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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
at proportion of
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "at proportion of" is not correct in standard written English.
You might be trying to express a relationship or ratio between two quantities, but the phrase is awkward and unclear. Example: "The costs increased at a proportion of 20% compared to last year."
⚠ May contain grammatical issues
Science
News & Media
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
2 human-written examples
An amount of 80 mg of crude extracts were dissolved in 0.016 g/mL ethanolic solution of PVP at proportion of 1 4 (crude extract:PVP, w/w), according to described by El-Arini and Leuenberger [36] with some slight modifications.
Significantly differentially expressed genes between disease and control groups were determined using the RankProd program [ 39] at proportion of false positive (pfp) < 0.01 based on log2 fold changes in gene expression over the controls.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
58 human-written examples
Methanol based fuels were blended with octane at proportions of 5, 10, and 15% by volume.
Science
mixture of peat and spent brewing grain at proportions of 0, 2 and 5 vol.
The optimized SNEDDS formulation consisting of Capryol PGMC Tween 20 Transcutol HP at proportions of 5 58.4 40 (w/w) was prepared and a comparison of the predicted values and experimental values was found to be in close agreement.
In the absence of underlying genetic biases, AFLPs should theoretically produce Mendelian segregation of alleles at proportions of 0.5, 0.75 or 1.0 [25], [25].
Science
After data cleaning, no recombinant variants were detected in the 10,000 template mixture while two recombinant variants were detected in the 100,000 template mixture at proportions of 0.22% and 0.18% of the total number of sequences, respectively.
Science
H460 cells were harvested and mixed with Matrigel at proportions of 1 1.
Science
In the present study, we successfully identified and isolated SP cells in all three HNSCC cell lines examined at proportions of 0.9 % to 10.2%%.
Science
Based on the estimated standard errors, our analysis was powered to detect an ancestral component present at a proportion of at least 2.5%. Figure 2: Ancestry analysis of the global data set.
Science & Research
As Shelter points out, rates of "possession" vary across the country: in certain areas, a higher proportion own their home rather than rent, so looking at the proportion of renters at risk of eviction makes more sense than looking at the proportion of the population in the same position.
News & Media
Expert writing Tips
Best practice
Avoid using the phrase "at proportion of" in formal writing. Opt for more standard alternatives like "in proportion to" or "at a ratio of" to ensure clarity and grammatical correctness.
Common error
A common mistake is using "at proportion of" when a more appropriate and grammatically sound option exists. Instead of saying "the mixture was prepared at proportion of 1:1", use "the mixture was prepared at a ratio of 1:1" or "the mixture was prepared in proportion 1:1".
Source & Trust
81%
Authority and reliability
2.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "at proportion of" functions as a prepositional phrase, attempting to relate two quantities or elements. However, according to Ludwig AI, the phrase is not considered correct in standard written English.
Frequent in
Science
50%
News & Media
50%
Formal & Business
0%
Less common in
Academia
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, the phrase "at proportion of" is generally considered grammatically incorrect in standard English. While it appears in some scientific and news sources, it is not a preferred construction. According to Ludwig AI, more appropriate alternatives like "in proportion to" or "at a ratio of" should be used to express quantitative relationships clearly and correctly. These alternatives ensure better clarity and adherence to standard grammatical conventions.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
in proportion to
This alternative provides a more grammatically correct and commonly used way to express a direct relationship or ratio.
at a ratio of
This specifies a precise numerical relationship between two or more quantities.
with a ratio of
Similar to "at a ratio of", this option emphasizes the existence of a defined ratio.
corresponding to a proportion of
This phrase introduces the idea that something aligns with a particular percentage or fraction of a whole.
representing a fraction of
Highlights that something constitutes a part of a larger whole, expressed as a fraction.
at a percentage of
This specifies the amount or degree of something in hundredths.
constituting a share of
Emphasizes the idea of a portion or allocation of something.
equivalent to a fraction of
Indicates that something is equal to a particular portion or segment.
at a level of
Describes a specific degree or extent of something, often used for quantifiable measures.
corresponding to
Specifies how values are related and depend on each other
FAQs
What are some alternatives to "at proportion of"?
Better alternatives include "in proportion to", "at a ratio of", or "corresponding to a proportion of", depending on the specific context.
Is "at proportion of" grammatically correct?
No, "at proportion of" is not considered grammatically correct in standard English. It's better to use phrases like "in proportion to" or "at a ratio of".
How can I use "in proportion to" in a sentence?
You can say, "The amount of water should be increased in proportion to the amount of flour used."
What's the difference between "at proportion of" and "at a ratio of"?
"At proportion of" is not standard English, and you should avoid it. Use "at a ratio of" to indicate a quantitative relationship between two amounts.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
81%
Authority and reliability
2.8/5
Expert rating
Real-world application tested