The phrase "a minimum spacing of" is correct and usable in written English.
It can be used when specifying the least amount of space required between objects or elements in various contexts, such as design, architecture, or layout.
Example: "The design requires a minimum spacing of 10 centimeters between each chair to ensure comfort."
Alternatives: "a required gap of" or "a necessary distance of".
So, there is a minimum spacing of 1.4 nm between the iron oxide nanoparticles.
Furthermore, a minimum spacing of −0.6 m and −1.9 m during braking is observed in simulations and experiments, respectively.
A minimum spacing of 12 would be consistent with our observed optimal helical phasing of -13.86 bases (Fig. 5).
Under physiological flow conditions, neutrophils required a minimum spacing of GPIbα molecules to successfully adhere.
All specimens received a minimum spacing of 7 to 10 days between each protocol application, as well as were weighted immediately before each protocol, subjected to fasting of 12 hours.
TIP3P water molecules were added with a minimum spacing of 10.0 Å from the box edges to the RNA PNA molecules and Na+ counterions were added to each system to reach the neutralization of the system.
When 3.5-mm diameter implants are used, there should be a minimum space of 3 mm between implants [22] and 1.5 mm between the implants and adjacent teeth [23] (1.5 + 3.5 + 3 + 3.5 + 1.5 = 13 mm).
When there was no overlap between the upper and lower incisors, with a minimum space of 1 mm between both incisal edges, it was considered anterior open bite [14].
The layout pathway of the meal carts needs a minimum space of 75.0 cm when moving forth or back and a minimum of 102.5 cm for turning the meal cart especially when in motion, while the meal carts are been pushed or pulled on smooth floor surfaces.
To avoid tissue damage and formation of traumatic resin ducts (Fig. 1f) or other wood reactions, samples were taken following a spiral pattern along the stem surface leaving a minimum space of 5 cm between extraction points (Deslauriers et al. 2003).
When there was no overlap between the upper and lower incisors, with a minimum space of 1 mm between both incisal edges, it was considered open bite.
