Relaxation time spectrum
WebFeb 21, 2024 · Bai et al. used the T 2 spectrum and cumulative porosity to obtain the maximum and minimum relaxation time, semi-relaxation time, spectral peak relaxation time, interval pore component, maximum porosity component, skewness, and other characteristic parameters, and the classification standard of reservoirs in the Nanpu sag … Web2 days ago · The specific identification of the oil and moisture signals of soybean seeds using longitudinal relaxation time (T1) and transverse relaxation time (T2) successfully solved the problems of less ... In Figure 5B, the T 2 relaxation spectrum was observed for the soybean without drying treatment (10% moisture content), containing ...
Relaxation time spectrum
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WebFeb 1, 1970 · Abstract and Figures. this article it is shown that the relaxation time spectrum can be analytically related to the molecular weight distribution regarding a recently … WebThe spectrum is determined by three constants: the upper bound (maximum relaxation time), slope in the logarithmic scale (exponent), and height (form factor). The necessity to …
Webrelaxation time is usually presented on a logarithm scale. Thus, Eq. 2 can be written as, (3) where H( ) [= E( )] is called the relaxation time distribution func-tion (Fried 1995). The … Webresting time at the geometry of the instrument prior to measurement. Finally, stress relaxation experiment must be conducted on the material using an instantaneous strain …
WebMar 1, 2009 · A generalized relation between MWD and relaxation time spectrum has been proposed to properly account for sharp MWDs of nearly monodisperse or blends of nearly … WebOct 27, 1999 · In this article it is shown that the relaxation time spectrum can be analytically related to the molecular weight distribution regarding a recently derived generalized …
WebDec 1, 2010 · The time that is required for these rearrangements is either short or long depending on the interactions between the macromolecular species that constitute the …
WebSep 1, 2016 · Fig. 3 (a) compares dynamic moduli which are calculated from the model spectrum of Eq. (28) and those calculated from the discrete relaxation spectrum. Solid … how to remove decals from vehicle windowsWebSep 1, 2016 · Discrete relaxation time spectrum is more convenient to simulate multi-mode models than continuous one because it demands shorter calculation time. It has been … how to remove deceased from facebookWebWe discuss the use of Fourier transforms to construct approximate inversion formulae for the Laplace transform and apply this technique to recover the relaxation spectrum from “data” for the relaxation modulus. We show that regularization by a Gaussian, as proposed by Davies and Anderssen, yields reasonable results even for data with significant noise. how to remove deceased from car titleWebI have a wide experimental experience, since 1990, with laser sources of different types and application of these sources to perform complex optical spectroscopic investigations. I have a very good knowledge of pulsed laser systems of different nature and their utilization to realize time-resolved non-linear spectroscopic investigations. During my research … how to remove decimal in crystal reportThe decay of RF-induced NMR spin polarization is characterized in terms of two separate processes, each with their own time constants. One process, called T1, is responsible for the loss of resonance intensity following pulse excitation. The other process, called T2, characterizes the width or broadness of resonances. Stated more formally, T1 is the time constant for the physical processes responsible for the relaxation of the components of the nuclear spin magnetization v… how to remove deceased from linkedinWebresting time at the geometry of the instrument prior to measurement. Finally, stress relaxation experiment must be conducted on the material using an instantaneous strain within the LVR and left to relax for the appropri ate period of time. The relaxation part of the experiment can be crucial for the subsequent calculation of the spectrum. how to remove decimal in abapWebMar 6, 2024 · Observing the transverse relaxation time (T2) spectrum areas and SEM images, the number of internal pores and the crack size developed with the increase of pore water pressure cycles. Furthermore, the NMR images indicated that the sandstone pores under cycling pore water pressure gradually expanded from the bottom action end to the … how to remove deceased name from deed