drive-in diffusion cycle
91Vacuum pump — A vacuum pump is a device that removes gas molecules from a sealed volume in order to leave behind a partial vacuum. The vacuum pump was invented in 1650 by Otto von Guericke. Types Pumps can be broadly categorized according to three… …
92Fuel efficiency — is a form of thermal efficiency, meaning the efficiency of a process that converts chemical potential energy contained in a carrier fuel into kinetic energy or work. Overall fuel efficiency may vary per device, which in turn may vary per… …
93South Africa — Republic of, a country in S Africa; member of the Commonwealth of Nations until 1961. 42,327,458; 472,000 sq. mi. (1,222,480 sq. km). Capitals: Pretoria and Cape Town. Formerly, Union of South Africa. * * * South Africa Introduction South Africa… …
94Theoretical ecology — Mathematical models developed in theoretical ecology predict complex food webs are less stable than simple webs.[1]:75–77[2]:64 …
95Sewage treatment — The objective of sewage treatment is to produce a disposable effluent without causing harm to the surrounding environment, and also prevent pollution.[1] Sewage treatment, or domestic wastewater treatment, is the process of removing contaminants… …
96skin — skinlike, adj. /skin/, n., v., skinned, skinning, adj. n. 1. the external covering or integument of an animal body, esp. when soft and flexible. 2. such an integument stripped from the body of an animal, esp. a small animal; pelt: a beaver skin.… …
97Ireland — This article is about the island. For the sovereign state of the same name, see Republic of Ireland. For the constituent country of the United Kingdom, see Northern Ireland. For other uses, see Ireland (disambiguation). Coordinates …
98Vishtaspa — Part of a series on Zoroastrianism Portal Primary topics Zoroas …
99Customer engagement — (CE) refers to the engagement of customers with one another, with a company or a brand. The initiative for engagement can be either consumer or company led and the medium of engagement can be on or offline. Unlike marketing terms such as… …
100Film contenant un film — Cet article porte sur les films de fiction – il exclut donc les documentaires – dans lesquels apparaissent des extraits d autres films, réels ou imaginaires. (NB : dans chaque paragraphe, les films sont classés chronologiquement) Sommaire 1… …
