著者

KOSAKA Yuki KOBAYASHI Shinya HARADA Yayoi KOBAYASHI Chiaki NAOE Hiroaki YOSHIMOTO Koichi HARADA Masashi GOTO Naochika CHIBA Jotaro MIYAOKA Kengo SEKIGUCHI Ryohei DEUSHI Makoto KAMAHORI Hirotaka NAKAEGAWA Tosiyuki TANAKA Taichu Y. TOKUHIRO Takayuki SATO Yoshiaki MATSUSHITA Yasuhiro ONOGI Kazutoshi

出版者

公益社団法人 日本気象学会

雑誌

気象集誌. 第2輯 (ISSN:00261165)

巻号頁・発行日

pp.2024-004, (Released:2023-11-02)

被引用文献数

4

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The Japan Meteorological Agency (JMA) has developed the third Japanese global atmospheric reanalysis, the Japanese Reanalysis for Three Quarters of a Century (JRA-3Q). The objective of JRA-3Q is to improve quality in terms of issues identified in the previous Japanese 55-year Reanalysis (JRA-55) and to extend the reanalysis period further into the past. JRA-3Q is based on the TL479 version of the JMA global Numerical Weather Prediction (NWP) system as of December 2018 and uses results of developments in the operational NWP system, boundary conditions, and forcing fields achieved at JMA since JRA-55. It covers the period from September 1947, when Typhoon Kathleen brought severe flood damage to Japan, and uses rescued historical observations to extend its analyses backwards in time about 10 years earlier than JRA-55. This paper describes the data assimilation system, forecast model, observations, boundary conditions, and forcing fields used to produce JRA-3Q as well as the basic characteristics of the JRA-3Q product. The initial quality evaluation revealed major improvements from JRA-55 in the global energy budget and representation of tropical cyclones (TCs). One of the major problems in JRA-55—global energy imbalance with excess upward net energy flux at the top of the atmosphere and at the surface—has been significantly reduced in JRA-3Q. Another problem—a trend of artificial weakening of TCs—has been resolved through the use of a method that generates TC bogus based on the JMA operational system. There remain several problems such that volcanic-induced stratospheric warming is smaller than expected. This paper discusses the causes of such problems and possible solutions in future reanalyses.

著者

Y. Shiratsuchi T. V. A. Nguyen R. Nakatani

出版者

The Magnetics Society of Japan ( Nihon Jiki Gakkai )

雑誌

Journal of the Magnetics Society of Japan (ISSN:18822924)

巻号頁・発行日

vol.42, no.6, pp.119-126, 2018-11-01 (Released:2018-11-01)

参考文献数

52

被引用文献数

3 5

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Cr2O3 is a magnetoelectric antiferromagnet, and its antiferromagnetic domain state is controllable by the simultaneous application of magnetic and electric fields. In the 2000s, that is, more than 50 years since the discovery of the magnetoelectirc effect in Cr2O3, efforts were initiated apply this effect to engineering applications. In this article, we review the recent progress of the magnetoelectric control of the antiferromagnetic domain state and the related phenomena of Cr2O3, in particular, in an all-thin film system, an essential step to the application.

著者

X. Zhang J. Xia O. A. Tretiakov H. T. Diep G. Zhao J. Yang Y. Zhou M. Ezawa X. Liu

出版者

The Magnetics Society of Japan ( Nihon Jiki Gakkai )

雑誌

Journal of the Magnetics Society of Japan (ISSN:18822924)

巻号頁・発行日

vol.47, no.1, pp.20-27, 2023-01-01 (Released:2023-01-01)

参考文献数

82

被引用文献数

1

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Topological spin textures on artificial pinning landscape may show unique static and dynamic properties. Here, we computationally show that the helicity of frustrated skyrmions on an artificial square-grid obstacle pattern can be switched by a spin current pulse. The obstacle pattern is formed by defect lines with enhanced perpendicular magnetic anisotropy, which could protect the skyrmion from being annihilated at the sample edge. It is found that the skyrmion driven by a moderate current shows a circular motion guided by the boundary of the obstacle pattern, while it shows an almost straight motion toward the sample edge in the absence of the obstacle pattern. By applying a short pulse current to drive the skyrmion in a sample with the obstacle pattern, we find that the helicity of the skyrmion could be switched between Bloch-type configurations favored by the dipole-dipole interaction. Besides, we demonstrate the possibility of switching the helicity of an array of skyrmions on the square-grid obstacle pattern using the same method. Our results could be useful for the helicity control of topological spin textures, and may provide guidelines for building future helicity-based spintronic functions.

