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Arsenic Polluted Groundwater and Its Countermeasures in the Middle Basin of the Ganges, Uttar Pradesh State, India

Journal of Environmental Protection 2012年第8期3卷 856-862页

作者： Yasunori Yano Kenichi Ito akihiko Kodama Koichiro Shiomori Shigeki Tomomatsu Mitsuhiro Sezaki Hiroshi Yokota Center for International Relations University of Miyazaki Japan Faculty of Engineering University of Miyazaki Japan Retec Engineering INC Japan University of Miyazaki Miyazaki Japan

The arsenic contamination of groundwater in Uttar Pradesh State was first recognized in 2003 and is now seen at 20 Districts out of 70 Districts. University of Miyazaki has performed the arsenic mitigation project in Bahraich District, severest arsenic-affected one in the 20 Districts, from June 2008 until now, with JICA (Japan International Cooperation Agency). The integrated mitigation, such as the raising awareness of villager, installing of alternative water supply units and healthcare of arsenocosis patients, have been executed at the 2 villages. The symptom of the arsenocosis patients was not so severe, which will be, therefore, improved by drinking arsenic-safe water supplied through arsenic removal units, installed by this project. In this paper, following results is discussed for the situation and mechanism of arsenic contamination of groundwater, objected in connection with the installation of arsenic removal units: 1) Groundwater is almost contaminated with arsenic in deep tubewell (depth: about 30 m), but scarcely in shallow tubewell (depth: about 10 m);2) Arsenic contaminated groundwater is under the reduced condition with the oxidized condition for no-arsenic contaminated groundwater;3) Arsenic concentration shows almost linear correlation with concentrations of Fe2+ and -N;4) Ground is composed of sand with high arsenic content at around 25 m depth;5) Arsenic exists mainly in the phase of reducible fraction or weak acid soluble fraction but no oxidizable fraction in the ground.

关键词： Arsenic Contamination Ganges Groundwater Soil Mechanism Removal

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A Minimally Invasive Surgery for Bone Metastases Using the Combination of Photodynamic Therapy and Hyperthermia Treatment

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International Journal of Clinical Medicine 2013年第8期4卷 357-363页

作者： Takao Matsubara akihiko Matsumine Katsuyuki Kusuzaki Kunihiro Asanuma Tomoki Nakamura Atsumasa Uchida Akihiro Sudo Department of Orthopaedic Surgery Kujo Hospital Kyoto Japan Department of Orthopaedic Surgery Mie Graduate School of Medicine Mie Japan

Cancer patients with bone metastases in their extremities may require surgical intervention to prevent deterioration in their quality of life due to a pathological fracture or severe bone pain. However, curative surgical interventions sometimes have severe complications due to the status of the original cancers. To avoid the decreased quality of life caused by bone metastasis, minimally invasive surgery that avoids additional surgical morbidity is required. We have established two therapeutic treatments for bone metastasis, a photodynamic acridine orange treatment (AOT) and an electronic magnetic hyperthermia treatment (EMHT). The present study investigated the clinical outcomes of combination therapy with EMHT and AOT for patients with bone metastases in their extremities. Methods: The study included 6 patients with 7 bone cancer metastasis locations. For bone metastases, all patients received intraregional tumor excision supported by AOT, in which photodynamic and radiodynamic therapy kills tumor cells during surgery with minimal damage to normal tissues. After the curettage, bone reconstruction was performed by using magnetic materials with calcium phosphate cement. EMHT was repeatedly performed after surgery. In EMHT, tumor cells are killed with an electric magnetic field generator, and bony union is promoted by electronic stimulation. Results: The mean duration of follow-up was 14 months. During the follow-up period, only one patient experienced a local recurrence, and this recurrence occurred 14 months after surgery. Bony union occurred in 4 of 5 cases (80%), and the pain score was significantly reduced after surgery. Conclusions: In the present study, AOT reduced the invasiveness of surgery. EMHT reduced the tumor growth without major complications and promoted bone formation after surgery. Our clinical results confirmed that EMHT and AOT combination therapy for bone metastasis can preserve limb function without local recurrence or bone absorption.

