The phrase "access underneath" is correct and usable in written English.
It can be used when referring to the ability to reach or obtain something that is located below a surface or layer.
Example: "To troubleshoot the issue, you need to access underneath the panel to check the wiring."
Alternatives: "gain access below" or "reach beneath."
High volume coffee sales are the foundation stone of every coffee shop, so make sure this workstation is perfectly laid out with easy access to underneath bins, bean storage, and bar fridge milk, having the right height benchtop with easy access to cups, grinder, accessories, and reachable overhead storage of supplies.
The combined effect of high DNA density (hence high local Na+ concentration for inhibiting DNase activity) and PEGylation (steric restriction of DNase access to underneath DNA structure) makes it more resistant to DNase degradation.
Once a person feels understood, they can access the feelings underneath the anger, which are often those of sadness, disappointment and grief.
A dense PEG "shield" on the dsDNA GNP outer surface can restrict the enzyme access to the underneath DNA structure, just like their ability to resist nonspecific adsorption of serum proteins observed above.
A bird was considered to have solved the task when it deliberately lifted the lid completely out of the well (i.e., not accidentally kicking/knocking it off) so that it could access the spinach underneath.
Make sure you thoroughly access the area underneath your kitchen and dining room tables.
"We treat laryngeal tumours at the back of the tongue, where we can down and underneath and access and cut away the tumours.
They stand vigil over his foxhole so the fox family nearly starve before Mr Fox realises that he can access their barns from underneath.
"The business units underneath have access to the stock market, if they wish," says Schwass.
