Hiroki Ogawa
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View article: New Insights into the Fracture Precursors of Rubber Reinforced with a Nanofiller
New Insights into the Fracture Precursors of Rubber Reinforced with a Nanofiller Open
Filler‐reinforced rubber materials are used in tires, belts, and other items indispensable to the daily lives of people. The characteristic required to realize a circular economy is an improved fracture resistance, i.e., a longer product l…
View article: Strain-induced density fluctuations in linear low-density polyethylene
Strain-induced density fluctuations in linear low-density polyethylene Open
In our previous study [Kishimoto et al. (2020). Macromolecules , 53 , 9097–9107], density fluctuations were induced on the submicrometre scale in polyethylene (PE) during strain and led to the generation of voids. The strength of the induc…
View article: Effect of combining an upper limb rehabilitation support robot with task-oriented training on severe upper limb paralysis after spinal cord infarction: A case report
Effect of combining an upper limb rehabilitation support robot with task-oriented training on severe upper limb paralysis after spinal cord infarction: A case report Open
The upper limb rehabilitation support robot training that matched the level of motor function improved the motor function and active range of motion (ROM). ADL generalization through task-oriented training helped improve self-care. The use…
View article: Deep learning for three-dimensional segmentation of electron microscopy images of complex ceramic materials
Deep learning for three-dimensional segmentation of electron microscopy images of complex ceramic materials Open
The microstructure is a critical factor governing the functionality of ceramic materials. Meanwhile, microstructural analysis of electron microscopy images of polycrystalline ceramics, which are geometrically complex and composed of countl…
View article: A Case of Papillated Bowen's Disease Complicated with Pemphigus Vegetans
A Case of Papillated Bowen's Disease Complicated with Pemphigus Vegetans Open
82 歳，男性。増殖性天疱瘡に対して当院通院中に左耳介前部に角化性結節を生じ，病理組織学的に Papillated Bowen's disease（以下 pBD）の診断であった。PSL 9 mg の内服を継続し，病変部の拡大切除と全層植皮術を行った。術後の経過は問題なく，術後 7 日目に退院した。増殖性天疱瘡は尋常性天疱瘡の最も稀な一型である。また，pBD はヒトパピローマウイルス感染に伴い生じる稀な Bowen 病の一型である。 頭頚部が好発部位であり，臨床的には境界明瞭…
View article: A STUDY ON ISSUES OF EVACUATION SHELTER OPERATION PLANNING FOR SPECIAL NEEDS SCHOOLS -A CASE STUDY OF SPECIAL NEEDS SCHOOLS IN TOKUSHIMA PREFECTURE-
A STUDY ON ISSUES OF EVACUATION SHELTER OPERATION PLANNING FOR SPECIAL NEEDS SCHOOLS -A CASE STUDY OF SPECIAL NEEDS SCHOOLS IN TOKUSHIMA PREFECTURE- Open
過去の災害を経験した特別支援学校の事例調査の結果,特別支援学校には安否確認や避難所運営,学校再開等において特有の課題があることが分かった.また,避難所指定の有無に関わらず避難所としての役割を求められたケースもあった.このような点を踏まえて,徳島県内の特別支援学校を対象に,災害リスク分析と各校の学校防災計画を調査した結果,津波,洪水,土砂災害などのリスクがある場所に立地している学校の割合が全国平均よりも高いことや,指定避難所になっていても,配置計画が未作成の学校があることが明…
View article: The Effect of Lower Limb Sensory Impairment on the Recovery Time of Independent Walking in Hemiplegic Stroke Patients
The Effect of Lower Limb Sensory Impairment on the Recovery Time of Independent Walking in Hemiplegic Stroke Patients Open
[Purpose] The purpose of this study was to determine whether sensory impairment combined with stroke hemiplegia prolongs the recovery time of independent walking. [Participants and Methods] Twenty-one patients with first-ever stroke and he…
View article: CCDC 2206725: Experimental Crystal Structure Determination
CCDC 2206725: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: CCDC 2206726: Experimental Crystal Structure Determination
CCDC 2206726: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: Synthesis and Characterization of Cyclotri- and Tetrasiloxanes with Pyrenyl Groups
Synthesis and Characterization of Cyclotri- and Tetrasiloxanes with Pyrenyl Groups Open
[Image: see text] Cyclosiloxanes directly bearing polyaromatic groups on silicon atoms have scarcely been reported. Herein, hexa(1-pyrenyl)cyclotrisiloxane (2) and octa(1-pyrenyl)cyclotetrasiloxane (3) were successfully prepared from di(1-…
View article: Effects of change in walking speed on time-distance parameters in post-stroke hemiplegic gait.