关键词： Photodynamic Therapy Minimal Invasive Surgery Hyperthermia Treatment Acridine Orange Bone Metastasis

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Heat Transfer Characteristics of Work Fluid Including Phase Change Material That Flow into Heating Surface from Narrow Path

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Open Journal of Fluid Dynamics 2014年第5期4卷 454-462页

作者： Shin-Ichi Morita Yasutaka Hayamizu Takanobu Yamada akihiko Horibe Naoto Haruki Toshiaki Setoguchi Kazuma Adachi Department of Mechanical Engineering National Institute of Technology Yonago College Yonago Japan Department of Mechanical Engineering Kitami Institute of Technology Kitami Japan Graduate School of Natural Science and Technology Okayama University Okayama Japan Department of Advanced Technology Fusion Saga University Saga Japan Graduate School of Machine Creative Engineering Nagaoka University of Technology Nagaoka Japan

Use of the low temperature (less than 100°C) energy contributes to effective use of heat resources. The cost recovery by power generation is difficult by using an existing system (the binary cycle or the thermoelectric conversion element), because the initial investment is large. The final purpose of this research is development of the low temperature difference drive engine supposing use in a hot-springs resort as a power source for electric power generation. In order that a traveler may look at and delight a motion of an engine, it is made to drive at low-speed number of rotations. An engine cycle of this study is aimed at the development of Stirling cycle engine which can maintain high efficiency in small size. This kind of engine has simple structure;it brings low cost, and it is easy to perform maintenance. However, it is difficult to obtain enough output by this type of engine, because of its low temperature difference. This paper deals with the heat transfer characteristic that the working fluid including a phase change material flows into the heating surface from the narrow path. In order to increase the amount of the heat transmission, Diethylether is added to the working fluid. Diethylether is selected as a phase change material (PCM) that has the boiling point which exists between the heat source of high temperature and low temperature. The parameters of the experiment are additive amount of PCM, rotational speed of the displacer piston and temperature of heat transfer surface. It is shown that it is possible to make exchange of heat amount increase by adding phase change material. The result of this research shows the optimal condition of the difference in temperature in heat processing, number of revolutions, and addition concentration of PCM.

关键词： Phase Change Material Heat Transfer Low Temperature Difference Working Fluid

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利用频域时钟抖动分析加快设计验证过程

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电子质量 2007年第9期 8-10页

作者： Agilent Technologies akihiko Oginuma 安捷伦科技

随着数据速率的提高,时钟抖动分析的需求也在与日俱增。本文探讨参考了时钟的作用和时钟抖动对数据抖动的影响,并讨论在E5052B信号源分析仪(SSA)上运行的AgilentE5001A精确时钟抖动分析应用软件所配备的全新测量技术。

关键词： E5052B SSA 时钟抖动

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Reconstruction Using a Free Vascularized Fibular Graft after Frozen Autograft Reconstruction for Osteosarcoma of the Distal Tibia: A Case Report

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Modern Plastic Surgery 2013年第1期3卷 47-50页

作者： Seigo Suganuma Kaoru Tada Norio Yamamoto Toshiharu Shirai Katsuhiro Hayashi akihiko Takeuchi Hiroyuki Tsuchiya Department of Orthopaedic Surgery Graduate School of Medical Science Kanazawa University Kanazawa Japan

Recently we have been performing biological reconstruction for malignant bone tumors of the extremities using frozen autografts. Here we present a case treated with free vascularized fibular graft (FVFG) after this method. A 23-year-old man developed osteosarcoma in his left distal tibia. There was nonunion after frozen autograft reconstruction, which we treated with FVFG. Twenty-four months later, bridging between the host bone and the frozen autograft was achieved. Our department has achieved bone union in almost all cases, but we sometimes encounter cases of nonunion after this method because of delayed blood supply. In these instances, reconstruction using FVFG may represent an attractive choice for salvage treatment.

