Sökresultat:
1137 Uppsatser om Batch laboratory tests - Sida 36 av 76
Mätning av dynamiskt tryck med piezoresistiva tryckgivare på roterande objekt
The report handles the transmission of signals from piezoresistive pressuresensors and thermocouple from a rotating object. This report also evaluates the possibility to collect data in a datalogger that rotates with the object. Telemetrics was previously used for signaltransmission in Finspång, therefore there has been no tests considering preassure measuring. One transmitting method handled in this report is transmission through a slipring connection. One test with a slipring connection was performed for transmitting signals from a piezoresistive preassuresensor.
Praktiska effekter av begreppsförvirring för en databas konceptuella design : En fallstudie om databas- och begreppsmodellering
Company X develops a laboratory information system (LIS) called System Y. The informationsystem has a two-tier database architecture consisting of a production database and a historicaldatabase. A database constitutes the backbone of a IS, which makes the design of the databasevery important. A poorly designed database can cause major problems within an organization.The two databases in System Y are poorly modeled, particularly the historical database. Thecause of the poor modeling was unclear concepts.
Neuropsykologisk studie av benign barnepilepsi med centrotemporala spikes
Benign Childhood Epilepsy with Centrotemporal Spikes - BCECTS is a common neurological syndrome but the possible cognitive effects are still relatively unknown. In the study 12 children with the diagnose BCECTS, 9 boys and 3 girls between the ages of 5,5 and 13,5 years, were examined. An extensive battery of neuropsychological tests were administered. The results indicates normal cognitive functioning as compared to the normal population, with one exception; an aspect of attention. But the results also indicate several negatively effected performances when compared to the cognitive g-factor of each child.
Jämförelse mellan subjektiv och objektiv bedömning av hälta hos häst på böjt spår.
The female dog has a unique reproductive endocrinology, with high levels of progesterone throughout the 70-day long luteal phase. In this project, markers of glucose metabolism were studied and compared from the aspects of breed group and time in oestral cycle. The parameters studied were: glucose, insulin, progesterone, fructosamine and the newly introduced analysis of HbA1c. Hba1c was also further evaluated and discussed as a diagnostic tool in canine medicine.No differences in terms of glucose markers were found between a group of purebreed dogs of various breeds compared to a group of dogs with high risk of dioestrus diabetes, namely the Norwegian and Swedish elkhounds.No differences were found between the two sample occasions, anoestrus and dioestrus, concluding that there is no need for relating test results to the time of the oestrous cycle in middle-aged intact female dogs.There were statistically significant higher values of all glucose markers in diabetic dogs than in non-diabetic dogs. When it came to HbA1c, however, there was a larger overlap between the two groups, compared to fructosamine.
Lusten till matematik : En studie om hur elever kan utveckla lusten och motivationen till matematik genom olika arbetsätt
The purpose of this study is to compare different ways to teach mathematics in the school's lower age groups, and to examine whether certain practices increase students' desire and motivation to learn the subject. The questions used to determine the purpose is the following: What vision has the students in the class at maths? How does the teaching of mathematics in the class look like?What vision has the students in the class at working with different approaches in education?Does the traditional approach and the options that I am examining meet the steering documents requirements? The essay is organized as a qualitative study. The study was conducted in an elementary school in Sweden, third grade. The methods used included interviews with students and observations in the classroom.
Förändring inom Polisen ? : en fallstudie ur ett medarbetarperspektiv
Background: The Swedish Police authorities have accomplished several changes the last years. We have studied one of these changes, the co-ordination of two supporting functions, economy and staffadministration at the Police authorities in Östergötland, Jönköping, Södermanland and SKL (Swedish crime technical laboratory). The initiative to this change was taken in 2002 and in 2003 a decision was made to create a joint servicecenter.Purpose: The purpose of this rapport is, in a collaborator perspective, to study the employees´ experiences of the change process.Method: The empirical material was collected throw interviews with the employees who have taken part in the change process. Even the leader of the project has been interviewed.Results: We have distinguished five central aspects in the change process. These are information/communication and understanding, the project leader, teamwork, timeaspect/reflexion and the leadership.
Pelletering av tallspån : grundläggande studier
Wood pellets are an upgraded product of residuals from several wood processing industries, for example saw mills and pulp industries. The pellets are produced by pressing the milled and dried sawdust to cylindrical units with a higher density than the initial raw material. Pellets have great benefits compared to the raw material: high energy per volume, good transport and storage properties and homogeneity.
Several parameters collaborate in the whole process, which makes it complex. Wood is a heterogeneous material, chemically and structurally dependent on wood parts, habitat and storage procedures.
Metodik för resistenstest i renkavle : en studie om herbicidresistens; mekanismer, detektion och åtgärder
Herbicide resistance is the result of an evolutionary process where a population gradually changes from being susceptible to being resistant to an herbicide. The resistance mechanism is usually a change in the biochemistry of the weed, but in some cases changes in morphology or growth rhythm. The change is caused by random mutations. Two resistance mechanisms are found in black-grass; target site resistance and metabolic resistance.Black-grass is a tufty, winter annual grass weed, which is mainly found in milder climates. Black-grass is a big problem in Southern Europe.
