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Herbivory defence chemicals in plants can affect higher trophic levels such as predators and parasitoids, but the impact on pollinators has been overlooked. We show that defensive plant chemicals can damage pollinator fitness when expressed in pollen. Crop lupins (Lupinus species from Europe and South America) accumulate toxic quinolizidine alkaloids in(More)
This paper describes the main problems that arise in a Motor Control Center by the unregulated consumption of electricity due to increased drilling oil wells and the need to treat the resulting water. The implemented solution is a reactive compensation system with automatic control of capacitor banks whose electrical variables such as active power, reactive(More)
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