The phrase "attain a stage" is correct and usable in written English.
It can be used when discussing progress or reaching a particular level in a process, development, or achievement.
Example: "After months of hard work, she was finally able to attain a stage in her career that she had always dreamed of."
Alternatives: "reach a level" or "achieve a phase".
The Rococo style of the mid-18th century, generally known as style galant, had attained a halfway stage in which counterpoint had been virtually dropped and tunes had occupied the forefront of interest.
The processing force is the average value when the cutting process attains a stable stage.
It was observed from the hypsometric curves and hypsometric integral values of the watershed along with their sub basins that the drainage system is attaining a mature stage of geomorphic development.
It was observed from the hypsometric curves of the watershed along with their sub basins (Figs. 10, 11) that the drainage system is attaining a mature stage of geomorphic development.
In particular, whether the progenote [ 4] -i.e. a primeval biological ancestor with a still rudimentary genotype-phenotype relationship and a RNA genome made of numerous minichomosomes – evolved into a LUCA still endowed with a RNA genome, or whether LUCA had already attained a later stage of evolution, with a RNA/DNA or DNA as genetic material, remains a matter of debate [[ 11- 15] and below].
Although LC/MS method using atmospheric pressure chemical ionization (APCI) as ion sourse did not require the derivatization step, CHCl3 and CH2Cl2 were often needed in the pre- or post-column stage to attain a satisfactory sensitivity [17 20].
Chondrocyte senescence is a concern with ACI/MACI [ 24, 120, 121], and, although MSCs also undergo senescence over prolonged periods of proliferation, adequate MSC yields for transplantation may be attained at a stage during which there is still significant residual proliferative capacity [ 104].
At this stage, the Kupffer cells attain a prominent role.
The lowest hatching percentage and maximum time duration for attaining a given ontogenic stage were observed at 36 °C; this treatment also resulted in malformed embryos.
The likelihood of attaining a given flood stage today is not the same as it was a century ago, and besides, the record is far too short to calculate what a 200-year or a 500-year flood might be.
