The phrase "affecting principally" is correct and usable in written English.
It can be used to describe something that primarily influences or impacts a particular aspect or group.
Example: "The new policy is affecting principally the lower-income families in our community."
Alternatives: "primarily impacting" or "mainly influencing".
The epidemiologic transition is that process by which the pattern of mortality and disease is transformed from one of high mortality among infants and children and episodic famine and epidemic affecting all age groups to one of degenerative and man-made diseases (such as those attributed to smoking) affecting principally the elderly.
Those results were interpreted as demonstrating that Pten is largely a regulator of Akt activity, whereas Tsc1/2 serves as a tumor suppressor and inhibitor affecting principally S6k.
In a fatal case, an eosinophilic cardiac pseudotumor, affecting principally the left ventricle, was observed at autopsy; no larvae or granulomas were found in any other tissue examined.
Understanding diseases affecting principally the bone marrow (BM) is quite limited if researchers have to only rely mostly on peripheral blood leukocytes.
Also, some PCBs or their metabolites may alter the activities (activation or inactivation) of specific T3- or T4-directed hepatic UDP-GT enzymes, affecting principally the circulating levels of T3 (Vansell and Klaassen 2002).
Our results indicate that these observations could be extended to the tuber-bearing Solanum, in which case, interspecific hybridization among potato species triggers genetic and epigenetic changes that induce phenotypic alterations, affecting principally the regulation of flower development.
Climate affects principally agriculture, forestry, and fishing.
Lectures affects principally on the using of technical language, the respect of conventions of chemical notations and on procedures for solving tasks.
The pulmonary form, called inhalation anthrax (woolsorters' disease), affects principally the lungs and pleura and results from inhaling anthrax spores (e.g., in areas where hair and wool are processed).
The main source is the passage of oxygen through the air-water interface, which is affected principally by the lake temperatures; at low temperatures the partial pressure of dissolved oxygen in water is reduced.
This problem affected principally paper of belonging to the field of superconductivity (PACS 42).
