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Holocene sedimentary records in Inner Continental Asia:Mongolian Plateau and Tibetan Plateau

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地球环境学报 2011年第1期 320-321页

作者： Orkhonselenge A Kashiwaya K Krivonogov s nakamura s Institute of Nature and Environmental Technology Kanazawa University Korean Institute of Geology and Mineralogy 3. Center for Chronological Research Nagoya University

This study aims to reveal Holocene environmental changes on the bases of the physical and chemical analyses of the sediment core obtained from Lake Kliuvsgul in Mongolian Plateau and Lake siling-co in Tibetan *** results of the Holocene sedimentary sequence in Borsog Bay of Lake Khuvsgul shows that certain environmental shifts at about Little Ice Age and 3.5 ka BP;noticeable increases are detected in mineral grain size,whole grain size,mineral content and grain density during the periods when the organic matter content,biogenic silica content and diatom abundance *** sediment in Lake siling-co indicates a comparatively large fluctuations in hydrological conditions at a water inflow for a short period at about 3000;000 a BP;and decreases in the water level at about 4000 a BP and 3500 a BP,when mineral fractions and whole sediments return to coarse grains,mineral content increased,and organic matter and biogenic silica *** results suggest the comparatively large hydrological changes in the inner Asia during the Late Holocene with a similar pattern of the humidity and aridity in the both lakes.

关键词： Asia Holocene sedimentary records in Inner Continental Asia

Low-Energy spin Excitations in Detwinned Fese

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Chinese Physics Letters 2024年第6期41卷 112-118页

作者：刘瑞鲜 Mitsutaka nakamura Kazuya Kamazawa 鲁兴业 Center for Advanced Quantum studies School of Physics and AstronomyBeijing Normal UniversityBeijing 100875China J-PARC Center Japan Atomic Energy Agency(JAEA)TokaiIbaraki 319-1195Japan Research Center for Neutron science and Technology Comprehensive Research Organization for Science and SocietyTokaiIbaraki 319-1106Japan

Antiferromagnetic spin fluctuation is regarded as the leading driving force for electron pairing in high-Tc *** iron-based superconductors,spin excitations at low energy range,especially the spin-resonance mode at ER~5kBTc,are important for understanding the ***,we use inelastic neutron scattering(INs)to investigate the symmetry and in-plane wave-vector dependence of low-energy spin excitations in uniaxial-strain detwinned Fe *** low-energy spin excitations(Esuperconducting state(T9K)and the nematic state(T90 K),confirming the constant C_(2) rotational symmetry and ruling out the C_(4) mode at E≈3 meV reported in a prior INs ***,our results reveal an isotropic spin resonance in the superconducting state,which is consistent with the s±wave pairing *** slightly higher energy,low-energy spin excitations become highly *** full width at half maximum of spin excitations is elongated along the transverse *** Q-space isotropic spin resonance and highly anisotropic low-energy spin excitations could arise from dyz intra-orbital selective Fermi surface nesting between the hole pocket aroundΓpoint and the electron pockets centered at MX point.

关键词： excitation symmetry slightly

Carrier-Induced Magnetic solitons and Metal-Insulator Transition in Diluted Magnetic semiconductors Ga<sub>1-x</sub>Mn<sub>x</sub>As

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Journal of Modern Physics 2018年第14期9卷 2437-2442页

作者： I. Kanazawa s. nakamura R. Maeda Department of Physics Tokyo Gakugei University Tokyo Japan Institude of Multidisciplinary Research for Advanced Materials (IMRAM) Tohoku University Sendai Japan

We discuss hole-induced magnetic solitons and metal-insulator transition of transport properties in diluted magnetic semiconductors Ga1-xMnxAs from the standpoint of a field theoretical formulation, and analyze experimental data of transport properties, using the supersymmetry sigma formula and the effective Lagrangian of diffusion model.

关键词： Diluted Magnetic semiconductor Magnetic soliton Metal-Insulator Transition Localization

Non-Kramers doublet ground state in a quaternary cubic compound PrRu_(2)In_(2)Zn_(18) investigated by ultrasonic measurements

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Chinese Physics B 2024年第6期33卷 405-411页

作者：张化远 Kazuhei Wakiya Mitsuteru nakamura Masahito Yoshizawa Yoshiki Nakanish Graduate school of science and Engineering Iwate UniversityMorioka 020-8551Japan

