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International Journal of Disaster Risk Science 2024年第1期15卷 58-72页

作者： Nombulelo Kitsepile Ngulube hirokazu Tatano Subhajyoti Samaddar Department of Social Informatics Graduate School of InformaticsKyoto UniversityKyoto 606-8507Japan Disaster Prevention Research Institute(DPRI) Kyoto UniversityKyoto 611-0011Japan

Relocation is not typically considered the best planning option for post-disaster reconstruction and rehabilitation,but it may be necessary if the site has suffered severe damage or is at imminent *** is a growing recognition that strong community participation is necessary in the post-disaster relocation decision-making process since relocation can have detrimental effects on a community’s livelihood,cultural system,and way of life,among ***,the realization of this still needs to be *** of yet,few studies have examined a comprehensive account of meaningful community engagement in post-disaster relocation and reconstruction,particularly in developing *** study investigated what factors influenced local communities’ participation in post-disaster relocation and reconstruction works after the 2017Cyclone Dineo flood disaster in the Tsholotsho District of *** research methods such as face-to-face interviews,observations,and focus groups were used to collect qualitative data from a purposive sample of 25 community members and 6 *** empirical investigation showed that despite the fact that the relocation project was conceived as a community-centered project,there was no meaningful community engagement,due to the absence of a participatory framework or planning guidelines for stakeholder engagement,as well as the lack of political willingness among government *** study concluded that the lack of community involvement led to local communities abandoning the reconstruction sites because relocation projects failed to accommodate the cultural beliefs,place attachments,and livelihood concerns of local *** study suggested that it is imperative to enhance the awareness of government officials and other stakeholders about the importance of community participation for the effective implementation of post-disaster relocation *** community participation can also provide avenues fo

关键词： Community rehabilitation Housing reconstruction-Participatory relocation Zimbabwe

The chemical structures,biosynthesis,and biological activities of secondary metabolites from the culinary-medicinal mushrooms of the genus Hericium:a review

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Chinese Journal of Natural Medicines 2024年第8期22卷 676-698页

作者： QI Jianzhao WU Jing KANG Shijie GAO Jingming hirokazu Kawagishi LIU Hongwei LIU Chengwei Key Laboratory for Enzyme and Enzyme-Like Material Engineering of Heilongjiang College of Life ScienceNortheast Forestry UniversityHarbin 150040China Shaanxi Key Laboratory of Natural Products&Chemical Biology College of Chemistry&PharmacyNorthwest A&F UniversityYangling 712100China Faculty of Agriculture Shizuoka UniversityShizuoka 422-8529Japan State Key Laboratory of Mycology Institute of MicrobiologyChinese Academy of SciencesBeijing 100101China

Fungal phytochemicals derived from higher fungi,particularly those from the culinary-medicinal genus Hericium,have gained significant attention in drug discovery and *** review aims to provide a comprehensive analysis of the chemical structures,biosynthetic pathways,biological activities,and pharmacological properties of monomeric compounds isolated from Hericium *** the past 34 years,253 metabolites have been identified from various Hericium species,including cyathane diterpenes,alkaloids,benzofurans,chromenes,phenols,pyrones,steroids,and other miscellaneous *** investigations into the biosynthesis of erinacines,a type of cyathane diterpene,have led to the discovery of novel cyathane *** research has highlighted the biological activities and pharmacological properties of Hericium-derived compounds,with particular emphasis on their neuroprotective and neurotrophic effects,immunomodulatory capabilities,anti-cancer activity,antioxidant properties,and antimicrobial *** A,in particular,has been extensively ***,transcriptomic,and proteomic analyses of Hericium species have facilitated the discovery of new compounds and provided insights into enzymatic reactions through genome *** diverse chemical structures and biological activities of Hericium compounds underpin their potential applications in medicine and as dietary *** review not only advances our understanding of Hericium compounds but also encourages further research into Hericium species within the realms of medicine,health,functional foods,and agricultural *** broad spectrum of compound types and their diverse biological activities present promising opportunities for the development of new pharmaceuticals and edible products.

