Showing items with similar title or keywords.

• Solar UV radiation and plant responses : assessing the methodological problems in research concerning stratospheric ozone depletion 

  Kotilainen, Titta (University of Jyväskylä, 2010)

    

• Fluoranteenin vaikutukset vesikirpun (Daphnia magna) kasvuun, lisääntymiseen ja sydämensykkeeseen eri lämpötiloissa 

  Honkaranta, Emilia (2023)

  Polysyklisiä aromaattisia hiilivetyjä (PAH-yhdisteitä) esiintyy kaikkialla ympäristössä. Ne syntyvät epätäydellisen palamisen seurauksena, esimerkiksi vulkaanisessa toiminnassa sekä fossiilisten polttoaineiden poltossa. ...

• Pollen competition in silver birch (Betula pendula Roth) : an evolutionary perspective and implications for commercial seed production 

  Pasonen, Hanna-Leena (2000)

  Pollen competition arises from differences among pollen donors in pollen-tube growth rate. According to the pollen competition hypothesis, only the fastest-growing pollen tubes are assumed to achieve fertilization. By this ...

• Influence of Welding Time on Tensile-Shear Strength of Linear Friction Welded Birch (Betula pendula L.) Wood 

  Ruponen, Jussi; Cermák, Petr; Rhême, Martin; Miettinen, Arttu; Rohumaa, Anti; Rautkari, Lauri (North Carolina State University, 2015)

  The purpose of this work was to determine the optimal welding time for linear friction welding of birch (Betula pendula L.) wood while keeping the other parameters constant and at similar levels compared to other species ...

• Combustion Properties of Birch (Betula pendula) Black Liquors From Sulfur-Free Pulping 

  Chen, Chengcong; Alén, Raimo; Lehto, Joni; Pakkanen, Hannu (Taylor & Francis Inc., 2016)

  Sulfur-free pulping has an environmental advantage over the traditional kraft process. This article describes the combustion properties of the black liquors produced from silver birch (Betula pendula) sawdust using three ...