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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
be concentrated under
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "be concentrated under" is not commonly used in written English and may sound awkward.
It could be used in contexts where you want to describe something that is focused or gathered in a specific area or under certain conditions, but it may require rephrasing for clarity. Example: "The resources should be concentrated under the main objectives of the project."
Science
News & Media
Academia
Alternative expressions(2)
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
4 human-written examples
To overcome this challenge, the overall responsibility for the customer journey should be concentrated under one authority, and the bank should dedicate adequate human and capital resources.
Academia
In this zone, the prevailing trade winds system make the highest water vapor content to be concentrated under this altitude.
Science
City services like an ice dispensary and a medical station would be concentrated under a temporary roof within the inhabited zone.
News & Media
Third, because RTIs may be concentrated under particular crash types, the number of RTIs in many cells of the matrix remains zero.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
56 human-written examples
Samples that were dilute (<50 ng μl−1) were concentrated under vacuum (Eppendorf concentrator 5301; Eppendorf, Hamburg, Germany).
Science
The mixture was concentrated under reduced pressure, and the concentrated material was resuspended in THF (11 mL).
Science
The filtrate was concentrated under reduced pressure.
Science & Research
The powdered leaves were extracted using solvents of increasing polarity and extracts were concentrated under Rotavap (SI methods).
Science & Research
The solvent was concentrated under vacuum, and the remaining solid was poured into 50 mL of diethyl ether and filtered.
Science & Research
After cleavage, the solvent was concentrated under reduced pressure and the remaining ~1 mL of solution was precipitated into an excess of cold diethyl ether.
Science & Research
Five hundred beeline kilometres from Reims, the chalk of a couple of the uppermost Cretaceous stages is concentrated under vineyards east and southeast of town.
News & Media
Expert writing Tips
Best practice
When using "be concentrated under", ensure the context clearly indicates a physical or abstract layering or focusing. For instance, specify what resources or responsibilities are being grouped or emphasized beneath a particular element.
Common error
Don't use "be concentrated under" if a simpler, more direct phrase like "be focused on" or "be gathered in" conveys the intended meaning more clearly. Overly complex phrasing can obscure your message.
Source & Trust
87%
Authority and reliability
3.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "be concentrated under" functions as a passive construction, indicating that something is being focused or gathered in a specific location or condition. Ludwig's examples show its use in describing the concentration of resources, services, or even properties.
Frequent in
Science
75%
News & Media
12%
Academia
13%
Less common in
Formal & Business
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
The phrase "be concentrated under" is a somewhat uncommon passive construction used to describe the focusing or gathering of something beneath a particular element. According to Ludwig, the phrase is grammatically acceptable but might sound awkward in some contexts, suggesting that rephrasing for clarity is sometimes advisable. Its primary usage is in scientific and formal contexts, as shown by Ludwig's examples, and it is less frequently found in more general or informal writing. When using the phrase, ensure clarity and consider whether simpler alternatives might better convey your intended meaning.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
be focused below
Replaces "concentrated under" with a focus and changes the spatial relationship to 'below'.
be centered beneath
Substitutes "concentrated" with "centered" and "under" with "beneath", implying a spatial arrangement.
be gathered underneath
Uses "gathered" instead of "concentrated" and "underneath" instead of "under", suggesting a collection in a lower position.
be clustered beneath
Replaces "concentrated" with "clustered", indicating a tight grouping below something else.
be grouped underneath
Uses "grouped" instead of "concentrated", suggesting an arrangement into sets below.
be localized below
Substitutes "concentrated" with "localized", indicating a specific location below.
be amassed underneath
Replaces "concentrated" with "amassed", implying a large accumulation underneath.
be collected beneath
Uses "collected" instead of "concentrated", signifying a gathering process underneath.
be situated underneath
Substitutes "concentrated" with "situated", indicating a location underneath.
be located below
Replaces "concentrated" with "located", simply indicating a position below.
FAQs
How can I use "be concentrated under" in a sentence?
You can use "be concentrated under" to describe something that is focused or gathered in a specific area or under certain conditions. For example, "City services would be concentrated under a temporary roof."
What are some alternatives to "be concentrated under"?
Depending on the context, you could use alternatives like "be focused on", "be gathered in", or "be clustered beneath".
Is "be concentrated under" grammatically correct?
While not incorrect, "be concentrated under" is an unusual phrasing. Ludwig indicates that it may sound awkward and recommends rephrasing for clarity in some cases.
When is it appropriate to use "be concentrated under"?
Use "be concentrated under" when you want to emphasize that something is specifically located or emphasized beneath another element, either physically or conceptually. Consider if simpler alternatives like "be localized below" or "be centered beneath" might be more suitable.
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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
87%
Authority and reliability
3.8/5
Expert rating
Real-world application tested