The phrase "a more complex procedure" is correct and usable in written English.
It can be used when describing a procedure that involves multiple steps or is intricate in nature, often in comparison to a simpler procedure.
Example: "The new software update requires a more complex procedure for installation than the previous version."
Alternatives: "a more intricate process" or "a more complicated method".
Because of its heterogeneity and complexity, the complete degradation of xylan is a more complex procedure that requires the synergistic action of several xylanolytic enzymes.
A spokeswoman for the bureau's laboratory, Ann Todd, said it already had a backlog of 225,000 samples to be processed, a more complex procedure than entering fingerprints.
A more complex procedure - a mitral valve repair - was carried out on 43-year-old Paul Whitehouse from Halesowen.
This is because the elongation is a more complex procedure than the control of the length of the contralateral limb [9].
Positioning is a more complex procedure that involves the acquisition from signals transmitted and received from different parts of the network, and therefore it is also dependent on the problem geometry.
Even if simple and cheap, the proposed procedure can be a starting point to obtain useful information about the fate of drugs entering the environment as a consequence of the normal metabolic processes or bad wasting and so on; a more complex procedure (analyte enrichment ) is needed to take into account the very low concentration up today found there [10].
In case of a GeoUnicast header, a slightly more complex procedure takes link scope and the relation between the position of the source and the available GVLs into account.
In the geriatric population, however, the writing of a prescription is a far more complex procedure than many members of the medical profession recognize.
He also mentioned getting circumcised as an adult is a much more complex procedure than it is for infants—"30 to 45 minutes versus 30 to 45 seconds".
Third, isolation of CTCs from millions of normal cells is a much more complex procedure than isolation of cells from a primary tumor or from another cell population.
But unlike loop music that simply builds layers upon layers of sound, Exile's orchestra mashup was a much more complex procedure, and the live nature of the performance gave it a heightened, raw atmosphere.
