Investigation of various species lichen as biomonitors air pollutants deposition and evaluation element pollution were aimed. Maximum accumulation was 43.9±2.1 mg/kg in X. somloensis. Strontium quite high. Percentages strontium for L.pulmonaria, C.furcata, U.longissima, X.somloensis, F.caperata between 58% 78% indicating the efficient strontium. Lichens also accumulated strategically important ...

Background: Arresting in a certain step of development like two-cell stage could be one of the reasons of infertility. The aim of this study is evaluating the effects of ethanol and strontium on growth and development of two-cell arrested mouse embryos. Materials and Methods: The females were coupled with male following superovulation. Positive vaginal plug mice were killed 48 hours after hCG i...

from Rasmussen, C.E. 1988. The use of strontium as an indicator of anthropogenically altered environmental parameters. "Proceedings of the Sixth International Coral Reef Symposium," Townsville, Australia, 8th-12th August 1988. pp. 325-330. ISBN 0-7316-5607-5: The use of strontium levels precipitated into coral skeletal material has long been recognised as an indicator of oceanic temperature at ...

Nonlinear properties of lead zirconate-titanate ~PZT! piezoceramics are investigated using ultrasonic second harmonic generation technique. When a sinusoidal ultrasonic wave of frequency v0 is sent into a nonlinear material, the second harmonic wave with frequency 2v0 is generated. Through measuring the absolute amplitude of the fundamental (v0) and of the second harmonic (2v0) waves, the ultra...

A thin film lead zirconate titanate, Pb(Zr,Ti)O3 (PZT), MEMS power generating device is developed. It is designed to resonate at specific frequencies from an external vibrational energy source, thereby creating electrical energy via the piezoelectric effect. Our cantilever device i t 2 f 1 d r ©