Uppsatser om iron

221 uppsatser · sida 1 av 15

Påverkar järninjektioner risken för ledinflammationer hos smågrisar? :

Examensarbete · SLU

… per liter blood. The immune defense is also dependent upon the presence of iron in hemoglobin, since iron participates in different enzyme systems. When the piglet develops anaemia, it becomes pale and thicker around the neck. It also has a decreased growth rate, becomes …

Iron bioavailability and pro- and prebiotics

Kandidatuppsats · SLU

Iron deficiency is one of the most frequent micronutrient deficiencies around the world. Low iron bioavailability simultaneously with a high iron requirement is a high risk factor for developing iron deficiency. Probiotics are microorganisms that confer a health benefit on the …

Järnberikning av mjöl

exemplifierat med Egypten och Iran

Kandidatuppsats · SLU

The purpose of this study is to give an overview about iron fortification from the view of technique and health. Example of a technical aspect is different iron compounds which are used for fortification like ferrous sulfate, ferrous fumarate and elemental iron. In the aspect of …

Annons

Järnets förekomst i grundvattnet i isälvsavlagringar i Dalarna

Bakgrundshalter och rörmaterialets inverkan vid grundvattenprovtagning

Examensarbete, avancerad nivå · Uppsala universitet

A study has been performed that investigates the variation of iron content in groundwater. The study was initiated by Midvatten AB, which noticed that the iron content in groundwater samples can vary greatly over small distances. The purpose of this study was to geochemically …

I vatten eller jord?

Nytolkning av depåfyndet från Eskelhem

Kandidatuppsats · Högskolan på Gotland

… entire hoard was made of bronze except for one of the bridles that was made of iron. According to Montelius this would mean that iron and the knowledge of iron making already had been adapted on Gotland in the late Bronze Age. Also the bridles were used so Montelius discussed …

Rostfärgat slam i dränagesystem vid vattenkraftsanläggningar

orsaker och åtgärder

Examensarbete, avancerad nivå · SLU

… of this investigation shows that the sludge is a result of the oxidation of iron by iron bacteria, and to the greater part consists of these oxides as well as the bacteria’s own structures. The iron oxidizing bacteria, FeOB, oxides ferrous iron to ferric as a part of their …

Symbolisk dekoration

En studie av Järnspiralen som symbol under yngre järnålder.

Kandidatuppsats · Uppsala universitet

When the Iron spirals investigated in this paper saw the light again no one looked at them as nothing more than decoration. It was first during the 2011 excavation in Old Uppsala that the symbolism of the items no longer could be ignored. The spirals of Old Uppsala lay along the …

Stengrunder och gränser

en studie av kontinuitet från äldre järnålderns stengrundsbygd till nutid

Magisteruppsats · Högskolan på Gotland

… is to calculate correlation between the geographical distribution of all known Iron Age stone-wall-houses (on Gotland known as "kämpagravar") and all farms included in the detailed taxation maps from approximately 1700. The number of remaining house foundations is between 1800 …

Förutsa?ttningar för elektrifierade lastbilar med eHighway inom svensk gruvindustri

En ja?mförelse av olika transportslag mellan Mertainen och Svappavaara

Examensarbete, avancerad nivå · Uppsala universitet

… road systems enabling electrification of trucks, in order to reduce the environmental impact of heavy transports. This study aims to investigate the potential that eHighway has on transporting iron ore from the mine of Mertainen to a processing plant in Svappavaara. Electrified …

Vattenjärnhaltens betydelse för mjölkkors hälsa och produktion :

Examensarbete · SLU

Drinking water from drilled wells has a high content of iron and other minerals in many places in Sweden. Questions about the association between the quality of drinking water and the health of dairy cows are regulary asked both by advisers and dairy farmers. There are so far …

Järnåldersgården som försvann

En studie av produktion, tafonomi och brända ben från möddingen vid gården Långåker från romersk järnålder

Kandidatuppsats · Lunds universitet

… historical osteology deals with several aspects of the life-cycle of an Roman Iron Age farm in southern Scania. Excavated in the 1980's by Lars Larsson, the farm was located near a place called Långåker in the Dybäck area, on a cape which stretched out into a minor bog. Our work …

Hållfasthetsegenskaper i gjutjärn

tensile properties of cast iron

Kandidatuppsats · Högskolan i Jönköping

… with this work is to analyze the tensile properties of a series of cast iron, cast under different metallurgical conditions. Four different series of cast irons have been analyzed from four points of view, carbon concentration, nodularity, amount inoculation and cooling rate …