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Railroads --- Human engineering. --- Automatic train control --- Safety measures. --- Signaling

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Railroads --- Railroads --- Human engineering. --- Automatic train control --- Safety measures. --- Signaling --- Safety measures.

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Batá music --- Drum language --- Yoruba (African people) --- Batá, Musique de --- Langage tambouriné --- Yorouba (Peuple d'Afrique) --- History and criticism --- Music --- Histoire et critique --- Musique --- History and criticism. --- Yariba (African people) --- Yooba (African people) --- Yorubas --- Ethnology --- Nonverbal communication --- Signals and signaling

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The Wnt/[beta]-catenin signaling pathway is a key regulator of cell fate specification, differentiation, and growth in multiple systems throughout the animal kingdom. In vertebrate posterior neural development, Wnt/[beta]-catenin signaling controls this complex multistep process. It initially induces the posterior regions of the nervous system, including the mid-hindbrain border, hindbrain, spinal cord and neural crest, and then subsequently fine-tunes the pattern of each region and determines the different cell fates within them. In this review, we explore the function of the Wnt/[beta]-catenin pathway during the formation of these specific posterior neural regions. We have examined the important transcriptional targets of the Wnt/[beta]-catenin pathway acting downstream to mediate its morphogenetic activity. Different regulatory networks are activated in different posterior neural regions, and these networks induce specific neural cell types in each region. Eludidating how each of these networks specify different cell fates is crucial for understanding the basic tenets of how Wnt morphogenetic activity induces the posterior nervous system during the earliest stages of vertebrate development.

Evolution. --- Morphogenesis. --- Neural development. --- Chordata --- Armadillo Domain Proteins --- Intercellular Signaling Peptides and Proteins --- Catenins --- Anatomy --- Transcription Factors --- Cytoskeletal Proteins --- Proteins --- Biological Factors --- Animals --- Peptides --- Chemicals and Drugs --- Eukaryota --- Amino Acids, Peptides, and Proteins --- Organisms --- Vertebrates --- beta Catenin --- Wnt Proteins --- Nervous System --- Human Anatomy & Physiology --- Health & Biological Sciences --- Neuroscience --- Cranial fossa, Posterior --- Wnt proteins. --- Growth. --- Wnt genes. --- Developmental neurobiology. --- Wnt Proteins. --- Neurogenesis. --- Cell Differentiation. --- Wnt/[beta]-catenin signaling --- vertebrate development --- neural patterning --- neural caudalization --- posterior neural cell fate specification --- neural induction

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Wireless Communication in Underground Mines: RFID-based Sensor Networking focuses on the recent advances in wireless communication technologies for underground mines and other hazardous areas. This comprehensive book provides a unified foundation of wireless communication systems for transmission of data, voice and video, and incorporates intrinsically safe design and development aspects of circuits, which are essential for hazardous areas. Topics covered in this book include design and development of an intrinsically safe trapped miner communication system, shaft communication system, line-of-sight communication system, mine-wide communication system, and web based information system. RFID technology is also discussed in detail, including compatible system specific embedded software for underground applications and program codes for different devices. Wireless Communication in Underground Mines: RFID-based Sensor Networking covers a wide range of wireless communication systems as well as wireless sensor networking, radio frequency identification devices, and intrinsically safe circuit design techniques for underground mines and other hazardous areas. Designed for practicing engineers, the book incorporates all the technical details starting from design, fabrication, assembling, intrinsic safety analysis, testing, laboratory and field trials, deployment and operations of different wireless communication systems.

Mine communication systems. --- Wireless communication systems. --- Mine signaling systems --- Telecommunication in mining --- Communication systems, Wireless --- Wireless data communication systems --- Wireless information networks --- Wireless telecommunication systems --- Engineering. --- Computer communication systems. --- Microwaves. --- Optical engineering. --- Electrical engineering. --- Electronic circuits. --- Communications Engineering, Networks. --- Computer Communication Networks. --- Microwaves, RF and Optical Engineering. --- Circuits and Systems. --- Telecommunication systems --- Signals and signaling --- Telecommunication. --- Systems engineering. --- Engineering systems --- System engineering --- Engineering --- Industrial engineering --- System analysis --- Hertzian waves --- Electric waves --- Electromagnetic waves --- Geomagnetic micropulsations --- Radio waves --- Shortwave radio --- Electric communication --- Mass communication --- Telecom --- Telecommunication industry --- Telecommunications --- Communication --- Information theory --- Telecommuting --- Design and construction --- Electron-tube circuits --- Electric circuits --- Electron tubes --- Electronics --- Mechanical engineering --- Communication systems, Computer --- Computer communication systems --- Data networks, Computer --- ECNs (Electronic communication networks) --- Electronic communication networks --- Networks, Computer --- Teleprocessing networks --- Data transmission systems --- Digital communications --- Electronic systems --- Information networks --- Telecommunication --- Cyberinfrastructure --- Electronic data processing --- Network computers --- Electric engineering --- Distributed processing