The activity of polonium (210)Po and uranium (234)U, (238)U radionuclides, as well as trace metals in mosses, collected from Sobieszewo Island area (northern Poland), were determined using the alpha spectrometry, AAS (atomic absorption spectrometry) and OES-ICP (atomic emission spectrometry with inductively coupled plasma). The concentrations of mercury (directly from the solid sample) were det...

INTRODUCTION A medical visit for plant ingestion is rare in the pediatric emergency services but may involve a high toxicity. The botanical toxicology training of health staff is often very limited, and it can be difficult to make a diagnosis or decide on the appropriate treatment. OBJECTIVE To study the epidemiological and clinical characteristics of poisoning due to plant ingestion in order...

This work aimed to assess the potential of unmanned aerial vehicle (UAV) multi- and hyper-spectral platforms estimate chlorophyll-a (Chl-a) cyanobacteria in experimental fishponds Brazil. In addition spectral resolutions, tested differ price, payload, imaging system, processing. Hyperspectral airborne surveys were conducted using a push-broom system 276-band Headwall Nano-Hyperspec camera onboa...

It was demonstrated in 1964 by F.W. Smith and B. Widrow that a neural network used as an adaptive controller could be trained to stabilize an inverted pendulum fixed to a non-stationary platform or cart (the "broom-balancer"). The critical state variables (pendulum angle, pendulmn angular velocity, cart position, cart velocity) were measured and fed to the system in digital form. An unrealized ...

Given that pollinators usually visit flowers for hidden rewards, they need to rely on floral traits indicate reward status (“honest signals”). However, the relationship between pollination, honest signals, and rewards is little documented in natural conditions. The Scotch broom (Cytisus scoparius) an invasive shrub with polymorphism color of its can be yellow, orange, or red. In three areas dom...