are ascertained by

USAGE SUMMARY

The phrase "are ascertained by" is correct and usable in written English.
It can be used when discussing how certain information or facts are determined or established through a specific process or method. Example: "The results of the experiment are ascertained by analyzing the data collected over several weeks."

✓ Grammatically correct

Science

Encyclopedias

News & Media

Human-verified examples from authoritative sources

Exact Expressions

12 human-written examples

The parameters of the controller are ascertained by using a genetic algorithm.

Engineering Science and Technology, an International Journal

Phylogenetic relationships are ascertained by means of several complementary sources of evidence.

Encyclopedia Britannica

Furthermore, the optimal positions of actuators are ascertained by singular value decomposition of the modal distributing matrix.

Finite Elements in Analysis and Design

The applicability, validity and accuracy of the present mathematical treatment are ascertained by performing various numerical tests and comparing the present results with the existing results.

Aerospace Science and Technology

The reliability and usefulness of the model are ascertained by comparison of the simulation results with matrix-type vaginal ring experimental release data reported in the literature.

Journal of Controlled Release

The failure mechanisms operative in a thermal barrier system with a NiCoCrAlY bond coat are ascertained by examining test specimens subjected to thermal cycling in a burner rig.

Acta Materialia

Human-verified similar examples from authoritative sources

Similar Expressions

48 human-written examples

Lipoperoxidation was ascertained by the formation of MDA.

European Journal of Obstetrics & Gynecology and Reproductive Biology

Students' learning approaches were ascertained by the Approaches and Study Skills Inventory for Students.

Procedia - Social and Behavioral Sciences

The extent of deterioration is ascertained by the vibration analysis.

Tribology and Interface Engineering Series

Those responsible for the firing could not be ascertained by the United Nations military observers.

The Guardian

The locations of electrode contacts were ascertained by post-implantation magnetic resonance imaging (MRI).

Nature

Expert writing Tips

Best practice

When using "are ascertained by", ensure that the method or process used for determination is clearly stated to avoid ambiguity. For example, specify the tools, techniques, or criteria involved in the ascertainment.

Common error

Avoid using "are ascertained by" without specifying how something is ascertained. Omitting the method can make the sentence unclear and leave the reader wondering about the basis of the determination.

Linguistic Context

The phrase "are ascertained by" functions as a passive construction indicating the method or process by which certain information is definitively established or determined. As Ludwig AI states, it is grammatically correct and usable in written English.

Expression frequency: Common

Frequent in

Science

76%

Encyclopedias

8%

News & Media

8%

Less common in

Formal & Business

0%

Social Media

0%

Wiki

0%

Ludwig's WRAP-UP

In summary, the phrase "are ascertained by" is a grammatically sound and commonly used construction for indicating how information is definitively established. Predominantly found in formal and scientific contexts, it emphasizes the methodology or process involved in validating data. Ludwig AI confirms its correctness and usability. When employing this phrase, clarity is key: always specify the how to prevent ambiguity. While similar to phrases like "are determined by", "are ascertained by" carries a more formal and technical tone, making it particularly suitable for academic and scientific writing. Alternative options, such as "are determined through" or "are established by means of", can provide stylistic variations while maintaining semantic equivalence.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

are determined through

Emphasizes the process or method by which something is established.

are established by means of

Highlights the tools or methods used to confirm something.

are identified via

Focuses on the method of recognition or discovery.

are found through

Indicates a discovery process, often implying a search or investigation.

are verified by

Stresses the confirmation or validation aspect.

are validated using

Similar to verified but specifies the instrument.

are confirmed with

Indicates that something is made certain by another element.

are deduced from

Suggests the information is derived through reasoning or inference.

are inferred from

Similar to deduced, but with a slightly stronger emphasis on indirect evidence.

are recognized based on

Emphasizes the criteria or grounds for identification.

FAQs

How can I use "are ascertained by" in a sentence?

Use "are ascertained by" to explain how facts or information are determined or established. For example, "The parameters of the controller "are ascertained by" using a genetic algorithm."

What phrases are similar to "are ascertained by"?

Similar phrases include "are determined by", "are established by", or "are identified by". The best choice depends on the specific context.

Is it better to use "are ascertained by" or "are determined by"?

Both phrases are grammatically correct and often interchangeable. "Are ascertained by" implies a more formal or technical process of discovery or confirmation, while "are determined by" is more general. Therefore, "are ascertained by" should be preferred when describing a scientific or research process.

What is the difference between "are ascertained by" and "are verified by"?

"Are ascertained by" implies the process of finding something out for certain, while "are verified by" implies checking something that is already believed to be true. For example, the truth can "be ascertained by" experience while results "be verified by" repeated tests.