关键词： Hericium Secondary metabolites Biological activity Biosynthesis

The Development of the “Monitoring Application for Inappropriate Expressions in Nursing Records”for PsyNACS^©

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Journal of Computer and Communications 2024年第5期12卷 42-52页

作者： hirokazu Ito Yuko Yasuhara Tetsuya Tanioka Department of Nursing Institute of Biomedical Sciences Tokushima University Graduate School Tokushima Japan

Lengthening periods of hospitalization, increasing numbers of patients with age-related complications, and a shortage of nursing staff have been of great concern in medical psychiatry in Japan. Under these circumstances, countries such as Japan that face a super-aging society and a decline in the working-age population, have been recommended for use of advanced information and communications technology (ICT) to improve the efficiency of medical treatment and care. This study aims to develop the “Monitoring Application for Inappropriate Expressions in Nursing Records” for using PsyNACS©, which will enable psychiatric nursing plans to harness the advantages of ICT. The functions considered necessary are as follows: 1) identification of users who enter information;2) a necessary database for lists of inappropriate expressions;3) development of a matching function to recommend proper writing input and a warning function;and 4) a management function for an inappropriate expression list database. A demonstration experiment for developing the application in this study was conducted at a specialized psychiatric hospital. To introduce them to the application, nurses and nurse managers were informed about the system developed in this study, and a survey regarding their opinions on the functions of the application was conducted with ten nurse managers. The results were evaluated in terms of usefulness for nursing care, documentation, and the education of nurses from an ethical perspective. This study suggests that matching their input with an inappropriate expression database will allow nurses to record more appropriate expressions. From an ethical perspective, the ability to use appropriate expressions makes records more likely to withstand disclosure requests from patients and their families.

关键词： PsyNACS© Monitoring Application Inappropriate Expressions Nursing Records

An interactive approach to investigate brightness perception of daylighting in Immersive Virtual Environments:Comparing subjective responses and quantitative metrics

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Building Simulation 2022年第1期15卷 41-68页

作者： Muhammad Hegazy Kensuke Yasufuku hirokazu Abe Graduate School of Engineering Osaka UniversityYamadaoka 2-1 Suita Osaka567-0047Japan Cybermedia Center Osaka UniversityJapan

Daylighting plays an eminent role in the performance of indoor environments and their occupants,thus necessitating the need to investigate daylight perception of potential occupants at early design *** present study introduces an interactive approach to collect and visualize brightness perception of daylighting in a large-scale immersive virtual environment using a game engine as a daylight simulation *** developed system allows users to explore building models freely at different day times set in virtual reality and report their perceptions in real *** a validation study(N=36)to investigate the consistency of brightness perceptions in a real environment and its virtual replica,a set of 24 participants were recruited to use the system to report their brightness perception in a virtual model of a daylit art museum,through snapshotting the scenes where they perceive as one of the following in terms of daylighting:(very dark,dark,bright,or very bright).Using an output of 419 snapshots,a"Perceptual Light Map"(PLM)was developed to visualize the collective brightness perception of participants as a heat *** responses were found to be positively correlated with four daylight metrics,with the highest correlation to mean luminance and the lowest to luminance *** findings of this exploratory study represent a step towards a user-oriented supplement tool to the existing quantitative daylight metrics,validating game engines’adequacy as a daylight simulation tool,and illustrating the potentials of immersion and interaction principles for the perception of daylit spaces in virtual reality.

