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Employing electricity-consumption monitoring systems and integrative time-series analysis models： A case study in Bogor, Indonesia

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Frontiers in Energy 2018年第3期12卷 426-439页

作者： Seiya MAKI Shuichi ASHINA minoru fujii Tsuyoshi FUJITA Norio YABE Kenji UCHIDA Gito GINTING Rizaldi BOER Remi CHANDRAN National Institute for Environmental Studies Tsukuba city Ibaraki 305-8506 Japan Fujitsu Company Chiba city 261-8588 Chiba Japan Bogor Agricultural University (IPB) JI Pajajaran No. 1 Bogor West Java16143 Indonesia

The Paris Agreement calls for maintaining a global temperature less than 2℃ above the pre-industrial level and pursuing efforts to limit the temperature increase even further to 1.5℃. To realize this objective and promote a low-carbon society, and because energy production and use is the largest source of global greenhouse-gas （GHG） emissions, it is important to efficiently manage energy demand and supply systems. This, in turn, requires theoretical and practical research and innovation in smart energy monitoring technologies, the identification of appropriate methods for detailed time-series analysis, and the application of these technologies at urban and national scales. Further, because developing countries contribute increasing shares of domestic energy consumption, it is important to consider the application of such innovations in these areas. Motivated by the mandates set out in global agreements on climate change and low-carbon societies, this paper focuses on the development of a smart energy monitoring system （SEMS） and its deployment in house- holds and public and commercial sectors in Bogor, Indonesia. An electricity demand prediction model is developed for each device using the Auto-Regression eXogenous model. The real-time SEMS data and time- series clustering to explore similarities in electricity consumption patterns between monitored units, such as residential, public, and commercial buildings, in Bogor is, then, used. These clusters are evaluated using peak demand and Ramadan term characteristics. The resulting energy- prediction models can be used for low-carbon planning.

关键词： electricity monitoring electricity demandprediction multiple-variable time-series modeling time-series cluster analysis Indonesia

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Carbon footprint assessment for the waste management sector： A comparative analysis of China and Japan

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Frontiers in Energy 2018年第3期12卷 400-410页

作者： Lu SUN Zhaoling LI minoru fujii Yasuaki HIJIOKA Tsuyoshi FUJITA Department of Environment Systems Graduate School of FrontierSciences The University of Tokyo 5-1-5 Kashiwanoha Kashiwa-shiChiba 277-8563 Japan Center for Social and Environmental Systems Research NationalInstitute for Environmental Studies (NIES) 16-20nogawa TsukubaIbaraki 305-8506 Japan Graduate School of Life and Environmental Sciences University ofTsukuba Tsukuba lbaraki 305-8506 Japan

Waste management is becoming a crucial issue in modem society owing to rapid urbanization and the increasing generation of municipal solid waste （MSW）. This paper evaluates the carbon footprint of the waste management sector to identify direct and indirect carbon emissions, waste recycling carbon emission using a hybrid life cycle assessment and input-output analysis. China and Japan was selected as case study areas to highlight the effects of different industries on waste management. The results show that the life cycle carbon footprints for waste treatment are 59.01 million tons in China and 7.01 million tons in Japan. The gap between these footprints is caused by the different waste management systems and treatment processes used in the two countries. For indirect carbon footprints, China＇s material carbon footprint and deprecia- tion carbon footprint are much higher than those of Japan, whereas the purchased electricity and heat carbon footprint in China is half that of Japan. China and Japan have similar direct energy consumption carbon footprints. However, CO2 emissions from MSW treatment processes in China （46.46 million tons） is significantly higher than that in Japan （2.72 million tons）. The corresponding effects of waste recycling on CO2 emission reductions are consider- able, up to 181.37 million tons for China and 96.76 million tons for Japan. Besides, measures were further proposed for optimizing waste management systems in the two countries. In addition, it is argued that the advanced experience that developed countries have in waste management issues can provide scientific support for waste treatment in developing countries such as China.

