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Sapphire. --- Thermal stresses. --- Failure analysis. --- Twinning. --- Fractures (materials) --- Concentrators. --- Tensile stress. --- Temperature gradients. --- Fractography.
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Ion beams. --- Sapphire. --- Transmission electron microscopy. --- X ray diffraction. --- Single crystals. --- Rhombohedrons. --- Germanium. --- Density measurement. --- Crystal structure.
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Applied arts. Arts and crafts --- private collections [object groupings] --- jewelry --- ruby [mineral] --- sapphire [mineral] --- gems [worked stones] --- juweelkunst --- Babar, Riaz --- Content, Derek J.
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Applying critical race theory to contemporary African American children’s and young adult literature, this book explores one key racial issue that has been overlooked both in race studies and literary scholarship—internalised racism. By systematically examining the issue of internalised racism and its detrimental psychological effects, particularly towards the young and vulnerable, this book defamiliarises the very racial issue that otherwise has become normalised in American racial discourse, reaffirming the relevance of race, racism, and racialisation in contemporary America. Through readings of works by Jacqueline Woodson, Sharon G. Flake, Tanita S. Davis, Sapphire, Rosa Guy, and Nikki Grimes, Suriyan Panlay develops a new critical discourse on internalised racism by studying its effects on marginalised children, its manifestations, and the fictional narrative strategies that can be used to regain and reclaim a sense of self.
Children's literature. Juvenile literature --- American literature --- Literature --- Amerindian literature --- kinderen --- literatuur --- racisme --- Amerikaanse cultuur --- jeugdliteratuur --- Guy, Rosa --- Sapphire --- Woodson, Jacqueline --- Flake, Sharon G. --- Davis, Tanita S. --- Grimes, Nikki --- anno 1900-1999 --- anno 2000-2099 --- United States of America
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Ruby, red corundum, is a gem mineral with mineral properties, gem characteristics and chemistry that are reliant on critical trace element substitutions in its aluminum oxide crystal structure. Ruby has attracted scientific and economic interest. It has already been studied extensively regarding its widespread global distribution and the diversity of its geological associations, as revealed by exploration and exploitation. Researchers are becoming increasingly aware that geographic typing of ruby characteristics and its host assemblages may guide further exploration and provide checks on reputed sources of both rough and cut stones. Genetic pointers, based on fluid and solid mineral inclusions, oxygen and other isotope values and pressure and temperature estimates, have already yielded much genetic information. Rare ruby in mantle xenoliths, TP ~1100o C, 2GPa, epitaxial diamond in ruby and ruby in diamond have special interest. Amid the present extensive documentation on this singular gem mineral, new insights and co-existing associations remain to be discovered. Although ruby largely appears in metamorphic and metasomatic source rocks, newer studies suggest it may also arise from magmatic sources. Age-dating of a range of mineral inclusions in ruby now allows more precise modelling of ruby genesis. Tectonic aspects of ruby genesis related to early collisional plate events on Earth are also a frontier for further understanding. In addition, ruby growth remains an important phase in metamorphic studies of events in some young collisional zones. This Special Issue planned for Minerals aims to attract further studies on this multi-origin gem mineral. Investigations at the ‘economic border’ of ruby and sapphire nomenclature and relevant treatments affecting ruby color will be considered.
Research & information: general --- Earth sciences, geography, environment, planning --- gems --- ruby --- marble --- eskolaite --- Southern Urals --- spinel --- Mogok --- geochronology --- U-Pb dating --- zircon --- zirconolite --- geographic origin determination --- sapphire --- trace elements --- radiogenic isotopes --- linear discriminant analysis --- corundum --- gemology --- geology of gem deposits --- mineralogical association --- geochemistry --- Snezhnoe deposit --- Tajikistan --- Central Pamir --- Muzkol-Rangkul anticlinorium --- in situ U-Pb LA-ICP-MS rutile dating --- oxygen isotopes --- Rb-Sr and Sm-Nd isotopes --- sulfides --- Montepuez --- ruby deposits --- classification --- typology --- magmatism --- metamorphism --- sedimentary --- metasomatism --- fluids --- stable and radiogenic isotopes --- genetic models --- exploration --- gems --- ruby --- marble --- eskolaite --- Southern Urals --- spinel --- Mogok --- geochronology --- U-Pb dating --- zircon --- zirconolite --- geographic origin determination --- sapphire --- trace elements --- radiogenic isotopes --- linear discriminant analysis --- corundum --- gemology --- geology of gem deposits --- mineralogical association --- geochemistry --- Snezhnoe deposit --- Tajikistan --- Central Pamir --- Muzkol-Rangkul anticlinorium --- in situ U-Pb LA-ICP-MS rutile dating --- oxygen isotopes --- Rb-Sr and Sm-Nd isotopes --- sulfides --- Montepuez --- ruby deposits --- classification --- typology --- magmatism --- metamorphism --- sedimentary --- metasomatism --- fluids --- stable and radiogenic isotopes --- genetic models --- exploration
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Signs and Cities is the first book to consider what it means to speak of a postmodern moment in African-American literature. Dubey argues that for African-American studies, postmodernity best names a period, beginning in the early 1970's, marked by acute disenchantment with the promises of urban modernity and of print literacy. Dubey shows how black novelists from the last three decades have reconsidered the modern urban legacy and thus articulated a distinctly African-American strain of postmodernism. She argues that novelists such as Octavia Butler, Samuel Delany, Toni Morrison, Gloria Naylor, Ishmael Reed, Sapphire, and John Edgar Wideman probe the disillusionment of urban modernity through repeated recourse to tropes of the book and scenes of reading and writing. Ultimately, she demonstrates that these writers view the book with profound ambivalence, construing it as an urban medium that cannot recapture the face-to-face communities assumed by oral and folk forms of expression.
