Browsing Học liệu mở OER by Title
Now showing items 721-740 of 933
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Quantifying crowd size with mobile phone and Twitter data
(The Royal Society, 2015)Being able to infer the number of people in a specific area is of extreme importance for the avoidance of crowd disasters and to facilitate emergency evacuations. Here, using a football stadium and an airport as case ... -
Radiation Effects in Materials. Chapter 10: Radiation Effects in Polyamides
(INTECH Open Access Publisher, 2016)Polyamides (PAs) are largely used either as engineering materials in virgin form or as composites and a component of polymer blends. Various processes have been used to modify some properties of polymers to improve their ... -
Radiation Effects in Materials. Chapter 11: Ion-Irradiation-Induced Carbon Nanostructures in Optoelectronic Polymer Materials
(INTECH Open Access Publisher, 2016)The recent results obtained on the ion-irradiation-induced carbon nanostructures in optoelectronic polymer materials exemplified by boron-ion-implanted polymethylmethacrylate (B:PMMA) with an energy of 40 keV, ion doses ... -
Radiation Effects in Materials. Chapter 12: Radiation Effects in Textile Materials
(INTECH Open Access Publisher, 2016)Irradiation processes have several commercial applications, in the coating of metals, plastics, and glass, in printing, wood finishing, film and plastic cross-linking, and in the fields of adhesive and electrical insulations. ... -
Radiation Effects in Materials. Chapter 13: Irradiation Pretreatment of Tropical Biomass and Biofiber for Biofuel Production
(INTECH Open Access Publisher, 2016)Interest on biofuel production from biomass and biofiber has gain great attention globally because these materials are abundant, inexpensive, renewable, and sustainable. Generally, the conversion of biomass and biofiber ... -
Radiation Effects in Materials. Chapter 14: Ion Bombardment-Induced Surface Effects in Materials
(INTECH Open Access Publisher, 2016)This chapter deals with the experimental research and computer simulation of low- and medium-energy (E 0 = 1-30 keV) ion collisions on the surface of a solid and of the accompanying effects, namely scattering, sputtering, ... -
Radiation Effects in Materials. Chapter 15: Neutron Irradiation Effects in 5xxx and 6xxx Series Aluminum Alloys: A Literature Review
(INTECH Open Access Publisher, 2016)A literature review on highly irradiated 5xxx and 6xxx series Al alloys is conducted to understand the expected changes in mechanical properties of high flux reactor (HFR) vessel material in relation with microstructural ... -
Radiation Effects in Materials. Chapter 16: A Parallel between Laser Irradiation and Relativistic Electrons Irradiation of Solids
(INTECH Open Access Publisher, 2016)The investigation of the thermal field distribution in a material sample irradiated by a laser beam or an electron beam with the energy of a few MeV appears as a demand for all kinds of experiments that involve irradiation. ... -
Radiation Effects in Materials. Chapter 17: Nanostructuring of Material Surfaces by Laser Ablation
(INTECH Open Access Publisher, 2016)Irradiation of materials such as iron and silicon with single nanosecond laser pulses produces nanostructures on its surfaces. Nevertheless, the deposition before irradiation of thin films on the surface of the silicon ... -
Radiation Effects in Materials. Chapter 1: Effects of Electron Irradiation Upon Absorptive and Fluorescent Properties of Some Doped Optical Fibers
(INTECH Open Access Publisher, 2016)A review of the recent studies of the effect of irradiating silica-based fibers doped with rare earths and metals by a beam of high-energy (β) electrons is presented. Of the review’s main scope are the attenuation spectra’ ... -
Radiation Effects in Materials. Chapter 2: Radiation Effects in Optical Materials and Photonic Devices
(INTECH Open Access Publisher, 2016)The chapter continues previous reviews on radiation effects in optical fibers and on the use of optical fibers/optical fiber sensors in radiation monitoring, published by InTech in 2010 and 2012, by referring to radiation ... -
Radiation Effects in Materials. Chapter 3: The Impact of Successive Gamma and Neutron Irradiation on Characteristics of PIN Photodiodes and Phototransistors
(INTECH Open Access Publisher, 2016)The aim of this paper is to explore the impact of increased gamma and neutron radiation on the PIN photodiodes and phototransistors and their output characteristics. Special attention was paid to the successive impact of ... -
Radiation Effects in Materials. Chapter 4: Electron Beam Irradiation Effects on Dielectric Parameters of SiR–EPDM Blends
(INTECH Open Access Publisher, 2016)The survival of an electrical system is mostly governed by the endurance limit of the dielectric material employed in it. The five different compositions of SiR–EPDM blends were prepared. Electron beam radiation has been ... -
Radiation Effects in Materials. Chapter 5: Radiation and Environmental Biophysics: From Single Cells to Small Animals
(INTECH Open Access Publisher, 2016)In this chapter, two of very unique and novel radiation technologies for modern radiobiology studies are reviewed. First of all, it is concentrated on the developments of accelerator-based particle microbeam system, which ... -
Radiation Effects in Materials. Chapter 6: Radioactivity in Food: Experiences of the Food Control Authority of Basel-City since the Chernobyl Accident
(INTECH Open Access Publisher, 2016)The contamination of our environment and of food with artificial radionuclides originates from several sources. First, nuclear powers spread contamination all over the Northern Hemisphere by carrying out more than 600 ... -
Radiation Effects in Materials. Chapter 7: Radiation Influence on Edible Materials
(INTECH Open Access Publisher, 2016)Innovations in the food industry are shaped both by new technologies available and by society’s requirements. A good knowledge on the chemistry and biological role of the macro-nutrients (proteins, carbohydrates, lipids ... -
Radiation Effects in Materials. Chapter 8: Transient Anions in Radiobiology and Radiotherapy: From Gaseous Biomolecules to Condensed Organic and Biomolecular Solids
(INTECH Open Access Publisher, 2016)This chapter focuses on the fundamental processes that govern interactions of low‐energy (1–30 eV) electrons with biological systems. These interactions have been investigated in the gas phase and within complex arrangements ... -
Radiation Effects in Materials. Chapter 9: Elimination of Potential Pathogenic Microorganisms in Sewage Sludge Using Electron Beam Irradiation
(INTECH Open Access Publisher, 2016)Microbiological analyses on municipal sewage sludge sample treated in a pilot plant process utilizing an electron accelerator with a beam energy of 3 MeV were conducted as a way to show the potential of this technology to ... -
Random noise can help to improve synchronization of excimer laser pulses
(2016)Recently, we have reported on a compact microcontroller-based unit developed to accurately synchronize excimer laser pulses (Mingesz et al. 2012 Fluct. Noise Lett. 11, 1240007 (doi:10.1142/S021947751240007X)). We have shown ... -
Rapid diversification and secondary sympatry in Australo-Pacific kingfishers
(2015)Todiramphus chlorisis the most widely distributed of the Pacific’s ‘great speciators’. Its 50 subspecies constitute a species complex that is distributed over 16 000km from the Red Sea to Polynesia. We present, to our ...