acceptor


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acceptor

[ak′sep·tər]
(chemistry)
A chemical whose reaction rate with another chemical increases because the other substance undergoes another reaction.
A species that accepts electrons, protons, electron pairs, or molecules such as dyes.
(chemical engineering)
A calcined carbonate used to absorb the carbon dioxide evolved during a coal gasification process.
(solid-state physics)
An impurity element that increases the number of holes in a semiconductor crystal such as germanium or silicon; aluminum, gallium, and indium are examples. Also known as acceptor impurity; acceptor material.

acceptor

References in periodicals archive ?
Here [E.sub.D] and [E.sub.A] are donor and acceptor binding energies, respectively, [E.sub.g] is the gap energy and x is the bulk dielectric constant.
The samples were then rescanned using the spectrofluorometer, and the change in fluorescent emission by the donor and acceptor was observed and compared to the control fluorescent emissions by the donor and acceptor.
This research compared the demographic characteristics and perceptions of handbill acceptors and nonacceptors.
The invoice data remain in the database server, and depending on the invoice routing information applied by the vendors, can be viewed by the inspectors, acceptors, certifiers (a.k.a.
To find out choices and preferences of acceptors for particular contraceptive methods;
Dutta can access the energy stored in the ultimate acceptor, using it to perform such work as creating hydrogen or methane fuels.
The ionization energy of an acceptor with respect to VBM is calculated as follows [1,17]:
IK said in a press release it would combine Acceptor and Credence Trust with its portfolio company Vistra, providing fund administration, trust and corporate services in Europe, in a move to create a leader in the global trust and corporate services sector, with a staff of 500 employees.
When in close proximity (<100 A), the donor absorbs energy from the excitation source ([[lambda].sub.0]), nonradiatively transfers the energy to the acceptor, which in turn emits a fluorescent photon ([[lambda].sub.2]).
spare parts for jcm tbv-100 fsh bill acceptor (in request documents) 4 pcs.
In this work, we have fixed the unit donor (carbazole--thiophene bridged -base), change the n groups (Xi), and then add the acceptor chromophore.
'The calibration work will be conducted in Germany where the supplier of the coin acceptor unit used in the machines is based.