Effects of change in walking speed on time-distance parameters in post-stroke hemiplegic gait. Open
This study on treadmill gait in patients with hemiplegia after a first stroke confirmed the effects of change in walking speed on time-distance parameters. Our results will help in the interpretation of time-distance parameters measured un…
View article: STATUS OF PRE-RECONSTRUCTION EFFORTS AND ANALYSIS OF REGIONAL DIFFERENCES AMONG LOCAL GOVERNMENTS IN PREPARATION FOR THE NANKAI TROUGH EARTHQUAKE
STATUS OF PRE-RECONSTRUCTION EFFORTS AND ANALYSIS OF REGIONAL DIFFERENCES AMONG LOCAL GOVERNMENTS IN PREPARATION FOR THE NANKAI TROUGH EARTHQUAKE Open
2018年に復興まちづくりのための事前準備ガイドラインが施行された.南海トラフ巨大地震に備えて,公共施設の高台移転などに取り組む自治体がある.本研究では,事前準備ガイドラインが施行されてから4年が経過した2022年3月時点において,公共施設の高台移転を含む事前復興の取り組みの現状や課題を把握することを目的とする.南海トラフ地震津波避難対策特別強化地域に指定されている139市町村を調査対象として,事前復興準備における課題,公共施設の移転状況,移転促進事業に関する助成制度の有無…
View article: STUDY ON UTILIZATION OF THE HOUSING DEVELOPMENT OUTSIDE URBANIZATION PROMOTION AREA
STUDY ON UTILIZATION OF THE HOUSING DEVELOPMENT OUTSIDE URBANIZATION PROMOTION AREA Open
近年, 立地適正化計画において指定される, 居住誘導区域の浸水被害事例が発生し, 都市計画と防災対策との連携の必要性が唱えられている. 2021年には, 流域治水の計画・体制強化に加え, 水防災に対応したまちづくりを進めるため, 流域治水関連法が成立した. 既存の研究では, 居住誘導区域が指定される市街化区域内の浸水想定区域の範囲が広く, 浸水被害リスクの低減が困難な自治体の存在が明らかにされている. 本研究では, このような自治体が市街化区域外の住宅団地を事前移転先として…
View article: EVACUATION SHELTER SPACE USING TEACCH PROGRAM FOR AUTISTICS
EVACUATION SHELTER SPACE USING TEACCH PROGRAM FOR AUTISTICS Open
本研究は,一般避難所の福祉スペースの強化と環境の改善を目的として,自閉症児・者の療育方法であるTEACCHプログラムを避難所空間に適用する可能性を検討した.TEACCHプログラムとは,自閉症児・者が集団生活において自立的な行動をおくるためにアメリカで開発され,物理的構造化,視覚的構造化,時間の構造化,活動の構造化という4つの構造化を基本とし,日本においても福祉や教育の現場で活用されている.本研究では,障害者支援施設や特別支援学校へのヒアリング調査,当事者およびその家族へのア…
View article: Neutron Reflectometry Tomography for Imaging and Depth Structure Analysis of Thin Films with In-Plane Inhomogeneity
Neutron Reflectometry Tomography for Imaging and Depth Structure Analysis of Thin Films with In-Plane Inhomogeneity Open
Neutron reflectometry (NR) has been used for the depth structure analysis of materials at the surface and interface with a sub-nanometric resolution. Conventional NR provides averaged information for an area larger than several square cent…
View article: Amphiphilic random and random block terpolymers with PEG, octadecyl, and oleyl pendants for controlled crystallization and microphase separation
Amphiphilic random and random block terpolymers with PEG, octadecyl, and oleyl pendants for controlled crystallization and microphase separation Open
Amphiphilic random and random block terpolymers bearing PEG chains, crystalline octadecyl groups, and amorphous oleyl groups were designed to control crystallization and microphase separation in the solid state.