We performed ultrasonic measurements on a quaternary cubic compound PrRu_(2)In_(2)Zn_(18) to explore the ground state properties derived from non-Kramers Γ_(3) doublet of Pr^(3+).PrRu_(2)In_(2)Zn_(18) is a quaternary derivative of the ternary compound PrRu_(2)Zn_(20) that exhibits a structural phase transition at T_s=138 *** PrRu_(2)In_(2)Zn_(18),the Zn atoms at the 16c site in PrRu_(2)Zn_(20) are selectively replaced by In atoms.A monotonic increase was observed in the temperature dependence of elastic constants C_L=(C_(11)+2C_(12)+4C_(44))/3 and C_(T)=(C_(11)-C_(12)+C_(44))/3 in the temperature range around T_(s) to which an elastic softening was observed in(C_(11)-C_(12))/2 for PrRu_(2)Zn_(20).The disappearance of the softening indicates that the structural transition in PrRu_(2)Zn_(20) is suppressed by the substitution of Zn ions by In ones with a larger ionic ***,the C_(T) of PrRu_(2)In_(2)Zn_(18) exhibits a precursor Curie-type elastic softening toward low temperatures being responsible for the non-Kramers Γ_(3) ground *** discuss the ground state and the evolution of the elastic properties of the different single-crystal samples of PrRu_(2)In_(2)Zn_(18) grown under different conditions.

关键词： ultrasonic measurements non-Kramers doublet structural phase transition crystalline electric field effect

Prognosis value of heat-shock proteins in esophageal and esophagogastric cancer:A systematic review and meta-analysis

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World Journal of Gastrointestinal Oncology 2024年第4期16卷 1578-1595页

作者： Eric Toshiyuki nakamura Amanda Park Marina Alessandra Pereira Daniel Kikawa Francisco Tustumi Department of Gastroenterology Instituto do CâncerHospital das Clínicas da Universidade de São PauloFaculdade de MedicinaUniversidade de São PauloSão Paulo 01246000Brazil Department of scientific Initiation Universidade Mogi das CruzesSão Paulo 08780911Brazil Department of Evidence-Based Medicine Centro Universitário LusíadaCentre for Evidence-Based MedicineCentro Universitário Lusíada(UNILUS)SantosBrazil Department of surgery Hospital Israelita Albert EinsteinSão Paulo 05652900Brazil

BACKGROUND Heat shock proteins(HsPs)are molecular chaperones that play an important role in cellular protection against stress events and have been reported to be overex-pressed in many *** prognostic significance of HsPs and their regulatory factors,such as heat shock factor 1(HsF1)and CHIP,are poorly *** To investigate the relationship between HsP expression and prognosis in esophageal and esophagogastric *** A systematic review was conducted in accordance with PRIsMA recommend-ations(PROsPERO:CRD42022370653),on Embase,PubMed,Cochrane,and ***,case-control,and cross-sectional studies of patients with eso-phagus or esophagogastric cancer were ***-positive patients were compared with HsP-negative,and the endpoints analyzed were lymph node metastasis,tumor depth,distant metastasis,and overall survival(Os).HsPs were stratified according to the HsP family,and the summary risk difference(RD)was calculated using a random-effect *** The final selection comprised 27 studies,including esophageal squamous cell carcinoma(21),esophagogastric adenocarcinoma(5),and mixed neoplasms(1).The pooled sample size was 3465 ***40 and 60 were associated with a higher 3-year Os[HsP40:RD=0.22;95%confidence interval(CI):0.09-0.35;HsP60:RD=0.33;95%CI:0.17-0.50],while HsF1 was associated with a poor 3-year Os(RD=-0.22;95%CI:-0.32 to-0.12).The other HsP families were not associated with long-term ***1 was associated with a higher probability of lymph node metastasis(RD=-0.16;95%CI:-0.29 to-0.04).HsP40 was associated with a lower probability of lymph node dissemination(RD=0.18;95%CI:0.03-0.33).The expression of other HsP families was not significantly related to tumor depth and lymph node or distant *** The expression levels of certain families of HsP,such as HsP40 and 60 and HsF1,are associated with long-term survival and lymph node dissemination in patients with esophageal and esophagogastric cancer.

关键词： Heat-shock proteins Heat-shock response Prognosis Esophageal neoplasms Meta-analysis

sway,Fracture and Bone Mineral Density in Osteoporosis

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Sway,Fracture and Bone Mineral Density in Osteoporosis

A survey of Digital Content Required for sTD Prevention Education Taught by school Nurses

第七届国际骨质疏松研讨会暨第五届国际骨矿研究会议

作者： Fujita T Ohue M nakamura s Fujii Y Miyauchi A Goto B Takagi Y Katsuragi Hospital Calcium Research Institute Calcium Research Institute National Hospital System Hyogo Chuo Hospital

＜正＞In addition to bone mineral density（BMD）, extra-skeletal factors such as sway due to poor postural control mechanism may represent important risk factors for fracture in osteoporosis. In 723 patients,626 females and 97 males between 18 and 91 years of age with a mean of 64.4 years consulting the Osteoporosis and Osteoarthritis