关键词： waste management waste recycling carbon footprint hybrid LCA

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Proliferation of district heating using local energy resources through strategic building-stock management： A case study in Fukushima, Japan

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Frontiers in Energy 2018年第3期12卷 411-425页

作者： Yi DOU Keijiro OKUOKA minoru fujii Hiroki TANIKAWA Tsuyoshi FUJITA Takuya TOGAWA Liang DONG Center for Social and Environmental Systems Research NationalInstitute for Environmental Studies (NIES) 16-20nogawa TsukubaIbaraki 305-8506 Japan Graduate School of Environmental Studies Nagoya University Furo-cho Chikusa-ku Nagoya 464-8601 Japan Graduate School of Environmental Studies Nagoya University Furocho Chikusa-ku Nagoya 464-8601 Japan Center for Social and Environmental Systems Research NationalInstitute for Environmental Studies (NIES) 16-20nogawa TsukubaIbaraki 305-8506 Japan Fukushima Branch National Institute for Environmental Studies (NIES)10-2 Fukasaku Miharu-machi Tamura-gun Fukushima 963-7707Japan Center for Social and Environmental Systems Research NationalInstitute for Environmental Studies (NIES) 16-2 Onogawa TsukubaIbaraki 305-8506 Japan CML Leiden University Leiden the Nether-lands

District heating systems using cogeneration technology and renewable resources are considered as an effective approach to resources conservation and reduction of greenhouse gas （GHG） emissions. However, wide- spread aging and depopulation problems, as well as the popularization of energy-saving technologies in buildings, are estimated to greatly decrease energy consumption, leading to inefficiency in district heating and barriers to technology proliferation. From a long-term perspective, land use changes, especially the progression of compact city plans, have the potential to offset the decrement in energy consumption that maintains the efficiency of district heating systems. An integrated model is developed in this paper based on building cohort analysis to evaluate the economic feasibility and environmental impact of introdu- cing district heating systems to a long-term compact city plan. As applied to a case in the Soma Region of Fukushima, Japan, potential migration from the suburbs to the central station districts is simulated, where district heating based on gas-fired cogeneration is expected to be introduced. The results indicate that guided migration to produce concentrated centers of population can substan- tially increase the heat demand density, which supports a wider application of district heating systems and better low-carbon performance. These results are further dis- cussed in relation to technology innovation and related policies. It is concluded that policies related to urban land use planning and energy management should be integrated and quantitatively evaluated over the long-term with the aim of supporting urban low-carbon sustainable develop- ment.

关键词： building stock compact city district beating energy use Fukushima

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Expert networks as science-policy interlocutors in the implementation of a monitoring reporting and verification （MRV） system

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Frontiers in Energy 2018年第3期12卷 376-388页

作者： Remi CHANDRAN Tsuyoshi FUJITA minoru fujii Shuichi ASHINA Kei GOMI Rizaldi BOER Muhammad ARDIANSYAH Seiya MAKI Center for Social and Environmental System Research National Institutefor Environmental Studies Tsukuba Japan Centre for Climate Risk and Opportunity Management in Southeast Asiaand Pacific (CCROM-SEAP) Bogor Agricultural University (IPB)Bogor Indonesia

The Paris Agreement, which entered into effect in 2016, emphasizes a definite timeline for communicating and maintaining successive nationally determined con- tributions （NDCs） that it plans to achieve in addressing climate change. This calls for the development of a measurement, reporting and verification （MRV） system and a Capacity-building Initiative for Transparency （CBIT）. Though such actions are universally accepted by the Parties to the Paris Agreement, earlier studies have shown that there remain technological, social, political and financial constrains which will affect the development and deployment of such a system. In this paper, using a case study on MRV implementation in Bogor City in Indonesia, how the above-mentioned challenges can be overcome is outlined through a technological and policy innovation process where scientists and technologists （collectively referred as expert networks） can join hands with local governments and national policy makers in designing, development and implementation of an MRV system that meets the local, national and global requirements. Through the case study it is further observed that expert networks can act as interactive knowledge generators and policy interlocutors in bridging technology with policy. To be specific, first, a brief history of the international context of MRV and CBIT is outlined. Next, the theoretical under- pinning of the study is contextualized within the existing theories related to public policy and international relations. Finally, the case study is outlined and investigated where the engagement of an expert-network and policy makers in the design, development and implementation of an MRV tool is showcased.