View article: Improving grazing-incidence small-angle X-ray scattering–computed tomography images by total variation minimization
Improving grazing-incidence small-angle X-ray scattering–computed tomography images by total variation minimization Open
Grazing-incidence small-angle X-ray scattering (GISAXS) coupled with computed tomography (CT) has enabled the visualization of the spatial distribution of nanostructures in thin films. 2D GISAXS images are obtained by scanning along the di…
View article: STUDY ON RESIDENCE GUIDANCE AREA DESIGNATION IN CONSIDERATION OF AN INUNDATION DAMAGE RISK
STUDY ON RESIDENCE GUIDANCE AREA DESIGNATION IN CONSIDERATION OF AN INUNDATION DAMAGE RISK Open
令和元年台風19号での東日本における豪雨により, 立地適正化計画において指定された居住誘導区域の浸水被害事例がみられた. 居住誘導区域指定時に, 浸水想定区域を除外するか否かは自治体の判断に委ねられ, 多くの自治体ではソフト防災対策実施を条件に除外されていない傾向にある. 本研究では, 居住誘導区域の浸水被害リスクの低減を目指し, 居住誘導区域指定における浸水想定区域の取り扱い基準を明確化することを目的に実施した. 2040年の将来人口を踏まえて, 居住誘導区域指定時の浸水…
View article: STUDY ON HANDING OF THE DISASTAR RISK IN THE RESIDECE GUIDANCE AREA DESIGNATION OF THE URBAN MASTER PLAN FOR LOCATION OF RESIDENTIAL AND URBAN FUNCTIONS
STUDY ON HANDING OF THE DISASTAR RISK IN THE RESIDECE GUIDANCE AREA DESIGNATION OF THE URBAN MASTER PLAN FOR LOCATION OF RESIDENTIAL AND URBAN FUNCTIONS Open
立地適正化計画における居住誘導区域には，具体的な指定基準が示されているわけではなく，その判断材料や基準は各自治体に委ねられている部分がある．それは防災上の懸念を有するエリアも例外ではなく，災害リスクを有する区域の取り扱いについても自治体により異なる．本研究では居住誘導区域を指定した自治体を対象として，区域指定時における災害の危険性を有する区域の取り扱い方法について整理し，居住誘導区域指定の要点を明らかにすることを目的とした．本研究の結果，国の対応としては浸水想定区域の取り扱…
View article: Synthesis and Property of Tannic Acid Derivatives and Their Application for Extreme Ultraviolet Lithography System
Synthesis and Property of Tannic Acid Derivatives and Their Application for Extreme Ultraviolet Lithography System Open
We synthesized tannic acid derivatives with pendant cyclohexyl acetal moieties (TA-CVEn), butyl acetal moieties (TA-BVEn), and adamantyl ester moieties (TA-ADn) by the reaction of tannnic acid (TA) with cyclohexyl vinyl ether (CVE), butyl …
View article: System for <i>in situ</i> observation of three-dimensional structural changes in polymer films during uniaxial deformation. Corrigendum
System for <i>in situ</i> observation of three-dimensional structural changes in polymer films during uniaxial deformation. Corrigendum Open
Ambiguities in the article by Miyazaki, Shimokita, Ogawa & Yamamoto [ J. Appl. Cryst. (2015), 48 , 1016–1022] are clarified.