - Sida 15 av 45

Möjligheter att öka effektiviteten och det ekonomiska utfallet av barkhanteringen vid Seskarö sågverk :

The sludgebark and to a certain extent the bark were until a decade ago waste products without any economic value that were thrown away. A number of environmental laws and increcing energy prices have improved the prerequisites for increasing the use of these materials. At Seskarö sawmill they burn the sludgebark and a great deal of the bark in the sawmill furnace. The sludgebark has a number of disadvantages compared to bark during burning. The sludgebark is often wet which means the energy net from burning often gets low.

Uppgradering av robotsystem på Termisk sprutning, Volvo Aero

This thesis work resulted in a template for how the thermal spray process can be controlled through robot programs. The robots today and their programs need to be replaced, therefore a new structure which can be matched with the new robot systems is needed. The work is limited to only concern structured programming on the new robots on Thermal Spray Centre (TC) with the programming language Rapid. The basic data for the program was retrieved from interviews with concerned personnel at TC, from studies on process parameters for thermal spray and from existing specifications at Volvo Aero Corporation (VAC). The thesis work briefly describes the process thermal spray and the four methods used at VAC.

Offer eller vilde? : En undersökning av hur "de andra" skildras i Tintin i Kongo, Heart of Darkness och Play

Syftet med den här uppsatsen var att undersöka hur Röda Korset har utvecklats från en idé till en etablerad hjälporganisation i det moderna samhället.Organisationen fick sitt avstamp i och med Henri Dunants bok Europas blodband - minnen från Solferino som kom att påverka hur vi ser på frivillig hjälp i dag. Uppsatsen drar också paralleller mellan Dunant och Elsa Brändström som fann sitt kall i Dunants idéer..

Däck-mark Interaktion hos skogsmaskiner

The most predominant method for forest harvesting in Sweden is the cut-to-length method based on two-machines, a harvester that fells trees and cut them in a predefined length, and a forwarder which transports logs to a landing area for further transport to a processing facility. New machine solutions have to be much gentler to the ground than today?s machines. To be able to develop a forestry machine that preserves the terrain requires a proper understanding of the interaction between tire and soil.The goal of the project is to contribute to the existing knowledge of forest machine tire-soil interaction and to develop a tire-soil model that enables dynamic simulations of forest machines operating in rough terrain. The modeling has especially been focused on the interaction between tires and soft ground.A comparison of theoretical data of different WES-based terrain interaction models and a comparison test data from a full scale field test is presented.

Bredspridning av grönmassa :

There are a great possibility to shorten the time between mowing and preservation by spreading of ley crops in connection to the conditioning. In this case the cellular respiration (the plants breeding that consume sugar until the crop is ensiled) should not continue as long and the forage will perhaps get a higher nutritional value. The capacity of the next machine could also be higher because the rake gives swaths with a lot of material. There is also a possibility that spreading of ley crops gives the material a more homogeneous content of dry matter and that gives a reduced growth of clostridium. This is particularly important when the method of harvest doesn?t include any mixing of the material like it does with a round baler or silagewagon.

Effects of treatment with PiNO (Pulsed Inhaled Nitric-Oxide) on the metabolism in colic horses undergoing abdominal surgery.

The main objective of this research was to study how increased arterial oxygenation by the use of Pulsed Inhaled Nitric-Oxide (PiNO) influenced the metabolic and cardiovascular parameters on horses undergoing acute abdominal surgery because of colic. The parameters blood lactate, blood glucose, pH and heart rate were evaluated before and during anesthesia and closely after recovery. The study showed that blood lactate concentrations decreased significantly during anaesthesia in horses treated with PiNO compared to non-treated horses. It was also seen that the lactate concentration decreased most in horses with the highest levels before PiNO treatment. Since enhanced oxygen extraction ratio was evident in the PiNO group, improved oxygen delivery to the tissue may be a possible explanation for the improved situation.

Intensivvårdssjuksköterskors erfarenheter av att vårda patienter med postoperativt delirium efter hjärtkirurgi

ABSTRACTAim. To describe intensive care nurses´ experiences of caring for patients with postoperative delirium after heart surgery.Background. Delirium is a common condition after heart surgery. Previous research has focused more on pathophysiology, incidence, etiology, prevention, detection and management, and less on how nurses caring for patients with delirium experience it.Design. A qualitative interview study.Method.

