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This study reported the development of an advanced shaft furnace, which improved the conventional waste gasification system, and evaluated its performance using operation data and gasification criteria such as cold gas efficiency, carbon conversion ratio, lower heating value, emissions, slag quality, and heavy metal distributions. The coke consumption of the Advance Shaft Furnace was 15.2 kg/t-MSW, which was approximately 1/4 that of the conventional system. The carbon conversion ratio of the Advance Shaft Furnace was 90.7%. Because of higher carbon conversion, the air pollution control residue was reduced from 39.8 kg-t-MSW to 25.3 kg/t-MSW. With the equivalence ratio increasing, carbon monoxide concentration in the syngas decreased and the syngas temperature increased. The other gasification criteria of the advanced shaft furnace were also comparable to the conventional system. The PCDD/DFs emissions from the stack of the advance shaft furnace were 0.0088 ng-TEQ/m3N, which were comparable to that of the conventional system. The total emissions of the PCDD/DFs from the developed system were 3.9 μg-TEQ/t-MSW, indicating that the developed system can contribute to the reduction of the environmental impact. The Advance Shaft Furnace also has the possibility of recovering materials efficiently. Most of the lead, zinc, and chlorine were distributed in the air pollution control residue at rates of 94.9%, 80.4%, and 97.7%, respectively. Most high-boiling-point heavy metals, such as iron and copper, are distributed in metal. These results indicate that the development of the Advance Shaft Furnace can overcome the disadvantages of the conventional system while keeping the advantages, reducing the environmental impact. Furthermore, the application of biomass coke to the advanced shaft furnace can contribute to the decarbonization and carbon neutrality. [ABSTRACT FROM AUTHOR]

An ilmenite-hematite solid solution (Fe2–xTixO3) is one of the candidates for practical magnetic semiconductors with a high Curie temperature. We have prepared well-crystallized epitaxial Fe2–xTixO3 films with a wide range of Ti concentrations—x=0.50, 0.60, 0.65, 0.76, 0.87, and 0.94—on α-Al2O3(001) substrates. The films are prepared by a reactive helicon plasma sputtering technique to evaporate Fe and TiO targets simultaneously under optimized oxygen pressure conditions. The structural characterizations of the films reveal that all films have a single phase of the ordered structure with R3 symmetry, where Ti-rich and Fe-rich layers are stacked alternately along the c axis. All films have large ferrimagnetic moments at low temperature, and room temperature magnetization is clearly observed at x<0.7. The inverse temperature dependence of the resistivities of the films indicates their semiconducting behavior. The film resistivities decrease with decreasing Ti concentration. [ABSTRACT FROM AUTHOR]

Focuses on a study which fabricated copper phthalocyanine (CuPc)-titanium oxide (TiO[subx]) by evaporation. Investigation of the reactive evaporation techniques and their structural and optoelectronic properties; Results of x-ray diffraction and secondary ion mass spetroscopy; Description of the structure of the TiO[subx]; Evidence of the occurrence of electron transfer from CuPc to TiO[subx] at the interfaces.

Marfan syndrome is an autosomal dominant genetic disorder that affects connective tissue and is caused by mutations in the fibrillin 1 gene present at chromosome 15. Aortic aneurysm is its main complication, and along the dilation of the aorta root and its descending portion (60–100%), with secondary aortic insufficiency, it increases risk of acute aortic dissection and death. Coronary artery anomalies affect between 0.3% and 1.6% of the general population and are the second leading cause of sudden death in young adults, especially if the anomalous coronary passes through aorta and pulmonary artery. The anomalous origin of the left main coronary artery in the right Valsalva sinus has a prevalence of 0.02%–0.05% and is commonly related to other congenital cardiac anomalies, such as transposition of great vessels, coronary fistulas, bicuspid aortic valve, and tetralogy of Fallot. Its association with Marfan syndrome is not known, and there is no previous report in the literature. We describe here a case of a female with Marfan syndrome diagnosed with symptomatic anomalous origin of the left coronary artery in the right Valsalva sinus. [ABSTRACT FROM AUTHOR]

This paper addresses the need to systematically design learning content to promote world heritage site preservation awareness. Based on 212 samples from a local university in Luang Prabang, Lao PDR, impact of learning content designed according to Protection Motivation Theory (PMT) is assessed through a repeated-measure t-test. Findings show that PMT-based learning content influences respondents' on threat appraisal and coping appraisal towards the preservation of world heritage site. [ABSTRACT FROM AUTHOR]

Biogenic iron oxides have been collected from a water stream and subsequently magnetically modified using water-based magnetic fluid. Both natural and magnetically modified materials have been characterized in detail using wavelength dispersive X-ray fluorescence spectrometry, X-ray powder diffraction, Mössbauer spectroscopy, electron microscopy and BET surface area measurements. The natural material is composed of 2-line ferrihydrite, forming hollow microtubules-sheaths of Leptothrix ochracea, and detrital components. As a result of the ferrofluid modification, maghemite nanoparticles were identified on the surface of the treated material. The active surface area of the bulk, magnetically-modified sample was 148 m g. The magnetically modified material was tested as inexpensive magnetically responsive adsorbent for the removal of selected organic xenobiotics, namely organic dyes, from aqueous solutions. The observed maximum adsorption capacities ranged between 34.3 and 97.8 mg of dye per 1 g of adsorbent. [ABSTRACT FROM AUTHOR]