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Justyna Jupowicz-Kozak quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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a fixed lifetime

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "a fixed lifetime" is correct and usable in written English.
It can be used to describe something that has a predetermined or unchanging duration of existence or functionality. Example: "The device is designed with a fixed lifetime, ensuring it will operate effectively for a specific number of years."

✓ Grammatically correct

Science

News & Media

Encyclopedias

Human-verified examples from authoritative sources

Exact Expressions

7 human-written examples

Each request has a fixed lifetime, so that it can be passed on only so many times before expiring.Gnutella, however, has its drawbacks.

News & Media

The Economist

They assumed that the product has a fixed lifetime and production rate is finite.

Pre-positioning of relief commodities in appropriate locations and quantities at a pre-disaster phase assists a disaster relief logistics network in order to efficiently distribute the commodities to demand points; however, a disaster may occur after a long time, and generally perishable commodities (e.g., medical commodities and packed milk) have a fixed lifetime for use.

So if the human life span could be stretched to 160 years, "then you are not going to lose your neurons, because your neurons do not have a fixed lifetime".

News & Media

Huffington Post

If we only consider the single crystal test structure the failure happens at the same location at a fixed lifetime for a given stress condition.

A fixed lifetime progression rate of 0.01 was used in the US study [ 25].

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Human-verified similar examples from authoritative sources

Similar Expressions

51 human-written examples

For each sample, the thermal diffusivity was measured at fixed lifetimes, and the evolution of the cracked fraction of the interface was estimated by adopting a two-dimensional inversion model.

Repeating the fitting process with two globally fixed lifetimes (τ1 = 4.2 ns & τ2 = 22.0 ns) leads to good fits of comparable quality for all three types of probes, as demonstrated by the FLIM map with different spots displayed in Fig. 3 d).

Another suggestion is that bees have a fixed limit to their lifetime flight time or energy expenditure [27], and maximizing efficiency would use this constraint most effectively [28].

Science

Plosone

Fortunately, however, we have recently observed that at 3 days post-fertilisation, zebrafish embryos are sufficiently transparent for the direct application of (FLIM) OPT. Figure 8 e shows a 3D fluorescence lifetime image of a fixed but uncleared transgenic (FLI GFP) zebrafish in which the vasculature is genetically labelled with EGFP.

He was the first laureate to serve a fixed, 10-year term; previous laureates had received a lifetime appointment.

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Expert writing Tips

Best practice

When discussing the lifespan of manufactured products or digital entities (e.g. software), use "a fixed lifetime" to clearly communicate a predetermined operational duration, ensuring transparency and managing expectations.

Common error

Avoid using "a fixed lifetime" when you mean something is permanent or intended to last indefinitely. "Fixed" implies a predetermined end, while "permanent" suggests no intended end. For truly lasting durations, prefer "permanent" or "long-lasting".

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

82%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "a fixed lifetime" functions as a noun phrase acting as a descriptor, typically modifying another noun. Ludwig AI indicates this phrase is correct and usable, indicating a grammatical function in various contexts.

Expression frequency: Uncommon

Frequent in

Science

60%

News & Media

30%

Encyclopedias

10%

Less common in

Formal & Business

0%

Wiki

0%

Reference

0%

Ludwig's WRAP-UP

In summary, "a fixed lifetime" is a grammatically correct phrase used to denote a predetermined duration or lifespan. While applicable across various contexts, it is most frequently found in scientific and news media sources. As Ludwig AI explains, this phrase is suitable for defining the operational period of objects or systems. When writing, remember to consider the subtle differences between "fixed" and "permanent", avoiding potential misinterpretations. Consider alternatives like "a set lifespan" or "a defined duration" to add variety and precision to your language.

FAQs

How can I use "a fixed lifetime" in a sentence?

You can use "a fixed lifetime" to describe something with a predetermined duration. For example, "The product has "a fixed lifetime" of five years before it needs replacement".

What's the difference between "a fixed lifetime" and "a limited lifespan"?

"A fixed lifetime" emphasizes that the duration is predetermined and unchanging. "A limited lifespan", while similar, simply highlights that the duration is not infinite or unlimited. They're largely interchangeable, but "a fixed lifetime" is more specific.

What are some alternatives to saying "a fixed lifetime"?

Alternatives include "a set lifespan", "a defined duration", or "a finite lifespan", depending on the specific nuance you want to convey.

Is "a fixed lifetime" appropriate for describing human lifespan?

While technically usable, "a fixed lifetime" is less commonly applied to human lifespans because human lifespans are not predetermined with certainty. It's more commonly used for inanimate objects or systems with designed lifecycles. Consider using "lifespan" or "life expectancy" instead.

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Source & Trust

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Real-world application tested

Most frequent sentences: