compounding system
21Pythagoreans and Eleatics — Edward Hussey PYTHAGORAS AND THE EARLY PYTHAGOREANS Pythagoras, a native of Samos, emigrated to southern Italy around 520, and seems to have established himself in the city of Croton. There he founded a society of people sharing his beliefs and… …
22Steam engine — A steam engine is a heat engine that performs mechanical work using steam as its working fluid. [ [http://www.britannica.com/EBchecked/topic/564472/steam engine steam engine Britannica Online Encyclopedia ] ] Steam engines have a long history,… …
23Actuarial notation — 1. net single premium of insurance (benefit 1 unit) 2. paid at the moment of death 3. for x year old person, for n years 4. life insurance 5. deferred (m year) 6. with double force of interestActuarial notation is a shorthand method to allow… …
24Pharmacist — For the precursor profession, see Apothecary. The mortar and pestle is an international symbol of pharmacists and pharmacies. Pharmacists are allied health professionals who practice in pharmacy, the field of health sciences focusing on safe and… …
25Bioidentical hormone replacement therapy — (BHRT) is the use of supplemental doses of steroid hormones with a chemical structure identical to endogenous human hormones (hormones naturally produced in the human body). On 1/10/2008 the US Food and Drug Administration sent… …
26philosophy, Western — Introduction history of Western philosophy from its development among the ancient Greeks to the present. This article has three basic purposes: (1) to provide an overview of the history of philosophy in the West, (2) to relate… …
27Philosophiæ Naturalis Principia Mathematica —   Title page of Principia , first edition (1687) Original title …
28Uralic languages — Family of more than 30 languages spoken by some 25 million people in central and northern Eurasia. A primary division is between the Finno Ugric languages, which account for most of the languages and speakers, and the Samoyedic languages. The… …
29technology, history of — Introduction the development over time of systematic techniques for making and doing things. The term technology, a combination of the Greek technē, “art, craft,” with logos, “word, speech,” meant in Greece a discourse on the arts, both… …
30Nuklearkatastrophe von Fukushima — Satellitenfoto der Reaktorblöcke 1 bis 4 (von rechts nach links) am 16. März 2011 nach mehreren Explosionen und Bränden. Als Nuklearkatastrophe von Fukushima werden eine Reihe von katastrophalen Unfällen und schweren Störfällen im… …
