"leading component" is correct and usable in written English.
You can use it to refer to a main element or factor of something that influences or is essential for its success or outcome. For example, "The leading component in achieving this goal is hard work."
The company's industry role as a leading component innovator and manufacturer was threatened with the decline of the PC market.
Both the Islamic Supreme Council of Iraq, a leading component of the United Iraqi Alliance, and the Kurds want provinces and regions to have strong powers that cannot be trumped by the central government.
But Dr. Robert Waterston, head of the sequencing center at Washington University, St . Louis a leading component of the consortium, has calculated that there could be 100,000 gaps in Celera's human genome sequence, with an especially large number in regions where Celera has no consortium data to rely on.
Offensively, Ligon's ability to find shots, and his teammates' penchant for finding him open, was the leading component to the Pirates producing a season-best scoring output.
But turning it down would be a slap in the face to an international community that is showing, in the most generous way possible, that it wants the U.S. back as a leading component of the global order.
"The recognition of TB by the G20 as a leading component of the AMR threat is a major step forward for the disease," Oliver told HuffPost in an email.
Fourth, avoid marching through any document page-by-page, and disperse responsibility for leading components of the discussion.
For patients admitted to a hospital for post-stroke rehabilitation, the leading components of 1st year costs was hospitalization costs (€13,9533), followed by medicines (€ 1915) and outpatient care (€ 1066).
For patients who were admitted to a rehabilitation facility for post-stroke rehabilitation, the leading components were hospitalization costs (€88444), inpatient rehabilitation care (€47888), medicines (€ 1691), and outpatient care (€ 1317).
To make matters worse, leading components of the media turned away from what the Pike Committee was doing.
While the strategy was consistent, the personnel charged with leading components varied across sites.
