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History and Activities of Japan Ergonomics Society during 50 years
( Kazuo Aoki ) 한국감성과학회 2014 춘계학술대회 Vol.2014 No.-
Japan Ergonomics Society (JES) was established in 1964, and we are celebrating the 50th anniversary of our society this year. I introduce the history of our society and the current activity of the society. Membership was 530 people in the establishment of the society and increased rapidly until 1,000 people in the short term. The membership was increased to 2,000 until the mid-1990s, and now the membership is decreased little by little. The international activities of JES were started in 1965 as a member of International Ergonomics Association (IEA) and the triennial Conference of IEA was held at Tokyo in 1982. The other international activity is related to standardization. The 159th technical committee (TC) of International Organization for Standardization (ISO) is named ergonomics and JES became a P-member (active member) of TC 159 in 1986. In 2003, we started the certification of the Professional Ergonomist (CPE) and now we have about 200 Certified Professional Ergonomist endorsed by IEA. I hope a close cooperation of the Asian countries not only in the study of Ergonomics but also in the international activities as IEA, ISO and CPE.
Measurement of Indicated Mean Effective Pressure
TSUCHIYA, Kazuo,AOKI, Mitsuhiko,Tetsuji, KOYAMA,KAWA, Tsunemichi,KAMIMOTO, Takeyuki 경상대학교 공과대학 항공기계공학부 1999 WORKSHOP 자료집 Vol.1999 No.1
A convenient new type digital Pmi meter using a personal computer with A/D and PIO cards was developed. The Pmi meter takes an attention to low frequency harmonics in the range of 10-300 Hz in pressure wave form. It has advantage in the number of computations and accuracy as compared with a conventional method. The accuracy depends on the number of pressure data sampled per cycle, however if the sample numbers more than thirty-six for four cycle engines are selected, the error is kept approximately within 1.2%. It is accurate enough for practical usage. For monitoring Pmi, it is possible to use smaller sample numbers. The Pmi meter developed has possibility as onboard apparatus for engine control.
( Junya Yano ),( Tatsuki Aoki ),( Kazuo Nakamura ),( Kazuo Yamada ),( Shin-ichi Sakai ) 한국폐기물자원순환학회(구 한국폐기물학회) 2015 한국폐기물자원순환학회 3RINCs초록집 Vol.2015 No.-
Hydrogenated biodiesel (HBD) is envisaged as a new type of diesel. Some byproducts of the HBD production process could also replace fossil fuels; therefore, increasing these substitution amounts could contribute to reducing the burden on the environment. The purpose of this study was to clarify the reduction of the environmental burden brought about by combining the HBD production from waste cooking oil with the anaerobic digestion (AD) of food waste. A life cycle assessment (LCA) was conducted, in which a combined functional unit was established, which included “the treatment of the household waste and the waste cooking oil annually generated in Kyoto city” and “running a diesel vehicle for household waste collection.” The base scenario was that all household waste and waste cooking oil were incinerated. The results indicated that compared with the base scenario, utilizing the combined HBD production system and the AD of food waste could bring about a reduction of 41.8% in the integrated environmental effects (global warming, fossil fuel consumption, acidification, and urban air pollution). The reduction of greenhouse gases compared with the base scenario was 18,100 t-CO<sub>2</sub>eq/yr. Substitutions with the byproducts of the HBD production process could reduce greenhouse gas emissions by 1,070 t-CO<sub>2</sub>eq/yr.
Ishii, Naohiro,Fukazawa, Emi,Aoki, Tomoko,Kishi, Kazuo Korean Cleft Palate-Craniofacial Association 2019 Archives of Craniofacial Surgery Vol.20 No.2
Frontotemporal dermoid cysts with a cutaneous sinus tract in the sphenoid bone are rarely found, and furthermore, the spreading of these cysts across the frontal branch of the facial nerve has not been reported. Herein, we present a 5-year-old case of a dermoid cyst successfully resected with preservation of this nerve using a combined extracranial and intracranial approach. This approach is recommended for a safe and radical resection of the lesion and for securing an aesthetic outcome.
Management of Chronic Expanding Haematoma Using Triamcinolone after Latissimus Dorsi Flap Harvesting
Mariko Hamada,Yusuke Shimizu,Noriko Aramaki-Hattori,Tatsuya Kato,Keiko Takada,Marie Aoki,Kazuo Kishi,Tomohisa Nagasao 대한성형외과학회 2015 Archives of Plastic Surgery Vol.42 No.2
Chronic expanding haematoma (CEH) is a rare type of haematoma that enlarges slowly andcontinuously without coagulation. It can occur following surgery because of shear stressinducedbleeding in the scar tissue between the subcutaneous fat and fascia. We present threecases of large chronic CEH that were successfully treated with triamcinolone injections. Threefemale patients developed large chronic CEH at 9 months, 5 years, and 6 years, respectively,after latissimus dorsi flap harvesting for breast reconstruction. Although the condition did notimprove after multiple sessions of haematoma aspiration in the first two patients, it resolvedfollowing a single 40-mg triamcinolone injection along with appropriate compression dressingfor several weeks. In the third patient, triamcinolone was injected immediately after the initialaspiration of the haematoma, and the condition improved considerably. There were no sideeffects in any of the patients. To the best of our knowledge, this is the first report of successfultreatment of large CEH using triamcinolone. Therefore, we suggest that triamcinolone injectionsbe considered for the treatment of CEH.
