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of good quality and healthy food; protecting diversity of seeds, plants and animals Reduction of chemical contamination of ground water Supporting meaningfull work and identification Resilient economy with
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http://www.mendcomm.org/Mendeleev.aspx. Bensaude-Vincent, B. (1986). Mendeleev’s periodic sys- tem of chemical elements. British Journal for the Histo- ry of Science, 19, 3–17. Cassebaum, H. & Kauffman, G. B
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fileadmin/content/abteilungen/developing-countries/dokumente/downloads/sesam-african-workshop-2008-final.pdf
organic fertilizers affects crop productivity significantly when most farmers cannot afford to buy chemical fertilizer. Although data from different sources do not always match, calculations would indicate [...] technology produces fuel without impairing the fertilizer value of the dung. Biogas production is a bio- chemical process occurring in three stages: hydrolysis; acidogenesis and methanogenesis, during which different [...] followed by composting makes handling of the residue much safer from a hygienic point of view; − reduce chemical fertiliser costs of farmers: by reducing the amount of synthetic fertiliser used; − reduce greenhouse
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fileadmin/content/institute/biologie/arbeitsgruppe-stiegel/dokumente/promotion/stiegel-mantilla-contreras2018-environment-vs-plant-ontogeny.pdf
Variations among plant ontogenetic stages have been found amongst others in leaf toughness [10,17] and chemical defences such as phenolics [18–20]. Boege and Marquis [21] have proposed a pattern for plant ontogenetic [...] tolerance with increasing levels until reaching an optimum as plants further develop. In woody plants, chemical and physical defences increase during seedling and vegetative juvenile stages, respectively, but [...] leaf tissues [59]. Furthermore, phenolic compounds are indicated by C content because mechanical or chemical defences are often carbon-based [60,61]. Despite the absence of differences in plant defences between
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can reduce tree growth, but alters material flows from canopies to forest soils. Therefore, the chemical quality of litter is changed (increases in nitrogen content) through enhanced nutrient cycling rates [...] seems to enhance nutrient cycling rates through an increase of nitrogen (N) content that changes the chemical quality of litter (Chapman et al., 2003). Leaf damage is variable between broadleaved temperate [...] can be divided into structural (spines and thorns, trichomes, and toughened or hardened leaves), chemical (defence compounds), and phenological types (e.g. life-history of plants). In conclusion, various
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fileadmin/content/institute/biologie/arbeitsgruppe-stiegel/dokumente/promotion/stiegeletal2017-reading-the-leaves-palm.pdf
[21–23]. Carbon content is negatively corre- lated to leaf palatability [24] because mechanical or chemical defenses are often carbon-based [25,26]. Also leaf toughness negatively influences palatability [...] growing species produce more carbon-based secondary defense compounds than shade leaves [33,34]. Chemical defenses of woody plants also vary by growth stage, increasing from juveniles to adults [63]. And [...] for F. sylvatica compared to A. pseudoplatanus and C. betulus. A defense index based on leaf size, chemical and mechanical defense for large mam- malian herbivores rates all our studied tree species with
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fileadmin/content/abteilungen/developing-countries/dokumente/downloads/alumni/the-assessment-of-renewable-energy-projects-for-community-benefit-in-west-harris.pdf
UK’, hydrogen as transport fuel has much higher value of up to £7/kg as compared to hydrogen for chemical industry of £1.50/kg.(E4tech, p. Slide 7) Two other online sources were also used to verify transport
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tion (NOAA, 2020), about 30 % of these emissions are absorbed by the ocean. Through a series of chemical reactions, sulfur oxide (SOX) and CO2 cause the acidity of the oceans to increase. In addition,
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Thermodynamik zum Planckschen Wirkungsquantum. In: Physik Journal 7/3, 39-45. Nye, M. J. (1993). From chemical philosophy to theoretical chemistry : dynamics of matter and dynamics of disci- plines, 1800-1950 [...] In: Philosophical Magazine 6 Volume 7, Issue 39, 237-265 Tilden, W. A., & Glasstone, S. (1926). Chemical discovery and invention in the twentieth century. London: Routledge. Weart, S. R. (1988). Nuclear
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Dalton, John: A New System of Chemical Philosophy I 1808, online available: http://archive.org/details/newsystemofchemi01daltuoft. Dalton, John: A New System of Chemical Philosophy II 1827, online available: [...] Thermodynamik zum Planckschen Wirkungsquantum. In: Physik Journal 7/3, 39-45. Nye, M. J. (1993). From chemical philosophy to theoretical chemistry : dynamics of matter and dynamics of disci- plines, 1800-1950 [...] In: Philosophical Magazine 6 Volume 7, Issue 39, 237-265 Tilden, W. A., & Glasstone, S. (1926). Chemical discovery and invention in the twentieth century. London: Routledge. Weart, S. R. (1988). Nuclear
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