American literature --- Postmodernism (Literature) --- African Americans --- City and town life in literature. --- African Americans in literature. --- Afro-Americans in literature --- Negroes in literature --- African American intellectuals --- African American authors --- History and criticism. --- Intellectual life. --- African Americans in literature --- City and town life in literature --- English literature --- Agrarians (Group of writers) --- Intellectual life --- African American authors&delete& --- History and criticism --- Thematology --- anno 1900-1999 --- african-american, literature, black, blackness, race, racism, subjectivity, postmodernism, print literacy, disillusionment, disenchantment, nonfiction, john edgar wideman, sapphire, ishmael reed, gloria naylor, toni morrison, samuel delany, octavia butler, book, reading, writing, oral storytelling, folk narrative, expression, urban, community, voyeurism, spectacle, information age, mediation, american south, heritage, belonging.
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Ruby, red corundum, is a gem mineral with mineral properties, gem characteristics and chemistry that are reliant on critical trace element substitutions in its aluminum oxide crystal structure. Ruby has attracted scientific and economic interest. It has already been studied extensively regarding its widespread global distribution and the diversity of its geological associations, as revealed by exploration and exploitation. Researchers are becoming increasingly aware that geographic typing of ruby characteristics and its host assemblages may guide further exploration and provide checks on reputed sources of both rough and cut stones. Genetic pointers, based on fluid and solid mineral inclusions, oxygen and other isotope values and pressure and temperature estimates, have already yielded much genetic information. Rare ruby in mantle xenoliths, TP ~1100o C, 2GPa, epitaxial diamond in ruby and ruby in diamond have special interest. Amid the present extensive documentation on this singular gem mineral, new insights and co-existing associations remain to be discovered. Although ruby largely appears in metamorphic and metasomatic source rocks, newer studies suggest it may also arise from magmatic sources. Age-dating of a range of mineral inclusions in ruby now allows more precise modelling of ruby genesis. Tectonic aspects of ruby genesis related to early collisional plate events on Earth are also a frontier for further understanding. In addition, ruby growth remains an important phase in metamorphic studies of events in some young collisional zones. This Special Issue planned for Minerals aims to attract further studies on this multi-origin gem mineral. Investigations at the ‘economic border’ of ruby and sapphire nomenclature and relevant treatments affecting ruby color will be considered.
gems --- ruby --- marble --- eskolaite --- Southern Urals --- spinel --- Mogok --- geochronology --- U–Pb dating --- zircon --- zirconolite --- geographic origin determination --- sapphire --- trace elements --- radiogenic isotopes --- linear discriminant analysis --- corundum --- gemology --- geology of gem deposits --- mineralogical association --- geochemistry --- Snezhnoe deposit --- Tajikistan --- Central Pamir --- Muzkol–Rangkul anticlinorium --- in situ U–Pb LA–ICP–MS rutile dating --- oxygen isotopes --- Rb–Sr and Sm–Nd isotopes --- sulfides --- Montepuez --- ruby deposits --- classification --- typology --- magmatism --- metamorphism --- sedimentary --- metasomatism --- fluids --- stable and radiogenic isotopes --- genetic models --- exploration --- n/a --- U-Pb dating --- Muzkol-Rangkul anticlinorium --- in situ U-Pb LA-ICP-MS rutile dating --- Rb-Sr and Sm-Nd isotopes
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This Special Issue reprint presents articles from researchers working on materials processing via electron beams as well as on their characterization, properties, and applications. The articles presented cover various topics, including metal melting and welding, additive manufacturing, electron beam irradiation, electron beam lithography, process modeling, etc.
