The phrase "appearance of the compound" is correct and usable in written English.
It can be used when discussing the visual characteristics or properties of a chemical compound in scientific or academic contexts.
Example: "The appearance of the compound was noted to be a bright blue color, indicating the presence of copper ions."
Alternatives: "visual characteristics of the compound" or "physical appearance of the compound".
The conditions characterizing strepsipteran primary larvae (abdominal segment XI and cerci present) and secondary larvae (external wing buds recognizable as external convexities) are apparently the result of reversals, like the early appearance of the prospective compound eyes (see [ 17]).
The appearance of the following compounds is influenced by smoking habits: toluene, benzene, acetonitrile, 2-methyl furan, 2,5-dimethyl furan, furan, 1,3-cyclohexadiene, 1,3-cyclopentadiene, 2-methyl-1-butene, 1,4-pentadiene.
At a certain temperature, the dehydration and polycondensation leads to the appearance of amphiphilic compound, and the formation of spherical micelles that can further nucleate by dewatering.
The appearance of a compound locus resulted from the interruption of the locus by more than two mismatches, often resulting in the same repeated subsequence being recognized in more than one frame at different positions within the locus.
Peripheral vasodilatation may be a consequence of the appearance of vasoactive compounds in the circulation which may fail to be metabolised by the necrotic liver, or are released from it.
Due to the appearance of cracked compounds during the microwave heating process to the super-heated state, these materials cannot be removed completely from the gas condensate sample.
The opposite transition can occur as well, accounting for the appearance of apposition compound eyes in groups of crustaceans that normally possess only superposition eyes.
Furthermore, societal behaviors or customs (e.g., consanguinity) can also lead to higher frequencies of severe forms of a disease and the recent globalization of human migrations has led to the appearance of new compound statuses of different disorders, which would be highly unlikely to have occurred otherwise.
Antibiotic treatment suppressed the appearance of compound K in the serum.
