Fresh semen obtained from infertile men occasionally exhibits the total absence of motile sperm (100%asthenozoospermia). Vitality tests may reveal that a proportion of the immotile sperm has functional membranes, which are considered viable. An easy test for the prior determination of sperm viability may assist in sperm selection for the microinjection of oocytes. The main objective of this stu...

Pulse oximetry (PO) can be used as a technique to assess vascularization. Although it is commonly in the field of medicine, still has limited use dentistry. The aim this study evaluate, by means systematic review, if pulse viable and effective system determine pulp vitality clinical criteria for its use. A literature search was performed Medline, Scopus, Embase, Web Science databases. Clinical ...

− The comparison of three different algorithms for the estimation of parameters of two sine signals with common frequency is presented. The algorithms are the ellipse fit, the seven parameter sine fit and the spectral sinc fit. The comparison includes signal to noise ratio analysis, amplitude analysis and phase difference analysis.

Summary Language death is a phenomenon with symptoms related to demeaning vocabulary count and depletion of domains language use along the simplicity linguistic structures. It commences by exhibiting traits declining number fluent speakers, dwindling attitude speakers regard their heritage language, shift, lack inter-generational transfer accompanied feeling that inferior outside languages, Gul...