effective area of an orifice
51Hawker Hurricane — Hurricane Hurricane Mk I (R4118), which fought in the Battle of Britain Role Fighter …
52Bleeding — Infobox Disease Name = Bleeding Caption = DiseasesDB = ICD10 = ICD9 = ICD9|456.20 ICDO = OMIM = MedlinePlus = eMedicineSubj = eMedicineTopic = MeshID = Bleeding, technically known as hemorrhaging/haemorrhaging (see American and British spelling… …
53List of fictional diseases — This is an incomplete list, which may never be able to satisfy particular standards for completeness. You can help by expanding it with reliably sourced entries. This article is a list of fictional diseases nonexistent, named medical conditions… …
54Nutepelmen — (English) Нутэпэльмен (Russian)   Rural locality …
55metallurgy — metallurgic, metallurgical, adj. metallurgically, adv. metallurgist /met l err jist/ or, esp. Brit., /meuh tal euhr jist/, n. /met l err jee/ or, esp. Brit., /meuh tal euhr jee/, n. 1. the technique or science of working or heating metals so as… …
56Criminal Law (Temporary Provisions) Act (Singapore) — Criminal Law (Temporary Provisions) Act A police officer equipped with a firearm and handcuffs An Act to make temporary provisions for the maintenance of public order, the control of supplies by sea to Singapore, and the prevention of strikes and …
57List of sex positions — This list of sex positions includes descriptions of various forms of sexual intercourse and other sexual acts between people. Sexual acts are generally described by the positions the participants take in order to perform those acts. Alfred Kinsey …
58Aortic insufficiency — See also: mitral regurgitation and tricuspid insufficiency Aortic insufficiency Classification and external resources Micrograph of myxomatous degeneration – a cause of aortic insufficiency …
59XF-12 Rainbow — infobox Aircraft name = XF 12 Rainbow type = Strategic reconnaissance manufacturer = Republic Aviation caption = designer = Alexander Kartveli first flight = 4 February 1946 introduced = December 1945 retired = June 1952 produced = number built …
60human embryology — ▪ biology Introduction the process encompassing the period from the formation of an embryo, through the development of a fetus, to birth. The human body, like that of most animals, develops from a single cell produced by the union of… …
