The description of the very complex damage and failure behaviour of fibre and textile reinforced composites in damage models is objective of various research efforts. Such models strongly depend on the nature of the reinforcement (fabric, uniaxial or multiaxial layup) and additionally on micro-cracking geometry. With respect to the practical applicability the number of input parameters of damag...

Abstract In this article, the sensitivity coefficients of dynamic characteristic damage identification blades with different sizes were investigated. The results show that first third-order vibration modes blade before and after are consistent, wind turbine size has no significant effect on mode; increase size, first-, third- fourth-order natural frequency decrease gradually, while second-, fif...

For the verification of pertinent failure and damage models of fibre and textile reinforced composites a clear identification of the particular damage entities is an essential premise. In such fibrous composites, the characteristic failure mechanisms are initiated on the microscale and result in a spontaneous release of elastic energy in terms of mechanical stress waves, the so-called acoustic ...

OBJECTIVE To compare the sperm chromatin dispersion (SCD) test and the terminal uridine nick-end labeling (TUNEL) assay for assessment of sperm DNA damage. DESIGN Prospective comparative experimental study. SETTING Andrology laboratory. PATIENT(S) Twenty subfertile men with unexplained infertility. INTERVENTION(S) Sperm DNA damage was determined in the same semen samples using the TUNEL...

Inflammation is portion of the body's immune response and it is basically a host protective response to tissue ischemia, injury, autoimmune responses or infectious agents. Although the information presented so far points to a detrimental role for inflammation in central nervous system (CNS) disease, it may also be useful. CNS demonstrates characteristic of inflammation, and in response to damag...