Glucose markers in healthy and diabetic bitches in different stages of the oestral cycle
The female dog has a unique reproductive endocrinology, with high levels of progesterone throughout the 70-day long luteal phase. In this project, markers of glucose metabolism were studied and compared from the aspects of breed group and time in oestral cycle. The parameters studied were: glucose, insulin, progesterone, fructosamine and the newly introduced analysis of HbA1c. Hba1c was also further evaluated and discussed as a diagnostic tool in canine medicine.No differences in terms of glucose markers were found between a group of purebreed dogs of various breeds compared to a group of dogs with high risk of dioestrus diabetes, namely the Norwegian and Swedish elkhounds.No differences were found between the two sample occasions, anoestrus and dioestrus, concluding that there is no need for relating test results to the time of the oestrous cycle in middle-aged intact female dogs.There were statistically significant higher values of all glucose markers in diabetic dogs than in non-diabetic dogs. When it came to HbA1c, however, there was a larger overlap between the two groups, compared to fructosamine.
Undersökning av potentiella probiotiska organismer i tarmmikroflora hos häst med speciell hänsyn till Lactobacillus spp. :
The aim of this study was to isolate and identify Lactobacillus species indigenous to the gastrointestinal microflora of Swedish horses. These lactobacilli are to be used as probiotic candidates in research concerning antibiotic-associated diarrhoea in horses.
Eight horses, age 6-10 years, were selected from a riding school for collection of faeces samples. Man Rogosa Sharp medium and gram staining were used for the selection of supposed lactobacilli. We could identify 33 isolates of supposed lactobacilli. With the use of API tests 22 of these 33 isolates could be identified.
Tesaurer eller ontologier? Eller både och? : En jämförelse mellan två typer av ämnesordssystem med tanke på deras förbättring av effektiv informationsåtervinning
By examine plastic craniums from eight different hominids I wanted to find morfological characteristics that agreed with those of modern humans. The species that were selected had a plastic casting of its cranium in the laboratory at Gotland University. My focus was on species from the family Australopithecius and Homo and only working with their craniums. And this because the cranium and the theeth shows the most visible morfological characteristics between the different hominids. I also wanted,in a small part of the essay, to write about the differences in now living primates and humans skulls.Except from analysing the plastic castings I also studied surveys written by other scientist on the same subject.
Överreaktion på aktiemarknaden - Myt eller verklighet?
PurposeThe purpose of this paper is to assess whether the overreaction found in ?Does the Stock Market Overreact?? by DeBondt and Thaler still persists today, and by equivalence test if a trading strategy based upon these assumptions would generate abnormal returns. MethodThe research has been carried out by studies of the stocks that for a prior period of one year has over or underperformed their benchmark. The stocks used in my study are all part of S&P500 index, and the period of study runs from three to five overlapping years over the last twenty years. ResultsMy tests indicate that the type of overreaction proposed by DeBondt & Thaler still is present, at least considering the stocks that during the formation period were winners..
Organisera mera : En studie i att utforma riktlinjer fo?r organisering av information i ett specialutformat anva?ndargra?nssnitt
I have in this thesis studied how guidelines for organizing information in a custom- made user interface could be made. Teletal is service with a special designed user interface were information is stored. The purpose of this study is to encourage a consistent organization, and management of information in a user interface. The methods used in this study are as follows ? qualitative interviews and two card-sorting tests, of which one was closed and the other open.
Slithållfastheten för dentin och cement i förhållande till emalj in vivo hos häst
The female dog has a unique reproductive endocrinology, with high levels of progesterone throughout the 70-day long luteal phase. In this project, markers of glucose metabolism were studied and compared from the aspects of breed group and time in oestral cycle. The parameters studied were: glucose, insulin, progesterone, fructosamine and the newly introduced analysis of HbA1c. Hba1c was also further evaluated and discussed as a diagnostic tool in canine medicine.No differences in terms of glucose markers were found between a group of purebreed dogs of various breeds compared to a group of dogs with high risk of dioestrus diabetes, namely the Norwegian and Swedish elkhounds.No differences were found between the two sample occasions, anoestrus and dioestrus, concluding that there is no need for relating test results to the time of the oestrous cycle in middle-aged intact female dogs.There were statistically significant higher values of all glucose markers in diabetic dogs than in non-diabetic dogs. When it came to HbA1c, however, there was a larger overlap between the two groups, compared to fructosamine.
Link QualityControl (LQC) i GPRS/EGPRS
This master thesis has been done at Enea Epact AB. The purpose of this thesis is to develop and implement a Link Quality Control algorithm for GPRS/EPGRS in the current testing tool. A Link Quality Control (LQC) shall take quality values from mobile stations and base stations and decide a codingsscheme that opimizes the throughput of data. The Advantage with LQC is that it adapts the used coding scheme to the channel quality. If the channel quality is too bad for the used coding scheme, a slower coding scheme with more redundancy should be selected.