"firstly discovered" is a grammatically correct phrase that can be used in written English.
It is typically used to indicate that something was discovered as the first in a series of events or actions. For example: "Firstly, the scientists discovered a new species of fish in the deepest part of the ocean. Then, they observed its unique behaviors and studied its ecosystem."
It was firstly discovered in 1987, then salvaged and integrally raised from the sea in 2007.
It is firstly discovered that NPG can achieve selective oxidation for phenols and aromatic amines.
The evidence of anaerobic fermentation was firstly discovered in aerobic composting.
This interesting inequality was firstly discovered by Hermite in 1881 in the journal Mathesis (see Mitrinović and Lacković [1]).
It was firstly discovered in Purkinje neurons and the brain that TET proteins mediate active DNA demethylation (Kriaucionis and Heintz, 2009; Tahiliani et al., 2009).
Most pancreatic metastases are firstly discovered on a CT examination performed for follow-up of patients with history of primary malignancy.
This production strategy therefore represents a potentially valuable approach for future commercial production of recombinant T β 4. Thymosin β4 (T β4), a small acidic polypeptide (43-amino acid residues), was first discovered and isolated firstly from calf thymus [ 1], and encoding gene was mapped to the X chromosome [ 2].
Firstly, by discovering compatible deployed services, deployment of redundant components can be prevented.
Firstly, we discover the mutation pattern only depending on the mutation matrix.
Firstly, it is discovered that, the computational method reported by Yang et al. (2010) might be appropriate for heat transfer predictions in structured packings, while it might underestimate the friction factors, especially when the porosity is relatively low.
And a number of candidate Chinese fir genes in the two metabolic pathways were discovered firstly.
