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Field survey of a sustainable sanitation system in a residential house

Journal of Environmental Sciences 2006年第6期18卷 1088-1093页

作者： Naoko NAKAGAWA Masahiro OTAKI shinji miura Hironobu HAMASUNA Katsuyoshi ISHIZAKI Department of Human Environmental Sciences Ochanomizu University2-1-1OtsukaBunkyo-KuTokyo 112-8610Japan. City Maintenance Technical Research Center 2-9-23ShinjuShinjuku-KuTokyo 160-0023Japan Nagasaki Institute of Applied Science 536Abama-choNagasaki-shiNagasaki Pref.851-0123Japan Research Institute for a Sustainable Future Waseda University513 Tsurumaki-ChouWasedaShinjuku-KuTokyo 169-8050Japan

Sustainable sanitation is an approach for more ecological and sustainable water resources management. In this paper, we proposed one of the new integrated waste treatment systems： an ＂sustainable sanitation system＂ that includes separation of the black water from water system by a non-flushing toilet （bio-toilet）, and a gray water treatment based on a biological and ecological concept. Sustainable sanitation system also converts the domestic waste to soil conditioners and fertilizers, for farmland use. As one of the case studies, Environmentally Symbiotic Housing in which people actually live using the bio-toilet for the black water treatment and the household wastewater treatment facility for the gray water was introduced. The availability of this system was investigated by analyzing the sawdust used in the bio-toilet and the quality of the effluent in the household wastewater treatment facility. As the result, the water content of the sawdust did not exceed 60% in any of the sampling points and the BOD and COD of the effluent of the household wastewater treatment facility were below 10 and 20 mg/L respectively, due to the low loading. Compared to the pollution load on the water environment created by the conventional system, it was found that the effluent of the house has a lower load than the tertiary treatment and the volume of the water consumption is 75% of the conventional system.

关键词： bio-toilet pollution load sustainable sanitation system water consumption

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Solvability of the Economic Input-Output Equation by Time Irreversibility

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Advances in Linear Algebra & Matrix Theory 2014年第3期4卷 143-155页

作者： shinji miura Independent Gifu Japan

This paper reinterprets the economic input-output equation as a description of a realized situation without considering decision making. This paper uses the equation that the self-sufficiency rate is added to the Leontief type, and discusses its solvability. The equation has a unique solution if and only if each part of the relevant society satisfies the space-time openness condition. This condition means that commodities which a part of the relevant society possesses are not all inputted to its inside. Moreover, if the process of input and output is time irreversible, each part of the relevant society satisfies the space-time openness condition. Therefore, the solvability of the equation is guaranteed by time irreversibility. This proposition seems to be relevant to the grandfather paradox which is a type of time paradox.

关键词： Input-Output Equation Solvability Time Irreversibility Time Paradox

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Monetary Budget Constraint and Its Missing Problems

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Open Journal of Optimization 2015年第3期4卷 87-99页

作者： shinji miura Independent Gifu Japan

This paper aims to inquire into an objectively authentic budget constraint in a monetary economy through showing two missing problems of the monetary budget constraint and their solutions. To start with, we show the first missing problem that money is “missing” if all agents expend their total budgets under the simple budget constraint. This problem shows that the simple budget constraint is inadequate as an objective monetary budget constraint. A deficiency of the simple budget constraint exists partly in that it does not reflect money circulation. To improve this deficiency, we incorporate the expenditure reflux formula into the simple constraint. The first missing problem is partially solved by the application of this reflux budget constraint, but another problem occurs. The new problem is that infinite expenditure is permitted under this constraint. This is the second missing problem. The second problem appears to be a variation of the solvability problem of the money circulation equation. Referring to the proof of the solvability, we incorporate a time irreversible disposal into the budget constraint. This irreversibility budget constraint brings us a provisional solution of the missing problems. However, it should not be called a perfect solution. We also examine the relationships between our research and two previous studies: the finance constraint and the cash-in-advance model.