著者

Elena Favilli y Francesca Cavallo [traducción Ariadna Molinari Tato]

出版者

Destino Infantil y Juvenil

巻号頁・発行日

2017

著者

Duck Y. Hwang Yong M. Kim Dong H. Shin

出版者

The Japan Institute of Metals and Materials

雑誌

MATERIALS TRANSACTIONS (ISSN:13459678)

巻号頁・発行日

vol.50, no.3, pp.671-678, 2009-03-01 (Released:2009-02-25)

参考文献数

23

被引用文献数

39 47

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Plasma Electrolyte Oxidation (PEO) behavior of AZ91 Mg alloy was investigated in the electrolytes with/without potassium fluoride. Growth rate of coating thickness in the electrolyte containing potassium fluoride (Bath B) was much higher than that in the electrolyte without potassium fluoride (Bath A). The oxide layer formed on AZ91 Mg alloy in electrolyte with potassium fluoride and sodium silicate consisted of MgO, MgF2 and Mg2SiO4. Corrosion current density of oxide layer coated from the electrolyte with potassium fluoride was much lower than that of oxide layer coated from the electrolyte without potassium fluoride. From the result of EIS analysis, it was known that inner barrier layer in the oxide layer coated from the electrolyte with potassium fluoride had a good influence of the corrosion resistance of Mg alloy. The corrosion resistance curves of Bath B were similar to the thickness curves, indicating that the thickness of the oxide layer played an important role in corrosion resistance of AZ91 Mg alloy. The oxide layer in the Bath B containing potassium fluoride was found to be a compact barrier-type passive film in presence of fluoride ions. The existence of the dense MgO and MgF2 in the barrier layer had a favorable effect on the corrosion resistance of the AZ91 Mg alloy formed from Bath B by PEO process.

著者

D. Oyama N. Tsuyuguchi J. Hirama Y. Adachi J. Kawai

出版者

The Magnetics Society of Japan

雑誌

Journal of the Magnetics Society of Japan (ISSN:18822924)

巻号頁・発行日

pp.2307R004, (Released:2023-06-02)

参考文献数

25

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Ultra-low field (ULF) magnetic resonance imaging (MRI) is considered an innovative MRI technique that can be combined with magnetoencephalography (MEG). In this study, a 1-mT ULF-MRI system without a pre-polarization technique aiming at combining an MEG system is developed. The intensity of the static magnetic field B0 is decided considered to be 1 mT because of the limitation of the magnetic field exposed to our MEG sensor made of superconducting quantum interference devices (SQUIDs). A square-shaped (750 mm × 750 mm) B0-coil based on a Merritt-type configuration is fabricated. The inhomogeneity of B0 is less than 0.07 % in the ±125 mm area. Further, an induction coil is employed to detect the magnetic resonance signal instead of the SQUID sensors of the MEG to confirm the feasibility of realizing MRI measurement at 1 mT without the pre-polarization technique. Relaxation time measurements and MR imaging of a phantom made of a CuSO4 aqueous solution are performed. Reasonable longitudinal and transverse relaxation times are obtained, and clear shapes of the phantom are obtained using the gradient- and spin-echo pulse sequences with this ULF-MRI system. These results indicate the potential of the proposed 1-mT ULF-MRI to effectively integrate ULF-MRI and MEG systems without pre-polarization.

著者

N. Y.

出版者

公益社団法人 日本農芸化学会

雑誌

日本農芸化学会誌 (ISSN:00021407)

巻号頁・発行日

vol.55, no.2, pp.179-181, 1981 (Released:2008-11-21)

著者

坂元 義種 Y. Sakamoto

雑誌

京都府立大學學術報告. 人文 = The scientific report of Kyoto Prefectural University. Humanistic science (ISSN:00757381)

巻号頁・発行日

vol.20, pp.36-60, 1968-10-25

著者

高木 英典 花栗 哲郎 HAROLD Y. Hwang 笹川 崇男

出版者

東京大学

雑誌

基盤研究(A)

