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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
are preserved when
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "are preserved when" is correct and usable in written English.
It can be used to indicate that certain conditions or states remain intact under specific circumstances. Example: "The original documents are preserved when they are stored in a climate-controlled environment."
✓ Grammatically correct
Science
Academia
News & Media
Alternative expressions(1)
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
25 human-written examples
These orderings are preserved when the sound data are written to a disk file.
Academia
We have also shown that these associations are preserved when samples with non-silent mutations in the TSG are removed.
Science & Research
Importantly, both CBE and CBE + 1 resonances are preserved when probes are separated by a single reconstruction row.
Science & Research
And all the cells include the source information as part of the outline cells — which are preserved when you copy these cells into an outline for another paper.
Academia
Topology is concerned in particular with the properties of shape that are preserved when an object is squeezed, stretched and pummelled, but not torn.
News & Media
It is understood that the authentic values and cultural persistence are preserved when the functions not forced the original design, comfort level and construction techniques of the houses.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
35 human-written examples
A trailing '/' is preserved when expanding a stack.
Academia
We also reveal that the half-metallicity can be preserved when the Coulomb interactions are considered.
It is not known if this relationship is preserved when HbA1c is measured by routine laboratory methods under routine conditions.
Science
Much of the onetime schoolhouse's exterior was preserved when it was renovated as a restaurant and four-suite hotel.
News & Media
Rhynie fossils were preserved when mineral sediments settled around and on top of the organic matter and compressed them.
Expert writing Tips
Best practice
Use "are preserved when" to emphasize the importance of maintaining certain properties or characteristics under specific circumstances.
Common error
Avoid using "are preserved when" in overly complex sentences where simpler constructions would improve clarity. Sometimes, breaking down the sentence or rephrasing can make the meaning more accessible.
Source & Trust
88%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "are preserved when" functions as a connector within a sentence, typically introducing a dependent clause that specifies the conditions under which certain attributes or states remain unchanged. Ludwig's examples confirm this usage, showing it effectively links conditions to outcomes.
Frequent in
Science
64%
Academia
16%
News & Media
20%
Less common in
Formal & Business
0%
Encyclopedias
0%
Social Media
0%
Ludwig's WRAP-UP
In summary, the phrase "are preserved when" is a versatile linguistic tool employed to indicate the circumstances under which particular states or attributes remain unchanged. As noted by Ludwig, its grammatical correctness and broad applicability across various domains, including science, academia, and news media, make it a valuable asset in conveying conditional preservation. The phrase functions as a connector within sentences, emphasizing the importance of specific conditions. While it maintains a neutral to formal register, clarity and conciseness should guide its usage in complex sentences. Remember to use this expression to call attention to how you intend to keep certain properties or characteristics intact under specific situations.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
remain intact under
Focuses on the intact state of something under specific conditions.
are maintained if
Highlights the conditional maintenance of a state or property.
are conserved during
Emphasizes conservation of something during a process or event.
are retained as
Highlights the retention of something in a specific form.
stay constant while
Focuses on the unchanging nature of something during a period or event.
are kept unchanged if
Highlights that something remains the same under a given condition.
persist as long as
Indicates the continuation of something dependent on certain conditions.
survive provided that
Emphasizes survival under specific provisions or conditions.
endure while
Focuses on the ability of something to last or withstand under certain circumstances.
hold true if
Highlights the condition under which something remains valid.
FAQs
How to use "are preserved when" in a sentence?
Use "are preserved when" to indicate that certain qualities or conditions remain unchanged under specific circumstances. For example, "The original flavors "are preserved when" the dish is cooked at a low temperature".
What can I say instead of "are preserved when"?
You can use alternatives like "remain intact under", "are maintained if", or "are conserved during" depending on the context.
Which is correct, "are preserved when" or "is preserved when"?
"Are preserved when" is used with plural subjects, while "is preserved when" is used with singular subjects. For example, "The documents are preserved when stored properly" (plural) vs. "The artifact is preserved when kept in a case" (singular).
What's the difference between "are preserved when" and "are maintained when"?
While both indicate that something remains in a certain state, ""are preserved when"" often implies protecting something from degradation, whereas "are maintained when" suggests ongoing effort to keep something in good condition.
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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
88%
Authority and reliability
4.6/5
Expert rating
Real-world application tested