Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
periods of extraction
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "periods of extraction" is correct and usable in written English.
It can be used in contexts related to resource extraction, data collection, or any situation where something is being removed or gathered over time. Example: "The study analyzed the environmental impact during the periods of extraction of natural resources from the region."
✓ Grammatically correct
Science
News & Media
Alternative expressions(20)
date of ticket
date of donation
creation date
periods of operation
data gathering date
day of extraction
collection date
date of extraction
beginning of extraction
date of operation
reports of extraction
sampling date
data extraction date
date of data acquisition
retrieval date
date of removal
months of extraction
date of production
date of retrieval
date of data retrieval
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
3 human-written examples
We have carried on the experiment to verify, and discovered that long periods of extraction time can cause CGA to be broken down by the HPLC result.
To estimate how renewable EGS reservoirs might be, an analytical approach employing Green's function was used to model transient thermal conduction in an idealized reservoir containing a single rectangular fracture to evaluate heat transfer effects during alternating periods of extraction and recovery.
Science
Because of the thickness of cortical ovarian pieces, extended periods of extraction, labelling and washing were required to facilitate reagent penetration and ensure adequate washout of excess immunological probes.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
57 human-written examples
Due to the fact that metabolites differ greatly in their concentrations, structures, and chemical behaviors, extraction buffer composition, temperature, and period of extraction must all be optimized.
The aim of this retrospective, consecutive, single-centre study is to share our experience in removing pacemaker and implantable cardioverter defibrillator (ICD) leads using different extraction techniques, during an early, evolutionary period of lead extraction.
Science
During the early healing period of dental extraction wounds, the gingival margins contract toward the center of the extraction socket and the epithelial integration is rapidly re-established [18], [19].
Science
Although climate-growth relationships for Kratzeburg and Gollin were calculated over different time windows (depending upon the period of resin extraction, cf. Fig. 2), climate response patterns indicate the same inter-site differences when calculated over identical periods (data not shown).
Science
The sample was obtained from the liquid phase of underground gas storage reservoir in the period of gas extraction as described by Ivanova et al. (2007).
Juniperus species growing in dry parts of the USA have similarly resistant xylem and in these species it is thought that an extended period of water extraction from relatively dry soils allows trees to maintain subsistence levels of photosynthesis and transpiration as plant tissues desiccate to extreme water potentials (West et al. 2008).
Science
The extract at optimal concentration (15%) and temperature (40 °C) was exposed to a range of time period for extraction, where 20 min was found to be the best optimized time period, since activity decreased with higher extraction time, though negligibly.
Science
Untreated and EBV-treated monocytes were cultured for various periods of time before RNA extraction.
Science
Expert writing Tips
Best practice
When describing research methodologies, clearly define the "periods of extraction" to ensure reproducibility and accurate interpretation of results. Specify the start and end times of each period, along with any relevant environmental conditions.
Common error
Avoid using vague terms like "extended "periods of extraction"" without quantifying the duration. Always provide specific timeframes or ranges to prevent misinterpretations and maintain clarity.
Source & Trust
81%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "periods of extraction" functions primarily as a noun phrase, denoting specific time intervals during which a substance is removed or obtained. The examples provided by Ludwig illustrate its use in scientific and technical contexts.
Frequent in
Science
80%
News & Media
10%
Formal & Business
5%
Less common in
Encyclopedias
0%
Wiki
5%
Reference
0%
Ludwig's WRAP-UP
The phrase "periods of extraction" is a noun phrase used to describe specific time intervals during which a substance is removed or obtained. Ludwig AI confirms that it is grammatically correct and usable in written English, particularly in scientific and technical contexts. While alternatives like "extraction durations" or "extraction intervals" exist, the key is to define the timeframe clearly and avoid ambiguity. Proper usage ensures reproducibility and accurate interpretation of results, aligning with best practices in scientific writing.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
times of extraction
A more literal substitution, simply specifying moments when extraction occurs.
extraction intervals
Highlights the space between extraction events, emphasizing regularity.
extraction cycles
Emphasizes recurring extraction processes with a cyclical nature.
extraction durations
Focuses on the length of time for extraction, rather than recurring intervals.
extraction windows
Implies specific, limited timeframes during which extraction is possible or optimal.
extraction phases
Suggests distinct stages or segments within an overall extraction process.
extraction timeframes
Similar to timescales, but can refer to shorter or more specific durations.
extraction timescales
Focuses on the general timeframes involved in extraction processes.
extraction spans
Highlights the continuous duration over which extraction processes occur.
extraction schedules
Focuses on pre-arranged plans or timetables for extraction activities.
FAQs
How can I use "periods of extraction" in a sentence?
You can use "periods of extraction" to refer to specific time intervals during which a substance or resource is removed or obtained. For example: "The study analyzed the chemical composition of the soil during different "periods of extraction" to determine the optimal harvesting time."
What are some alternatives to "periods of extraction"?
Some alternatives include "extraction durations", "extraction intervals", or "extraction phases", depending on the specific context and emphasis you want to convey.
Is it better to say "period of extraction" or "periods of extraction"?
Use "period of extraction" for a single, defined timeframe. Use "periods of extraction" when referring to multiple, distinct time intervals during which extraction occurs.
What factors influence the optimal "periods of extraction" in scientific research?
Factors influencing optimal "periods of extraction" can include temperature, solvent type, pressure, and the stability of the target compounds. These parameters often need to be optimized to maximize yield and minimize degradation.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
81%
Authority and reliability
4.1/5
Expert rating
Real-world application tested