ozone-depleting chemical
collocation in Englishmeaningsofchemical
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chemical
noun[C]
uk/ˈkem.ɪ.kəl/us/ˈkem.ɪ.kəl/
any basic substance that is used in or produced by a reaction involving changes to atoms ...
See more atchemical
(Definition ofchemicalfrom theCambridge English Dictionary© Cambridge University Press)
Examplesofozone-depleting chemical
These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
Secondly, we cannot yet predict with confidence how the increasedozone-depletingchemicallevels will affect stratospheric ozone.
From the
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Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0
It has a tetrahedral shape and it is a recognizedozone-depletingchemical.
From
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It afforded a valuable opportunity for an exchange of views on the introduction of safe substitutes for ozone-depleting chemicals and their testing requirements.
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Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0
I have promoted protection of the ozone layer by specific policy measures relating to the recovery and recycling of ozone-depleting chemicals.
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Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0
Due attention is paid to the proper disposal of ozone-depleting chemicals.
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Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0
There must be a rapid withdrawal of the high ozone-depleting chemicals as quickly as possible.
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Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0
It is our policy to monitor the procurement of all ozone-depleting chemicals contained in articles to be supplied against contract.
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Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0
First, the concentrations of ozone-depleting chemicals in the stratosphere are bound to continue to rise for the next 10 years or so.
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This is being achieved by replaceing equipment which uses such substances with alternatives which do not contain ozone-depleting chemicals, as and when they are due for replacement.
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The amount of ozone-depleting chemicals used or purchased over the period specified has been significantly less than one tonne, as is the current stock of such chemicals.
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Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0
Controls on two other ozone-depleting chemicals—carbon tetrachloride and methyl chloroform—were also agreed.
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These show large quantities of ozone-depleting chemicals present in the stratosphere, and low concentrations of ozone have been observed over mid-latitudes of the northern hemisphere and in the tropics.
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Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0
As mentioned above, when such ozone-depleting chemicals reach the stratosphere, they are dissociated by ultraviolet light to release chlorine atoms.
From
Wikipedia
These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
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