The phrase "attained continuously" is correct and usable in written English.
It can be used to describe a process or state that is achieved or maintained over an extended period without interruption.
Example: "The team has attained continuously high performance levels throughout the season."
Alternatives: "achieved consistently" or "maintained steadily".
This amplitude modulation was attained by continuously mixing the stimulus and buffer solutions while changing the relative flow rates of the inlets.
The results revealed that boundaries with misorientation θ < 15° did not attain a continuously curved shape in the entire temperature range up to the melting point and, thus, did not move under a capillary driving force.
Moreover, only 17% of the patients continuously attained optimal Cmin values between 2 and 10 mg/L over 4 days (see Additional file 5).
"Federal creditworthiness and therefore American prosperity now hinge on continuously attaining better health with less health spending.
Excellent performance over wireless channels is attained when the encoder parameters are continuously adapted to the time-varying signal-to-noise ratio (SNR).
The throughput of the affected wireless network was found to increase continuously with the SINR attained at the corresponding receiver, which increased with the separation between the networks.
Each inoculation of 3 L culture attained 109 cells and could be induced to continuously express VLPs three times.
As the wastewater is treated in the activated sludge, its toxicity decreases continuously until the accepted treatment level is attained.
As with the baseline xylose fermentation, the high productivities attained in the DDAP-H fermentations highlight the productivity benefits of operating continuously with immobilised cells.
When expressed as Hg per whole kidney, the Hg content increased continuously with age in all groups with the highest levels attained at PND90.
