The phrase "and lengthy process that" is correct and usable in written English.
It can be used when describing a process that is both extensive in duration and complexity, often in a context where further explanation or detail is to follow.
Example: "The project involves a complicated and lengthy process that requires careful planning and execution."
Alternatives: "and time-consuming process that" or "and extensive process that".
However, Zhuang Guotai, the head of the MEP's Department of Nature and Ecology Conservation, has said that cleaning up soil pollution is a difficult and lengthy process that will require huge investment.
In past, the most common method was an isolation of virus in cell cultures but it was difficult, time consuming and lengthy process that requires experienced technicians.
"A judicial review is a costly and lengthy process that will only line the pockets of lawyers, leaving the club, its fans and the Tottenham community in limbo.
However, wafer fabrication is a complex, costly, and lengthy process that involves hundreds of chemical steps and needs to monitor lots of process parameters at the same time.
Around Valentine's Day 2009, I became pregnant with twins through In Vitro Fertilization (IVF) a costly and lengthy process that is out of reach for many women with reproductive challenges, in or outside of a relationship, particularly women of color and low-income women.
Because MHC>>PAX7-FOXO1 expressisn is lethal, a typical forward genetic screen would normally require a multigenerational scheme to bring the MHC-Gal4 driver, UAS-PAX7-FOXO1 trandgene, and candidate modifiers into the same genetic background, a cumbersome and lengthy process that would need repeating for every candidate mutation-containing chromosome to be tested.
The commission's digital plans are subject to the approval of the European Parliament and individual member states, a lengthy process that could lead to significant changes.
Confirmation and validation of a disease biomarker is a lengthy process that requires careful consideration and attention to every step of the analytical procedure.
"It's a lengthy process that doesn't work efficiently in bricks-and-mortar, and while it works over the phone, it's not as efficient as the Web".
If their objector application is accepted -- a lengthy process that requires interviews, essays and letters from character witnesses -- they can either be reassigned to noncombatant duties or discharged.
