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644 Uppsatser om Systematic sampling - Sida 1 av 43
En jämförelse av stickprovsmetoder vid mätning av radioaktivetet på en yta
This study compares the sample variance of the mean in a simple random sample (SRS) and a systematic sample from a surface. The study also compares the prediction error variance in a SRS and systematic sample from a random field. Recommendations are presented on which method to use in the clearance and exemption process in the nuclear industry. The results indicate that quadratic Systematic sampling outperformed SRS in most instances and proved to be especially efficient in the presence of a long-ranged covariance function and high sampling intensity (i.e. short distances between observations).
Lawsonia intracellularis : utvärdering av provtagning med tops : utvärdering av provtagningsteknik med tops vid diagnostik av Lawsonia intracellularis hos tillväxtgrisar
Lawsonia intracellularis is an important pathogen in the intestine, causing diarrhea and
retarded (or poor) growth in pigs.
Diagnostics is based on sampling of small amounts of faeces. Several publicated scientific
papers mention the use of faecal swabs as sampling material for diagnosis in experiments and
in prevalence studies. Therefore the need of an evaluation of this sampling technique is
urgent since, to our knowledge, this has not previously been done. Here reported work
compare the use of rectal swabs for feacal sampling, with sampling and analysis of 0.1-0.2
gram of faeces.
The studie included twelve herds with a case history of earlier or ongoing problems with
diarrhoea where Lawsonia intracellularis could be suspected as the causative agent. A total
of 120 growing pigs where examined.
"Ett arbete som aldrig kommer att sluta" : Mellanchefers upplevelser av det systematiska arbetsmiljöarbetet
Work environment has been an important part of the Swedish working life for a long time and with the help of the Working Environment Law the work environment is mandatory. The purpose of this study was to gain a deeper insight into how the system of middle managers systematic work environment looks like. The question was: How do six middle managers perceive and deal with systematic work environment? A qualitative study was conducted with six middle managers from a global company. During the analysis, there were three main themes to be recognized (cooperation and support facilitates the work environment, problem with the systematic work and difficulties with staff) and six sub themes.
Riskbaserat provtagningsprogram för mikroorganismer i Gäddviks vattentäkt
Risk-based sampling program of microorganisms in the water source in northern SwedenAfter several disease outbreaks caused by parasites in the drinking water during the last years, it is more essential than ever to insure that the water supply companies have enough barriers to counteract the presence of microorganisms in the outgoing water. It is also discussed whether climate changes such as increased precipitation can have a connection to the increased cases of parasites in water sources. The water source at Gäddvik is Luleå municipality?s largest and provides drinking water to 64 500 of Luleå?s 74 000 inhabitants. The investigation of microorganisms in the water source, especially in the Lule River has not been as prioritized as the sampling of chemical parameters.
Advantages and disadvantages of different observation methods on a troop of wild olive baboons at a river in Southern Kenya
Every observation method has its advantages and disadvantages and a well-adopted method gives more reliable results. Factors affecting the choice of the most appropriate methods for recording foraging behaviours include species, group size, environment, seasons and age. The focus for this study was to determine which method is most appropriate for studying the foraging behaviour of a troop of 89 olive baboons (Papio anubis) living in a riverine forest by the Southern Ewaso Ng'iro River by Lale'enok Resource Centre in Kenya. To determine this, a literature study was carried out to compare methods from monkeys and apes. I found instantaneous sampling was the most common method with intervals of 5 minutes in most cited studies.
Grundskollärare och psykosocial (o)hälsa : En kvalitativ fallstudie om relationen mellan arbetsliv och privatliv
Work environment has been an important part of the Swedish working life for a long time and with the help of the Working Environment Law the work environment is mandatory. The purpose of this study was to gain a deeper insight into how the system of middle managers systematic work environment looks like. The question was: How do six middle managers perceive and deal with systematic work environment? A qualitative study was conducted with six middle managers from a global company. During the analysis, there were three main themes to be recognized (cooperation and support facilitates the work environment, problem with the systematic work and difficulties with staff) and six sub themes.
Utveckling och utförande av frekvensstudie vid Rapid Granulator AB
The object of this examination project is to produce a method of work sampling at Rapid Granulator AB. The aim is to perform the method at the company and evaluate if it is executable. The study is delimited to the basic construction of the 45-series in the assembly hall.Preparations to produce the method of the work sampling resulted in definitions of activities, a form and a product tree. Several days were spent studying the assembling to learn and understand the entirety.The work sampling result showed a large amount of no value adding time that was used in the assembling. Some of the activities could be reduced and we observed some problems during the assembly process.
Systematiskt kvalitetsarbete på förskolan : Hur förskollärarna uppfattar och hanterar det systematiska kvalitetsarbetet
Systematic quality work in preschool ? How preschool teachers thinking and working with systematic quality work The purpose of this study was to investigate how Swedish preschool teachers thinking and working with systematic quality work. All Swedish preschools are required to work systematically with quality. This involves several steps that follow each other in a specific order. It includes following up, documenting and evaluating preschool activities.
