While the efforts to control global warming are being strengthened all over the world, expectations for CO 2 Capture, Utilization and Storage (CCUS) technology for coal fired power plants are increasing. IHI has been working on development of oxyfuel-combustion technology since 1989 with the aim of easily capturing and storage CO 2 emitted from coal fired power plants. For the demonstration of oxyfuel-combustion technology, IHI participated in the Callide Oxyfuel Project with collaboration between Australian and Japanese under the financial support of Australian, Queensland state and Japanese governments. In the project, the oxyfuel-combustion process was applied to the existing coal power plant in Queensland, Australia, and demonstration was carried out and successfully completed without any significant technical barrier to commercialization in March, 2015. In Oxyfuel-combustion, the coal-fired boiler is operated with an inlet O 2 content of 27 vol% in order to achieve the same furnace heat transfer as in conventional air-firing. The first outcome of oxyfuel-combustion is a significant reduction in NOx production, typically 60% reduction, measured in mgNOx/MJcoal. The second outcome of oxyfuel-combustion is a reduction in the actual volumetric flow of flue gas, typically a 60% to 70% reduction in gas flow measured as m
A 79-year-old man had a 3.5-year history of edema of the lower extremities of unknown etiology. Abdominal computed tomography showed a soft tissue mass around the abdominal aorta, and the biopsy revealed dense fibrosis with abundant infiltration of IgG4-positive plasma cells. His serum IgG4 level was increased to 188 mg/dL. His lower extremity edema was induced by stenosis of the inferior vena cava (IVC) due to the mass. With a diagnosis of IgG4-related retroperitoneal fibrosis, he was treated with steroid, and the leg edema decreased with improvement of patency of the IVC and reduction of the soft tissue mass.
Background
Postoperative nausea and vomiting (PONV) delays postoperative recovery, prolongs hospital stays, and hinders patients’ return to society, thus making it a major cause of increased healthcare costs. It is also the most troubling postoperative complication in female patients undergoing surgery. However, in Japan, guidelines for the management of PONV have not been established, and the management protocol for PONV is left to each institution and anesthesiologist. Therefore, we developed criteria for intraoperative management of PONV.
Methods
In female surgical patients, the usefulness of the criteria was evaluated by comparing the implementation rate of intraoperative management and PONV incidence before and after the establishment of the criteria. An Apfel simplified score (Apfel score) ≥2 was set as an indication for intraoperative management of PONV.
Results
The implementation rate of intraoperative management increased from 91.2 to 96.0% after the introduction of the criteria. In patients with an Apfel score of 2, the intraoperative management implementation rate significantly increased from 81.1 to 94.7% (p = 0.016), while PONV incidence significantly decreased from 44.6 to 34.1% after the introduction of the criteria (p = 0.040).
Conclusions
The criteria for intraoperative management of PONV increased the implementation rate of intraoperative management and decreased PONV incidence, indicating the usefulness of the criteria.
:The person whose color perception is different with color normals is called as a dichromat. Since typical dichromats have no perception of redness and greenness, impressions of fashion in red and green schemes would be greatly different with ones of color normals. We investigated the change of fashion image impression on color normals wearing the functional filter for optical simulation of dichromats because of the possibility that the impression evaluated by semantic differential method could be influenced not only by the color vision difference but by differences of long-term visual experiences, which may differentiate 'semantic words' usage. As the result, the impression of red, orange, green and purple fashion images were greatly changed with the filter, while little change in yellow and blue images. The impression under the simulated red-green color deficiency indicates the maximum difference and can be the basis of the measurement on dichromats.
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