was ascertained at

USAGE SUMMARY

The phrase "was ascertained at" is correct and usable in written English.
It can be used when indicating the time or place where something was determined or discovered. Example: "The cause of the malfunction was ascertained at the last maintenance check."

✓ Grammatically correct

Science

Human-verified examples from authoritative sources

Exact Expressions

38 human-written examples

The number of surviving animals was ascertained at the end of the experiment.

International Aquatic Research

According to the calculation, the supply rate of enriched oxygen was ascertained at 5 m3/h, which was in agreement with experimental observations.

International Journal of Coal Science & Technology

Patient treatment history was ascertained at the health facility using a standardized questionnaire recommended by WHO [9].

Plosone

A replication cohort of 325 probands affected with congenital heart disease was ascertained at Vanderbilt University Medical Center via therapeutic clinical trials of oral [29] or intravenous citrulline [30] for prevention of pulmonary hypertension.

Plosone

The cells were treated with either 1,25D3 (100 nM), 17β-estradiol (10 nM) or tamoxifen (1 µM) for 4 and 7 days and subjected to the crystal violet assay and Absorbance was ascertained at 570 nM as previously described [15].

Plosone

Maternal age (years) was ascertained at enrollment.

Environmental Health Perspectives

Human-verified similar examples from authoritative sources

Similar Expressions

22 human-written examples

The number of lives lost so far as can be ascertained at present is 16.

The New York Times

Music preferences were ascertained at the outset of the study.

Sports Medicine - Open

The latter were classified as "long-term" if they were ascertained at least 6 months after birth.

The Journal of Pediatrics

How well the interpretative information along the guided trails in the forest or at the education center is described could not be ascertained at this time.

Evolution: Education and Outreach

Posttraumatic stress and quality of life should be ascertained at regular intervals starting at ICU admission and being followed up at least 6 months post-ICU.

Annals of Intensive Care

Expert writing Tips

Best practice

When using "was ascertained at", ensure the context clearly specifies the location, time, or method by which the information was determined. For instance, "The patient's condition was ascertained at the initial examination."

Common error

Avoid using "was ascertained at" when an active voice construction would be more direct and clear. For example, instead of "The error was ascertained at the review," consider "The reviewers ascertained the error during the review."

Linguistic Context

The phrase "was ascertained at" functions as a passive construction indicating the point in time or location where something was determined or established. Ludwig confirms its usability in written English.

Expression frequency: Rare

Frequent in

Science

80%

News & Media

10%

Formal & Business

10%

Less common in

Encyclopedias

0%

Wiki

0%

Reference

0%

Ludwig's WRAP-UP

In summary, "was ascertained at" is a grammatically correct passive construction used to indicate where or when something was determined, typically in formal contexts. According to Ludwig, this phrase is usable in written English, although it is relatively rare. Its primary function is to report findings in scientific and formal settings. While the phrase is correct, writers should consider whether active voice would improve clarity. Common alternatives include "was determined at" or "was established at". The phrase is most frequently found in scientific literature.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

was determined at

Replaces "ascertained" with "determined", offering a more common synonym while keeping the original structure.

was established at

Substitutes "ascertained" with "established", emphasizing the act of firmly setting or proving something at a specific time or place.

was identified at

Replaces "ascertained" with "identified", focusing on the discovery or recognition of something at a particular point.

was discovered at

Uses "discovered" instead of "ascertained", highlighting the finding of new information at a specific location or time.

was confirmed at

Employs "confirmed" in place of "ascertained", stressing the validation or verification of something at a specific point.

was verified at

Replaces "ascertained" with "verified", indicating that something was checked and proven to be true at a certain moment.

was learned at

Uses "learned" instead of "ascertained", suggesting the acquisition of knowledge at a specific place or time.

was found at

Substitutes "ascertained" with "found", focusing on the act of locating or discovering something at a particular point.

was detected at

Replaces "ascertained" with "detected", emphasizing the discovery of something that may not have been obvious.

was recognized at

Uses "recognized" instead of "ascertained", highlighting the acknowledgement or identification of something at a particular time or place.

FAQs

How can I use "was ascertained at" in a sentence?

Use "was ascertained at" to indicate the time, place, or method something was determined or discovered. For instance, "The level of damage "was ascertained at" the site of the incident".

What phrases are similar to "was ascertained at"?

Similar phrases include "was determined at", "was established at", or "was identified at". These alternatives offer different shades of meaning depending on the context.

Is it better to use active or passive voice with "was ascertained at"?

While "was ascertained at" is grammatically correct in passive voice, consider using active voice for clarity and directness. For example, instead of "The results "were ascertained at" the lab", use "Researchers ascertained the results at the lab".

What is the level of formality of "was ascertained at"?

"Was ascertained at" is relatively formal and is often used in scientific, academic, or professional contexts. For more informal settings, consider using simpler alternatives like "was found at" or "was discovered at".