The phrase "ensure maintenance" is correct and can be used in written English.
It is commonly used to indicate the action of making sure something continues to function properly or is kept in good condition. Example: The company has implemented a strict schedule to ensure maintenance of their machinery to avoid any production delays.
"I completely oppose any policy that will ensure maintenance of the North's dictatorship".
Costs invariably far exceed initial estimates, and planners often woefully underestimate the skills and funding needed to ensure maintenance and repairs.
Stability studies on lyophilized bacterial biosensor were performed to ensure maintenance of performance over 12 months.
This focus arguably will ensure maintenance and ongoing evolution of these systems, and therefore all of biodiversity.
The optimized media formulation was studied in scaled-up larger volume batches using fermenters to ensure maintenance of the PYT production throughput.
The bone fragments would remain embedded in the ensuing haematoma while the plate fixation would ensure maintenance of the correct axis and length of the healing fibula.
Patients were followed weekly on an outpatient basis for anteroposterior (AP) and lateral radiographs to ensure maintenance of alignment for 2 weeks.
Hydraulics must ensure maintenance of proper hygienic conditions, visibility of water surface from different viewpoints in the urban landscape and navigability by small cruisers.
During the cool season, supplementation with concentrates should be planned based on estimated energy intake from forages to achieve optimum milk production and ensure maintenance of body condition.
To avoid hypoxic/ischemic insults to the brain, a clinical anesthesia machine is used to ensure maintenance of adequate ventilation, oxygenation, and cardiac output until perfusion of cold PBS begins.
The choice of data provider and method for measuring the solar irradiance data in W/m2 for a specific geographical location is therefore a critical determinant to ensure maintenance of the desired level of accuracy for the system design.
