Results 121 to 130 of about 6,446,922 (262)

Linking Planetary Ephemeris Reference Frames to ICRF via Millisecond Pulsars

open access: yesUniverse
The positions of millisecond pulsars (MSPs) can be determined with sub-milliarcsecond (mas) accuracy using both Very Long Baseline Interferometry (VLBI) and timing, referenced to the International Celestial Reference Frame (ICRF) and planetary ...
Li Guo   +4 more
doaj   +1 more source

Graded Chronic Pain Scale: Validation of 1-Month Reference Frame. [PDF]

open access: yesClin J Pain, 2021
Sharma S, Kallen MA, Ohrbach R.
europepmc   +1 more source

Accuracy of posterosuperior iliac spine reference array placement in robot-navigated spine surgery

open access: yesBone & Joint Open
Aims: Computer-navigated spinal instrumentation requires placement of a dynamic reference base (DRB), typically intraosseously in the ilium via a percutaneous stab incision on the posterior superior iliac spine (PSIS) entry point.
Joseph J. Y. Wan   +4 more
doaj   +1 more source

Comparing the development of cortex-wide gene expression patterns between two species in a common reference frame. [PDF]

open access: yesProc Natl Acad Sci U S A, 2022
James SS   +7 more
europepmc   +1 more source

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