منابع مشابه
Crustaceans
between species, but between different segments on the same animal. They have limbs specially adapted for walking, eating, grooming, swimming, mating, sensing the surrounding environment, brooding young, spearing prey, scraping surfaces and even snapping to make noise. Lobsters provide a good example of the limb diversity that can exist on even a single individual — the thoracic and abdominal a...
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The photoreceptor design of crustaceans, often containing regular arrays of intrinsically polarisation-sensitive microvilli, has had a profound influence on the visual biology of this subphylum. The land-based arthropods (insects and arachnids) also construct photoreceptors from ordered microvilli; however while in many species polarisation sensitivity results, a general overview of these group...
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Although perhaps not as renowned as its actinide siblings plutonium and uranium, the fourth transuranic element — named in honour of Pierre and Marie Curie — has a story that is intertwined with that of the twentieth century. The first isotope of element 96, 242Cm, was prepared in 1944 by Seaborg, James, and Ghiorso through bombardment of 239Pu with helium nuclei. This finding was quickly follo...
متن کاملCurious Negotiator
In negotiation the exchange of information is as important as the exchange of offers. The curious negotiator is a multiagent system with three types of agent. Two negotiation agents, each representing an individual, develop consecutive offers, supported by information, whilst requesting information from its opponent. A mediator agent, with experience of prior negotiations, suggests how the nego...
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ژورنال
عنوان ژورنال: Nature
سال: 1898
ISSN: 0028-0836,1476-4687
DOI: 10.1038/058597d0