P-wave dispersion (PWD) has been defined as a difference between the shortest and longest
p-wave duration recorded from multiple different surface electrocardio-graphic (ECG) leads, and has recently been introduced to the field of noninvasive electrocardiology [1].
It discusses the topological origin of the edge and surface states in two and three-dimensional systems, theoretical models of the topological states, key properties like Dirac-like spectrum and spin helicity, and representative transport phenomena, including the quantum spin-Hall effect, nonlocal edge transport, backscattering of helical edge and surface states, weak antilocalization, unconventional triplet
p-wave superconductivity, topological bound states, and emergent Majorana fermions in Josesphson junctions, as well as superconducting Klein tunneling.
If only the first motion of the
P-wave A(x) is taken into account and assuming that all of the moment tensor components have the same time-dependency, Equation (1) can be simplified as [11-15],
Correlation between
p-wave velocity, impact index, slake durability and uniaxial compressive strength.
The K values of 127 samples and [PHI] values of 128 samples, grain density of 102 samples, bulk density of 129 dry samples,
P-wave velocity ([V.sub.P]) in 60 dry samples and S-wave velocity ([V.sub.S]) in 10 dry samples comprised the recent and earlier data (Shogenova et al.
For the assessment of other properties, like impact strength index (ISI), slake durability index (SDI) and
P-wave velocity, Schmidt hammer rebound number is considered as one of the most important parameter.
(1)
P-wave duration [greater than or equal to] 0.12 s in the inferior leads suggests left atrial enlargement.
However, when every other sinus node-originated
P-wave is not followed by a QRS, it is impossible to determine from a rhythm strip if the heart block is Mobitz Type I or Mobitz Type II.