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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

En kvalitativ undersökning om infärgning ur matematiklärarens perspektiv. : Är infärgning den ultimata lösningen för ett G i matematik A för fordonselever?

Krutholm, Tommy January 2008 (has links)
<p>In this study the reader will learn how to work with student adaptation as a method for students to easier study and learn mathematics at a vocational school focusing on vehicle maintenance. This secondary school is located in the southern part of Sweden. Four math teachers who teach at this program use in-depth interview when it comes into explaining what they mean regarding adaptation and its role in teaching this students and helping them pass the course. This is very much a topic of today and has been so for some time. We hear about reports which reveals alarmingly low levels of know light which continue to drop especially at vocational programs in particular in mathematic. The math teachers describe specific obstacles and circumstances which in their experiences will limit their teaching options and alternatives and therefore will also limit the adaptation and its role. One may say in general that adaptation not necessarily is a method with an obvious template to follow so many various players will have to be involved in the teaching. This holds true with regards to all various aspects of learning. The student is here by enabled to see and experience the full picture of the program and the subject in question. No matter what the subject is, focus will always be the goal of the program and the students’ future careers. There are questions as to whether there may be conflicts of interest between the various actors involved in the learning process.</p><p>.</p>
2

En kvalitativ undersökning om infärgning ur matematiklärarens perspektiv. : Är infärgning den ultimata lösningen för ett G i matematik A för fordonselever?

Krutholm, Tommy January 2008 (has links)
In this study the reader will learn how to work with student adaptation as a method for students to easier study and learn mathematics at a vocational school focusing on vehicle maintenance. This secondary school is located in the southern part of Sweden. Four math teachers who teach at this program use in-depth interview when it comes into explaining what they mean regarding adaptation and its role in teaching this students and helping them pass the course. This is very much a topic of today and has been so for some time. We hear about reports which reveals alarmingly low levels of know light which continue to drop especially at vocational programs in particular in mathematic. The math teachers describe specific obstacles and circumstances which in their experiences will limit their teaching options and alternatives and therefore will also limit the adaptation and its role. One may say in general that adaptation not necessarily is a method with an obvious template to follow so many various players will have to be involved in the teaching. This holds true with regards to all various aspects of learning. The student is here by enabled to see and experience the full picture of the program and the subject in question. No matter what the subject is, focus will always be the goal of the program and the students’ future careers. There are questions as to whether there may be conflicts of interest between the various actors involved in the learning process. .
3

Evaluating and Improving the Effectiveness of Vehicle Inspection and Maintenance Programs: A Cost-Benefit Analysis Framework

Li, Ying 13 November 2017 (has links)
Motor vehicle inspection and maintenance (I/M) programs are designed to identify high-emitting vehicles and mitigate their impacts on air quality and climate. I/M programs have been traditionally ranked superior among various vehicle emission control measures by the results of cost-benefit analysis, based on the assumption that these programs will achieve the targeted emission reduction outcomes. However, the actual effects of I/M programs may be greatly uncertain and when this uncertainty is taken into account, these programs may become suboptimal. This study develops a new a cost-benefit analysis framework that links various program design consideration, such as program participation rate, identification rate and effective repair rate, to the public health benefits as well as costs of the programs. This framework helps decision makers to investigate minimum implementation requirements that at least ensure the benefits are greater than the costs of implementing the programs in order to improve the overall effectiveness of the I/M programs. To illustrate the applications of the framework, it was applied to a particulate matter oriented I/M program targeting all diesel-fueled vehicles in the city of Bangkok, Thailand, a large metropolitan area that has been suffering from severe ambient PM pollution mainly attributable to its wide use of diesel-fueled vehicles and motorcycles. It was found that the health benefits achieved from the program are sensitive to several key program design elements, including participation rate and problem vehicle identification rate, fraction of effective repairs and illegal operation rate. Other variables, such as the testing cut-points and vehicle population growth rate, only have modest effects on the overall emission reduction and consequent health benefits. Overall, the performance of multiple variables associated with I/M program design needs to be improved simultaneous in order to achieve the targeted benefits of the program.
4

Diagnostic tool for trucks : -from idea to demonstrator

Wang, Qi, Ma, Yinrong January 2013 (has links)
Vehicles can end up in unplanned visits to workshops due to the driver not checking the vehicle status before using it in traffic. There are many factors not only caused by the environment but also due to the lack of tools that simplify or reminds about beforehand inspections. The purpose of this project was to introduce a smart-phone application that can display the health state (or related parameters) of a vehicle in a brief way and indicate if a part or function of the truck is not working properly. There are six functions in the application. Function status and function fault codes can display information about vehicles by giving two-dimensional plots about vehicle data, while function VSR displays some information in the form of text. Also, the user can submit their feedback through function comment. Function position is designed to give the users specific perspectives on an imported map based on their different user identity. Function check reminds about inspections that must be made before setting out on a driving mission. The application allows bus drivers and managers to continuously monitor different vehicle parameters with a statistical summary over time, as well as providing a method for following-up that drivers perform basic checks on the vehicle before it is taken into traffic.

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