direct energy
21energy conversion — ▪ technology Introduction the transformation of energy from forms provided by nature to forms that can be used by humans. Over the centuries a wide array of devices and systems has been developed for this purpose. Some of these energy …
22Energy Future Holdings — Coordinates: 32°46′59″N 96°47′57″W / 32.7831390°N 96.7991060°W / 32.7831390; 96.7991060 …
23Direct bonding — describes a wafer bonding process without any additional intermediate layers. The bonding process is based on chemical bonds between two surfaces of any material possible meeting numerous requirements.[1] These requirements are specified for the… …
24Direct methanol fuel cell — Direct methanol fuel cells or DMFCs are a subcategory of proton exchange fuel cells in which methanol is used as the fuel. Their main advantage is the ease of transport of methanol, an energy dense yet reasonably stable liquid at all… …
25Direct digital manufacturing — Direct digital manufacturing, sometimes called additive, rapid, direct, instant, or on demand manufacturing, is a manufacturing process which creates physical parts directly from 3D CAD files or data using computer controlled additive and… …
26Energy subsidies — are measures that keeps prices for consumers below market levels or for producers above market levels, or reduce costs for consumers and producers. Energy subsidies may be direct cash transfers to producers, consumers or related bodies, as well… …
27Direct reduced iron — (DRI), also called sponge iron,[1] is produced from direct reduction of iron ore (in the form of lumps, pellets or fines) by a reducing gas produced from natural gas or coal. The reducing gas is a mixture majority of hydrogen (H2) and carbon… …
28Direct lobbying in the United States — are direct methods used by lobbyists to influence United States legislative bodies. Interest groups from many sectors spend billions of dollars on lobbying. There are three lobbying laws in the U.S. They require that a lobbying entity must be… …
29Direct borohydride fuel cell — Direct borohydride fuel cells (DBFCs) are a subcategory of alkaline fuel cells which are directly fed by sodium borohydride or potassium borohydride as a fuel and either air/oxygen[1] or hydrogen peroxide[2] as the oxidant. DBFCs are relatively… …
30Direct-ethanol fuel cell — Direct ethanol fuel cells or DEFCs are a subcategory of Proton exchange fuel cells where the fuel, ethanol, is fed directly to the fuel cell. Contents 1 Advantages 2 Reaction 3 Issues 4 …