Kostnadsbesparingar på EM7 : Omkonstruktioner för billigare tillverkning

This thesis describes how a cost reduction project was done on the Packsize ondemand packing machine EM7. The cost reduction was achieved by making minorredesigns of the EM7.The project began by studying the EM7´s structure and function by working on itsassembly line. A short literature study on the subject Design for Manufacturing wasalso done.By working on the assembly line and by speaking with staff from production anddevelopment departments, a number of ideas for reducing manufacturing costs arose.Estimations of the potential cost reduction size for each proposal were done incollaboration with vendors and the purchasing department. Based on the size of the cost reduction, technical risk, impact on the assembly lineand the development time the various proposals were ranked. The two highestranked proposals were selected for further development towards finished solutions.One of the ideas that were selected to develop in to a finished solution meant thatsome of the pneumatic valves were replaced with others.

Identifiering av lakbara potentiellt farliga ämnen i gummiasfalt

The main purpose of the project was to identify potential environmentally harmful substances which can be leached from rubber asphalt. A method for analysing asphalt was developed and three rubber asphalt materials were analysed after being cryogrinded. One of the materials was also tested in a road machine made for testing of asphalt paving. The particles created in the machine were analysed in the same manner as the cryogrinded asphalt materials.The asphalt materials were leached by water during 24 hours. The leachates were extracted with dichloromethane, dried with sodium sulphate and concentrated to a small volume.

"Det måste finnas lite jävlaranamma" En litteraturstudie om kranskärlspatienters upplevelser i samband med livsstilsförändringar.

The purpose of the literature review was to examine barriers and facilitators to life style changes experienced by patients with coronary heart disease. This knowledge could be of use to the nurse in her role as a support to the patient in the process of life style change. The result from this study shows that family support, knowledege about the disease and motivation are important factors when changing life style behaviors..

Funktionaliteten i skogsmaskiners GIS-system

Holmen Skog is currently using a GPS-program called TraktInfo, originally developed within the company. They are now planning to switch to a new GPSprogram or allowing the contractors to buy other programs available from the logging equipment manufacturers. To be able to offer this flexibility, Holmen Skog needs to obtain information about the features offered by the different manufacturers in their specific programs, and also when the manufacturers are planning to start selling programs adapted to the new standard called StanFord2010. According to the study, the manufacturers are hesitant to StanFord2010 and there has also been a lack of clear signals from the customers and clients about what kind of different new features to include in the programs. The feature most frequently used by forest machine operators today is the option to keep record of the harvester?s path by creating a ?log plot?. This feature was not used to its full potential however, since only one out of eight of the forwarders included in the study had computers that were compatible with the harvester?s computer.

Produktivitet och lönsamhet vid skogsbränsleuttag i klena gallringar : en tidsstudie av Vimek 608 BioCombi i contortabestånd

The annual demands for forest fuels increases in Sweden. At present, large unutilized biomass resources is found in young, dense forests from which about five million oven-dry tonnes (ODt) (23 TWh) could annually be extracted as forest fuel. But harvesting small trees give high logging costs and new cost-efficient harvesting techniques are therefore required. The aim was to study the productivity of Vimek 608 BioCombi in forest fuel thinning of Lodgepole pine and to calculate the economy of the harvesting and estimate the thinning quality. The time study was performed in Åmarken in the county of Västerbotten.

Att leva med lungcancer : Ur ett patientperspektiv

Bakgrund: Ivärlden dör ca 1,4 miljoner människor av lungcancer varje år. Prognosen förlungcancer är sämre än vid insjuknande i andra cancerformer. Mer än fem årsöverlevnad är ovanlig bland både kvinnor och män. Kunskapom erfarenheter av lungcancer är viktiga eftersom det kan leda till bättrevårdupplevelse för patienten. Syfte: Attbeskriva personers erfarenheter av att leva med lungcancer.

Bricoleur, digitala varelser och brus

Bricoleur, digitala varelser och brus utgör tre viktiga noder, runt vilka mitt konstnärliga arbete rör sig. Parallellt med ett antal av mina verk beskrivs dessa begrepp kortfattat..

Katten som modelldjur för lungcancer på människa

Lungcancer är en av de dödligaste formerna av cancer idag. Speciellt en typ av lungcancer har ökat på senare år vilket är adenocarcinom med subtypen bronchioloalveolärt carcinom (BAC). Det har föreslagits att lungcancer på katt skulle kunna vara en bra modell för forskning på BAC. ?Lung-digit syndrome? är en ofta beskriven form av lungcancer hos katt. Syndromet finns även rapporterat hos människa.

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