specific cycle turn
11Marie de' Medici cycle — The Marie de Medici Cycle is a series of twenty four paintings by Peter Paul Rubens commissioned by Marie de Medici, wife of Henry IV of France, for the Luxembourg Palace in Paris. Rubens received the commission in the autumn of 1621. After… …
12Variable Specific Impulse Magnetoplasma Rocket — Artist s impression of several VASIMR engines propelling a craft through space The Variable Specific Impulse Magnetoplasma Rocket (VASIMR) is an electro magnetic thruster for spacecraft propulsion. It uses radio waves to ionize and heat a… …
13Menstrual cycle — See also: Menstruation and Menstruation (mammal) The menstrual cycle is the scientific term for the physiological changes that can occur in fertile women. This article focuses on the human menstrual cycle. The menstrual cycle, under the… …
14Real Business Cycle Theory — (or RBC Theory) is a class of macroeconomic models in which business cycle fluctuations to a large extent can be accounted for by real (in contrast to nominal) shocks. (The four primary economic fluctuations are secular (trend), business cycle,… …
15Atkinson cycle — Thermodynamics …
16New Zealand Cycle Trail — Logo of the Cycle Trail branding …
17Tidewater glacier cycle — The tidewater glacier cycle is the typically centuries long behavior of tidewater glaciers that consists of recurring periods of advance alternating with rapid retreat and punctuated by periods of stability. During portions of its cycle, a… …
18Human impacts on the nitrogen cycle — Agricultural and industrial nitrogen (N) inputs to the environment currently exceed inputs from natural N fixation (Galloway 2003). As a consequence of anthropogenic inputs, the global nitrogen cycle (Fig. 1) has been significantly altered over… …
19nitrogen cycle — the continuous sequence of events by which atmospheric nitrogen and nitrogenous compounds in the soil are converted, as by nitrification and nitrogen fixation, into substances that can be utilized by green plants, the substances returning to the… …
20Liquid air cycle engine — A liquid air cycle engine (LACE) is a spacecraft propulsion engine that attempts to gain efficiency by gathering part of its oxidizer from the atmosphere. In a LOX/LH2 bipropellant rocket the liquid oxygen needed for combustion is the majority of …
