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In the next-generation mobile wireless networks, mobility support and QoS provisioning are two critical issues. When it becomes much easier to access the internet from mobile devices, the real-time service over mobile network will be on high demand. To satisfy these requirements we must consider finest level of QoS guarantee in the mobile network. In this(More)
The toxicity of six metals (Cd, Cu, Hg, Ni, Pb and Zn) to the early life stages of the brown seaweed Undaria pinnatifida were tested using two endpoints: spore germination and germ tube elongation. The optimal test conditions determined for photon irradiance, pH, salinity and temperature were darkness, pH 8, 35‰ and 15°C, respectively. The EC50 values could(More)
An ecological impact assessment of four herbicides (atrazine, diuron, paraquat and simazine) was assessed using the aquatic floating vascular plants, Lemna gibba, Lemna minor and Lemna paucicostata as test organisms. The sensitivity of several ecologically relevant parameters (increase in frond area, root length after regrowth, maximum and effective quantum(More)
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