The phrase "are maintained under the" is correct and usable in written English.
It can be used in contexts where you are discussing the conditions or regulations under which something is kept or preserved.
Example: "All records are maintained under the guidelines set forth by the organization."
Alternatives: "are kept in accordance with" or "are preserved according to".
The Provincial Museum, Art Gallery, and Archives are housed together in a large structure called The Rooms in St. John's and are maintained under the auspices of the Department of Tourism, Culture, and Recreation.
In some places glacial till and fluval sands and gravels are maintained under the several lava flows that form the volcanic field.
They are maintained under the same agronomical conditions in two separated experimental plots: " Finca Valdegón" (Agoncillo, La Rioja, Spain) and " Finca La Grajera" (Logroño, La Rioja, Spain).
The fact that males are lost at very different rates even if the strains are maintained under the same conditions indicates that the difference is genetically determined and is therefore a putatively selectable trait.
A major consequence of JNK silencing in differentiating HESCs cells is that the SUMO pathway becomes refractory to modest fluctuations in environmental ROS levels, thus ensuring that cellular homeostasis and hormone responses are maintained under the stress conditions imposed by pregnancy.
They emphasized that editorial independence would be maintained under the terms of any deal, something each had expressed concern about in talks with CNN.
Existing treatment levels will be maintained under the minimal Global Fund replenishment but a smaller proportion of the infected will be treated as these diseases continue to spread.
c, d After isolation of MNCs from UCB, the cells were maintained under the two culture conditions.
Another negative control containing only 0.5 mM AgNO3 were maintained under the same conditions.