Management of Chronic Expanding Haematoma Using Triamcinolone after Latissimus Dorsi Flap Harvesting
Hamada, Mariko,Shimizu, Yusuke,Aramaki-Hattori, Noriko,Kato, Tatsuya,Takada, Keiko,Aoki, Marie,Kishi, Kazuo,Nagasao, Tomohisa Korean Society of Plastic and Reconstructive Surge 2015 Archives of Plastic Surgery Vol.42 No.2
Chronic expanding haematoma (CEH) is a rare type of haematoma that enlarges slowly and continuously without coagulation. It can occur following surgery because of shear stress-induced bleeding in the scar tissue between the subcutaneous fat and fascia. We present three cases of large chronic CEH that were successfully treated with triamcinolone injections. Three female patients developed large chronic CEH at 9 months, 5 years, and 6 years, respectively, after latissimus dorsi flap harvesting for breast reconstruction. Although the condition did not improve after multiple sessions of haematoma aspiration in the first two patients, it resolved following a single 40-mg triamcinolone injection along with appropriate compression dressing for several weeks. In the third patient, triamcinolone was injected immediately after the initial aspiration of the haematoma, and the condition improved considerably. There were no side effects in any of the patients. To the best of our knowledge, this is the first report of successful treatment of large CEH using triamcinolone. Therefore, we suggest that triamcinolone injections be considered for the treatment of CEH.
Differences in the Levels of Gastric Cancer Risk Factors Between Nanjing and Minqing Counties, China
Xie, Xiang-Quan,Zheng, Kui-Cheng,Wu, Bing-Shan,Chen, Tie-Hui,Lai, Shan-Rong,Lin, Zai-Sheng,Aoki, Kazuo The Korean Society for Preventive Medicine 2014 Journal of Preventive Medicine and Public Health Vol.47 No.5
Objectives: In Fujian Province, China, gastric cancer is one of the leading causes of mortality among all malignant tumors. Nanjing county and Minqing county are located in inland Fujian and have similar general demographics. However, the adjusted mortality rate of gastric cancer in Minqing was found to be much higher than that in Nanjing. We sought to explore factors associated with this increased risk of gastric cancer between the two counties. Methods: We recruited 231 and 224 residents from Nanjing and Minqing, respectively, and analyzed differences between their dietary habits, Helicobacter pylori infection rates, and concentrations of serum pepsinogen I, pepsinogen II, gastrin-17, and ratio of pepsinogen I:II. Results: Subjects in Minqing had more first-degree relatives who had been diagnosed with upper gastrointestinal tumor, more unhealthy dietary habits, a higher Helicobacter pylori positive rate, and greater proportion of abnormal serum gastrin-17 than those in Nanjing did. Conclusions: The factors that differed between these two counties might indicate that residents in Minqing have a higher risk for developing gastric cancer than those in Nanjing do.
Differences in the Levels of Gastric Cancer Risk Factors Between Nanjing and Minqing Counties, China
Xiang-Quan Xie,Kui-Cheng Zheng,Bing-Shan Wu,Tie-Hui Chen,Shan-Rong Lai,Zai-Sheng Lin,Kazuo Aoki 대한예방의학회 2014 Journal of Preventive Medicine and Public Health Vol.47 No.5
Objectives: In Fujian Province, China, gastric cancer is one of the leading causes of mortality among all malignant tumors. Nanjing county and Minqing county are located in inland Fujian and have similar general demographics. However, the adjusted mortality rate of gastric cancer in Minqing was found to be much higher than that in Nanjing. We sought to explore factors associated with this increasedrisk of gastric cancer between the two counties. Methods: We recruited 231 and 224 residents from Nanjing and Minqing, respectively, and analyzed differences between their dietary habits, Helicobacter pylori infection rates, and concentrations of serum pepsinogen I, pepsinogen II, gastrin-17, and ratio of pepsinogenI:II. Results: Subjects in Minqing had more first-degree relatives who had been diagnosed with upper gastrointestinal tumor, more unhealthydietary habits, a higher Helicobacter pylori positive rate, and greater proportion of abnormal serum gastrin-17 than those in Nanjing did. Conclusions: The factors that differed between these two counties might indicate that residents in Minqing have a higher risk for developinggastric cancer than those in Nanjing do.