Field work research on population dynamic of snails from the regions of Belo Horizonte and Lagoa Santa give much information about interactions among two or more species of mollusks: Pomacea haustrum, Biomphalaria glabrata, B.tenagophila, B.straminea and Melanoides tuberculata.Data ranging from two years to several decades ago suggest that the Pamp
During tissue development, patterns of gene expression determine the spatial arrangement of cell types.In many cases, gradients of secreted signalling molecules-morphogens-guide this process by controlling downstream transcriptional networks.A mechanism commonly used in these networks to convert the continuous information provided by the gradient i
Human Rights treaties which contain derogation clause, albeit allowing the derogation of some rights and freedoms in states of emergency, have provided some principles that must be observed by the States Parties for the derogation clause to be applicable.The purpose behind the prevision is the prevention from abuse of derogation right and gross vio
The paper deals with the issues related to the friction of carbon-carbon composite against steel in the medium of hydraulic fluid.Variation of friction coefficient from load, speed and temperature is analyzed.Comparison of antifriction properties of Hardcarb Schoolwear TP material with fluoroplastic modified by radiation treatment is performed.It i
When discussing fair play, sports experts nowadays mostly talk about how to "be a sport" on a sport field.It means telling and preaching to athletes to obey all the written rules of sport's ethic and those not written as well.Here we want to explore the other meaning of the term "fair play".We want to really learn about it,