The phrase "maintain their time" is correct and can be used in written English.
It means to continue to keep or manage one's schedule or punctuality. Example: The military recruits were trained to maintain their time, as every minute in combat could be crucial.
Together, we conclude that mutant ESCs still globally maintain an overall pluripotent cell replication timing program at least 72 h after OHT treatment, while specific domains require esBAF to maintain their replication time.
The project goal was to design and implement a part-time program in advanced practice gerontological nursing that allowed nurses currently working in a long-term care (LTC) facility to maintain their full-time employment.
The vendor and the maintenance service provider have to guarantee a high level of availability and productivity of the machines and maintain their down-time at a minimum even though they are installed worldwide and usually far from the vendor's headquarters and/or the locations of the provider's regional service offices.
He talks about how Windows RT devices will maintain their performance over time because users can only download applications from the Windows Store.
In any subscription business, the key question is: can they maintain their subscribers over time?
Luckily for us, however, bitcoins seem to be going up in value and should maintain their value over time, unlike your mint condition Tiny the stuffed Chihuahua.
If the learning curves are long and steep, on the other hand, these companies will have sufficient runway to break away from their competitors and maintain their leads over time.
As yet, there have been few theoretically based guidelines to assist animal care staff in establishing cost-efficient enrichment methods that both elicit the desired behavioral changes and maintain their success over time.
Although all of the biomaterials reviewed in the present chapter seem to maintain their volume over time, porosity of the biomaterial may be a significant factor in determining bone ingrowth into the implant.
Overall, our findings imply that a substantial percentage of former beneficiaries are able to re-enter the labor force after their benefits cease; however, a not-inconsequential minority of those with earnings do not meet common thresholds of earnings sufficiency and are not able to maintain their earnings over time.
