The phrase "an essential factor when" is correct and usable in written English.
It can be used to indicate the importance of a specific element in a particular context or situation.
Example: "Communication is an essential factor when building strong relationships in the workplace."
Alternatives: "a crucial element when" or "a key component when".
Those tech giants have existing relationships and can bring audiences hundreds of times larger — an essential factor when returns will scale with reach and participation.
In our opinion, knowing how satisfied caregivers of type 2 diabetic patients are with the treatment is an essential factor when planning the treatment.
For example, it is reflected in the genetic composition of the pneumococcal population, thus being an essential factor when attempting to elucidate the evolutionary mechanisms of pneumococci [ 31].
For example, timing of data collection is an essential factor when monitoring the impact of local policy changes or community initiatives, which may not coincide with national survey data collection (Mansfield and Wilson 2008).
One essential factor when developing a project based learning (PBL) program is giving the required resources leading the student's learning process.
Although association does not indicate causality, increased knowledge of the risk factors and injury mechanisms is an essential component when planning intervention programmes.
It puts emphasis on exposure and effect; essential factors when dealing with health [ 9].
The modern history of retinoids, however, began in 1909 when an essential factor in the viability of an embryo in the fatty extract of the egg yolk, called vitamin A, was discovered.
Moreover, this work not only provides a new option for the selection of the solution-processed cathode buffer layer in designing efficient and stable inverted PSCs, but also presents that the improvement of the interface contact property is also an essential factor for efficient polymer solar cells when preparing cathode buffer layers.
Alexander Ploss and his team have identified an essential factor in the virus's life cycle when it infects humans.
Consequently, when weight reduction of connection rod shank is attempted, buckling should be considered as an essential factor along with the other criteria such as yield and fatigue.
