secondary grid emission
81Climate change feedback — See also: Avoiding dangerous climate change, Runaway climate change, and Abrupt climate change Climate change feedback is important in the understanding of global warming because feedback processes may amplify or diminish the effect of each… …
82Life-cycle assessment — Cradle to grave redirects here. For other uses, see Cradle to the Grave (disambiguation). A life cycle assessment (LCA, also known as life cycle analysis, ecobalance, and cradle to grave analysis)[1] is a technique to assess environmental impacts …
83computer — computerlike, adj. /keuhm pyooh teuhr/, n. 1. Also called processor. an electronic device designed to accept data, perform prescribed mathematical and logical operations at high speed, and display the results of these operations. Cf. analog… …
84Digital elevation model — 3D rendering of a DEM of Tithonium Chasma on Mars A digital elevation model is a digital model or 3 D representation of a terrain s surface commonly for a planet (including Earth), moon, or asteroid created from terrain elevation data. There is… …
85Adaptation to global warming — and climate change is a response to climate change that seeks to reduce the vulnerability of natural and human systems to climate change effects.[1] Even if emissions are stabilized relatively soon, climate change and its effects will last many… …
86pentode — /pen tohd/, n. Electronics. a vacuum tube having five electrodes, usually a plate, three grids, and a cathode, within the same envelope. [1915 20; PENT + ODE2] * * * ▪ electronics vacuum type electron tube with five electrodes. Besides the… …
87Efficient energy use — Energy efficiency redirects here. For energy efficiency as a ratio in physics, see Energy conversion efficiency. Efficient energy use, sometimes simply called energy efficiency, is using less energy to provide the same level of energy service. An …
88Optics — For the book by Sir Isaac Newton, see Opticks. Optical redirects here. For the musical artist, see Optical (artist). Optics includes study of dispersion of light. Optics is the branch of …
89Sapphire — For other uses, see Sapphire (disambiguation). Sapphire The 423 carat (85 g) blue Logan sapphire General Category Oxide mineral …
90Selectron tube — The Selectron was an early form of digital computer memory developed by Jan A. Rajchman and his group at the Radio Corporation of America under the direction of Vladimir Zworykin, of television technology fame. Development Development started in… …
