Glossary entry (derived from question below)
English term or phrase:
sentence
English answer:
2 things are used as air quality indicators:
Added to glossary by
Rajan Chopra
Jan 29, 2004 18:59
20 yrs ago
English term
India
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Native in: Hindi 
Works in: English to Hindi, Hindi to English
sentence
English
Science
Environment & Ecology
The number of ozone alert days is used as an indicator of air quality as are the amounts of seven pollutants including particulates, carbon monoxide, sulfur dioxide leand and volatile organic chemical.
I'll be thankful if you could explain the implied meaning of the sentence and the usage of *as are the amounts of* in this context. Thanks.
I'll be thankful if you could explain the implied meaning of the sentence and the usage of *as are the amounts of* in this context. Thanks.
Change log
Feb 9, 2006 23:47: Fuad Yahya changed "Field (specific)" from "(none)" to "Environment & Ecology"
Feb 9, 2006 23:47: Fuad Yahya changed "Level" from "Non-PRO" to "PRO"
Responses
19 mins
English term (edited):
as are the amounts of
Selected
2 things are used as air quality indicators:
"ozone alert" days are counted, this number is used to indicate the quality of the air ; another factor used to indicate the quality of the air is the level (usually expressed in percentages or proportions) present of CO2.....
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2 mins
Air quality indicators are:
1. The number of ozone alert days;
2. the amounts of seven pollutants including particulates, carbon monoxide, sulfur dioxide leand and volatile organic chemical.
2. the amounts of seven pollutants including particulates, carbon monoxide, sulfur dioxide leand and volatile organic chemical.
5 mins
Dolores Vázquez
Also a Technical Engineer
Native in: Galician 
, Spanish
Works in: English to Spanish, French to Spanish, German to Spanish, and 5 more.
Quantity of, the number of
The use of a plural noun after amount of should be avoided: a quantity of or the number of.
Reference:
15 mins
Please see sentence rewrites below
A simple rewrite of the sentence that might clarify the meaning is as follows:
The number of ozone alert days is used as an indicator of air quality AND SO are amounts of seven pollutants including particulates, carbon monoxide, sulfur dioxide leand and volatile organic chemical.
Another version:
Indicators of air quality are the number of ozone alert days, and the amounts of seven pollutants including particulates, carbon monoxide, sulfur dioxide leand and volatile organic chemical.
The number of ozone alert days is used as an indicator of air quality AND SO are amounts of seven pollutants including particulates, carbon monoxide, sulfur dioxide leand and volatile organic chemical.
Another version:
Indicators of air quality are the number of ozone alert days, and the amounts of seven pollutants including particulates, carbon monoxide, sulfur dioxide leand and volatile organic chemical.
Discussion