Sedimentprovtagning av dagvattendammar som ett alternativ till flödesproportionell vattenprovtagning
Stormwater run-off from surfaces such as roads or rooftops is often polluted with heavy metals and nutrients. Many of these substances can cause great damage in biota if they end up in the recipient. In Sweden constructed wetlands and ponds for treatment of stormwater are frequently used, since research has shown that these treatment ponds are reducing stormwater pollution considerably to a low cost. The knowledge of these pollutant removal mechanisms and how follow-up and assessment of the ponds should be performed is still limited.To determine the pollutant removal efficiency of the stormwater ponds it is recommended that flow-weighted water samples are collected from both the inflow and the outflow of the pond. This method demands considerable resources of time and money for installations and analysis.
Tala är silver, tiga är visdom : Användningen av konventionaliserade flerordsuttryck hos vuxenstuderande i svenska som andraspråk
Systematic quality work in preschool ? How preschool teachers thinking and working with systematic quality work The purpose of this study was to investigate how Swedish preschool teachers thinking and working with systematic quality work. All Swedish preschools are required to work systematically with quality. This involves several steps that follow each other in a specific order. It includes following up, documenting and evaluating preschool activities.
Big bath accounting i samband med goodwillnedskrivningar
AimThe aim of this study is to through managers in eldercares deskriptions of the systematic qualityleadingsystem examine the implementation process of this system in the eldercare in the municipality of Halmstad. BackgroundIn this paper the background explains elderly care and social work context, leadership in change and implementation processes. The theoretical frame illustrates Vedungs implementation theory and Webers model of bureaucracy MethodTo collect empirical data for this study, a qualitative research design was used in which eleven managers within Halmstads municipality home care management stood as respondents. ResultThe respondents highlighted a variety in the use of the systematic quality management system tool. The result describes that several obstacles were experienced in the use of the systematic quality system. ConclusionBased on the descriptions the respondents gives of the implementation process of the systematic quality management of Halmstad municipality home care management, the conclusion can be drawn that the implementation process has not resulted in the employees making use of systematic quality management in practice. The systematic quality management system that will ensure the quality of the care work is thus used to a limited extent..
Det systematiska kvalitetsledningssystemet i praktiken : - En studie om implementering av det systematiska kvalitetsledningssystemet inom hemvårdsförvaltningen i Halmstad kommun
AimThe aim of this study is to through managers in eldercares deskriptions of the systematic qualityleadingsystem examine the implementation process of this system in the eldercare in the municipality of Halmstad. BackgroundIn this paper the background explains elderly care and social work context, leadership in change and implementation processes. The theoretical frame illustrates Vedungs implementation theory and Webers model of bureaucracy MethodTo collect empirical data for this study, a qualitative research design was used in which eleven managers within Halmstads municipality home care management stood as respondents. ResultThe respondents highlighted a variety in the use of the systematic quality management system tool. The result describes that several obstacles were experienced in the use of the systematic quality system. ConclusionBased on the descriptions the respondents gives of the implementation process of the systematic quality management of Halmstad municipality home care management, the conclusion can be drawn that the implementation process has not resulted in the employees making use of systematic quality management in practice. The systematic quality management system that will ensure the quality of the care work is thus used to a limited extent..
Systematiskt arbetsmiljöarbete och behovet av utbildning inom H&M
The purpose of this study was to make a survey of a larger company in Sweden to analyze if it complied to the stipulated Systematic Work Environment Management rules in Sweden. The company chosen was Hennes & Mauritz. The key question was to see if the company was examining and judging the risks, developing handling plans and if they were making yearly follow ups so that problems could be attended to. Further, I also wanted to examine if there was lack of competence within different departments as well as give some substantiate proposals on educations in Systematic Work Environment Management. The method used to investigate this was interviews and observations on how the Systematic Work Environment Management was handled in the company.
Ants and termites in small-scale plantain farms in Uganda : a comparison between agroforestry and non-agroforestry farms
This study was conducted in Kkingo district, west of Masaka, Uganda. It compared soil macrofauna abundance in non-agroforestry farms with that of agroforestry farms. The agroforestry farms had participated in the Vi Agroforestry´s program between 1995 and 2006, and continued on their own after 2006, when Vi Agroforestry left the area. The soil macrofauna is important for soil structure and processes that are contributing to soil organ-ic matter decomposition and nutrient mineralization. They are also predators of potential pests.
Methods for Locating Distinct Features in Fingerprint Images
With the advance of the modern information society, the importance of reliable identity authentication has increased dramatically. Using biometrics as a means for verifying the identity of a person increases both the security and the convenience of the systems. By using yourself to verify your identity such risks as lost keys and misplaced passwords are removed and by virtue of this, convenience is also increased. The most mature and well-developed biometric technique is fingerprint recognition. Fingerprints are unique for each individual and they do not change over time, which is very desirable in this application.