electron-beam welding --- welded metal structure --- dynamic positioning of an electron beam --- electron beam --- additive manufacturing --- titanium alloys --- wire feed process --- residual stresses --- mechanical properties --- EBI --- γ-ray --- GC-MS --- FT-IR --- larch sapwood --- wood extractives --- melting --- melting temperature --- numerical simulation --- electron beam additive manufacturing --- nanoindentation --- strain rate sensitivity --- creep --- corn starch --- potato starch --- moisture content --- specific heat capacity --- pH --- color parameters --- copper technogenic material --- thermodynamic analysis --- removal efficiency --- patterned sapphire substrate --- electron etching --- gold --- cathodoluminescent analysis --- anisotropy --- light-emitting diodes --- windows --- electron beam welding --- aluminum 6082 --- porosity --- beam figure --- electron-beam lithography --- Monte Carlo method --- proximity function --- electrons scattering --- technogenic Co–Cr–Mo alloy --- electron beam recycling --- refining process --- degree of removal
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This Special Issue reprint presents articles from researchers working on materials processing via electron beams as well as on their characterization, properties, and applications. The articles presented cover various topics, including metal melting and welding, additive manufacturing, electron beam irradiation, electron beam lithography, process modeling, etc.
Research & information: general --- Physics --- electron-beam welding --- welded metal structure --- dynamic positioning of an electron beam --- electron beam --- additive manufacturing --- titanium alloys --- wire feed process --- residual stresses --- mechanical properties --- EBI --- γ-ray --- GC-MS --- FT-IR --- larch sapwood --- wood extractives --- melting --- melting temperature --- numerical simulation --- electron beam additive manufacturing --- nanoindentation --- strain rate sensitivity --- creep --- corn starch --- potato starch --- moisture content --- specific heat capacity --- pH --- color parameters --- copper technogenic material --- thermodynamic analysis --- removal efficiency --- patterned sapphire substrate --- electron etching --- gold --- cathodoluminescent analysis --- anisotropy --- light-emitting diodes --- windows --- electron beam welding --- aluminum 6082 --- porosity --- beam figure --- electron-beam lithography --- Monte Carlo method --- proximity function --- electrons scattering --- technogenic Co–Cr–Mo alloy --- electron beam recycling --- refining process --- degree of removal --- electron-beam welding --- welded metal structure --- dynamic positioning of an electron beam --- electron beam --- additive manufacturing --- titanium alloys --- wire feed process --- residual stresses --- mechanical properties --- EBI --- γ-ray --- GC-MS --- FT-IR --- larch sapwood --- wood extractives --- melting --- melting temperature --- numerical simulation --- electron beam additive manufacturing --- nanoindentation --- strain rate sensitivity --- creep --- corn starch --- potato starch --- moisture content --- specific heat capacity --- pH --- color parameters --- copper technogenic material --- thermodynamic analysis --- removal efficiency --- patterned sapphire substrate --- electron etching --- gold --- cathodoluminescent analysis --- anisotropy --- light-emitting diodes --- windows --- electron beam welding --- aluminum 6082 --- porosity --- beam figure --- electron-beam lithography --- Monte Carlo method --- proximity function --- electrons scattering --- technogenic Co–Cr–Mo alloy --- electron beam recycling --- refining process --- degree of removal
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Sapphire: Material, Manufacturing, Applications provides complete coverage of sapphire crystal growth and fabrication, including important information on the physical, mechanical, and chemical properties. This book considers all known methods for the growth of sapphire and modification of its properties and includes the most exhaustive data on the crystal structure and physical-chemical properties. Written by leading experts in the field of sapphire crystals, this book presents many various applications, including use in quantum electronics, radio electronics, radio engineering, radiolocation, ultrahigh resolution optics, high temperature optics, aircraft applications, atomic power engineering, and microwave engineering. Sapphire: Material, Manufacturing, Applications addresses the unusual, versatile and attractive physical and chemical properties of sapphire, as well as the trends in growth methods, and will be useful to specialists in crystal growth technologies, engineers and scientists who utilize sapphire in their work.
Crystal growing. --- Crystals. --- Sapphire. --- Mineralogy --- Geology --- Earth & Environmental Sciences --- Sapphires. --- Precious stones. --- Gem minerals --- Gemstones --- Jewels --- Semi-precious stones --- Stones, Precious --- Materials science. --- Engineering. --- Electronics. --- Microelectronics. --- Optical materials. --- Electronic materials. --- Materials Science. --- Optical and Electronic Materials. --- Electronics and Microelectronics, Instrumentation. --- Optics, Lasers, Photonics, Optical Devices. --- Characterization and Evaluation of Materials. --- Engineering, general. --- Minerals --- Gemology --- Gems --- Corundum --- Precious stones --- Surfaces (Physics). --- Construction --- Industrial arts --- Technology --- Physics --- Surface chemistry --- Surfaces (Technology) --- Electrical engineering --- Physical sciences --- Optics --- Materials --- Lasers. --- Photonics. --- Material science --- New optics --- Light amplification by stimulated emission of radiation --- Masers, Optical --- Optical masers --- Light amplifiers --- Light sources --- Optoelectronic devices --- Nonlinear optics --- Optical parametric oscillators --- Microminiature electronic equipment --- Microminiaturization (Electronics) --- Electronics --- Microtechnology --- Semiconductors --- Miniature electronic equipment --- Electronic materials
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