Kenya is a country of 35 million people and is situated in Eastern Africa. 70% of thepopulation works within the agricultural sector and for many of them food insecurity is amajor problem. Maize and beans are today the staple food for many households. Goodfarming conditions enable two harvests per year and a potential maize yield of 4-5 tons perhectare.A major problem for many farmers in this area is the increase of the weed striga. The weedcauses severe yield losses, and has a major economic impact on smallholders.

Syftet med den fo?religgande underso?kningen a?r att fa? kunskap om hur undervisning kan fo?rba?ttra elevers la?rande vad det ga?ller elevers historiemedvetande. Metoden som under- so?kningen anva?nde sig av a?r en learning study, ett kollektivt samarbete mellan historiela?rare som riktar fokus pa? elevers la?rande. Genom utva?rderingen av det samlade datamaterialet besvarades underso?kningens fra?gesta?llningar Vilka a?r de kritiska aspekterna fo?r att elever i a?rskurs 8 ska kunna utveckla en ho?gre grad av historiemedvetande, och Vilka centrala punkter i undervisningens uppla?gg go?r positiv skillnad fo?r elevers la?rande? Resultatet visar att de deltagande pedagogerna identifierade tre kritiska aspekter som anses vara avgo?rande fo?r en undervisning med ma?let att utveckla elevers historiemedvetande: 1.

The aim for the study was to examine a harwarder´s (combined harvester-forwarder) productivity when harvesting forest fuel in first thinning stands that contains Lodgepole pine and calculate the economy of the harvesting work and estimate the quality of the thinning . The field study area where located near Arvån, about 15 kilometres south ?east from the city of Lycksele. The field studies were taken place in three different stands. All tree stands had the same tree age, but the tree species combination and the density varied.

In the EU the amount of waste increased by 14 percent during the years 2000 to 2010. EU?s target to reduce waste generation runs parallel with the aim of increasing the efficiency and profitability aligned with energy recovery. In Sweden the energy recovery through incineration is increasing steadily, and 46 percent of the municipal solid waste (MSW) is treated by combustion. This report aims to examine the profitability of processing MSW into Refuse Derived Fuel (RDF) from an economic-, energy- and environmental perspective.

Denna kvalitativa studie unders?ker vilka motiv som ligger bakom gymnasieelevers val att l?sa ?mnet svenska som andraspr?k, sva, och vilka erfarenheter de har med flerspr?kighet i klassrummet. Studien har en fenomenologisk ansats d?r elevernas livsv?rldar och dess spr?kliga repertoarer anses p?verka elevernas beslut och f?rh?llnings?tt (Busch 2017). Detta inneb?r att elevernas uppfattning om ?mnet sva och deras inst?llning till flerspr?kighet p?verkas av deras tidigare erfarenheter.

This report is a thesis for collegeengineering program in structuralengineering at Uppsala University andwas commissioned by the Swedishcontractor Svevia. The study aims toprovide an overview of the mostbeneficial bridge material from bothenvironmental and economic point ofview.The life-cycle analysis covers onlycarbon dioxide emissions, since it isthe most spoken of in today?s climateagenda. Furthermore, this study aims tohighlight which parts, of the systemboundary, that contributes to greatercarbon emissions for the wood- and theconcrete bridge.The life-cycle cost analysis wascalculated with a lifespan of 40 yearsand covers the basic cost of investment,operating and maintenance, anddecommissioning costs.The analyzed constructions in this studyare existing projects that are almostcompleted. Both bridges were designed tohandle loads up to 60 tons.

Ever since ABB has begun diecasting their rotors instead of permanent mold casting it,variation in the quality of the cast has arisen. Diecasting is performed in three differentmachines, M1, M2, M3 with 400, 660 respectively 800 tons of die locking pressures.The aim of this thesis is to answer the following questions:What is the ?right? cast quality? How is the right quality achieved?For sizes 160-180 solutions will be proposed that consider eccentricity between thelaminate and the short circuit ring as well as elimination of the thin Al film that appearson the outer periphery of the rotors.Through considering the statistic material the most often diverging rotor type has beenidentified and one of the actual rotors has been sent to a laboratory to be analyzed inorder to establish the current defects. The result of the analysis shows that there areplenty of gas- and oxide-porosity.It has been proved that every time the dies temperature decreased below 120°C thecontent of gas porosity increased. It is due to rapid solidification of metal that flowsthrough the ?cold? laminate.It has confirmed that enhanced porosity in squirrel cage causes high impedance in therotors.

Bakgrund: Sepsis ?r ett allvarligt tillst?nd d?r kroppens immunf?rsvar reagerar oproportionerligt kraftigt vilket kan orsaka livshotande svikt av vitala organfunktioner d?r tidig uppt?ckt har en betydande roll f?r patientens ?verlevnad. Sjuksk?terskan p? akutmottagningen har en viktig roll i den tidiga identifiering av sepsis vilket ?r ett komplext uppdrag d? sepsis har en diffus symtombild, ett individuellt f?rlopp, och snabbt kan f?r?ndras. Det st?ller krav p? sjuksk?terskans kunskap f?r att kunna arbeta i enlighet med k?rnkompetensen s?ker v?rd f?r att minska lidande och r?dda liv. Syfte: Vilka kunskaper beh?ver sjuksk?terskan ha f?r att tidigt kunna uppt?cka sepsis p? akutmottagningen. Metod: Strukturerad litteratur?versikt baserad p? 12 originalartiklar med b?de kvalitativ-, kvantitativ- och mixad design h?mtade fr?n databaserna PubMed, Cinahl och Scopus. Artiklarna har analyserats enligt Fribergs analysmodell i fem steg f?r litteratur?versikter, och presenteras i tre huvudteman samt ett antal underteman. Resultat: Analysen resulterade i tv? huvudkategorier med tv? subkategorier vardera: 1) Kunskap om befintlig evidens; a) symptom och tecken vid sepsis b) rutiner och screeningsverktyg.

