Emission (851 bytes)
1: The word '''emission''' generally means sending something out. It can ...
3: *In [[chemistry]] emissions are the products of a [[reaction]], either [[che...
4: *In [[physics]] and [[physical chemistry]] emissions are outputs of [[electromagnetic radiation]] or ...
5: ...ing]], [[Automobile emissions control|automobile emissions control]],[[greenhouse gas]] and [[pollution]].
9: [[de:Emission]] [[nl:emissie]]

Zero emission (679 bytes)
1: ...ng, is a displaced-emission powerplant. True zero-emission power includes [[solar power]], [[wind power]], [...

Neutron emission (431 bytes)
3: '''Neutron emission''' is a type of radioactive decay in which a [[ne...

Proton emission (1965 bytes)
4: ...'s law|Coulomb]] barrier in a finite time. Proton emission is not seen in naturally-occurring isotopes; prot...
7: ...d to exhibit proton emission. The study of proton emission has aided the understanding of nuclear deformatio...
10: In [[2002]], the simultaneous emission of two protons was observed from the nucleus [[Ir...

Positron emission (704 bytes)
3: '''Positron emission''' is a type of beta decay, referred to as "beta ...
9: These isotopes are used in [[positron emission tomography]].

Field emission (1565 bytes)
1: ...so that higher aspect ratios produce higher field emission currents. The current density produced by a give...
3: ...ctron microscopy]], [[MEMS]] systems, and [[field emission display]]s.
5: ...]]. Some disadvantages include lower current per emission source and, often, lower overall current density.
7: ...y can be used; by contrast, the function of field emission devices is effectively instantaneous, allowing sw...

Emission spectrum (1109 bytes)
1: A material's '''emission spectrum''' is the amount of [[electromagnetic ra...
3: The term often refers to the [[visible light]] emission spectrum, although it extends to the whole [[elec...
5: The emission spectrum can be used to determinate the compositi...
7: Interestingly, the emission spectrum of an element is the exact opposite of i...
9: [[image:Emission_spectrum-Fe.png|none|frame|Emission spectrum of [[Iron]]]]

Secondary emission (1968 bytes)
1: Secondary emission is a phenomenon that occurs in electron tubes whe...
3: ...e electron stream sufficiently to cause secondary emission at the [[anode]] ([[plate]]). This can give rise...

Emission standard (6266 bytes)
1: ...nd small equipment such as [[lawn mower]]s. Many emissions standards focus on regulating the amount of mate...
3: ...ng can reduce emissions. Reducing carbon dioxide emissions can be accomplished by reformulating fuels and b...
7: ...es sold in the United States must meet "[[Tier 1 (emission standard)|Tier 1]]" standards that went into effe...
11: *[[TLEV]] – Transitional Low Emission Vehicle
12: *[[LEV]] – Low Emission Vehicle

Spurious emission (348 bytes)
1: ...s assigned channel would be considered a spurious emission.

Stimulated emission (5452 bytes)
1: ...e]] and [[frequency]] as the original. Stimulated emission is really a [[quantum mechanics | quantum mechani...
3: ... into specific [[energy level]]s. This leads to [[emission line]]s and [[Spectral line | absorption line]]s
5: ... "timeout" it is said to be due to "[[spontaneous emission]]." The [[phase]] associated with the photon tha...
7: ...s the other photons. This is known as stimulated emission.
9: Stimulated emission can be modelled mathematically by considering an ...

Spontaneous emission (4011 bytes)
1: In [[optics]], '''spontaneous emission''' is the process by which [[matter]] may lose [[...
3: A simple model of spontaneous emission consists of an [[atom]] which may be in two [[ele...
9: ...propagates in. This is not true for [[stimulated emission]].
14: Before emission After emission
27: ... given by ''N'', the rate at which '''spontaneous emission''' occurs is given by:

Otoacoustic emission (621 bytes)
1: ...intermediary frequency). Analysis of otoacoustic emissions can be used to diagnose diseases or damage of th...

Nocturnal emission (1694 bytes)
1: A '''nocturnal emission''' is an [[ejaculation]] of [[semen]] experienced...
3: ...e others will sleep through the event. Nocturnal emissions typically do not have as high a volume of semen ...
5: ...very little or not at all have the most nocturnal emissions.
7: ...y terminates an erection, in the case of noctural emission, the subject often still has a functional erectio...
9: Sometimes, before a male's first true nocturnal emission, there will be a series of erotic dreams of incr...

Emission nebula (2235 bytes)
1: ...t [[star]]. Among the several different types of emission nebula are [[H II region]]s, in which star format...
3: ...p.750pix.jpg|thumb|Part of the [[Cone Nebula|Cone Emission Nebula]] is captured in this view from the [[Hubb...
9: ..., astronomers deduce their chemical content. Most emission nebulae are about 90% hydrogen, with the remainde...
11: Some of the most beautiful emission nebulae visible from the [[northern hemisphere]] ...
13: ...of dust which block the light. The combination of emission nebula and dust cloud make for some interesting l...

Thermionic emission (4649 bytes)
1: ...s always present at temperatures above [[absolute zero]]. The science dealing with this phenomenon is '...
7: ...chardson|Owen Richardson]] worked with thermionic emission and received a [[Nobel prize]] in 1928 "for his w...
22: The thermionic emission equations are important in [[semiconductor]] desi...
30: ... term is occasionally used to refer to thermionic emission itself).
45: ...s really work] - Has a good section on thermionic emission, with equations

Single-sideband emission (388 bytes)
1: '''Single-sideband emission''' is a form of [[Amplitude modulation]] in which...

Field emission display (656 bytes)
1: ...tory electrons through a process known as [[field emission]]. A similar technology to be commercialized in ...

Tropospheric Emission Spectrometer (757 bytes)
1: '''Tropospheric Emission Spectrometer''' or '''TES''' is a satellite instr...

Thermal emission spectrometer (463 bytes)
1: The '''Thermal Emission Spectrometer''' is a type of passive [[spectromet...
3: Thermal emission spectrometers have been used in the [[Mars Observ...

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