'sporadic character' is correct and can be used in written English.
You can use it to describe something that is intermittent or occuring irregularly rather than consistently. For example, "The sporadic character of his sleep patterns made it difficult to establish a consistent bedtime routine."
However, information before 1930 still exists in the registry, but is of more sporadic character.
(policy-maker) One policy-maker mentioned the lack of continuity in implementing certain reforms and the slow and sporadic character of different activities, which depend to a great extent on the attitudes of individuals in key positions: "Unfortunately, what has been decided in the framework of the reform is rarely implemented, or the activities are very slow or sporadic.
But if you knew Adam as I do, you'd know that Adam loves to talk — whether in 1,200-word 1,200-wordumns or sporadic 140-character bursts.
Instead, each is different, and what appears to be idle, sporadic chatter is character revelation.
We found that in the Spanish performing arts symbolic space, the stage has four characters: sporadic, popular, snob, and omnivorous consumers, playing three symbolic games, namely, boundary-effacement, omnivore, and distinction, but to differing degrees.
As revealed by X-ray absorption fine structure investigation, samples fabricated in the presence of decreased free-sulfur showed decreased CZTS character, with sporadic compositions and no long term order; however, when fabricated in the presence of no free-sulfur, sulfur from the degraded MPP was found incorporated into the CZTS structure.
These include zoo-raised koala Nutsy Robin McLeavyy), goofy frill-necked lizard Jacko David Wenhamm) and evil feral cat Sir Claude (Rufus Sewell), whose sporadic terrorising of the characters mark the writing at its blandest and most cut-and-paste.
For many years, Chris Brown has been a toxic character, usually having sporadic meltdowns.
In general, however, most players spend most of their time on a psychologically reinforcing treadmill of sporadic rewards, trying to make their character more capable, progressing in power to Level 200.
Ellen Page gives an excellent performance as the main character, but the plotting and character writing is sporadic in quality, as it explores the lead's troubled journey to become a powerful assassin.
