1) Catalyst 2) Chemical catalyst 3) Matter 4) Substance
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https://www.crosswordclues.com/clue/activator
[phosphor] In phosphors and scintillators, the activator is the element added as dopant to the crystal of the material to create desired type of nonhomogeneities. In luminescence, only a small fraction of atoms, called emission centers or luminescence centers, emit light. In inorganic phosphors, these inhomogeneities in the crystal structur...
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http://en.wikipedia.org/wiki/Activator_(phosphor)
protein that binds to an enhancer (or activator binding region) and activates transcription from nearby promoter.
Found on
http://en.wikipedia.org/wiki/Glossary_of_gene_expression_terms
impurity, or displaced atom, which increases the luminescence efficiency of a material to be used as a scintillating material
Found on
http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=394-30-02
One or more ingredients in a flux that create a wettable surface for solder, by removing oxides and possibly other contaminants when coming into contact with the metal on the parts to be soldered. These ingredients may or may not be corrosive at room temperature, but certainly must be active at elevated temperatures in order to perform their job p...
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http://www.encyclo.co.uk/local/20870
<biochemistry> A DNA-binding transcription metabolite that positively modulates an allosteric enzyme or regulates one or more genes by increasing the rate of transcription. ... (12 Mar 1998) ...
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http://www.encyclo.co.uk/local/20973
(ak´tĭ-va″tәr) a substance that makes another substance active or reactive, induces a chemical reaction, or combines with an enzyme to increase its catalytic activity. plasminogen activator any of a group of substances that activate plasminogen and convert it into p...
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http://www.encyclo.co.uk/local/21001
Particle in a fluorescent substance that causes the substance to glow when exposed to ultraviolet light.
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http://www.encyclo.co.uk/local/22291
A substance added to a pest control material that increases its toxicity and results in more effective control.
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http://www.encyclo.co.uk/visitor-contributions.php
Activators are additives to the compost pile which contain a nitrogen source or sugars. Their purpose is to increase microbial activity. Generally, adequate nitrogen organic waste is the only activator needed. If you have insufficient nitrogen, a substance like bonemeal may be added to encourage decomposition.
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http://www.encyclo.co.uk/visitor-contributions.php
Type: Term Pronunciation: ak′ti-vā-tōr Definitions: 1. A substance that renders another substance (a catalyst) active, or that accelerates a process or reaction. 2. The fragment produced by chemical cleavage of a proactivator, that induces the enzymic activity of another substance. 3. An apparatus for making substances radioactive (...
Found on
http://www.medilexicon.com/medicaldictionary.php?t=971
A solution used in rapid access processors to activate developing agents present in certain emulsions of photographic products.
Found on
http://www.rodsmith.org.uk/photographic%20glossary/rods%20photographic%20gl
[
n] - any agency bringing about activation
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http://www.webdictionary.co.uk/definition.php?query=activator
protein that increases the transcription of a gene in response to an external stimulus
Found on
https://courses.lumenlearning.com/microbiology/chapter/glossary/
A chemical added to a pesticide to increase its activity.
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https://www.encyclo.co.uk/local/20094
Substance that enhances the ability of a flux to remove oxides and other contaminants from surfaces being joined.
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https://www.encyclo.co.uk/local/20687
noun (biology) any agency bringing about activation; a molecule that increases the activity of an enzyme or a protein that increases the production of a gene product in DNA transcription
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https://www.encyclo.co.uk/local/20974
A chemical product that is added to hair bleach to speed up the action of the bleach without unnecessarily damaging the hair. Also referred to as booster, bleach boosters or bleach accelerators.
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https://www.encyclo.co.uk/local/22743
A chemical ingredient that is specifically added to hair bleach to speed up the action of the bleach without unnecessarily damaging the hair.
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https://www.goodsalonguide.com/community/hair-and-beauty-glossary
a person or thing that activates. · a catalyst. · any impurity in a mineral that causes luminescence. Cf. inhibitor (def. 3). · a removable appliance, usually of hard plastic, that is worn in the mouth instead of a fixed appliance to help align the teeth and improve the relationship of the lower jaw to the upper.
Found on
https://www.infoplease.com/dictionary/activator
No exact match found.
