The phrase "achieving at times" is correct and usable in written English.
It can be used to indicate that success or accomplishment occurs occasionally rather than consistently.
Example: "She has been achieving at times, but her performance varies greatly from week to week."
Alternatives: "succeeding occasionally" or "attaining success sometimes".
Thankfulness for what she had achieved at times shaded over into perplexity and vexation.
HG Wells once said that British Liberalism was "a system of hostilities and objections that somehow achieves at times an elusive common soul".
Cleverly conceived, it boasts a star-studded cast (Gabriel Byrne, Dianne Wiest, Blair Underwood) who achieve, at times, theatrical transcendence.
Eye-level shots were difficult to achieve at times, due to the meerkats' small size and the limited height of even the smallest tripods.
However, our longstanding interest in elites facilitated access to philanthropists, achieved at times through existing contacts, enabling us to secure interviews with some who did not normally grant them.
Clearly, q i (s) is presented to model the expected one-hop throughput that sender s can achieve at time (t_{i}in mathcal {T}(s)).
Let R j (s) denote the instantaneous data rate that user j can achieve at time instant s and T j (s) be the average throughput for user j up to time slot s.
With NaOH, the maximum yield of biodiesel was achieved at time of 60 min where other constant conditions were methanol (30% of oil), catalyst (0.4%) and temperature of 60 °C.
Meanwhile, with KOH, the maximum yield of biodiesel was achieved at time of 45 min where other constant conditions were methanol (40% of oil), catalyst (1.28%) and reaction temperature of 60 °C.
The observed differences in type and number of postoperative complications according to sac shrinkage could potentially be related to the preoperative aneurysm anatomy and the sealing length achieved at time of stent implantation.
