The phrase "a simple replacement" is correct and usable in written English.
It can be used when referring to an easy or straightforward substitution of one thing for another.
Example: "In this recipe, you can make a simple replacement of sugar with honey for a healthier option."
Alternatives: "an easy swap" or "a straightforward substitution".
A negotiated free trade zone would not be a simple replacement for full membership, he warned:Don't count on it.
Paint.net started life as a simple replacement for Microsoft Paint, but evolved with new features such as multiple layers and more advanced photo editing tools.
The use of these techniques within a context with feature engineering, feature selection, and proper tuning can further improve performance beyond a simple replacement of multiple linear regression.
An unusually anisotropic growth or quasi-one-dimension growth of silver architectures can be achieved when an external magnetic field is applied to a simple replacement reaction.
Tungsten has a much higher electrical conductivity than CFC, and this does not allow a simple replacement of the CFC with solid tungsten in the original design.
A phone is a simple replacement for a wallet stuffed with loyalty cards, but the real appeal for stores is in the location information provided by Foursquare and other location-based applications.
With limited access to medical care and clean water, what should be a treatment of simple replacement for fluid and electrolyte loss, along with antibiotics to deal with the bacteria itself, looks poised to merge with the ongoing aftermath of the 2010 cholera outbreak into another full-blown disease devastation.
If you're on a budget, find simple replacement objects.
The AUC is an equivalent and simple replacement of ROC curve.
Therefore the "knock in" cassette (generated in an intermediate vector) offers a modular structure that allows the simple replacement of the promoter (by XhoI/EcoRV), the coding sequence (by EcoRV/BglII) and the terminator DNA sequences (by BglII/SacI).
The majority of first generation biopharmaceuticals are unengineered murine monoclonal antibodies or simple replacement proteins displaying an identical amino acid sequence to a native human protein.