关键词： Budget Constraint Money Circulation Expenditure Reflux Time Irrevesibility

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Money Circulation Equation Considering Time Irreversibility

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Advances in Linear Algebra & Matrix Theory 2014年第4期4卷 187-200页

作者： shinji miura Independent Gifu Japan

The essence of money circulation is that money continues to transfer among economic agents eternally. Based on this recognition, this paper shows a money circulation equation that calculates the quantities of expenditure, revenue, and the end money from the quantity of the beginning money. The beginning money consists of the possession at term beginning, production and being transferred from the outside of the relevant society. The end money consists of the possession at term end, disappearance and transferring to the outside of the relevant society. This equation has a unique solution if and only if each part of the relevant society satisfies the space-time openness condition. Moreover, if money is transferred time irreversibly, each part of the relevant society satisfies the space-time openness condition. Hence, the solvability of the equation is guaranteed by time irreversibility. These solvability conditions are similar to those of the economic input-output equation, but the details are different. An equation resembling our money circulation equation was already shown by Mária Augustinovics, a Hungarian economist. This paper examines the commonalities and differences between our equation and hers. This paper provides the basis for some intended papers by the author.

关键词： Money Circulation Solvability Time Irreversibility Mária Augustinovics

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Quantification of Revenue Induction and Expenditure Reflux in a Monetary Economy

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Advances in Linear Algebra & Matrix Theory 2015年第1期5卷 25-35页

作者： shinji miura Independent Gifu Japan

In a monetary economy, expenditure induces revenue for each agent. We call this the revenue induction phenomenon. Moreover, in a special case, part of the expenditure by an agent returns as their own revenue. We call this the expenditure reflux phenomenon. Although the existence of these phenomena is known from the olden days, this paper aims to achieve a more precise quantification of them. We first derive the revenue induction formula through solving the partial money circulation equation. Then, for a special case, we derive the expenditure reflux formula. Furthermore, this paper defines the revenue induction coefficient and the expenditure reflux coefficient, which are the key concepts for understanding the two formulas, and examines their range.

关键词： Monetary Economy Money Circulation Revenue Induction Expenditure Reflux

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Simultaneous detection of the shuttling motion of liquid metal droplets in channels under alternating pressure and capacitive sensor signals

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Microsystems & Nanoengineering 2024年第2期10卷 83-90页

作者： shinji Bono Ryotaro Nakai Satoshi Konishi Research Organization of Science and Technology Ritsumeikan UniversityShigaJapan Ritsumeikan Advanced Research Academy KyotoJapan Ritsumeikan Global Innovation Research Organization Ritsumeikan UniversityShigaJapan Graduate School of Science and Engineering Ritsumeikan UniversityShigaJapan

Implementing a signal-switching mechanism for the selective use of integrated sensors and actuators plays a crucial role in streamlining the functionality of miniaturized ***,a liquid metal droplet(LMD)-based signal-switching mechanism is introduced to achieve such *** modulation with a 100-μm spatial resolution enabled precise control of the position of the LMDs within a *** integrating the channel with asymmetrically structured electrodes,the effect of the shuttle-like movement of LMD on the temporal changes in the overall capacitance was ***,analysis of the capacitive peaks revealed the directional movement of the LMDs,enabling estimation of the position of the LMDs without direct *** addition,we achieved successful signal extraction from the capacitive sensor that was linked to the activated electrodes,thereby enabling selective data *** proposed signal-switching mechanism method achieved a detection accuracy of~0.1 *** sensor’s ability to simultaneously detect the LMD position and generate a signal underscores its significant potential for multiplexing in multisensing systems,particularly in concealed environments,such as in vivo settings.

关键词： liquid thereby integrating

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Non-Singularity Conditions for Two Z-Matrix Types

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Advances in Linear Algebra & Matrix Theory 2014年第2期4卷 109-119页

作者： shinji miura Independent Gifu Japan

A real square matrix whose non-diagonal elements are non-positive is called a Z-matrix. This paper shows a necessary and sufficient condition for non-singularity of two types of Z-matrices. The first is for the Z-matrix whose row sums are all non-negative. The non-singularity condition for this matrix is that at least one positive row sum exists in any principal submatrix of the matrix. The second is for the Z-matrix which satisfies where . Let be the ith row and the jth column element of , and be the jth element of . Let be a subset of which is not empty, and be the complement of if is a proper subset. The non-singularity condition for this matrix is such that or such that for? . Robert Beauwens and Michael Neumann previously presented conditions similar to these conditions. In this paper, we present a different proof and show that these conditions can be also derived from theirs.

