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"concentration varied between" vs "concentration varied from"

Both phrases are correct, but they are used in slightly different contexts. 'Concentration varied between' is used when referring to a range or specific values, while 'concentration varied from' is used when indicating a starting point or a comparison between two different concentrations.

Last updated: April 01, 2024 • 518 views

"concentration varied between"

This phrase is correct and commonly used in English.

This phrase is used to indicate a range or specific values within which the concentration changed.
  • The serum concentrations varied among patients and did not correlate with the dose administered.
  • Evaluation of safety varied between trials with respect to mode of surveillance, definition of symptoms and time of follow-up.
  • The ability to quantify needs also varied between regions.
  • The profit-crediting percentage has varied between 47 % and 71 %.
  • The amount of aid granted varied between GBP 403 and GBP 7090 per beneficiary.
  • As a main result, the FSE indicate that the effects from using HTC on the field biodiversity varied between crops.
  • The market share of Japanese imports varied between 1,3 % and 5,2 % of the Union consumption.
  • The final pH varied between 6,1 and 7,5.
  • In 2005, the prices of sales outside the PPAs under assessment varied between 5,4 and 12,91 HUF/kWh.
  • Financial absorption was an important factor, but the criteria varied between Member States and were often wider subject to availability of robust data (see points 28 and 32).
  • This varied between 0,6 % in Malta and 2,5 % in Denmark.
  • For this debt accumulated in 2001-2, interest varied between 14 % and 31 % in the deferral period 2001-4.
  • The percentage of shares traded in that period varied between 0,01 % and 13,45 % of total shares per month.
  • In that review, it appears that the market prices for power plants sold in 2000 varied between NOK 1,64 and 1,77 per KWh of annual production capacity.
  • The rate of the aid varied between 0,12 % and 25 %.
  • The margin of undercutting as finally established varied between 21 % and 60 % depending on the exporter concerned.
  • This level is markedly lower than the one observed in the previous review where it varied between 4,3 % and 9,8 %.
  • Although the investigation into food products demonstrated that quality varied between EU Member States, this is unlikely to imply the existence of any effects detrimental to health.
  • In two recent cases, the SC has noted that the time required for obtaining such agreement varied between five months and a year.
  • For example, it would appear from the Commission's communication that the average fine imposed in member states for unauthorised fishing (code D5) varied between Euro 448 and Euro 45710.

Alternatives:

  • concentration ranged between
  • concentration fluctuated between

"concentration varied from"

This phrase is correct and commonly used in English.

This phrase is used to indicate a starting point or a comparison between two different concentrations.
  • The serum concentrations varied among patients and did not correlate with the dose administered.
  • The onset of the reactions varied from days to months.
  • The duty rates applicable to Chinese FPFAF varied from 14,1 % to 56,2 %.
  • The harshness of the criticism varied from region to region.
  • The time to onset of symptoms varied from one day to several months after starting treatment.
  • The time to onset of symptoms varied from one day to several months after starting treatment.
  • This indicator varied from 3% in Denmark to 6.5% in Portugal.
  • Commissions for placing financial index-linked bonds varied from 1 % to 2,5 % of the amount subscribed.
  • Andrew Beckett's performance on the job varied from competent... to, oftentimes, mediocre... to sometimes flagrantly incompetent.
  • At Harvard, we call them "concentrations"...
  • They call it a "concentration camp".
  • They're called "concentration camps".
  • For four reference companies in Axens's area of business, the proportion of turnover accounted for by R & D expenditure varied from 2,3 % to 10 % [48].
  • Prison suicide rates varied from an average of 10 per 10000 detainees to 19 in Belgium and 24 in France.
  • As at 1 January 2004 its level varied from EUR 121 per month in Latvia, through 498 in Portugal to 1403 in Luxembourg.
  • The penalty for the same offence in different Member States varied from EUR 500 to EUR 5000.
  • The loans varied from GBP 73000 to GBP 200000, with a total of GBP 698300.
  • The setup varied from time to time.
  • The reactions of the public to the threat of an AH1N1 flu epidemic have varied from one Member State to another, some being characterised by a full-blown panic provoked by alarmist reports.
  • The loan was paid to the beneficiary in several instalments, so the grace period varied from 2 years to zero.

Alternatives:

  • concentration changed from
  • concentration shifted from

Related Comparisons

varied events vs various events limit vs constrain doi:10.1029/2012GL053240 vs http://dx.doi.org/10.1029/2012GL053240

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