巻号頁・発行日

2004

---

本研究課題では、強相関エレクトロニクスヘの展開を念頭に置き、モット絶縁体における半導体物理を構築することを目的とした。具体的にはモット絶縁体中の不純物状態、界面障壁、トランジスタ動作の研究を進め、それらが通常の半導体物理からどのような修正を受けるのかということについて実験的検証を進めた。その結果、以下のような成果を得ることに成功した。1.STM/STSを用いた実空間局所電子状態観察を行い、強相関系特有の磁気・軌道臨界状態にある遷移金属酸化物Sr_3Ru_2O_7を対象として不純物状態および界面状態の考察を進めた。意図的に導入したMn不純物の影響の長さスケールが数nmに及ぶことや表面での電子再構成・強磁性臨界性に由来する低エネルギーでの電子状態密度の異常を発見した。2.有機ゲート薄膜を用いた酸化物トランジスタの構築を考案し、そのペロブスカイト酸化物SrTiO_3への適用を試みた。その結果、低温で世界初の電界誘起金属-絶縁体転移を実現し、その状態において1000cm^2/Vsを凌駕する移動度を達成した。また、磁気抵抗の異方性の評価からSrTiO_3界面において厚さ数nm程度の二次元金属層が生じていることを明らかにした。3.遷移金属酸化物の抵抗変化メモリ効果がNiOやCuOなどの単純な二元系遷移金属酸化物で普遍的に観測されることを見出した。そして、平面型素子の作製、その表面状態の直接観察や電圧電流特性の系統的な評価から、抵抗スイッチングが酸化物バルク領域の伝導フィラメント形成に由来していること、伝導フィラメント-金属電極界面における障壁がメモリ評価を生じていることを実験的に明らかにした。

著者

井之口 有一 堀井 令以知 中井 和子 Y. Inokuti R. Horii K. Nakai

雑誌

西京大學學術報告. 人文 = The scientific reports of Saikyo University. Humanistic science

巻号頁・発行日

vol.10, pp.22_a-1_a, 1958-10-25

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In Part I, we touched on the ancient court-lady speechs which have persisted in Daisyozi Amamonzeki nunnery. The present paper is an attempt to explain some linguistic circumstances in this nunnery. It is difficult to classify the extremely varied assertions which have been made connecting lingustic and nonlinguistic behavior. Therefore, in this paper, we will primarily ask three kinds of nonlinguistic questions : 1) What are the natures of human relation connected with Daisyozi and Imperial palace, of social circles and their manners and customs? 2) What are the year's regular functions in Daisyozi? (the Feast of the Seven Herbs of Health, Kazyo, the moonlight party and ancient customs etc.) 3) What kinds of education and recreation were done for the nuns? (the distinctive perception of public and private affairs, Kiyo and Otugi, Genzimonogatari cards and others) Thus, we intend to treat in next Parts on the correlation between some aspects of language and non-linguistic phenomena in this nunnery.

著者

Hope Lee Lee Daniel Riedel Jakob Grzesik Jason F. Herrmann Shahriar Aghaeimeibodi Jean-Michel Borit Vahid Ansari Hubert S. Stokowski Luke Qi Taewon Park Alex Y. Hwang Timothy P McKenna Patrick McQuade Haiyu Lu Zhi-Xun Shen Amir Safavi-Naeini Jelena Vučković

雑誌

PECS-XIII

巻号頁・発行日

2023-02-08

著者

Y. Shimojo T. Nishimura H. Hazama N. Ito K. Awazu

出版者

International Phototherapy Association

雑誌

LASER THERAPY (ISSN:08985901)

巻号頁・発行日

vol.29, no.1, pp.61-72, 2020 (Released:2020-07-17)

参考文献数

59

被引用文献数

7 12

---

Background and Objectives: Computational clinical trial (CCT) in the field of laser medicine promotes clinical application of novel laser devices, because this trial carried out based on numerical modeling of laser-tissue interactions and simulation of a series of treatment process. To confirm the feasibility of the computational clinical trial of skin treatment with a novel picosecond laser, this paper presents an evaluation method of the safety. Study Design/Materials and Methods: In this method, the light propagation and thermal diffusion process after ultrashort light pulse irradiation to a numerical skin model is calculated and the safety based on the photothermal damage is evaluated by computational modeling and simulation. As an example, the safety of a novel picosecond laser device was examined by comparing with several laser devices approved for clinical use. Results: The ratio of the maximum thermal damage induced by picosecond laser irradiation was 1.2 × 10-2 % at the epidermis, while that caused by approved laser irradiation was 99 % at the capillary vessels. The numerical simulation demonstrated that less thermal damage was observed compared with the approved devices. The results show the safety simulated by photothermal damage calculation was consistent with the reported clinical trials. Conclusions: This computational clinical trial shows the feasibility of applying computational clinical trials for the safety evaluation of novel medical laser devices. In contrast to preclinical and clinical tests, the proposed computational method offers regulatory science for appropriately and quickly predicting and evaluating the safety of a novel laser device.

