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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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at proportion of

Grammar usage guide and real-world examples

USAGE 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

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.

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.

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

Plosone

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

Plosone

H460 cells were harvested and mixed with Matrigel at proportions of 1 1.

Science

BMC Cancer

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

BMC Cancer

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

Nature

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

The Guardian
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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".

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

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.

Expression frequency: Rare

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.

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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Source & Trust

81%

Authority and reliability

2.8/5

Expert rating

Real-world application tested

Most frequent sentences: