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1901 Uppsatser om Water loss - Sida 63 av 127
Prefabricerade väggelement av hampabetong
Lime Hempcrete consists of lime, water and hemp and creates an insulating, sound-absorbing, lightweight and environmentally friendly material that can be used in wall, roof and floor structures (Bevan & Woolley 2008). This construction method is not yet developed in Sweden as there has been a ban on the cultivation of the hemp plant. This ban on the cultivation of hemp was removed in 2003, when the material got a boost. You can use it in many different ways and not just in the construction industry (Ahlsten, 2010).In this study we have investigated the possibility to produce prefabricated wall elements of LHC. We have also studied its mechanical properties and dehydration time.
Hur värderas föräldralediga och hushållsarbetande mammor och pappor?
Könsuppdelningarna i hushållssysslorna har bevisats ha att göra med den generella genusideologin i det aktuella landet. Här undersöks om en man och en kvinna som tar ut större delen av föräldraledigheten baserat på familjens ekonomiska situation, samt utför samma hushållssysslor bedöms olika. Hypotesen är att män i högre grad tillskrivs egenskapen duktighet än kvinnor när de utför samma sysslor. En enkätundersökning med identiskt innehåll kring beskrivningen av en moders respektive en faders vardagssysslor presenterades och skattningar kring olika påståenden kring personens situation utfördes av deltagarna. Hypotesen har inte kunnat bevisas utan det motsatta har tvärtom delvis bekräftats, nämligen att mannen bl.a.
Migrering från IPv4 till IPv6 : Prestandamätningar av olika migreringstekniker
Antalet tillgängliga IPv4-adresser håller i dagsläget på att ta slut och det ärdärför nödvändigt att hitta en metod för att migrera nätverket till den nyastandarden, IPv6. En migrering kan kräva att de två IP-versionerna måsteanvändas i nätverket simultant, för att de system som är beroende av nätverketska vara tillgängliga. Syftet med arbetet var att undersöka prestandani de olika migreringsteknikerna, samt att få fram vilka tekniker som är attföredra. Med hjälp av två scenarion, uppsatta i labbmiljö, testades migreringsteknikernasprestanda med verktyget Iperf. 6to4 och GRE testades iden ena miljön samt NAT64 och Teredo i den andra miljön.
Rejektvattenbehandlingens inverkan på kvävereduktionen vid Arboga reningsverk
Under 90-talet uppdagades övergödningsproblematiken i Östersjön, varför omgivande länder enades gällande åtgärder för att minska problemen. De svenska reningsverk som genom sina utsläpp av kväve och fosfor påverkade Östersjön tvingades då införa gränsvärden för kväve- och fosforutsläppen. Vid Arboga reningsverk, vars recipient är Arbogaån som mynnar i Galten, Mälaren, har kvävereducering sedan en tid tillbaka varit i drift. Dock krävdes från och med år 2012 att totalkvävehalten i utgående avloppsvatten ej översteg 15 mg tot-N/l. Införandet av detta gränsvärde resulterade i åtgärder för att minska kväveutsläppen.Rejektvattenbehandling är en vanlig metod för att minska halterna totalkväve i utgående avloppsvatten.
Bedragarretorik : En retorisk analys av scam-mail
Every big scam starts with a small invite. You are about to face the inconvenient accusation of you being responsible for your own loss. At least, this was the case for the seller of ?Macbook Pro 15? 2.4 intel-core, 4GB, glossy? in early December 2010.This thesis is breaking apart the comfort zone of being a victim, suggesting we want to be betrayed. Although the ?victim? has detected a risk, his wish to beleive that the affair is what it?s told to be, nourishes the betrayal that can proceed.
Förvildade husdjur : möjligheter och hot
Feral animal populations are distributed over many parts of the world and are often seen as a problem. Since they are a threat against other species, destroy farmlands and can spread dis-eases, they are often referred to as pests. Artificial selection has contributed to loss of genetic diversity in our domesticated animals. Feral animal populations are affected by natural selec-tion, which allows them to adapt to the environment. Their ability to adapt is a reason to see them as pests but can also be seen as an asset.
MELLAN NATION OCH UNION En studie om G?teborgs-Postens framst?llning av svensk identitet vid EU-intr?det
This study examines how the Swedish newspaper G?teborgs-Posten presented Swedish identity in relation to the country?s referendum and EU-membership. By investigating the usage of the Swedish identity, related to EU-membership, the ambition is to conclude whether the newspaper was positive towards EU-membership. The empirical base consists of articles produced by G?teborgs-Posten from the first of October 1994 to the last day of January 1995.
