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  1. en.wikipedia.org › wiki › LogarithmLogarithm - Wikipedia

    3 天前 · In mathematics, the logarithm is the inverse function to exponentiation. That means that the logarithm of a number x to the base b is the exponent to which b must be raised to produce x. For example, since 1000 = 103, the logarithm base of 1000 is 3, or log10 (1000) = 3.

  2. en.wikipedia.org › wiki › AmmoniaAmmonia - Wikipedia

    1 天前 · Ammonia is an inorganic chemical compound of nitrogen and hydrogen with the formula N H 3. A stable binary hydride and the simplest pnictogen hydride, ammonia is a colourless gas with a distinctive pungent smell. Biologically, it is a common nitrogenous waste, and it contributes significantly to the nutritional needs of terrestrial organisms by serving as a precursor to fertilisers. [13 ...

  3. en.wikipedia.org › wiki › IndiaIndia - Wikipedia

    1 天前 · India, officially the Republic of India ( ISO: Bhārat Gaṇarājya ), [21] is a country in South Asia. It is the seventh-largest country by area; the most populous country as of June 2023; [22] [23] and from the time of its independence in 1947, the world's most populous democracy.

  4. 1 天前 · Air pollution is the contamination of air due to the presence of substances called pollutants in the atmosphere that are harmful to the health of humans and other living beings, or cause damage to the climate or to materials. [1] It is also the contamination of the indoor or outdoor environment either by chemical, physical, or biological agents ...

  5. 1 天前 · 50 MHz of spectrum from 4940 to 4990 MHz (WLAN channels 20–26) are in use by public safety entities in the United States. Within this spectrum there are two non-overlapping channels allocated, each 20 MHz wide. The most commonly used channels are 22 and 26.

  6. 4 天前 · Everything Everywhere All at Once is a 2022 American absurdist comedy-drama film written and directed by Daniel Kwan and Daniel Scheinert, [a] who produced it with Anthony and Joe Russo and Jonathan Wang. The film incorporates elements from several genres and film media, including surreal comedy, science fiction, fantasy, martial arts films, immigrant narrative, and animation. [5] [6] [7 ...

  7. en.wikipedia.org › wiki › Airbus_A350Airbus A350 - Wikipedia

    5 天前 · 598 as of 30 April 2024. [update] [4] The Airbus A350 is a long-range, wide-body twin-engine airliner developed and produced by Airbus . The initial A350 design proposed by Airbus in 2004, in response to the Boeing 787 Dreamliner, would have been a development of the Airbus A330 with composite wings and new engines.