Virkestransporter står för ca 25 % av de totala anskaffningskostnaderna för skogsindustrin. Implementeringen av High Capacity Transports (HCT) i syfte att reducera transportkostnaderna och minska miljöpåverkan för att bibehålla en hög konkurrenskraft för svensk skogsindustri har på senare tid fått ett ökat intresse. Ett av dessa HCT-fordon är ST-kran, där ST står för ?Större Travar? och är en kranbil som utvecklats för rundvirkestransporter med en bruttovikt på 74 ton vilket är 23 % högre än en konventionell 60 tons kranbil. Syftet med detta examensarbete var att undersöka besparingsmöjligheter för rundvirkestransporter genom införande av ST-kran hos Södra Skogs eget åkeri. Studien delades upp i tre faser.

Vertical hydropower units has a rotating mass of up to 1000 tons. For the generator and turbine to work well the rotating system is required to be centered in relation to the surrounding structure. This is achieved by means of radial bearings. The dynamic characteristics of these bearings have a strong impact on the overall rotational dynamics of the total system and thus influence the vibrations in the unit. At Vattenfall Research & Development in Älvkarleby ongoing research is taking place on how the bearing parameters should be represented in the rotor dynamic calculations.

With higher prices for oil and increased focus on fossil fuels impact on the environment the heating sector are searching for alternative fuels. Pellets are a quite new product whose production has risen exponential in recent years. Today there are small-, medium-and large-scale users, where the large-scale consumers are the heating sector. The heating sector is mainly using oil to cover the increased demand during cold periods. The purpose of this study is to analyze the potential of pellets if it would replace thermal power plants oil and coal. The study will also analyze the economic impact a conversion would mean for a heating plant and if the pellet is a reasonable substitute. 2008 statistics from the Swedish district heating association were analyzed and a calculation was performed to determine how many tons of pellets is needed to replace coal and oil.

Denna kvalitativa studie unders?ker vilka motiv som ligger bakom gymnasieelevers val att l?sa ?mnet svenska som andraspr?k, sva, och vilka erfarenheter de har med flerspr?kighet i klassrummet. Studien har en fenomenologisk ansats d?r elevernas livsv?rldar och dess spr?kliga repertoarer anses p?verka elevernas beslut och f?rh?llnings?tt (Busch 2017). Detta inneb?r att elevernas uppfattning om ?mnet sva och deras inst?llning till flerspr?kighet p?verkas av deras tidigare erfarenheter.

Based on laboratory studies with lysimeters, the concentrations of dissolved reactive phosphorus(DRP) and particulate phosphorus, which is the main part of other P (OVRP), has been studied inpercolating water. The experiment was conducted through irrigation of small soil columnscontaining clay topsoil from an experimental field in Västergötland. Three rain simulations wereconsecutively performed. DRP concentrations in the percolating water ranged between 0.2 - 0.3mg·Lclearly related to the phosphorus concentration in the soil, measured in a soil extract ofammonium lactate (P-AL). Concentrations of OVRP were relatively low and ranged between0.12 and 0.16 mg·Lwas not proven and the experiment may reflect how a relatively slow percolation of water mayrelease DRP.

Titel: Svenska SMF i en global va?rld Internationaliseringsstrategier fo?rexpansion till IndienKurs: 2EB00E Kandidatuppsats VT-2012Fo?rfattare: Erik Busk 860724 Peter Olsson 830502 Erik O?rlander 861126Bakgrund:Att etablera sig pa? en internationell marknad har tidigare varit fo?rbeha?llet fra?mst stora fo?retag. Men i takt med att intra?desbarria?rerna har minskat har det o?ppnats mo?jligheter a?ven fo?r mindre fo?retag att etablera sig pa? en internationell marknad och Indien a?r ett av de la?nder som lockat flest utla?ndska fo?retag de senaste 20 a?ren. A?ven om internationaliseringen har blivit la?ttare, inneba?r det stora risker fo?r sma? och mellanstora fo?retag, och valet av strategi och entry mode a?r da?rfo?r mycket viktigt.Syfte:Syftet med studien a?r att identifiera och underso?ka vilka begra?nsningar och mo?jligheter svenska tillverkande SMF har i deras internationaliseringsstrategier till Indien.

Utbildning a?r en ra?ttighet fo?r alla och den ger ocksa? fortsatt tillga?ng till andra samha?llsra?ttigheter. I dag upplever ma?nga elever i gymnasiet ett misslyckande och avbryter utbildningen eller ga?r ut skolan utan fullsta?ndiga betyg. Det som ha?nder i klassrummet a?r en stor pa?verkansfaktor pa? elevens studieresultat.