they were extracted

USAGE SUMMARY

The phrase "they were extracted" is correct and usable in written English.
You can use it when referring to items, data, or substances that have been removed or taken out from a source. Example: "The samples were collected from the site, and they were extracted for further analysis in the laboratory."

✓ Grammatically correct

Science

News & Media

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

As the optimized procedure, 0.5 g of dried and sieved soil samples were mixed with 2.0 g of 10%C188 in silica (w/w) as dispersant and after transferring into the extraction tube they were extracted with 8 mL of dichloromethane-n-hexane (1 1, v/v).

Talanta

They were extracted three times (24 hrs for each extraction) by the mixture EtOH/H2O (7 : 3 v/v) acidified with formic acid to pH 3; the ratio matrix/solvent was 1 g fresh weight/10���mL.

BioMed Research International

They were extracted from real tomography reconstructions.

Advances in Water Resources

Annabel Crabb and David Marr both have books coming out on Turnbull and Shorten respectively and they were extracted in the Good Weekend.

The Guardian

String-drenched songs like "Berry Adams" sound like they were extracted from a time capsule buried in the mid-sixties, while the title track incorporates subtle electronic effects.

The New Yorker

The rock samples were cylindrical, and resembled sausages or giant pencil erasers, depending on the depths from which they were extracted.

The New Yorker

In order to investigate the nature of Al Fe intermetallic fibers, they were extracted from the aluminum-rich matrix by using a dissolution technique.

Materials Chemistry and Physics

The physical environment of the hospital where immature infants are immersed differs greatly from the uterine environment from which they were extracted prematurely.

Archives de Pédiatrie

But the convicted British bankers once dubbed the "NatWest Three" are now recanting their guilty pleas, claiming that they were extracted under duress by a flawed American justice system.

The Guardian - Business

For EDTA/perovskite and SnO2/perovskite samples, both the fast and slow decay lifetimes are very similar, and τ1 dominates the PL decay for both samples, indicating severe recombination before they were extracted.

Nature

They were extracted with 10 mL of HPLC-grade acetonitrile which was spiked with 900 μL of a 2.03 mM solution of 1,2,3,4-tetrachlorobenzene 1,2,3,4-tetrachlorobenzenen internal standard to account for losses in the extraction process (60–70% yield).

Nature

Expert writing Tips

Best practice

When using "they were extracted", ensure the context clearly indicates the source from which the items were taken to avoid ambiguity. For example, instead of saying "they were extracted", specify "the data were extracted from the database".

Common error

Avoid using "they were extracted" without specifying the original location or source. This can leave the reader unsure of where the items came from, reducing clarity. Instead of saying just "they were extracted", provide context, such as "the samples were extracted from the soil".

Linguistic Context

The phrase "they were extracted" functions as a passive voice construction, indicating that the subject (they) underwent the action of being extracted. Ludwig's examples show usage in varied scientific contexts, implying a formal register and a focus on procedures.

Expression frequency: Very common

Frequent in

Science

83%

News & Media

15%

Formal & Business

2%

Less common in

Encyclopedias

0%

Wiki

0%

Reference

0%

Ludwig's WRAP-UP

In summary, the phrase "they were extracted" is a grammatically correct passive voice construction, indicating that a subject underwent the action of being extracted from a source. According to Ludwig, its usage is very common, primarily within scientific and news contexts. To enhance clarity, it's important to specify the source from which the items were extracted. Ludwig AI confirms the phrase is both correct and usable, providing a wide range of examples showcasing its application across various domains.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

they were obtained

Replaces "extracted" with "obtained", focusing on the act of acquiring something.

they were removed

Replaces "extracted" with "removed", emphasizing the act of taking something away.

they were derived

Emphasizes the origin or source from which something comes, replacing "extracted" with "derived".

they were isolated

Focuses on separating something from its surroundings, rather than the act of taking it out.

they were taken out

A more informal alternative to "they were extracted", using a phrasal verb.

they were separated

Highlights the action of dividing something into distinct parts.

they were collected

Focuses on gathering items together, implying a different process than extraction.

they were harvested

Suggests a process of gathering a crop or resource, specific to agriculture or similar fields.

they were retrieved

Implies recovering something that was previously lost or hidden.

they were sourced

Focuses on the origin or supplier of something, rather than the extraction process itself.

FAQs

How to use "they were extracted" in a sentence?

Use "they were extracted" when referring to items, data, or substances that have been removed or taken out from a source. For example, "The samples were collected from the site, and "they were extracted" for further analysis in the laboratory."

What can I say instead of "they were extracted"?

You can use alternatives like "they were removed", "they were obtained", or "they were isolated" depending on the context.

Which is correct, "they were extracted" or "they were obtained"?

Both ""they were extracted"" and "they were obtained" are correct, but they have slightly different meanings. "Extracted" implies a process of taking something out, while "obtained" simply means acquired or received.

What's the difference between "they were extracted" and "they were collected"?

"They were extracted" implies a separation or removal from a source, while "they were collected" suggests a gathering or accumulation of items. The choice depends on whether you want to emphasize the removal process or the act of bringing things together.