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1 天前 · Fentanyl is a highly potent synthetic piperidine opioid primarily used as an analgesic. It is 20 to 40 times more potent than heroin and 100 times more potent than morphine; [9] its primary clinical utility is in pain management for cancer patients and those recovering from painful surgeries. [10][11] Fentanyl is also used as a sedative. [12] .
2 天前 · This is a list of TCP and UDP port numbers used by protocols for operation of network applications. The Transmission Control Protocol (TCP) and the User Datagram Protocol (UDP) only need one port for duplex, bidirectional traffic. They usually use port numbers that match the services of the corresponding TCP or UDP implementation, if they exist.
3 天前 · A quantum computer is a computer that exploits quantum mechanical phenomena. On small scales, physical matter exhibits properties of both particles and waves, and quantum computing leverages this behavior using specialized hardware.
3 天前 · The nucleus of Halley's Comet, imaged by the Giotto probe on 14 March 1986. The dark colouration of the nucleus can be observed, as well as the jets of dust and gas erupting from its surface. The Giotto and Vega missions gave planetary scientists their first view of Halley's surface and structure.
2 天前 · Ferris Bueller's Day Off is a 1986 American teen comedy film written, co-produced, and directed by John Hughes. The film stars Matthew Broderick, Mia Sara, and Alan Ruck, with supporting roles from Jennifer Grey, Jeffrey Jones, Cindy Pickett, Edie McClurg, Lyman Ward, and Charlie Sheen.
2 天前 · The Sun is the star at the center of the Solar System. It is a massive, nearly perfect sphere of hot plasma, heated to incandescence by nuclear fusion reactions in its core, radiating the energy from its surface mainly as visible light and infrared radiation with 10% at ultraviolet energies.
3 天前 · Bali (English:/ˈbɑːli/; Balinese: ᬩᬮᬶ) is a province of Indonesia and the westernmost of the Lesser Sunda Islands. East of Java and west of Lombok, the province includes the island of Bali and a few smaller offshore islands, notably Nusa Penida, Nusa Lembongan, and Nusa Ceningan to the southeast. The provincial capital, Denpasar,[10 ...
