The phrase "at these junctures" is correct and usable in written English.
It can be used to refer to specific points in time or situations where a decision or action is required.
Example: "At these junctures, it is crucial to evaluate our options carefully before proceeding."
Alternatives: "at these points" or "at these moments".
Before each portion of the orchestra handed off drone duties, there were brief moments of overlapped playing – and it was at these junctures that the subtle harmonic movement of Conrad's piece was most evident.
You can find specific segments of the podcast at these junctures: Gretchen Morgenson on European debt (27:05); news headlines (18 05); Beats headphones (14 32); Richard Thaler (7:25); the week ahead (1 49).
You can find specific segments of the podcast at these junctures: Floyd Norris (15:51); news headlines (10 52); Pret A Manger (8 28); the week ahead (0 58).
You can find specific segments of the podcast at these junctures: Europe's troubles (32 13); news roundup (21 33); star analysts (18 38); Tyler Cowen on productivity (11 51); Paul Lim on stocks (6 30); the week ahead (2 08).
You can find specific segments of the podcast at these junctures: Shaila Dewan on the jobs report (23 36); news summary (19 23); Susanne Craig on Cantor Fitzgerald (17:23); Robert Shiller (8 05); the week ahead (1 05).
You can find specific segments of the podcast at these junctures: the jobs report (33:13); news summary (26:24); summer camps (24 08); Tyler Cowen (16 37); Japan (10 55); John Schwartz (5:16); the week ahead (2 17).
At each of these junctures, the interfacing processes must stretch to accommodate the values of the other.
At some of these junctures, the novel threatens momentum and spirit: just as suddenly, though, the portentous tone is resumed and the train seems once again freighted with its own self-importance.
Besides that, at first four of these junctures, peripheral blood samples were collected for the detection of acute phase cytokines (interleukins 1β and 8) using a commercially available ELISA kit (Alpco Diagnostic, Salem, NH) in accordance to manufacturer's recommendation.
This is likely to reflect radical innovation at these evolutionary junctures, perhaps including even independent origin of DNA replication systems [ 61, 71, 72].
The location of these residues at the juncture of these two protein regions would rationalize the more severe destabilization observed when these residues are substituted to generate R63S (Tm ∼43 °C) and W11F (Tm ∼25 °C), with melting temperatures reflecting destabilization of both MftR regions D1 and D2.