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Health 2024年第4期16卷 350-370页

作者： Tomoko nakamura Faculty of Nursing Hyogo University Kakogawa Japan

Purpose: In recent years, there has been concern in Japan about the increase in sTDs among adolescents aged 15 - 19. In order to prevent sTDs and guide adolescents toward desirable sexual behavior, this study’s goal was to examine the actual state of sTD prevention education taught by school nurses as part of the school curriculum, as well as the kinds of digital content they wish to have for teaching on the subject. Method: An anonymous, self-administered questionnaire was distributed by email and leaflet. Targeting the 100 valid responses received from the surveyed school nurses, descriptive statistics were made for each survey item and comparisons were made between the early- and mid-career groups based on years of experience. Results: 70.0% of respondents reported teaching about sTDs in Health & Physical Education classes. school nurses in the early-career group used ready-made materials, while the mid-career group used both ready-made and self-made materials. 95% of respondents reported that they had little or no knowledge of sTDs, while 84% reported that they were “good” or “fairly good” at teaching classes on sexuality. Both groups reported difficulty with the topics of “phimosis” and “nocturnal emissions” in the physiological category, “sexual behavior” in the “sex-adjacent” category, and “sexual and reproductive issues” in the psychosocial category. Respondents expressed a need for digital content covering the topics of “sexual violence”, “sexual abuse”, “sexually transmitted diseases”, and “how to turn down sex”. The mid-career group desired digital content for more items than the early-career group, with significant differences in the pathogens involved in sexually transmitted diseases and sex-adjacent items. 32.0% of respondents answered that they had done self-study for sex education classes in the past three years, and both groups desired self-study on “sexually transmitted diseases”, with the mid-career group significantly higher than the early-career

关键词： High school students sexually Transmitted Diseases Digital Content school Nurses

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桥梁缆索腐蚀防护方法试验研究

中外公路 2015年第4期35卷 103-106页

作者：叶华文段熹王义强佘东川 nakamura s suzumura K 西南交通大学土木工程学院四川成都610031

既有悬索桥和斜拉桥缆索常遭受腐蚀影响安全,有效防护方法很重要。该文提出6种防护方法并进行试验研究,将试件置于加速模拟腐蚀环境,对比分析各方法的有效性。首先分别对两种不同缆索形式的试件采用6种防护方法(富锌漆涂装法、环氧树脂... 详细信息

既有悬索桥和斜拉桥缆索常遭受腐蚀影响安全,有效防护方法很重要。该文提出6种防护方法并进行试验研究,将试件置于加速模拟腐蚀环境,对比分析各方法的有效性。首先分别对两种不同缆索形式的试件采用6种防护方法(富锌漆涂装法、环氧树脂漆涂装法、锌粉膏涂装法、环氧树脂填充法、油填充法和除湿法)进行试验:第一种试件为用于悬索桥梁主缆的未镀锌平行钢丝股;第二种试件为用于悬索桥吊杆和斜拉桥拉索的钢绞线。然后对试件进行加速腐蚀试验,通过分析腐蚀造成的质量损失和外观来对比各防护方法的有效性。试验结果表明:平行钢丝股经加速腐蚀试验15个月后,除湿法对表层钢丝防护最有效,其后依次是环氧树脂填充法、锌粉膏涂装法、环氧树脂漆涂装法和富锌漆涂装法,油填充法效果不明显,而内部钢丝腐蚀程度远低于表层钢丝。通过研究加速腐蚀试验16个月后的质量损失和内外层钢丝外观,防护钢绞线与未防护比较,结果表明大多数防护方法是有效的。

关键词：桥梁缆索腐蚀平行钢丝股钢绞线防护方法环氧树脂油漆除湿法

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肝静脉及下腔静脉的外科解剖

国际外科学杂志 1982年第1期09卷 22-25页

作者： nakamura s Tsuzuki T 程维鲁

肝静脉及下腔静脉撕裂伤时,多有大出血及空气栓塞,因而在处理肝切除、肝移植、肝外伤合併肝静脉撕裂时,需要掌握肝静脉及下腔静脉的精确解剖,有关肝动脉及门静脉的解剖已有大量报告,面对肝静脉的解剖却很少提及,本文就肝静脉的分支情况... 详细信息

肝静脉及下腔静脉撕裂伤时,多有大出血及空气栓塞,因而在处理肝切除、肝移植、肝外伤合併肝静脉撕裂时,需要掌握肝静脉及下腔静脉的精确解剖,有关肝动脉及门静脉的解剖已有大量报告,面对肝静脉的解剖却很少提及,本文就肝静脉的分支情况及各种类型加以澄清,同时测量下腔静脉各个分段,并对肾上腺静脉及膈静脉的类型分布加以研究,这些都对各种肝脏手术有益。

关键词：肝静脉肾静脉右叶左叶下腔静脉