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Value-added estimates are a significant improvement upon measures of school performance currently used in most education systems across OECD countries. They provide a fundamentally more accurate and valuable quantitative basis for school improvement planning, policy development and for enacting...
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This Test Guideline describes the determining of the ultraviolet-visible (UV-VIS) absorption spectrum of a chemical …. Degradation will depend upon the total energy absorbed in specific wavelength regions. The absence of measurable absorption does … the absorption differences between the blank (the solvent and all present chemical species other than the test chemical …
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Expanding airport capacity in large metropolitan areas is difficult. Community agreements on noise constrain growth at existing airports. Land prices can be prohibitive for relocating airports. Most new sites require extensive investment in surface transport links to city centres. In...
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Artificial intelligence (AI) is transforming economies and promising new opportunities for productivity, growth, and resilience. Countries are responding with national AI strategies to capitalise on these transformations. However, no country today has data on, or a targeted plan for, national AI...
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