an initial vacuum

USAGE SUMMARY

The phrase "an initial vacuum" is correct and usable in written English.
It can be used in contexts discussing a preliminary state of emptiness or absence, often in scientific or technical discussions. Example: "Before the experiment began, we created an initial vacuum in the chamber to ensure accurate results."

✓ Grammatically correct

Science

Wiki

News & Media

Human-verified examples from authoritative sources

Exact Expressions

6 human-written examples

Also, we admit an initial vacuum.

Boundary Value Problems

The vacuum system comprises an oil free dry-compression diaphragm pump (Pfeiffer PKT01300) that was powered by a turbo molecular pump (Pieffer TMH 071P) to reach an initial vacuum of ~ 10−5 mbar.

EPJ Techniques and Instrumentation

In the process of studying the condition of a local solution becoming a global one, Xin [14] proved that the smooth solutions will blow up in finite time when an initial vacuum is allowed.

Boundary Value Problems

Later on, Wen et al. [15, 16] proved the blow-up criterion in terms of the upper bound of the liquid mass for a local strong solution to the 3D (or 2D) viscous liquid-gas two-phase flow model in the two different cases when there is an initial vacuum and no initial vacuum in a bounded domain.

Boundary Value Problems

The optimum conditions of the films deposited were achieved in the presence of oxygen with an initial vacuum (base pressure) of 1 × 10−6 mbar, an accelerating voltage of 1 to 10 kV, and an electron beam current of 10 to 12 mA.

Journal of Theoretical and Applied Physics

Do an initial vacuum.

WikiHow

Human-verified similar examples from authoritative sources

Similar Expressions

54 human-written examples

Heat losses under operating conditions added up by the found vacuum losses have been estimated over the reference performance of a solar field keeping its initial vacuum.

Solar Energy

In this paper, we consider the three-dimensional viscous liquid-gas two phase flow model in a half-space (Omega={xinmathbb{R}^{3}:x_{3}>0}), where the initial vacuum is allowed.

Boundary Value Problems

Recently, Amirat and Hamdache [20] studied the micropolar fluids with the effect of magnetic field, they prove the global weak solution in a bounded domain in ℝ3 with initial vacuum.

Boundary Value Problems

The objective of this study was to establish the quantitative relationships between the cell seeding efficiency and the initial vacuum pressure in a compact perfusion seeding device that uses the effect of differential pressure induced by vacuum to seed cells on a porous scaffold.

Biomaterials

These results may be used to determine what level of initial vacuum leak is acceptable for a given product.

Journal of Pharmaceutical Sciences

Expert writing Tips

Best practice

When describing experimental setups or processes, clearly specify the level or quality of the "an initial vacuum" achieved (e.g., pressure in mbar or Torr) for reproducibility.

Common error

Avoid using "an initial vacuum" without providing necessary details about its purpose or characteristics. Always clarify why the initial vacuum is important and what effect it has on the process or system being described.

Linguistic Context

The phrase "an initial vacuum" functions as a noun phrase, where "initial" acts as an adjective specifying the state of the vacuum. As supported by Ludwig, the phrase is used to denote the preliminary state of emptiness before a process begins.

Expression frequency: Uncommon

Frequent in

Science

80%

Wiki

10%

News & Media

10%

Less common in

Formal & Business

0%

Encyclopedias

0%

Reference

0%

Ludwig's WRAP-UP

In summary, the phrase "an initial vacuum" is a grammatically sound and usable term, primarily encountered in scientific and technical contexts. As confirmed by Ludwig, it describes the preliminary state of emptiness or absence at the start of a process. While not exceedingly common, its usage is consistent and clear. When using this phrase, ensure to provide sufficient detail regarding the vacuum's properties and purpose for clarity and reproducibility. Common errors include oversimplification and a lack of contextual information. Remember that the term is most appropriate for formal and scientific writing, as evidenced by its prevalence in academic journals and research papers. Furthermore, remember to use "an" instead of "a" because "initial" begins with a vowel sound.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

a preliminary vacuum

Replaces "initial" with "preliminary", emphasizing the preparatory nature of the vacuum.

a starting vacuum

Substitutes "initial" with "starting", focusing on the beginning of the vacuum process.

an original vacuum

Uses "original" instead of "initial", highlighting the state of the vacuum at the outset.

a base vacuum

Replaces "initial" with "base", indicating the foundational level of vacuum.

a primary vacuum

Substitutes "initial" with "primary", emphasizing the vacuum's importance.

the beginning vacuum

Rephrases the original to focus on the commencement of vacuum conditions.

the vacuum at start

Changes the structure to highlight the vacuum's state at the start.

the vacuum initially

Modifies the phrase to use "initially" as an adverb, describing when the vacuum is present.

establishing a vacuum at first

Expands the phrase to describe the act of creating a vacuum in the first instance.

vacuum creation at the beginning

Completely restructures the phrase to emphasize the act of vacuum creation and its timing.

FAQs

How can I use "an initial vacuum" in a sentence?

You can use "an initial vacuum" to describe the state of emptiness or absence at the beginning of a process. For example: "The experiment required "a high initial vacuum" to minimize contamination."

What is the significance of "an initial vacuum" in scientific experiments?

In scientific experiments, "an initial vacuum" is often crucial for removing unwanted gases or particles, ensuring a controlled environment. It helps to prevent interference and achieve accurate results.

Which is correct, "an initial vacuum" or "a initial vacuum"?

"An initial vacuum" is the correct form. The article "an" is used because the word "initial" begins with a vowel sound.

What can I say instead of "an initial vacuum"?

You can use alternatives like "a preliminary vacuum", "a starting vacuum", or "a base vacuum" depending on the context.