关键词： immersive virtual environment daylighting game engine human perception mean luminance

Shortening of alkaline DNA unwinding time does not interfere with detecting DNA damage to mouse and human spermatozoa in the comet assay

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Asian Journal of Andrology 2011年第1期13卷 172-174页

作者： hirokazu Kusakabe Hiroyuki Tateno Department of Biological Sciences Asahikawa Medical University Asahikawa 078-8510 Japan

The comet assay was performed on mouse and human spermatozoa to examine the effect of alkaline DNA unwinding time. The spermatozoa were treated in vitrowith the DNA-damaging agents, methyl methanesulfonate （MMS） or hydrogen peroxide （Hz02）, and then embedded in agarose gel on glass sl ides. The slides were immersed in alkaline solution （〉pH 13） for 1, 5, 10 and 20 min, and then subjected to the electrophoresis under neutral conditions. In mouse spermatozoa, comet tails seen in solvent controls became brighter and longer as the alkaline DNA unwinding time increased. However, in the MMS-treated mouse spermatozoa, a smaller difference in the damage from that in the solvent control was seen with time within a dose. DNA damage induced by H2O2 could also be detected accurately after alkali treatment for 1-20 min. In human spermatozoa, DNA damage induced by MMS and H2O2 could be detected in a dose-dependent manner after alkali treatment for 1 min. The ability of the comet assay to detect DNA damage was not adversely affected by the short period （1 min） of the alkaline DNA unwinding time.

关键词： alkaline comet assay DNA unwinding human mice spermatozoa

Deformation behaviors of magnesium alloy AZ31 sheet in cold deep drawing

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中国有色金属学会会刊：英文版 2008年第1期18卷 86-91页

作者：杨连发 MORI Ken-ichiro TSUJI hirokazu School of Electromechnical Engineering Guilin University of Electronic Technology Department of Production Systems Engineering Toyohashi University of Technology

To investigate how the popular magnesium alloy AZ31 sheet(aluminum 3%,zinc 1%)behaves in cold working,deep drawing experiments at room temperature,along with finite element(FE)simulation,were performed on the cold forming sheet of the AZ31 alloy after being annealed under various *** activities were focused on the fracture pattern,limit drawing ratio(LDR),deformation load,thickness distribution,anisotropic effect,as well as the influences of the annealing conditions and tool configuration on *** results display that punch shoulder radius instead of die clearance,has much influence on the thickness *** anisotropy is remarkable in cold working,which adversely impacts the *** fracture often happens on the side wall at an angle to axis of the deformed *** results also imply that the LDR for the material under present experimental conditions is 1.72,and annealing the material at 450 ℃ for 1 h may be preferable for the cold deep drawing.

关键词： AZ31镁合金冷压制各向异性有限元素模拟

Factors predicting aggressiveness of non-hypervascular hepatic nodules detected on hepatobiliary phase of gadolinium ethoxybenzyl diethylene-triamine-pentaacetic-acid magnetic resonance imaging

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World Journal of Gastroenterology 2015年第15期21卷 4583-4591页

作者： Tsutomu Kanefuji Toru Takano Takeshi Suda Kouhei Akazawa Takeshi Yokoo Hiroteru Kamimura Kenya Kamimura Atsunori Tsuchiya Masaaki Takamura hirokazu Kawai Satoshi Yamagiwa Hidefumi aoyama Minoru Nomoto Shuji Terai Deparatment of Gastro-enterology and Hepatology Uonuma Institute of Community Medicine Niigata University Medical and Dental Hospital 4132 Urasa Minami--Uonuma Department of Radiation Oncology Graduate School of Medical and Dental Sciences Niigata University Niigata Department of Medical Informatics Graduate School of Medical and Dental Sciences Niigata University Niigata Department of Gastroenterology and Hepatology Graduate School of Medical and Dental Sciences Niigata University Niigata

