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The High Altitude Student Platform (HASP) was originally conceived to provide student groups with access to the near-space environment for flight durations and experiment capabilities intermediate between what is possible with small sounding balloons and low Earth orbit rocket launches. HASP is designed to carry up to twelve student payloads to an altitude of about 36km with flight durations of 15–20h...
In order to investigate the potential ecotoxicity of diethanolamine (DEA), a battery of model systems was developed. DEA is widely used as a chemical intermediate and as a surface-active agent in cosmetic formulations, pharmaceuticals and agricultural products. DEA was studied using ecotoxicological model systems, representing four trophic levels, with several bioindicators evaluated at different...
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