The phrase "a demonstration is required" is correct and usable in written English.
It can be used when indicating that a demonstration or proof of something is necessary or needed.
Example: "Before we proceed with the project, a demonstration is required to ensure everyone understands the process."
Alternatives: "a demonstration is necessary" or "a demonstration is needed."
What type of demonstration is required if I conclude that an option is not technically feasible?
ATTENDANCE: Attendance in all classes and completion of all work required including: dance compositions, papers and participation in final demonstration is required to pass the course.
ATTENDANCE: Attendance in all classes and completion of all work required including: creative projects, papers and participation in final demonstration is required to pass the course.
Evidence-based demonstration is required.
Further detailed design of an efficient phonon transport medium, which is compatible with the current platform beyond this proof of concept demonstration, is required.
Based on the key findings, it can be recommended that a combination of educational campaigns (e.g., information tools), pricing measures (e.g., differentiated vehicle taxation), supply-sided measures and large-scale demonstrations is required to support the adoption of AFVs.
However, the best yield for the (γ,p) reaction on an enriched target only used a few milligrams of zinc; a demonstration with a larger target is required to produce a more accurate yield and validate this method [ 34].
The demonstration program is required to provide all stakeholders with the confidence that any potentially substantial investment in treatment technology will effectively reduce steroid estrogens in final STW effluents and minimize the risks of harm to fish downstream of STWs associated with their endocrine-disrupting effects.
First, the essay is clearly not written in accordance with the formal apparatus of definitions and demonstrations that is required in a strictly esoteric presentation.
Thus, our study provides an in vivo demonstration that Rps27l is required for the maintenance of genomic stability, which is consistent with a previous report, showing that RPS27L knockdown in HCT116 colon cancer cells may trigger genomic instability (Li et al., 2007).
