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5 天前 · The ocean is the body of salt water that covers approx. 70.8% of Earth.[8] In English, the term ocean also refers to any of the large bodies of water into which the world ocean is conventionally divided.[9] The following names describe five different areas of the ocean: Pacific, Atlantic, Indian, Antarctic/Southern, and Arctic.[10][11] The ...
2 天前 · Mercury is the first planet from the Sun and the smallest in the Solar System. In English, it is named after the ancient Roman god Mercurius (Mercury), god of commerce and communication, and the messenger of the gods. Mercury is classified as a terrestrial planet, with roughly the same surface gravity as Mars. The surface of Mercury is heavily ...
2 天前 · t. e. The viscosity of a fluid is a measure of its resistance to deformation at a given rate. [1] For liquids, it corresponds to the informal concept of "thickness": for example, syrup has a higher viscosity than water. [2] Viscosity is defined scientifically as a force multiplied by a time divided by an area.
4 天前 · Infobox references. Sulfuric acid ( American spelling and the preferred IUPAC name) or sulphuric acid ( Commonwealth spelling ), known in antiquity as oil of vitriol, is a mineral acid composed of the elements sulfur, oxygen, and hydrogen, with the molecular formula H2SO4. It is a colorless, odorless, and viscous liquid that is miscible with water.
2 天前 · The koala ( Phascolarctos cinereus ), sometimes called the koala bear, is an arboreal herbivorous marsupial native to Australia. It is the only extant representative of the family Phascolarctidae and its closest living relatives are the wombats. The koala is found in coastal areas of the mainland's eastern and southern regions, inhabiting ...
2024年5月23日 · According to the Monier-Williams Sanskrit dictionary, the word " śiva " ( Devanagari: शिव, also transliterated as shiva) means "auspicious, propitious, gracious, benign, kind, benevolent, friendly". [24] The root words of śiva in folk etymology are śī which means "in whom all things lie, pervasiveness" and va which means "embodiment ...
6 天前 · Ayahuasca [note 1] is a South American psychoactive brew, traditionally used by Indigenous cultures and folk healers in the Amazon and Orinoco basins for spiritual ceremonies, divination, and healing a variety of psychosomatic complaints. Originally restricted to areas of Peru, Brazil, Colombia and Ecuador, in the middle of the 20th century it ...
