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1072 Uppsatser om Audio Frequency Track Circuit - Sida 64 av 72
Genotype by environment interactions of claw health in Swedish dairy cattle in tie stalls and loose-housing
Claw diseases are common diseases in modern dairy production. They are painful for the cow and costly for the producer. Differences in the prevalence of claw disease depending on housing system have previously been observed. This raises the question if there are genotype by environment (GxE) interactions for claw diseases in different housing systems. To investigate this claw trimming records for Swedish Red dairy cattle (SR) and Swedish Holstein cows (SH) were retrieved from the Swedish Dairy Association.
Risken för spridning av röta vid förröjning i granskog i södra Sverige :
Root rot causes large economical losses for Swedish forestry. The spread of root rot can partly be prevented by treating the spruce stumps in thinnings. Late pre-commercial thinning (PCT) is one of the forestry measures where stump treatment is not used. Late PCT can be defined as: The act of cleaning the stand with the aim of improving accessibility and sight within the stand, and so to increase the mean stem´s volume during the first conventional thinning.
The aim of this study was to examine how late PCT is performed, its spatial extent and if it aids the spreading of root rot. The study was limited to encompass late PCT before first conventional thinnings in spruce stands in southern Sweden.
Samples of spruce stumps were taken from four stands where late PTC had been carried out.
Metodik för utmattningsberäkning av svets i vibrationsmiljö
In this work, a method was developed and evaluated for calculating the life of welds under the influence of fatigue loads from a vibration environment. Typically, a shaker table is used for testing a component against vibration loads. The shaker table creates a vibration environment that is defined in the frequency domain by a power spectrum.Similarly, a virtual vibration table can be used to calculate the same type of load environment, which can then be used to calculate the expected lifetime. The benefit of this method is that it can be used in design, as well as in simulation of tests before physical verification tests are carried out.Today there are methods for calculating fatigue life of non-welded base material, but since many components contain welded joints, there is a need to apply this method to those types as well. To achieve this, the thesis combines two different areas, which together provide a method for fatigue assessment of welds using a virtual shaker table.The methodology is carried out by modeling the component, and its welded joints, in a finite element program.
Lost in translation : Bibliometrisk domänanalys av translation studies
The aim of this thesis is to analyze the academic discipline translation studies; the analysis centers upon bibliometric aspects, and is carried out chiefly by means of quantitative methods, enabled by the databases Web of Science and Scopus as well as by the corpus-linguistic software Wordsmith; however, this quantitative focus is complemented by auxiliary qualitative means of investigation, i.e. a discourse-analytically oriented study of a corpus of domain-endemic reviews.A number of core journals are analyzed in order to show what and whom are cited in translation studies, and, furthermore, what adjacent domains hold sway over it; attention is also given to influential authors, regions and languages operating within the domain. It is shown that the domain under scrutiny is quite differentiated, even fragmentary; the term pluricentric is used to describe this tendency towards sprawling. No superior authors (in terms of publication frequency) emerge, which arouses the suspicion that the domain may be conditioned by a hierarchical divide between journals and monographs. Furthermore, it is clear that translation studies is a eurocentric domain: European languages dominate.
Sensorer och system i mjölkkobesättningar : en litteraturstudie
The trend in milk production is similar in Sweden and across the world; the farms are getting fewer but increasingly bigger. The costs for hiring workers are increasing, which results in more cows per animal keeper. Sensors can then be a great tool for keeping track of animals which need special attention. With a reported decreasing fertility, sensors that can detect oestrus even at low levels can be especially helpful in bigger herds to pinpoint the cows that may be in oestrus. The number of farms with dairy cows that install AMS, Automatic Milking Systems, are increasing, and that also increases the need for sensors to control milk quality and composition when there is no visual control of the milk by a milker before milking starts.For the sensor data to be useful you have to have software designed to analyze and interpret the data to get relevant information that the farmer can use.
Ordfrekvens och ordformer : Analys av samtal mellan barn i åldersgrupperna 5-8 år respektive 9-12 år
Språket är i ständig förändring vilket innebär att språkligt material med tiden föråldras och blir inaktuellt. Vid talaudiometrisk testning av barn är det viktigt att testmaterialet innefattar ord som är välkända för barn eftersom förståelsen för materialet kan inverka på mätresultatet. Det talaudiometriska test som idag används för barn bygger på ordmaterial som ursprungligen insamlats under 1930-talet. Föreliggande studie är en del av ett större projekt och inleder arbetet med att utarbeta ett nytt talaudiometriskt material för barn.Syftet med föreliggande studie var att beräkna och jämföra ordfrekvens och antal ordformer utifrån inspelade samtal mellan de deltagande barnen i åldersgrupperna 5-8 år (Grupp 1) respektive 9-12 år (Grupp 2). Totalt 79 barn mellan 5 och 12 år deltog i studien.
Visualisering inom Operativt Inköp
Visualization plays a key role in the concept of Lean. Lean was developed in Japan as a business philosophy in order to lead to an activity, where only steps that contribute to customer value of the final product are being performed. By defining the customer value and establish visualized standards, it is possible to see when situations differ from the standard. Then it?s possible to lead the process back on track.
