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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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are kept constant

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "are kept constant" is correct and usable in written English.
It can be used in contexts where you want to indicate that certain variables or conditions remain unchanged over a period of time or during an experiment. Example: "In this experiment, the temperature and pressure are kept constant to ensure accurate results."

✓ Grammatically correct

Science

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

Normally, the parameters of the cuckoo search are kept constant.

The argon flow and the sputtering power are kept constant.

In all scenarios, wastewater treatment rates are kept constant at their current levels.

Science & Research

Nature

The thickness of work material and dia. of wire are kept constant.

Laminate thickness, material system, manufacturing process, and test methodology are kept constant throughout the study.

In the second phase, boundary conditions are kept constant to dissipate the excess water pressure.

Some target parameters like electrical power are kept constant and some others may have changes in DP adaption algorithm.

To date this can be achieved best through bacterial production in continuous culture where growth conditions are kept constant (chemostat).

Flow rates of MMS and H2 are kept constant, resulting in a two factorial DoE approach of 16 experiments.

The field of heliostats, molten-salt receiver and the power-block (110 MWe) designs are kept constant throughout the paper.

Science

Energy

Traditionally, the chamber pressure and shelf temperature are kept constant during primary drying, leading to less optimal process conditions.

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Expert writing Tips

Best practice

When using "are kept constant" in scientific writing, clearly specify which variables are being held constant and the reason for doing so. This ensures transparency and reproducibility of your results.

Common error

Avoid using "are kept constant" without explicitly stating what is being kept constant. Ambiguity can confuse readers and undermine the clarity of your writing.

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

85%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "are kept constant" functions as a passive verb phrase, indicating that specific parameters or conditions are being maintained at a stable, unchanging level. As supported by Ludwig's AI.

Expression frequency: Very common

Frequent in

Science

98%

News & Media

1%

Formal & Business

1%

Less common in

Academia

0%

Encyclopedias

0%

Wiki

0%

Ludwig's WRAP-UP

In summary, the phrase "are kept constant" is a grammatically sound and frequently employed term, particularly within scientific and academic writing. As Ludwig's AI confirms, its purpose is to denote the maintenance of specific conditions or parameters at a stable level. While generally formal in tone, it can be replaced by alternatives like "remain constant" or "stay constant". It's crucial to use the phrase with clear context, specifying precisely what is being held constant to avoid ambiguity.

FAQs

How do I use "are kept constant" in a sentence?

Use "are kept constant" to indicate that certain parameters or conditions remain unchanged throughout a process, experiment, or analysis. For example, "In this experiment, the temperature and pressure "are kept constant"."

What can I say instead of "are kept constant"?

You can use alternatives like "remain constant", "stay constant", or "are maintained" depending on the context.

Which is correct, "are kept constant" or "is kept constant"?

"Are kept constant" is used for plural subjects, while "is kept constant" is for singular subjects. For instance, "The temperature and pressure are kept constant," but "The temperature is kept constant."

What's the difference between "are kept constant" and "are assumed constant"?

"Are kept constant" implies an active effort to maintain a stable condition, while "are assumed constant" means that a variable is treated as unchanging for the purposes of simplification, even if it may fluctuate slightly in reality.

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Most frequent sentences: