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A pioneering system of plant taxonomy, Linnaeus's Systema Naturae, Leiden, 1735. This list of systems of plant taxonomy presents "taxonomic systems" used in plant classification. A taxonomic system is a coherent whole of taxonomic judgments on circumscription and placement of the considered taxa. It is only a "system" if it is applied to a ...
Mather & Platt is the name of several large engineering firms in Europe, South Africa and Asia that are subsidiaries of Wilo SE, Germany or were founded by former employees. The original company was founded in the Newton Heath area of Manchester , England, where it was a major employer.
Although sandalwood trees in India, Pakistan, and Nepal are government-owned and their harvest is controlled, many trees are illegally cut down. Sandalwood oil prices had risen to $3000 per liter by 2017. [12] S. ellipticum, S. freycinetianum, and S. paniculatum, the Hawaiian sandalwood (ʻiliahi), were also used and considered high quality.
Interpreting Mesopotamian cuneiform texts is a challenge, especially when looking for something as specific as a species of plant being used to treat a recognisable condition. Some 5,000 medical prescriptions have been identified from Babylonian writings of the 7th to 3rd centuries BC, involving 1,300 drugs from 340 different plants.
This is an accepted version of this page This is the latest accepted revision, reviewed on 1 February 2025. U.S. state This article is about the U.S. state. For other uses, see Arizona (disambiguation). State in the United States Arizona State Flag Seal Nicknames: The Grand Canyon State; The Copper State; The Valentine State Motto: Ditat Deus ('God enriches') Anthem: "The Arizona March Song ...
Flow through a large penstock such as used at a hydroelectric power plant can be measured by averaging the flow velocity over the entire area. Propeller-type current meters (similar to the purely mechanical Ekman current meter , but now with electronic data acquisition) can be traversed over the area of the penstock and velocities averaged to ...
The Will o' the Wisp and the Snake by Hermann Hendrich (1854–1931). In folklore, a will-o'-the-wisp, will-o'-wisp, or ignis fatuus (Latin for 'foolish flame'; [1] pl. ignes fatui), is an atmospheric ghost light seen by travellers at night, especially over bogs, swamps or marshes.
Wildfire near Yosemite National Park, United States, in 2013. The Rim Fire burned more than 250,000 acres (1,000 km 2 ) of forest. The health effects of wildfire smoke, such as worsening cardiovascular and respiratory conditions, extend beyond immediate exposure, contributing to nearly 16,000 annual deaths, a number expected to rise to 30,000 ...