著者

Ryutaro Kashikuma Makoto Nagano Hiroki Shimamura Kouya Nukaga Ikumi Katsumata Junko Y. Toshima Jiro Toshima

出版者

Japan Society for Cell Biology

雑誌

Cell Structure and Function (ISSN:03867196)

巻号頁・発行日

vol.48, no.1, pp.19-30, 2023 (Released:2023-01-28)

参考文献数

54

被引用文献数

1

---

Phosphatidylserine (PS) is a constituent of the cell membrane, being especially abundant in the cytoplasmic leaflet, and plays important roles in a number of cellular functions, including the formation of cell polarity and intracellular vesicle transport. Several studies in mammalian cells have suggested the role of PS in retrograde membrane traffic through endosomes, but in yeast, where PS is localized primarily at the plasma membrane (PM), the role in intracellular organelles remains unclear. Additionally, it is reported that polarized endocytic site formation is defective in PS-depleted yeast cells, but the role in the endocytic machinery has not been well understood. In this study, to clarify the role of PS in the endocytic pathway, we analyzed the effect of PS depletion on endocytic internalization and post-endocytic transport. We demonstrated that in cell lacking the PS synthase Cho1p (cho1Δ cell), binding and internalization of mating pheromone α-factor into the cell was severely impaired. Interestingly, the processes of endocytosis were mostly unaffected, but protein transport from the trans-Golgi network (TGN) to the PM was defective and localization of cell surface proteins was severely impaired in cho1Δ cells. We also showed that PS accumulated in intracellular compartments in cells lacking Rcy1p and Vps52p, both of which are implicated in endosome-to-PM transport via the TGN, and that the number of Snx4p-residing endosomes was increased in cho1Δ cells. These results suggest that PS plays a crucial role in the transport and localization of cell surface membrane proteins.Key words: phosphatidylserine, endocytosis, recycling, vesicle transport

著者

M. K. TUNÇER N. OSHIMAN S. BARIS Z. KAMACI M. A. KAYA A. M. ISIKARA Y. HONKURA

出版者

Society of Geomagnetism and Earth, Planetary and Space Sciences

雑誌

Journal of geomagnetism and geoelectricity (ISSN:00221392)

巻号頁・発行日

vol.43, no.11, pp.937-950, 1991 (Released:2010-09-14)

参考文献数

16

被引用文献数

16 16

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Observations of the geomagnetic total intensity have been carried out from time to time in a possible seismic gap region in the western part of the North Anatolian Fault Zone (NAFZ), in an attempt to trace faultlines through magnetic characteristics and also to relate the characteristics to fault activity. Here we report the results of profile measurements made across the Iznik-Mekece fault as well as our interpretation. The anomalies which we found near Iznik City are similar with the ones that have been found along the eastern part of the Iznik-Mekece fault and hence they could be interpreted in terms of a dike-like structure in the andesite zone adjacent to the fault. In this area the northern edge of the dike-like structure turns out to correspond to the faultline, providing a piece of evidence for the location of faultline. In addition, the dip angle of the dike-like structure provides information on the dip-slip constituent of the primarily right-lateral Iznik-Mekece fault.

著者

Kohei Ogawa Naho Morisaki Aurelie Piedvache Chie Nagata Haruhiko Sago Kevin Y. Urayama Kazuhiko Arima Takayuki Nishimura Kiyomi Sakata Kozo Tanno Kazumasa Yamagishi Hiroyasu Iso Nobufumi Yasuda Tadahiro Kato Isao Saito Atsushi Goto Taichi Shimazu Taiki Yamaji Motoki Iwasaki Manami Inoue Norie Sawada Shoichiro Tsugane

出版者

Japan Epidemiological Association

雑誌

Journal of Epidemiology (ISSN:09175040)

巻号頁・発行日

vol.32, no.4, pp.168-173, 2022-04-05 (Released:2022-04-05)