关键词： MRV CBIT UNFCCC Indonesia Japan ICT based monitoring climate policy

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日本建筑材料市场的动向

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建筑创作 2005年第4期 122-125页

作者：藤井实日本建筑材料协会

日本建筑材料协会日本建筑材料协会是通过国土交通省、经济产业省认可的具有全国性规模的公益法人,主要以建筑材料生产厂家、销售公司、施工公司等与建材相关的企业为主体,在日本国内会员数已超过300家公司.协会于1934年成立,约有70年... 详细信息

日本建筑材料协会日本建筑材料协会是通过国土交通省、经济产业省认可的具有全国性规模的公益法人,主要以建筑材料生产厂家、销售公司、施工公司等与建材相关的企业为主体,在日本国内会员数已超过300家公司.协会于1934年成立,约有70年的历史.现在,正致力于新时代建材的开发、启蒙与普及以及会员企业和建筑业的进步、发展贡献着力量.同时还积极参与公益活动.

关键词：日本建筑材料市场有害物质防火涂料技术性能室内环境

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Natural purification effects in the river in consideration with domestic wastewater pollutant discharge reduction effects

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Journal of Environmental Sciences 2010年第6期22卷 892-897页

作者： Yoshiaki Tsuzuki Masato fujii Yasuo Mochihara Kouki Matsuda minoru Yoneda Research Center for Coastal Lagoon Environments Shimane University Ministry of Land InfrastructureTransportation and Tourism Environmental Engineering Graduate School of EngineeringKyoto University

The first social experiment program in Japan to reduce domestic wastewater pollutant discharge by ＂soft interventions＂ in households has been conducted in the Yamato-gawa River drainage area since 2005. The Yamato-gawa River has been listed as one of the worst water quality rivers in Japan because of the larger annual average BOD. ＂Hard interventions＂ including deployment of wastewater treatment facilities and artificial installation of natural purification facilities in the river has been conducted in these years to improve river water quality. At the first Yamato-gawa River social experiment program （YR-SEP） in March 2005, BOD at the monitoring point near the river mouth decreased about 6% during the Program. Natural purification effect along the river was evaluated in this article with one-dimensional water quality model for the six river sections. Larger biological oxygen consumption rate, kb, was estimated in the sections with artificially installed natural purification facilities. The effect of ＂soft interventions＂ in households in the YR-SEP was estimated as 25% BOD decrease in the nearest monitoring point to the river mouth, when all the households participate in the Program and BOD discharge reduction rate with ＂soft interventions＂ in households was 40%.

关键词： Yamato-gawa River "soft interventions" in households one-dimensional water quality model

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Two cases of pancreatic ductal adenocarcinoma with intrapancreatic metastasis

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World Journal of Gastroenterology 2016年第41期22卷 9222-9228页

作者： Yusuke Fujita minoru Kitago Yohei Masugi Osamu Itano Masahiro Shinoda Yuta Abe Taizo Hibi Hiroshi Yagi Yoko fujii-Nishimura Michiie Sakamoto Yuko Kitagawa Department of Surgery Keio University School of Medicine Department of Pathology Keio University School of Medicine

There are no standardized diagnostic criteria for intrapancreatic metastasis of pancreatic ductal adenocarcinoma(PDAC). Here, we report two cases of patients with PDAC who were pathologically diagnosed as harboring intrapancreatic metastasis. In both cases, the main lesions were located in the pancreatic body, and no other lesion was detected preoperatively. The patients were diagnosed with pancreatic body cancers and distal pancreatectomy was performed. Pathological findings revealed microscopic cancer nests, which had connections to neither the main lesion nor the premalignant lesion in the pancreatic tail parenchyma. In both cases, the histological type of the daughter lesion was quite similar to that of the main lesion. Hence, we diagnosed the daughter lesions as metastatic foci in the pancreas. Although intrapancreatic metastasis of PDAC has been regarded as a poor prognostic factor, few reports of intrapancreatic metastasis are available. This article reports two such cases and provides a review of the literature.

