Search results for "happi"
showing 10 items of 178 documents
Työn eetos, vapaus, onnellisuus : perheyrittäjien arvojen kuvauksen rakentuminen eräiden suomalaisten lehtien reportaaseissa
2014
Alusveden hapetuksen vaikutus pienten humusjärvien syvännepohjaeläimistön tilaan
2016
Järvien vedenlaatua ja ekologista tilaa voidaan pyrkiä parantamaan erilaisilla kunnostusmenetelmillä, joista alusveden hapetus on yksi käytetyimmistä. Alusvettä hapetetaan kierrättämällä päällysvettä pohjanläheisyyteen, ja menetelmän avulla pyritään ehkäisemään järven sisäistä kuormitusta. Hapetus kuitenkin nostaa alusveden lämpötilaa ja estää järven luontaisen kerrostumisen. Tieteellisiä tutkimuksia hapetuksen pitkäaikaisista vaikutuksista järvien tilaan on niukasti, vaikka hapetus on ollut suosittu kunnostusmenetelmä jo 1970-luvulta lähtien. Tässä tutkimuksessa tarkasteltiin kolmen keskisuomalaisen järven (Jyväsjärvi, Tuomiojärvi ja Alvajärvi) syvännepohjaeläinyhteisöissä tapahtuneita muu…
From the forest to the plate – Hemicelluloses, galactoglucomannan, glucuronoxylan, and phenolic-rich extracts from unconventional sources as function…
2021
This study aimed to characterise pressurised hot water (PHW) extracts from nonconventional sources of functional carbohydrates and phenolic compounds in terms of antioxidant capacity, antiviral activity, toxicity, and human erythrocytes’ protection antidiabetic potential. PHW extracts of Norway spruce bark (E1 + E2) and Birch sawdust (E3 + E4) contained mostly galactoglucomannan and glucuronoxylan. In contrast, samples E5 to E9 PHW extracted from Norway spruce, and Scots pine bark are rich sources of phenolic compounds. Overall, phenolic-rich extracts presented the highest inhibition of α-amylase and α-glucosidase and protection against stable non-enveloped enteroviruses. Additionally, all …
Development of temperature and respiratory gases during summer stratification in two lakes in southern Finland
2007
Use of nanostructures as oxygen carriers in chemical looping combustion
2013
The usage of fossils fuels has increased carbon dioxide emissions, and the carbon dioxide is responsible for global warming and sea level rising. One of the most promising ways of carbon capturing from the power plants is chemical looping combustion (CLC). CLC is based on the alternating oxidation and reduction reactions on the air and fuel reactors. Oxygen and energy needed for combustion between the reactors is transferred by an oxygen carrier. Oxygen carrier is usually made of metal or metal oxide. One big hindrance towards commercial use of CLC is slow reaction kinetics of oxygen carriers. One possible solution for the problem is to replace the conventional carriers by nanoscale oxygen …
Subjective well-being as an individually constructed phenomenon
2008
Towards a sustainable well-being
2013
Given the need of a new economic paradigm for the achievement of a world of sustainable wellbeing, this paper presents the main findings from the literature on sustainable well-being. We try to identify a few approaches of measurement, highlighting strengths and weaknesses. We analyzed Romania's position in the global context in terms of happiness index. Are sustainable well-being indicators a good guide for policy-making? Also, the paper discusses the role of education in ensuring the sustainable well-being.
The Most Invisible Maternal Experience? Analysing How Maternal Regret Is Discussed in Finland
2021
AbstractIn Finland, becoming a mother is often constructed as an individual choice that ultimately leads to personal fulfilment and happiness, despite the occasional ‘negative’ feelings associated with motherhood such as exhaustion, frustration and tiredness. In this cultural atmosphere, maternal regret continues to be a subject that is hidden, forbidden and rarely scrutinised. It is perhaps surprising that in one of the world’s most gender egalitarian countries, which is also perceived to be one of the best countries in which to be a mother, women still testify that motherhood is limited to survival. We argue that, somewhat paradoxically, discussing the negative emotions of motherhood migh…