The phrase "and only achieved a" is correct and usable in written English.
It can be used when discussing a limited or specific accomplishment or result that was reached after effort or struggle.
Example: "After months of hard work, the team and only achieved a minor improvement in performance metrics."
Alternatives: "and merely attained a" or "and just reached a".
Most molecular probes for HSV1-tk are based on the structure of ganciclovir, which has a molecular weight of 255 Da and only achieves a concentration in the brain of about 50% of the plasma level [ 49].
The second model, titled 'Base Model + Social Human Security Indicators', contains the addition of sense of attachment to community human security indicators, and only achieves an AUC of 0.64 and 0.73 for lifetime and six-month prevalence of sexual violence respectively.
In the UK junior faculty positions (lectureships) are highly sought after and only achieved by a minority.
The official turnout was 47.45%, far lower than Mr Sisi had hoped for as an endorsement and only achieved after an additional third day of voting.
Hospitals have already breached the target for the past 11 months and, in January, hospitals only achieved a 89.9% rate: 3.255 million people were treated on time but 364,218 were left waiting.
In the case of cobalt-based deposits, Co2 CO 8 is commonly used as the precursor gas, and the first experiments carried out only achieved a relatively low Co content [3, 4].
Or why do some concepts and programs with every reason to succeed and thrive only achieve a modicum of success, and then die?
Taking into account the percentage of timeouts, COOP and MobEye only achieve a better performance than CLIR for some of the studied parameters at the expenses of generating much more protocol traffic.
Organizations in this mode ran the risk of not innovating and, therefore, only achieving a "local maxima".
At the time, Senate rules required approval of two-thirds of the Senate to end debate – and Fortas could only achieve a vote of 45 to 43.