关键词： Free Vascularized Fibular Graft Frozen Autograft Reconstruction Malignant Bone Tumor

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Congenital tracheoesophageal fistula successfully diagnosed by CT esophagography

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World Journal of Gastroenterology 2006年第9期12卷 1476-1478页

作者： Koichi Nagata Yoshito Kamio Tamaki Ichikawa Mitsutaka Kadokura akihiko Kitami Shungo Endo Haruhiro Inoue Shin-Ei Kudo Digestive Disease Center Showa University Northern Yokohama Hospital 35-1 Chigasaki-chuoTsuzuki-kuYokohama 224-8503 Japan Respiratory Disease Center Showa University Northern Yokohama Hospital 35-1 Chigasaki-chuoTsuzuki-kuYokohama 224-8503Japan Department of Radiology Showa University Northern Yokohama Hospital 35-1 Chigasaki-chuoTsuzuki-kuYokohama 224-8503Japan Digestive Disease Center Showa University Northern Yokohama Hospital 35-1 Chigasaki-chuoTsuzuki-kuYokohama 224-8503Japan

Tracheoesophageal 管(TEF ) 或 bronchoesophageal 管可能对损伤先天、煽动性、肿瘤，或第二等。先天的 TEF 或 bronchoesophageal 管通常与食道的闭锁被联系并且乐意地在幼年期被诊断。但是如果它没与食道的闭锁被联系，它可以坚持直... 详细信息

Tracheoesophageal 管(TEF ) 或 bronchoesophageal 管可能对损伤先天、煽动性、肿瘤，或第二等。先天的 TEF 或 bronchoesophageal 管通常与食道的闭锁被联系并且乐意地在幼年期被诊断。但是如果它没与食道的闭锁被联系，它可以坚持直到成人生活。一些理论被建议了在诊断解释这延期。我们在场有先天的 TEF 的一个 70 岁的人的一个盒子。TEF 被 multidetector 排 CT esophagography 成功地诊断。

关键词：先天性气管疾病食管疾病 CT检查内窥镜

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The effect of cigarette smoking on flexibility in Japanese

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Health 2012年第9期4卷 570-573页

作者： Kanae Oda Nobuyuki Miyatake Noriko Sakano Takeshi Saito akihiko Katayama Kenji Nishii Takeyuki Numata Department of Hygiene Faculty of Medicine Kagawa University Kagawa Japan Okayama Health Foundation Hospital Okayama Japan Okayama Southern Institute of Health Okayama Health Foundation Okayama Japan

To investigate the link between cigarette smoking and flexibility in the Japanese population, we used data of 4234 men and 9169 women, aged 20-79 years, in this cross-sectional investigation study. Flexibility such as sit and reach were measured. In addition, habits of cigarette smoking and exercise were obtained by well-trained medical staff. The effect of cigarette smoking on flexibility was evaluated. A total of 1613 men (38.1%) and 995 women (10.9%) were having habits of cigarette smoking. Flexibility in men was decreased with aging and that in women increased with aging under 60’s. Flexibility in subjects with cigarette smoking was significantly lower than that in subjects without cigarette smoking even after adjusting for age and exercise habits in both sexes. Cigarette smoking might be modifiable factor of flexibility in the Japanese.

关键词： Cigarette Smoking Flexibility Exercise Habits

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Complete laparoscopic resection of the rectum using natural orifice specimen extraction

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World Journal of Gastroenterology 2014年第44期20卷 16707-16713页

作者： Masayuki Hisada Kenji Katsumata Tetsuo Ishizaki Masanobu Enomoto Takaaki Matsudo Kazuhiko Kasuya akihiko Tsuchida Department of Digestive Surgery and Pediatric Surgery Tokyo Medical University

