"ranked 1st" is a perfectly correct and usable phrase in written English.
You can use it whenever you want to refer to something or someone that is positioned at the very top of a list or ranking. For example, "I was ranked 1st in the last competition."
Compounds with the highest conversion rates (7cc, 7cb, 7ca ranked 1st, 2nd, and 3rd, respectively) had relatively lower percentages of their parent compounds (15%, 14%, 10% for 7cc, 7cb, 7ca, respectively).
In our predictions YLR315W and YDR383C ranked 1st and 2nd respectively for the term "chromosome segregation" (GO 0007059) which is in accordance with the experimental evidence.
For example, Journal of Applied Electrochemistry ranked 8th in the top 20 of most productive journals, while IF (1.836) and h-index (39) ranked 20th and 15th, respectively; on the contrary, Journal of the American Chemical Society ranked 18th in top 20 of most productive journals, when IF (10.677) and h-index (66) ranked 1st and 3rd.
By the use of our proposed algorithm, the K-Computer was ranked 1st in Graph500 using all the 82,944 nodes available on June and November 2015 and June 2016 38,621.4 GTEPS.
However, New Zealand is considered as the world least corrupt country with a score of 96 and ranked 1st out of 176.
It is worth noting that the Chinese Academy of Sciences with a highest h-index of 55 was the most productive institute for the total articles (796), as well as single institute articles (342), first authored articles (542), and corresponding authored articles (528), while the inter-institutionally collaborative articles (454) ranked 1st.
Catalytic residues H263, H341, and E343 are ranked 1st, 3rd, and 4th, respectively.
Catalytic residues H341, H263, and E343 are ranked 1st, 2nd, and 5th, respectively, in the prediction using only structure information.
For example, in Model A, Patient #6 (ranked 1st) has the highest estimated risk score and Patient #19 (ranked 19th) has the lowest estimated risk score.
Its organisation was: It was ranked 1st (of 55) in the order of precedence of the Yeomanry Regiments in the Army List of 1914.
Theoretically, an assembler could be ranked 1st in 27 different key metrics (ten each for bird and snake, and seven for fish).