AIM: To establish a prognostic formula that distinguishes non-hypervascular hepatic nodules(NHNs) with higher aggressiveness from less hazardous one. METHODS: Seventy-three NHNs were detected in gadolinium ethoxybenzyl diethylene-triamine-pentaaceticacid magnetic resonance imaging(Gd-EOB-DTPA-MRI) study and confirmed to change 2 mm or more in size and/or to gain hypervascularity. All images were interpreted independently by an experienced, board-certified abdominal radiologist and hepatologist; both knew thatthe patients were at risk for hepatocellular carcinoma development but were blinded to the clinical information. A formula predicting NHN destiny was developed using a generalized estimating equation model with thirteen explanatory variables: age, gender, background liver diseases, Child-Pugh class, NHN diameter, T1-weighted imaging/T2-weighted imaging detectability, fat deposition, lower signal intensity in arterial phase, lower signal intensity in equilibrium phase, α-fetoprotein, des-γ-carboxy prothrombin, α-fetoprotein-L3, and coexistence of classical hepatocellular carcinoma. The accuracy of the formula was validated in bootstrap samples that were created by resampling of 1000 iterations. RESULTS: During a median follow-up period of 504 d, 73 NHNs with a median diameter of 9 mm(interquartile range: 8-12 mm) grew or shrank by 68.5%(fifty nodules) or 20.5%(fifteen nodules), respectively, whereas hypervascularity developed in 38.4%(twenty eight nodules). In the fifteen shrank nodules, twelve nodules disappeared, while 11.0%(eight nodules) were stable in size but acquired vascularity. A generalized estimating equation analysis selected five explanatories from the thirteen variables as significant factors to predict NHN progression. The estimated regression coefficients were 0.36 for age, 6.51 for lower signal intensity in arterial phase, 8.70 or 6.03 for positivity of hepatitis B virus or hepatitis C virus, 9.37 for des-γ-carboxy prothrombin, and-4.05 for fat d

关键词： Hepatocellular carcinoma Magnetic resonanceimaging Ethoxybenzyl moiety Non-hypervascular hepaticnodule Fate prediction

A method for estimating the errors in many-light rendering with supersampling

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Computational Visual Media 2019年第2期5卷 151-160页

作者： hirokazu Sakai Kosuke Nabata Shinya Yasuaki Kei Iwasaki Wakayama University WakayamaWakayama640-8510Japan Dwango CG Research KADOKAWA Hongo Bldg.5245 HongoBunkyo-kuTokyo1130033Japan

In many-light rendering, a variety of visual and illumination effects, including anti-aliasing,depth of field, volumetric scattering, and subsurface scattering, are combined to create a number of virtual point lights(VPLs). This is done in order to simplify computation of the resulting illumination. Naive approaches that sum the direct illumination from many VPLs are computationally expensive;scalable methods can be computed more efficiently by clustering VPLs, and then estimating their sum by sampling a small number of VPLs. Although significant speed-up has been achieved using scalable methods, clustering leads to uncontrollable errors, resulting in noise in the rendered images. In this paper, we propose a method to improve the estimation accuracy of manylight rendering involving such visual and illumination effects. We demonstrate that our method can improve the estimation accuracy by a factor of 2.3 over the previous method.

关键词： anti-aliasing depth of field many-light rendering participating media

Community Insights:Citizen Participation in Kamaishi Unosumai Decade-Long Recovery from the Great East Japan Earthquake

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International Journal of Disaster Risk Science 2023年第6期14卷 886-897页

Numerous scholars and researchers have long advocated for citizen engagement in post-disaster recovery and reconstruction initiatives,although unique opportunities and challenges in effectively implementing citizen engagement still *** has been 12 years since the Great East Japan Earthquake,where the government called for a citizen-centered recovery and reconstruction process,and reconstruction in most areas in the Tohoku region has almost been *** qualitative data acquired through interviews with the residents,field observations during the World Bosai Walk,and questionnaire and archival research,this study aimed to discuss the overall reconstruction of Unosumai in Iwate Prefecture,giving the residents'perspective on the benefits and challenges they faced in participating in recovery planning and reconstruction and how the community has been able to strengthen their participation in disaster reduction initiatives since the earthquake and *** discussion is crucial as it would effectively offer lessons on engaging residents in post-disaster recovery and reconstruction after mega-disasters.

关键词： Community participation Community perspective Japan Post-disaster Reconstruction Recovery planning