The shape of the spectral distribution may also vary to be more broad or with narrow peaks. Andreas Fhager; Mikael Persson. Lumen maintenance and light loss factors LLF represent the decline in lumen output over time, which can be attributed to decreases in lamp emissions and changing surface properties with age. Economic activity, for example real capita gross domestic product GDP, a measure of national economic health is correlated with the amount of light and light pollution for an area [ 89 ]. Folsyra kan ha både en skyddande effekt på utvecklingen av vissa cancerformer och en stimulerande effekt på tillväxten av vissa tumörer. Investigation of pavement light reflection characteristics. Energy consumption or CO 2 for the use phase.
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Folsyratillskott vid cancerbehandling med cytostatika eller strålning