关键词： Carcinoma Pancreatic ductal Neoplasm micrometastasis Recurrence Carcinogenesis

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Stratifying the risk of lymph node metastasis in undifferentiated-type early gastric cancer

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World Journal of Gastroenterology 2015年第9期21卷 2683-2692页

作者： Yukiko Asakawa Masahiko Ohtaka Shinya Maekawa Mitsuharu Fukasawa Yasuhiro Nakayama Tatsuya Yamaguchi Taisuke Inoue Tomoyoshi Uetake minoru Sakamoto Tadashi Sato Yoshihiko Kawaguchi Hideki fujii Kunio Mochizuki Masao Hada Toshio Oyama Tomotaka Yasumura Kosaku Omata Atsushi Nishiyama Keiichi Naito Hideo Hata Yoshiaki Haba Kazuyuki Miyata Haruhisa Saitoh Yoichi Yamadera Kazuo Miura Akira Kawaoi Tohru Abe Hajime Tsunoda Yuji Honda Masayuki Kurosaki Nobuyuki Enomoto First Department of Internal Medicine Faculty of MedicineUniversity of YamanashiYamanashi 409-3898Japan First Department of Surgery Faculty of MedicineUniversity of YamanashiYamanashi 409-3898Japan Department of Pathology Faculty of MedicineUniversity of YamanashiYamanashi 409-3898Japan Department of Surgery Yamanashi Prefectural Central HospitalYamanashi 400-8506Japan Department of Pathology Yamanashi Prefectural Central HospitalYamanashi 400-8506Japan Department of Surgery Social Insurance Yamanashi HospitalYamanashi 400-0025Japan Department of Pathology Social Insurance Yamanashi HospitalYamanashi 400-0025Japan Department of General Surgery Kofu Kyoritsu HospitalYamanashi 400-0034Japan Department of Pathology Kofu Kyoritsu HospitalYamanashi 400-0034Japan Department of Surgery Kofu Municipal HospitalYamanashi 400-0832Japan Department of Pathology Kofu Municipal HospitalYamanashi 400-0832Japan Department of Surgery Yamanashi Kosei HospitalYamanashi 405-0033Japan Department of Surgery Kanoiwa General HospitalYamanashi 405-0018Japan Department of Pathology Kanoiwa General HospitalYamanashi 405-0018Japan Department of Surgery Social Insurance Kajikazawa HospitalYamanashi 400-0601Japan Department of Surgery Kofu National HospitalYamanashi 400-0006Japan Department of Surgery Fujiyoshida Municipal Medical CenterYamanashi 403-0005Japan Division of Gastroenterology and Hepatology Musashino Red Cross HospitalTokyo 180-0023Japan

AIM:To study how lymph node metastasis(LNM) risk is stratified in undifferentiated-type early gastric cancer(undiff-EGC) dependent on combinations of risk ***:Five hundred and sixty-seven cases with undiff-EGC undergoing gastrectomy with lymphadenectomy were examined *** clinicopathological factors of patient age,location,size,an endoscopic macroscopic tumor form,ulceration,depth,histology,lymphatic involvement(LI) and venous involvement(VI),LNM risk was examined and stratified by conventional statistical analysis and datamining ***:LNM was positive in 44 of 567 cases(7.8%).Univariate analysis revealed > 2 cm,protrusion,submucosal(sm),mixed type,LI and VI as significant prognostic factors and > 2 cm and LI-positive were independent factors by multivariate *** preoperatively evaluable factors excluding LVI,sm and > 2 cm were independent *** to the depth and size,cases were categorized into the low-risk group [m and ≤ 2 cm,0%(LNM incidence)],the moderaterisk group(m and > 2 cm,5.6%; and sm and ≤ 2 cm,6.0%),and the high-risk group(sm and > 2 cm,19.3%).On the other hand,LNM occurred in 1.4% in all LI-negative cases,greatly lower than 28.2% in all LI-positive cases,and LNM incidence was low in LInegative cases even in the moderate- and high-risk ***:LNM-related factors in undiff-EGC were depth and size preoperatively while those were LI and size *** these factors,LI was the most significantly correlated factor.

关键词： Undifferentiated-type early gastric cancer Lymph n

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