Exact(5)
This absorber can completely remove oscillations from the primary structure when the primary is excited by a simple harmonic forcing with a frequency matching that of the absorber resonance.
The analyses were performed using a Bruker 820 ICP-MS equipped with a frequency matching RF-generator and a collision reaction interface (CRI) and an SPS3 auto-sampler.
The ICP-MS analyses were carried out using a Bruker ICP-MS 820 equipped with a frequency matching RF-generator and a Collision Reaction Interface (CRI), the latter operated with either helium or hydrogen.
The study was designed with the same number of cases as controls with a frequency matching on age, sex and region.
Because diabetic AP patients were older (median age 58vs.5151 years) and had less male predominance (59.3 vs. 66.2%) than nondiabetic ones, we managed to achieve the comparability of the study groups by performing a frequency matching technique on sex, 5-year age strata, and year of admission without replacement.
Similar(55)
We carried out a frequency matched case-control study.
The photodiode receives an oscillating intensity with a frequency matched to the driving signal.
And then a frequency matched case control study was performed to identify the risk factors of overweight and obesity.
We first generated full cohort data within which cases occur in time, and then obtained a frequency matched case-control sample within that.
We examined the effect of transcranial alternating current stimulation (sinusoidal waveform with no direct current offset at a peak-to-peak amplitude of 2000 μA and a frequency matched to each participant's peak tremor frequency) on physiological tremor in a group of healthy volunteers (N = 12).
Afterwards, all remaining ambiguous matches were examined for peak shape matching by performing a correlation coefficient calculation between an internal peak and all frequency matching sequential peaks within the resolution window.
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