参考文献数

33

被引用文献数

6

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Background: Although prevalence of low birth weight has increased in the last 3 decades in Japan, no studies in Japanese women have investigated whether birth weight is associated with the risk of pregnancy complications, such as pregnancy-induced hypertension (PIH) and gestational diabetes mellitus (GDM).Methods: We used data from the Japan Public Health Center-based Prospective Study for the Next Generation (JPHC-NEXT), a population-based cohort study in Japan that launched in 2011. In the main analysis, we included 46,365 women who had been pregnant at least once, for whom information on birth weight and events during their pregnancy was obtained using a self-administered questionnaire. Women were divided into five categories according to their birth weight, and the relationship between birth weight and risk of PIH and GDM was examined using multilevel logistic regression analyses with place of residence as a random effect.Results: Compared to women born with birth weight of 3,000–3,999 grams, the risk of PIH was significantly higher among women born <1,500 grams (adjusted odd ratio [aOR] 1.60; 95% confidence interval [CI], 1.17–2.21), 1,500–2,499 grams (aOR 1.16; 95% CI, 1.03–1.30), and 2,500–2,999 grams (aOR 1.13; 95% CI, 1.04–1.22). The risk of GDM was significantly higher among women born 1,500–2,499 grams (aOR 1.20; 95% CI, 1.02–1.42), albeit non-significant association among women in other birthweight categories.Conclusions: We observed an increased risk of PIH among women born with lower birth weight albeit non-significant increased risk of GDM among Japanese women.

著者

N. Y.

出版者

公益社団法人 日本農芸化学会

雑誌

日本農芸化学会誌 (ISSN:00021407)

巻号頁・発行日

vol.55, no.6, pp.539-541, 1981 (Released:2008-11-21)

被引用文献数

1

著者

Y. Sinotô

出版者

Japan Mendel Society, International Society of Cytology

雑誌

CYTOLOGIA (ISSN:00114545)

巻号頁・発行日

vol.27, no.3, pp.306-313, 1962-10-25 (Released:2009-03-19)

参考文献数

11

被引用文献数

5 7

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1. Somatic chromosomes were counted by the root squash in 15 genera, in which 97 species and varieties, and 40 hybrids are included. The hybrids are 14 kinds of genus combinations in the Oncidium alliance.2. New numbers (2n) were added in species: 2n=24, 26, 30, 32, 37, 40, 60, 84, 133 and 168 (Tables 1-3).3. The basic numbers of chromosomes in the Oncidium alliance may be 5 and 7.4. Most of the hybrids studied showed the sum of their parents' chromosome numbers though some hybrids have not (Table 4).5. The chromosome numbers found in the hybrids are as follows (Table 4): 2n=28, 32, 34, 40, 41, 42, 44, 49, 50, 56, 58, 59, 60, 61, 76, 80, 84 and 112.6. Karyotypes could be analysed in some species and hybrids. Generally only constrictions can be seen, and trabants, seta, etc. can not easily be recognized.

著者

Faniel S. Matsuura T. Mineshige S. Sekine Y. Koga T.

出版者

American Physical Society

雑誌

Physical Review B (ISSN:10980121)

巻号頁・発行日

vol.83, no.11, pp.115309, 2011-03-15

被引用文献数

48

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We report the determination of the intrinsic spin-orbit interaction (SOI) parameters for In0.53Ga0.47As/In0.52Al0.48As quantum wells (QWs) from the analysis of the weak antilocalization effect. We show that the Dresselhaus SOI is mostly negligible in this system and that the intrinsic parameter for the Rashba effect, a_[SO] ≣ 1 α/&lt; Ez &gt;, is given to be a_[SO]m*/m_[e] = (1.46-1.51 x 10^[-17] N_[S] [m^[-2]]) e Å^[2], where α is the Rashba SOI coefficient, &lt; Ez &gt; is the expected electric field within the QW, m*/m_[e] is the electron effective mass ratio, and N_[S] is the sheet carrier density. These values for a_[SO]m* were also confirmed by the observation of beatings in the Shubnikov-de Haas oscillations in our most asymmetric QW sample.

著者

津田 泰弘 Y. Tsuda

雑誌

人文論究 (ISSN:02866773)

巻号頁・発行日

vol.33, no.4, pp.91-115, 1984-02-20

著者

AKKEMIK KUCUKALI 新見 陽子 Fuentes・Cordoba Gabriel C Y.Horioka 庄司 匡宏

出版者

山口大学

雑誌

国際共同研究加速基金(国際共同研究強化(B))

巻号頁・発行日

2021-10-07

---

After the breakout of the civil war in Syria in 2011, Turkey faced a serious refugee exodus. After a decade, the population of refugees rose to 4 million and they are scattered all over the country from bordering provinces to big cities. The literature so far studied the consequences of this inflow of refugees on economic outcomes, e.g., wages, employment, and housing demand. Yet, the impacts on wellbeing and social capital (e.g., trust and altruism) of both locals and refugees is still unexplored. This project aims to examine it via a multi-focal attempt relying on a large national survey.