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The genus Echium, (Boraginaceae) has Mediterranean and Macaronesian origin (Guil-Guerrero et al. 2001). Echium plantagineum L., also known as viper's bugloss, blueweed, and snake's flower, has spread widely throughout the world and has become an invasive weed in Australia, and South America. Echium plantagineum is an annual plant, but occasionally can be(More)
Analysis of composition fluctuations in InGaN by transmission electron microscopy phys. stat. sol. Coexistence of planar and three-dimensional quantum dots in CdSe/ZnSe structures Structural and chemical investigation of In 0.6 Ga 0.4 As Stranski-Krastanow layers buried in GaAs by transmission electron microscopy Character of the Cd-distribution in(More)
INTRODUCTION Scientific report According to project objectives, namely to grow and to evaluate the structural, electrical and optical properties of nanostructures in the Si-Ge-C system and to gain insight into fundamental physics of these structures, and to improve the luminescence efficiency of these structures, and according to the work plan for the(More)
The effect of annealing 25-nm-thick pseudomorphic Si 0.7865 Ge 0.21 C 0.0035 layers on silicon substrates in nitrogen or oxygen at 850 °C was examined for different silicon cap thicknesses and annealing times by x-ray diffraction and secondary-ion mass spectrometry. Carbon is found to diffuse rapidly out of the SiGeC layer and even out of the sample(More)
Harmful algal blooms are natural phenomena caused by the massive growth of phytoplankton that may contain highly toxic chemicals, the so-called marine biotoxins causing illness and even death to both aquatic organisms and humans. Their occurrence has been increased in frequency and severity, suggesting a worldwide public health risk. Marine biotoxins can(More)
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