Rörelsemönster och golvrenhet på två olika slags spaltgolv i lösdrift för mjölkkor :
About 80 % of all Swedish dairy cows are kept in tie-stalls, but loose housing is increasing, probably because it is more profitable for the farmer. The design of the floors is of cruicial importance to the cows well-being. Traditionally, the most common type of floor in the alleys of a cubicle system still is a slatted manure-draining floor made of concrete. The typical Swedish design has 125-mm slats and 40-mm slots, maximally. With too wide slots, there is an increased risk of injuries to the claws when the cow makes a hasty move.
Fusionen mellan tre mediaorganisationer : Ur ett organisationskulturellt och förändringskommunikativt perspektiv
Media has a big actuating power over the public opinion. The image of reality that media choose to reproduce will affect the recipient view of reality. The case about Thomas Quick and its associated news coverage has been used as an example to illustrate the problematization regarding media imag-es and media framing attempt. The purpose of this essay was to illuminate how daily and evening newspapers works with various framing methods.The theoretical framework for this essay will discuss the media framing theory and its ramification attribute framing theory. This laid the foundation for the research question.
Syntaktisk komplexitet hos ungdomar och vuxna med läs- och skrivsvårigheter
The purpose of this thesis is to investigate if there are any differences regarding syntactic complexity in written language between persons with (phonologically based) reading and writing difficulties and a control group. Earlier research has pointed to such a difference, indicating that texts written by subjects with reading and writing difficulties display a lower grade of syntactic complexity than text written by control groups.Two texts each from 48 subjects (24 from each category) were collected. The subjects were divided in two age groups, one consisting of 15-year-olds and the other of university students (adults in various ages). The subjects were selected through a word decoding test and a spelling test, where the lowest performing formed the group of reading and writing difficulties and the highest performing formed the control groups. All subjects had Swedish as their mother tongue.The syntactic aspects studied were number of words per syntactic sentence (Sw.
Uppbyggnad och reglering av en pumpstation till ett injektionssystem
I was assigned to the thesis as part of a project GMA AB (Ground Machinery Applications AB) is running. The project aims to develop a new method for injection of drilled holes in rock walls. Currently, the injections usually involve cement but the basic idea of the project is to replace cement with a supplement called Silica sol.Silica sol is known as a gelling liquid. The gel time is controlled by a mixing of saline. Depending on the amount saline that gets mixed in, the gel time varies.
Syntaxbaserad författarigenkänning
The writing style of a particular author can be divided into many subfeatures, for example use of words, language and syntax. Focusing on the latter, this study aims to show how well syntactic information alone can attribute the correct author to a document. Syntactic information is defined as overlapping syntactic subtrees of height one (1) for all sentences of all included documents. The performance is compared to that of the previously very successful method of comparing stop word frequencies. These are words normally excluded from search engine queries, because they are present in all sorts of texts regardless of topic.
Hur påverkar utdelningar företagsvärde? : en kvantitativ studie av utdelningsfrekvenser på Nasdaq och New York Stock Exchange
Utdelningar är ett relativt välkänt och utforskat område men ingen accepterad förklaring till dess påverkan på företagsvärde finns och tidigare studier tyder på att forskare till stor del har kommit fram till olika resultat. Men forskning kring utdelningsfrekvensernas betydelse och dess påverkan på företagsvärde är begränsad vilket leder oss in på ett område som är relativt outforskat. Syftet med detta arbete är att kvantitativt undersöka om utdelningsfrekvenserna påverkar ett företagsvärde.Undersökningen baseras på de två amerikanska listorna Nasdaq och New York StockExchange. För att göra studien så aktuell som möjligt grundar sig undersökningen på observationer mellan 2009 och 2013 och innehåller totalt 11 144 observationer. Bolag på den amerikanska marknaden använder sig av främst fyra utdelningsfrekenser: årliga,halvårsvis, kvartalsvis eller månadsvis.
Val av tidpunkt för markberedning vid naturlig föryngring under skärm av Pinus sylvestris i Svealand : Timing of scarification when using natural regeneration in seed tree stands of Pinus sylvestris in Central Sweden
This thesis is built on a field study that was carried out in two seed-tree stands near by Götbrunna in Uppland, Sweden. The aim was to examine if scarification carried out in spring time could generate a more dense seedling establishment when using natural generation, than scarification carried out in autumn. It was also investigated whether there were differences in mortality the first season between the two plot-types. Plots were established block-wise with 50 blocks (pairs) on each site. The spring scarification was made with a hoe during 22-23 of April.
Sambandet mellan hästens huvud/halsposition och ryttarens rörelse i sadeln :
Dressage schooling is not a subject that rests on science, it is a matter of dependable experience. So far there hasn?t been so much research about it, but more and more is done. Especially the interaction between rider and horse is a nearly uninvestigated field. Riding skills is much about having the right position, and having the horses head and neck in different positions, but there are no research done that support or deny that this old ?knowledge? is for the best for the horse.
This study was performed to evaluate if the head and neck position of the horse, and the velocity, has any influence on the position of the rider.