关键词： Z-Matrix M-Matrix Non-Negative Matrix Diagonal Dominance

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Pathological and physiological functional cross-talks ofα-synuclein and tau in the central nervous system

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Neural Regeneration Research 2024年第4期19卷 855-862页

作者： Mingyue Jin Shengming Wang Xiaodie Gao Zhenyou Zou shinji Hirotsune Liyuan Sun Guangxi Key Laboratory of Brain and Cognitive Neuroscience Guilin Medical University Department of Genetic Disease Research Osaka Metropolitan University Graduate School of Medicine Department of Scientific Research Brain Hospital of Guangxi Zhuang Autonomous Region

α-Synuclein and tau are abundant multifunctional brain proteins that are mainly expressed in the presynaptic and axonal compartments of neurons,*** works have revealed that intracellular deposition ofα-synuclein and/or tau causes many neurodegenerative disorders,including Alzheimer’s disease and Parkinson’s *** intense investigation,the normal physiological functions and roles ofα-synuclein and tau are still unclear,owing to the fact that mice with knockout of either of these proteins do not present apparent ***,the co-occurrence ofα-synuclein and tau aggregates was found in post-mortem brains with synucleinopathies and tauopathies,some of which share similarities in clinical ***,the direct interaction ofα-synuclein with tau is considered to promote the fibrillization of each of the proteins in vitro and in *** the other hand,our recent findings have revealed thatα-synuclein and tau are cooperatively involved in brain development in a stage-dependent *** findings indicate strong cross-talk between the two proteins in physiology and *** this review,we provide a summary of the recent findings on the functional roles ofα-synuclein and tau in the physiological conditions and pathogenesis of neurodegenerative diseases.A deep understanding of the interplay betweenα-synuclein and tau in physiological and pathological conditions might provide novel targets for clinical diagnosis and therapeutic strategies to treat neurodegenerative diseases.

关键词： alpha-synuclein microtubule-associated protein neurodegenerative disease tau

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Hydrogen Permeation Characteristics of Pd-CuMembrane in Plasma Membrane Reactor

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Energy Engineering 2024年第2期121卷 259-272页

作者： Muhd Hadi Iskandar Abd Razak Motoki Tsuda YukioHayakawa shinji Kambara Graduate School of Engineering Gifu UniversityGifu501-1193Japan

Hydrogen is an alternative energy source that has the potential to replace fossil *** of the hydrogen applications is as a material for Polymer Electrolyte Membrane Fuel Cells(PEMFC)in fuel cell ***-purity hydrogen can be obtained using a hydrogen separation membrane to prevent unwanted contaminants from potentially harming the PEMFC *** this study,we fabricated a plasma membrane reactor and investigated the permeation performance of a hydrogen separation membrane in a plasma membrane reactor utilizing atmospheric pressure *** result showed the hydrogen permeation rate increasing with time as reactor temperature is increased through joule *** decreasing the gap length of the reactor from 2 to 1 mm,the hydrogen permeation rate increases by up to 40%.The hydrogen permeation rate increases by 30%when pressure is applied to the plasma membrane reactor by up to 100 kPa.

关键词： Hydrogen energy hydrogen separation membrane atmospheric pressure plasma

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Assessing mixing uniformity in microreactors via in-line spectroscopy

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Chinese Journal of Chemical Engineering 2024年第2期66卷 119-124页

作者： Shusaku Asano shinji Kudo Taisuke Maki Yosuke Muranaka Kazuhiro Mae Jun-ichiro Hayashi Institute for Materials Chemistry and Engineering Kyushu UniversityKasuga 816-8580Japan Department of Chemical Engineering Graduate School of EngineeringKyoto UniversityJapan

Mixing behavior is critical for enhancing the selectivity of fast chemical reactions in microreactors.A high Reynolds number(Re)improves the mixing rate and selectivity of the reactions,but some exceptions of increasing side product yield with the higher Re have been *** study investigated the mixing uniformity in microreactors with in-line UV-vis spectroscopy to clarify the relationship between reaction selectivity and chaotic mixing with the higher Re.A colorization experiment of thymolphthalein in an acidic solution was conducted with an excess acid amount to the base to indicate a non-uniformly mixed ***-uniformity significantly increased with *** the same time,the degree of mixing,which was measured by a usual decolorization experiment,showed that the mixing rate increased with *** in-line analysis of the Villermaux-Dushman reaction during the mixing clarified that side product yield significantly increased with Re at around 300 and then decreased at around *** results suggest the compensation effect between the mixing uniformity and mixing rate on the selectivity of the mixing-sensitive *** mixing,characterized by a larger Re,can disturb mixing uniformity and,in some cases,decrease reaction selectivity.

关键词： Microreactor Villermaux-Dushman reaction In-line analysis Mixing Mass transfer Uniformity

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