Sökning: "Sunlight"

Visar resultat 1 - 5 av 42 uppsatser innehållade ordet Sunlight.

1. 1. Seasonal Affective Disorder Monitoring System

   Master-uppsats, Uppsala universitet/Institutionen för informationsteknologi

   Författare :Negar Makvandian; [2013]
   Nyckelord :;

   Sammanfattning : Wireless Sensor Networks  (WSNs) are essential technologies for environmental monitoring. They are composed of small electronic devices, which can monitor, collect and report  environmental data autonomously and continuously with respect to energy consumption and accuracy of data. LÄS MER

3. 2. Development of Hybrid Solar System

   Magister-uppsats, Högskolan i Gävle/Akademin för teknik och miljö; Högskolan i Gävle/Akademin för teknik och miljö

   Författare :Muhammad Irfan Shafi; Md. Maidur Rehman Talukder; [2013]
   Nyckelord :Bypass diode; Shading; development; hybrid system;

   Sammanfattning : Technology replaces newer technology with improved efficiency. Solar technology is going to draw out a new life to make a green change in the terms of energy. As a result energy from the sunlight is being changed into electric energy by using solar cell. But still its efficiency could not be able to make a sense as a depending energy technology. LÄS MER

4. 3. Kan D-vitamintillskott minska depressiva symtom?

   Kandidat-uppsats, Linnéuniversitetet/Institutionen för naturvetenskap, NV

   Författare :Atidge Hristova; [2012]
   Nyckelord :D-vitamin; depression;

   Sammanfattning : Background: Sweden is a country where vitamin D deficiency seems to be common, partly because of its geographical position, which reduces the availability of UVB radiation, but also that people avoid sunlight due to increased skin cancer risk. Research shows that vitamin D plays an important role in the prevention of many diseases such as cancer as well as autoimmune and neuropsychiatric diseases. LÄS MER

5. 4. Sunlight - Essential for Health

   Magister-uppsats, Umeå universitet/Yrkes- och miljömedicin

   Författare :Hans Bertil Juneby; [2012]
   Nyckelord :Environmental Medicine; Health; Prevention; Sunlight; Vitamin D;

   Sammanfattning : Sunlight is recognized as one of the most important environmental factors that influence human health. There is strong evidence in the scientific literature that adequate exposure to sunlight is associated with many physical and mental health benefits, including reduced overall mortality, prevention of many deadly forms of cancer, as well as a number of metabolic, cardiovascular, autoimmune, infectious and neuropsychatric diseases. LÄS MER

7. 5. Attitude Control of the Spacecraft TARANIS:Sun Acquisition Robustness

   Master-uppsats, KTH/Aerodynamik

   Författare :Matthieu Catalon; [2012]
   Nyckelord :;

   Sammanfattning : This paper deals with the study of the robustness concerning the attitude control of the spacecraft TARANIS regarding disturbances on its sun acquisition sensors. Two kinds of disturbances have been studied: the masking of the sunlight by the dierent spacecraft devices as well as the sunlight reexion on their surface. LÄS MER