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- the 1880s to 1930s. When field emission is used without qualifiers it typically means "cold emission". Field emission in pure metals occurs in high electric...125 KB (16,087 words) - 09:14, 8 February 2024
- Quantum tunnelling (section Cold emission)flash memory. Cold emission of electrons is relevant to semiconductors and superconductor physics. It is similar to thermionic emission, where electrons...49 KB (6,247 words) - 15:23, 25 May 2024
of electric field generation (DC or RF), by emission mechanism (thermionic, photocathode, cold emission, plasmas source), by focusing (pure electrostatic...6 KB (705 words) - 07:17, 2 May 2024
the gas. A cold-cathode vacuum tube does not rely on external heating of an electrode to provide thermionic emission of electrons. Early cold-cathode devices...12 KB (1,507 words) - 13:03, 14 November 2023
S.; Lynn, K.G. (1989), "Upper limits on neutron and big gamma-ray emission from cold fusion", Nature, 340 (6228): 29–34, Bibcode:1989Natur.340...29G, doi:10...144 KB (15,980 words) - 11:45, 17 May 2024
The Cold War was a period of geopolitical tension between the United States and the Soviet Union and their respective allies, the Western Bloc and the...314 KB (34,621 words) - 01:14, 3 June 2024
The emissivity of the surface of a material is its effectiveness in emitting energy as thermal radiation. Thermal radiation is electromagnetic radiation...40 KB (4,202 words) - 11:26, 1 May 2024
The European emission standards are vehicle emission standards for pollution from the use of new land surface vehicles sold in the European Union and...83 KB (6,941 words) - 13:03, 2 June 2024
Exhaust gas (redirect from Car tailpipe emission)the amount of emissions can be very high. This occurs for two main reasons: Rich air-fuel ratio requirement in cold engines: When a cold engine is started...29 KB (2,989 words) - 19:37, 30 April 2024
electron emission specifically refers to emission of electrons and occurs when thermal energy overcomes the material's work function. After emission, an opposite...31 KB (3,461 words) - 20:56, 3 June 2024
gradient at the emitter surface to cause field electron emission. Emitters are either of cold-cathode type, usually made of single crystal tungsten sharpened...3 KB (250 words) - 20:28, 17 March 2024
air-injection system, which greatly decreases catalyst light-off time and cold emissions. Rod Length: 153 mm (approximately 6.024 in) Rod/stroke ratio: approximately...9 KB (1,068 words) - 14:57, 15 November 2023- Vehicle emissions control is the study of reducing the emissions produced by motor vehicles, especially internal combustion engines. The primary emissions studied...28 KB (3,622 words) - 20:29, 22 May 2024
object is emitting "cold light", in contrast to "incandescence", where an object only emits light after heating. Generally, the emission of light is due to...8 KB (828 words) - 18:09, 17 May 2024- "Unified approach of alpha-decay, heavy ion emission and cold fission", Chapter 7 of thed book Particle Emission from Nuclei, Vol. III: Fission and Beta-Delayed...5 KB (633 words) - 11:24, 15 May 2024
Greenhouse gas (GHG) emissions from human activities intensify the greenhouse effect. This contributes to climate change. Carbon dioxide (CO2), from burning...147 KB (16,207 words) - 14:03, 23 May 2024
Maser (redirect from Microwave amplification by stimulated emission of radiation)through amplification by stimulated emission. The term is an acronym for microwave amplification by stimulated emission of radiation. First suggested by...19 KB (2,222 words) - 01:34, 19 April 2024
electron emission sources, such as heated W/ZrO2 for lower energy spread and enhanced brightness. Thermal field emission sources are preferred over cold emission...38 KB (4,735 words) - 04:01, 12 May 2024- Bharat stage emission standards (BSES) are emission standards instituted by the Government of India to regulate the output of air pollutants from compression...48 KB (4,235 words) - 14:06, 7 March 2024
