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Considering numerical competency in the animal kingdom, primates are thought to be the most advanced ones. Many different studies have showed that also other species such as birds, fishes and amphibians are capable of counting objects and that this ability may be one of the most sophisticated key features for survival. Some lab experiments have revealed that given sufficient amount of training man
One way to increase the flexibility of industrial robots in manipulation tasks is to integrate additional sensors in the control systems. Cameras are an example of such sensors, and in recent years there has been an increased interest in vision based control. However, it is clear that most manipulation tasks can not be solved using position control alone, because of the risk of excessive contact f
In this work mathematical models of a granulating process plant have been determined. The plant is situated at the SUPRA company, Landskrona Sweden. The product studied is a fertilizer NPK. In the process there are oscillations in the material flow. The models will be used an attempt to explain and hopefully control the process better.
In the first stage it was tried to obtain a physical
The Solar energy is playing a fundamental role in the transition to a low carbon electricity production system. Driven by rapidly decreasing prices for solar installations in the last years, the solar energy market in Europe is currently undergoing a transformation. Subsidies such as feed-in tariffs are being phased out and replaced with the possibility to self-consume solar energy, earning a prof
Biodiversity is a big part of the understanding of our life and its surroundings. Only a fraction of the earth’s species are known and many are yet to be found. When describing new species often both molecular and morphological data is needed to fully resolve cryptic taxa. In this study, the diversity of two Diptera families, soldier flies (Stratiomyidae) and thick-headed flies (Conopidae), have b
Ortsprismaterial för obebyggda småhusfastigheter är ofta begränsat och omfattar normalt endast nyexploaterade områden i städernas utkanter. Denna typ av exploatering sker ofta genom att fastigheter överlåts med avtal om att exploatören även ska uppföra en småhusbyggnad. Gränsen mellan vilka värdehöjande åtgärder som ska tilldelas den obebyggda småhusfastigheten kontra småhusbyggnaden blir därmed sLocation-price data of undeveloped single-family properties are often limited and usually covers only recently urbanized areas in the outskirts of cities. Location-price data of developed single-family properties is also difficult to use for undeveloped single-family properties because the value ratio between land, buildings and facilities is hard to determine. An inadequate location-price data of
In laser wakefield acceleration (LWFA) a high intensity laser pulse is used to excite a plasma density wave with an associated electric field. This electric field can be used to accelerate electrons. However, to be accelerated the electrons first of all need to enter the plasma wave. This process is called injection. In this thesis a scheme for injecting electrons into a laser wakefield accelerato
Given the increasing world population, prices and greenhouse gas emissions, there is a need to innovate agriculture in order to accelerate crop productivity sustainably. These issues are compounded in developing countries, which often face severe droughts, famine, and have limited access to drinking water. Genetically modified organisms (GMOs) are the proposed solution to these concerns, with an i
Enligt 1 kap. 6 § LOU gäller inte lagen för kontrakt som avser förvärv av, eller nyttjanderätt till, fastighet. Paragrafen härstammar från art. 16 i direktiv 2004/18/EG och benämns vanligen som hyresundantaget. Att undantaget är vagt formulerat har öppnat för många tolkningar, och idag råder det oenighet kring dess omfattning. Tillsammans med övrig doktrin ger de olika lagkommentarerna endast en fAccording to the 1 ch. 6 § of the Swedish Public Procurement Act (LOU) it does not apply to contracts for the acquisition or rental of property. The paragraph is derived from Article 16 of directive 2004/18/EC, and is commonly referred to as the rent exemption. The exemption is vaguely phrased, a fact that has opened up for many interpretations. This has, in turn, resulted in uncertainty regarding
In this study the hypothesis that particular groups of organisms showing common physiological characteristics play an important role for the calculation of Trophic Magnification Factors (TMFs) of anthropogenic pollutants is tested. For this purpose data were collected from previous studies of biomagnification and analysed. Monte Carlo simulations of the linear regression TMF model were run for mer
Rapid urbanization has dramatically increased housing demand in Hanoi, the capital city of Vietnam. To alleviate housing shortage, the city of Hanoi has developed a housing program of which the major part is housing development through new urban area projects. New urban area, or new town, projects are large-scale developments designed mainly for residential purposes, with integrated infrastructure
Learning is something everyone has to do. Different approaches to facilitate the process of learning has been tried throughout history. With technologies such as Internet, and augmented and virtual reality there might be possibilities to devise new ways of learning. In this thesis I aim to explore an idea for such a new way of facilitation of learning, as well as exploring how to design for augmen
Dyslexia is a problem that can limit someone’s life if the person does not receive the appropriate support in order to develop strategies to deal with it, and it is not limited to one’s first language. The first limitations appear early in life during the school years as the child struggles with literacy issues. It is in the educational environment where the child will receive the first support a
Syftet med examensarbetet är att undersöka hur fastighetsbildningen för jordbruksändamål kan anpassas till det moderna jordbruket. Nedan följer bakgrunden till mina förslag på anpassning av fastighetsbildningen till det moderna jordbruket: Jordbrukarna föredrar stora jordbruksfastigheter. Idag är det bara riktigt stora jordbruksfastigheter som anses skyddsvärda enligt 3 kap. 6 § FBL. Det är viktThe purpose of this master thesis is to examine how property formation for agricultural purposes can be accommodated to the modern-day agriculture. Agricultural holdings in the size ranges 15-30 and 30-100 hectares are declining rapidly in Sweden. It was common that agriculturalists in Helsingborg municipality that had an agricultural holding in the size range of 30-100 hectares had a hard time t
Klimatförändringarna och följderna av dessa har upprepade gånger utpekats som en av vår tids ödesfrågor. Fokus har fram tills relativt nyligen till övervägande del legat på hur klimatförändringar kan förhindras genom utsläppsbegränsningar och omställning till ett mer hållbart samhälle. I och med att kunskaperna ökat synes det dock idag stå klart att flertalet av klimatförändringarnas effekter redaClimate change and its consequences have long been viewed as one of the defining challenges of our time. The focus of research pertaining to climate change have until recently been overwhelmingly focused on the issue of mitigation while adaptation to climate change has received comparatively little attention. But, as the realization has dawned that many consequences of climate change are already b
