natural periods
1Natural gas storage — Natural gas, like many other commodities, can be stored for an indefinite period of time in natural gas storage facilities for later consumption. Contents 1 Usage 2 Measures and definitions 3 Types 3.1 …
2Natural language processing — (NLP) is a field of computer science and linguistics concerned with the interactions between computers and human (natural) languages; it began as a branch of artificial intelligence.[1] In theory, natural language processing is a very attractive… …
3Natural gas prices — at the Henry Hub in US Dollars per MBtu for the 2000 2010 decade. Natural gas prices, as with other commodity prices, are mainly driven by supply and demand fundamentals. However, natural gas prices may also be linked to the price of crude oil… …
4Natural Steps, Arkansas — Natural Steps   Census designated place   …
5Natural Bridges National Monument — IUCN Category III (Natural Monument) Owachomo Natural Bridge …
6Natural fertility — method of birth control is a concept developed by French historical demographer Louis Henry to refer to the level of fertility that would prevail in a population that makes no conscious effort to limit, regulate, or control fertility, so that… …
7Natural remanent magnetization — (NRM) is the permanent magnetism of a rock or sediment. In some forms, it can preserve a record of the Earth s field and the tectonic movement of the rock over millions of years. Natural remanent magnetization forms the basis of paleomagnetism… …
8Natural environment — This article is about the environment. For other uses, see Environment (disambiguation). See also: Nature Land management policies have been developed to preserve the natural characteristics of Hopetoun Falls, Australia while allowing ample… …
9Natural selection — For other uses, see Natural Selection (disambiguation). Part of a series on Evolutionary Biology …
10Natural family planning — This article is about methods of family planning approved by the Catholic Church. For a more general use of the term, see fertility awareness. Natural family planning Background Birth control type behavioral First use Ancient: calendar, LAM mid… …