AIM: To investigate how complete laparoscopic anterior resection with natural orifice specimen extraction(NOSE), as a novel minimally invasive surgery, compares to conventional laparoscopic ***: Twenty patients who underwent complete laparoscopic anterior resection with NOSE and 50 patients who underwent laparoscopic assisted anterior resection by the conventional method between 2011 and 2012 were studied. Selection for complete laparoscopic anterior resection with NOSE was decided on the basis of tumor size, localization of the tumor, and body mass index. Outcomes related to surgery, including operation time, postoperative wound pain, hospital stay after surgery, the number of totally dissected lymph nodes, postoperative complications(suture failure and wound infection), and anal function, were reviewed retrospectively. Anal function was assessed at 3 and 6 mo after surgery using the Wexner fecal incontinence scoring ***: Complete laparoscopic resection with NOSE was performed to completion in all 20 patients. There was no patient emergency that required conversion to conventional laparoscopic surgery or open surgery. The comparison between complete laparoscopic resection with NOSE and conventional laparoscopic surgery showed no significant differences in the maximal diameter of the tumor, number of totally dissected lymph nodes, bleeding volume, mean operation time, time to start of oral ingestion, postoperative hospital stay, and postoperative complications. On the other hand, with regard to pain after epidural anesthesia, the total usage of analgesia in this novel surgical technique was 1.85 ± 1.8 times, whereas it was 5.89 ± 2.86 in conventional laparoscopic surgery(P < 0.001). The postoperative pain period was 1.9 ± 1.9 d in this novel surgical technique, whereas it was 3.43 ± 1.41 d in conventional laparoscopic surgery(P < 0.004). In complete laparoscopic surgery with NOSE, the mean postoperative follow-up period was 20 mo(range: 12-30

关键词： Complete laparoscopic surgery Incisionless surgery

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Effect of Thermal Drilling Condition on Burring in Ultrahigh Strengh TRIP Sheet Steels

Effect of Thermal Drilling Condition on Burring in Ultrahigh...

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第六届国际低合金高强度钢会议

作者： akihiko Nagasaka Takuya Matsushima Shun Hasebe Koh-ichi Sugimoto Toshio Murakami Nagano National College of Technology 716TokumaNaganoNagano 381-8550Japan Shinshu University 4-17-1 WakasatoNaganoNagano 380-8553Japan Material Design Research Section Material Research LaboratoryKobe SteelLtd.1-5-5 TakatsukadaiNishi-kuKobeHyogo 651-2271Japan

＜正＞Effect of thermal drilling condition on burring of 0.2C-（1.0-2.5）Si-（1.0-2.0）Mn（mass%） ultrahigh strength TRIP-aided sheet steels with polygonal ferrite matrix（TDP steels） was investigated for automotive *** combined rotational and downward force of the thermal drilling tool bit created friction *** height of the bushing was roughly 3 to 4 times the initial sheet *** bushings are ideal for thread applications,as the strength of threads was significantly *** found that the burring and tapping contributed to the improvement of the tensile strength of 980 MPa class TRIP steel.

关键词： TRIP sheet steel burring tapping thermal drilling

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Interaction between Primary Care Physicians and Specialists for Diagnosis and Management of Hypersensitivity Pneumonitis

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International Journal of Clinical Medicine 2011年第4期2卷 444-451页

作者： Keiko Morii Kozo Yoshimori Miyako Sudo Hideo Ogata Masao Okumura akihiko Gemma Shoji Kudoh Kozui Kida 不详

Objective: Hypersensitivity pneumonitis (HP) may be a complex syndrome rather than a single, uniform disease entity. The problems associated with HP treatment include a lack of awareness of primary care procedures and scarcity of recent information regarding HP. The main objective of this study was to investigate the problems in the interaction between primary care physicians and chest specialists. Data source: All available clinical records of cases at the Fukujuji Chest Hospital, Tokyo, between 1994 and 2005, supervised by specialists of a university hospital. Study selection: All cases suspected of HP during the period. Results: Nine cases were excluded because of insufficient records or because they did not satisfy the clinical criteria. Twenty-eight enrolled patients (14 men and 14 women;mean age, 53.0 years) were initially treated for respiratory infections by primary care physicians. The final HP types were summer-type (n = 18), bird fancier’s lung (n = 2), ventilation-related (n = 3), or undetectable antigen (n = 5). On the basis of the interval between the onset of initial symptoms and the time of referral to our hospital, the cases can be categorized into 3 groups, which may represent acute, subacute, and chronic HP. Conclusion: All patients initially received treatment on the basis of a different diagnosis at primary evaluation. We concluded that interaction between primary care physicians and chest specialists is essential for solving problems associated with the early diagnosis and adequate treatment of HP.

关键词： Biopsy Connection Computed Tomography Criteria Pneumonitis

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