Design of a Direct-conversion Radio Receiver Front-end in CMOS Technology
In this Master's thesis, a direct-conversion receiver front-end has been designed in a 0.18um CMOS technology. Direct-conversion receivers (DCR) have obvious advantages over the heterodyne counterpart. Since the intermediate frequency (IF) is zero, the problem of image is circumvented. As a result, no front-end image reject filter is required and the channel selection requires only a low-pass filter, which makes it easy to integrate directly on chip. However, the DCR also suffers from several drawbacks such as extreme sensitivity to DC offsets, 1/f noise, local oscillator (LO) leakage/radiation, front-end nonlinearity and I/Q mismatch.
Attityder, bemötande och engagemang : Om emotionernas och myternas betydelse i mötet med kvinnor utsatta för mäns våld
Denna studie i socialantropologi är baserad på intervjuer med två kvinnor anställda på en kvinnojour. Den handlar om deras uppfattningar och erfarenheter vad gäller uppbrottsprocessen för den kvinna som utsatts för mäns våld och hur hon blir bemött av polis och sociala myndigheter under uppbrottet. Kvinnan som ska bryta sig loss från mannen måste ofta ta kontakt med olika myndigheter för att lösa sin situation och dessa har visat sig agera på olika sätt. Deras kunskap är av stor vikt, men det är också nödvändigt att fundera på hur de personliga känslorna styr bemötandet och utgången av mötet. Människan är mån om att försöka anpassa sina känslor till situationen och tysta regler styr vad som är korrekt i en specifik situation.
Stress: En gransking av studenters stressnivå - Praktik och icke praktik
Practical and theoretical learning are methods that are used in schools as a
way to prepare students for the working life. Within the practical learning
knowledge is not only acquired to learn in practice, but the students must also
be able to apply their theoretical knowledge to what he/she does. Against this
background, the aim of the study was to investigate the importance of practical
learning for students in college / university level and how they are
experiencing the stress that may arise out of the loss of practical learning
during their education, as well as their vision for working life after
completing their education.
The population of the study consisted of N = 36, which 18 of these had used
both practical and theoretical learning and the remainder had only used
theoretical learning. The method was a questionnaire survey with a high
proportion of fixed alternative answers according to likert scales.
Ett träd och dess liv : Förskolebarns uppfattningar om träd
The aim of this study was to investigate preschool children's perceptions of trees in and it was done through qualitative interviews. The children were drawing trees and told me what the tree needs to grow and what happens to the leaves in autumn. In a playful way, they learned more about trees and the purpose was also to examine whether they had acquired new experiences and thoughts on the trees, photosynthesis and decomposition. Then the children were interviewed again to see if their answers were different. The results showed that the children gave different answers at the second interview.
Värdering av katastrofers miljökonsekvenser
When a disaster occurs the main focus is on the loss of human lives. Here the environmental effects have been in the centre of attention. This work has had two main purposes. The first one was to formulate attributes, variables that together present a complete picture of the consequences that an event has had on the environment. The other main purpose was to investigate how people value the impact that a disaster can have on the environment.
Kärnkraft : Ett arbete för drifttekniker?
The gas turbines in the Swedish secondary reserve are reaching the end of their technical lifetime, hence alternative solutions need to be considered. One of the solutions thought to have the greatest potential is the use of so called consumptionreduction. By entering contracts with large consumers, agreements are made to reduce consumption in the event of major disturbances in the power system and thus being used as a secondary reserve. This thesis investigates the feasibility of consumption reduction as part of the secondary reserve. This has been achieved by developing a requirement specification for the disturbance reserve and by studying the technical and economic potential for consumption reduction among a range of consumers.The technical potential for consumption reduction that fulfils the requirements for participating in the secondary reserve are on average 750 MW in SE 3 and 98 MW in SE 4.
På jakt efter den produkt som flytt - en studie om uppskjuten produktlansering och dess effekter
Many product launches are postponed today, however very little research regarding to customer responses to such events has been carried out. The purpose of this paper is to investigate how people react to a postponed product launch. An experimental study of responses to a postponed launch of a mobile phone, a mineral water and a music album is used to investigate customer reactions. The respondents exposed to the postponed launch showed a higher value of reactance. This reactance affects the attitude, purchase intention and perceived quality of the product in a negative way.
Strategisk styrning av intranät: Centrala val att uppmärksamma
Having an intranet as a source for information and communication is common in most contemporary organizations. Research shows that the intranet in itself does not have an explicit area of use, and that leaves every organization to make decisions of the associated functionality on their own. At the same time the strategic opportunities that the intranet could bring get lost somewhere along the way. This means that problems regarding the strategic use of an intranet becomes apparent and may result in loss of investments for the organization. The purpose of this thesis is to identify central choices that can be used as points of discussion and help organizations to work with their intranets on a more strategic level.