Filtyp
There is an ongoing trend towards higher automation level in process control systems. The purpose of a plant is to manufacture some product at a high production rate with a consistent quality, while minimizing the use of resources in terms of energy consumption, raw material and labor. With a higher degree of autonomy in the control system, it is possible to improve all these aspects, thus increas
Light is both the energy source and the dominant signalling input for photosynthetic organisms. Accordingly, up to 30–50% of the genes expressed in plant leaves are directly or indirectly regulated by light, and virtually all aspects of plant metabolism support photosynthesis, depend upon the products of photosynthesis or are affected by photosynthesis-related changes in metabolite levels. Though
The copolymer of N-isopropylacrylamide (NIPAM) and methacryloyl derivative of spirobenzopyran (MSBP) with a molecular weight of 21 000 g/mol and the average molar MSBP content of 1.9% was prepared by free radical polymerization. The copolymer displayed its phase transition in water in the temperature range of 30-50 degreesC. UV irradiation of its aqueous solution caused photoinduced transformation
The present study focuses on the preparation of poly(ethylene oxide) (PEO) nanocomposites based on the synthetic Laponite clay. The clay was added both in its pure form as well as organically modified with low molar mass poly(ethylene glycol) (PEG) components in order to enhance the compatibility between Laponite and PEO. Several PEG's with different end groups were used. Almost all of them were f
[1] Vigorous debate still surrounds the cloud electrification process and unexplained regional variations in lightning activity. Here, we show that climatological maxima in lightning activity are associated with small effective diameter D-e of ice crystals near cumulonimbus cloud tops. This relationship, unlike lightning's more well-known relationship with cloud top height, is consistent over land
Proton motions in hydrated proton conducting perovskites BaZr(0.90)A(0.10)O(2.95) (A = Y and Sc) have been investigated using quasielastic neutron scattering. The results reveal a localized motion on the ps time scale and with an activation energy of similar to 10-30 meV, in both materials. The temperature dependence of the total mean square displacement of the protons shows an onset of this motio
In solid mechanics, linear structures often exhibit (local) nonlinear behavior when close to failure. For instance, the elastic deformation of a structure becomes plastic after being deformed beyond recovery. To properly assess such problems in a real-life application, we need fast and multi-query evaluations of coupled linear and nonlinear structural systems, whose approximations are not straight
Understanding the formation and evolution of galaxies and in particular their galactic centres is one of the most intriguing questions in modern astrophysics. Many spiral galaxies like the Milky Way feature a nuclear stellar disc (NSD) in their centre. The Milky Way's NSD is, together with the nuclear star cluster and the central super massive black hole, one of the main inner components and best
BACKGROUND: Beneficial effects from practising a Paleolithic diet as compared to a diabetes diet on weight, waist circumference, satiety, leptin, HbA1c and glucose control in randomised controlled trial participants with type 2 diabetes could be due to lower leptin resistance. Support for this hypothesis comes from an in vitro experiment that showed that digested wheat gluten, which is excluded fr
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This thesis investigates the social position and political agency of women excombatants of the Farc-EP who laid down their arms after the 2016 peace agreement between the Colombian government and the Farc-EP. I show how, through the laying down of arms and reincorporation, women ex-combatants come to occupy a specific social position under historical and global power relations and intersecting for
The rise of solar cells have been received with open arms as a renewable energy resource in Sweden. The new generation of solar cells containing semi conductive type III-V nanowires may pose, without proper safety measures, negative implications on health and the environment. In this study an overview of possible risks is considered in the waste management with solar cells containing nanowires. Al
Travel on railway in Sweden has increased steadily over the past three decades and there are today twice as many passengers travelling by train as there were 30 years ago. The increasing awareness of environmental issues with other methods of transportation is likely to favour railway travel, and so the number of passengers is expected to continue to rise. As the number of passengers increase, so
In this master's thesis the ability to estimate the respiratory frequency from heart rate variability measurement is analyzed. The goal was to implement a solution that is easily transferable to real time. Starting from the initial processing of data, continuing with two different spectrogram implementations, a single spectrogram and a multitaper spectrogram, combined with three different meth
European environmental policy has in the recent years become more and more prominent, and with the European Commission launching the European green deal, environmental policy has become a part of the centre stage of European policy. When looking to decarbonise the economy natural gas becomes a favourable solution. However, natural gas is not without a problem i.e., natural gas is still a fossil f
The purpose of this thesis is to broaden my understanding of color as a creative tool of architecture in spatiality. The study will focus on different spatial phenomenons that can arise depending on how color interacts with objects, surfaces and spatiality. Parallel to this, different tools will be identified and then practiced in order to find ways for color to be included in the early design pro
Under 1700- och 1800-talet var judars rättigheter i Sverige starkt begrän-sade. Genom 1782 års judereglemente tilläts judar bosätta sig i Sverige under särskilda villkor samtidigt som de var föremål för omfattande re-striktioner. Under 1800-talet blev frågan om judars rättigheter och den ju-diska emancipationen ett omdebatterat ämne i Sveriges riksdag. År 1838 fick judar utökade rättigheter genom During the 18th and 19th centuries, the rights of Jews in Sweden were seve-rely restricted. Under the Jew Statute of 1782, Jews were permitted to settle in Sweden under certain conditions, while at the same time being subject to extensive restrictions. During the 19th century, the question of Jewish rights and Jewish emancipation was a heavily debated topic in the Swedish parliament. In 1838, Jews
The adolescent experience has over the last twenty years differed immensely from earlier generations. Generation Z, born somewhere between 1995 and 2010, are what some would call ‘digital natives’, being the very first children to be brought up in a digital advanced world with easy access to information and inspiration through constant connection to the world wide web. This research draws in parti
Populärvetenskaplig sammanfattning: Jordens klimat står under ständiga variationer och förändringar, och det är inte alltid lätt att sära på orsak och verkan bland den mängd av faktorer som styr klimatet. För att kunna reda ut ursprunget till de förändringar som sker, måste de bakomliggande processerna vara väl kända. Sedan är det möjligt att genom matematiska modeller uppskatta de individuella prSeveral studies have analysed the relationship between Normalised Difference Vegetation Index (NDVI) and radiative surface temperature. A main goal for most studies have been to find the best method for carrying out land cover classifications and to study land cover changes, based on a combination between the two parameters. Since atmospheric components have a significant influence on both paramet
