检索结果-南通市图书馆

Nuclear Science and Techniques 2008年第4期19卷 193-203页

作者： WATANABE Makoto hatano Tadashi SAITO Katsuhiko HU Weibing EJIMA Takeo TSURU Toshihide TAKAHASHI Masahiko KIMURA Hiroaki HIRONO Toko WANG Zhangshan CUI Mingqi y.MAMOTO Masaki y.NAGIHARA Mihiro Shanghai Dianji University Shanghai 200240 China Institute of Composite Materials Shanghai Jiaotong University China and Venture Business Laboratory Saga University Japan Institute of Multidisciplinary.Research for Advanced Materials Tohoku University Sendai 980-8577 Japan Changchun Institute of Optics Fine Mechanics and Physics Changchun 130033 China Japan Sy.chrotron Radiation Research Institute SPring-8 Hyogo 679-5198 Japan Institute of Precision Optical Engineering Tongji University Shanghai 200092 China BSRF Institute of High Energy Physics Beijing 100049 China

Multilay.r polarization elements and their applications to polarimetric studies in 20～400 eV region are mainly.reviewed. General principle of selecting material combinations to get high linear polarizance multilay.rs of reflection ty.e is given with practical examples,with periodic or non-periodic lay.r structures depending on the usage. Transmission ty.e is introduced as linear polarizer and phase shifter. Their applications include polarization diagnosis of laboratory.optical sy.tems and sy.chrotron radiation beamlines of linear and circular polarization,magnetic rotation experiments such as Faraday.rotation and magnetic Kerr rotation on magnetic films and multilay.rs,and ellipsometry.to measure optical constants of thin films precisely. Polarization analy.is of soft X-ray.fluorescence using multilay.r-coated grating is also mentioned. Finally.this review is summarized with outlook of further developments.

关键词： X射线偏振色散核技术

在线全文

学校读者我要写书评

暂无评论

三菱水泥公司采用节能熟料烧成系统

建材发展导向 1984年第2期 26-32页

作者： H.hatano y.Hirota A.Sasaki 郭斌淮海水泥厂

三菱矿业和水泥公司(MMCC)发展了新型的熟料煅烧系统.这个系统称为新型三菱流态分解炉系统(N-MFC系统),它是由新发展的分解炉MFC(称为N-MFC)和一个低压力损失的五级悬浮预热器(称为M-SP)组成.在发展N-MFC系统的过程中,我们特别注重了如... 详细信息

三菱矿业和水泥公司(MMCC)发展了新型的熟料煅烧系统.这个系统称为新型三菱流态分解炉系统(N-MFC系统),它是由新发展的分解炉MFC(称为N-MFC)和一个低压力损失的五级悬浮预热器(称为M-SP)组成.在发展N-MFC系统的过程中,我们特别注重了如下三点:(1)最小的能耗.在采用通常的篦式冷却机的情况下,热耗(以净热值计)应保持低于720千卡/公斤熟料.通过预热器的压力损失,即使是对于五级预热器,也应与通

关键词：旋风筒 MFC 压力损失生料悬浮预热器窑分解炉熟料烧成熟料冷却机收尘效率预热器三菱水泥

3D-ComFutaional Mesh Generation around a Propeller by.Elliptic Differential Equation Sy.tem

在线全文

同方期刊数据库

学校读者我要写书评

暂无评论

航空动力学报 1988年第1期 81-86页

作者： MakotoKOBAy.KAWAandIchirohatano Ky.to University

In this paper, an analy.ic method is applied for the generation of 3D mesh sy.tem in order for Navier-Stokes equations around ATP (Propfan). One of the advantages of this method is that mesh lines have strong differentiability. The differential equation used is Poisson ty.e and the right hand side is called control function, and this is able to control the degree of mesh line clustering. Here, the form of control function was contrived to cluster near the solid surfaces. By.this method, several mesh lines are laid in the boundary.lay.r above the blade surfaces.

关键词： line Mesh ComFutaional Mesh Generation around a Propeller by.Elliptic Differential Equation Sy.tem

Formation of Germanium-Carbon Core-Shell Nanowires by.Laser Vaporization in High-Pressure Ar Gas without the Addition of Other Metal Cataly.ts

在线全文

同方期刊数据库

学校读者我要写书评

暂无评论

Materials Sciences and Applications 2017年第12期8卷 838-847页

作者： Kazuy. hatano y.uki Asano y.uto Kameda Akira Koshio Fumio Kokai Division of Chemistry.for Materials Graduate School of Engineering Mie University Tsu Japan

Germanium (Ge)-carbon (C) core-shell nanowires (NWs), 15 - 80 nm thick and <1 μm long, were grown using continuous-wave laser vaporization of Ge-graphite composite targets in high pressure (0.1 - 0.9 MPa) Ar gas. The... 详细信息

Germanium (Ge)-carbon (C) core-shell nanowires (NWs), 15 - 80 nm thick and y.talline Ge and the shell was amorphous C. The fraction of the NWs in deposits was changed significantly.by.the Ge content in the targets and had a maximum at the Ge content of 40 atomic %. With increasing Ar pressure, thicker NWs were grown. A strong correlation was evident between the two diameters of the NW and nanoparticle (NP) attached with the tip of the NW. The growth of the NWs can be explained by.the formation of Ge-C liquid-like molten NPs having a specific range of size and composition and precipitation of Ge and C followed by.phase separation.

关键词： Laser Vaporization Germanium Carbon Nanowire Core Shell

Present Status of EUV Interferometer Development at the Research Center for Soft X-ray.Microscopy

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

光学精密工程 2001年第5期9卷 405-410页

作者： Masaki y.mamoto, Tadashi hatano, Minaji Furudate (Research Center for Soft X-ray.Microscopy. Institute of Multidisciplinary.Research for Advanced Materials, Tohoku University. Japan) Tohoku University 日本

A new interferometer for extreme ultraviolet (EUV) radiation with a laser produced plasma (LPP) laboratory.source is under construction. The LPP source is operated with a Sn solid rod target on which pulsed y.G laser is focused to produce high temperature plasma emitting EUV radiation. The source is equipped with a newly.designed debris stopper protecting a condenser multilay.r mirror from the particle debris of the target. The condenser mirror focuses the light onto an EUV beam-splitter to form transmitted and reflected paths for producing interference fringes of a sharing ty.e. The optical configuration is of a common path based on a triangular path ty.e with a focusing at the beam-splitter, which is enabled to produce fringes by.a low coherence radiation with a standard optical quality.beam-splitter. The fringes are recorded by.an imaging plate with pixels as small as 25μm. The dy.amic range of linearity.in detection of the EUV light was found to be more than 10 4 with sensitivity.of 10 4 photons/pixel, enough for the purpose of interferogram recording, possibly.with one laser shot.

关键词： soft X-ray interferometers multilay.r mirrors figure error imaging optics

Preoperative Diagnosis of Thy.oglossal Duct Cancer: A Case Report and Literature Review

在线全文

学校读者我要写书评

暂无评论

International Journal of Otolary.gology.and Head & Neck Surgery 2015年第3期4卷 196-203页

作者： Ai Suzuki Kazumasa Suzuki y.shiaki Mori y.shifumi Fujita Takashi hatano Nobuhiko Oridate Department of Otorhinolary.gology Yokosuka City Hospital Yokosuka Japan Department of Otorhinolary.gology Yokosuka Kyosai Hospital Yokosuka Japan Department of Otorhinolary.gology.Head and Neck Surgery Yokohama City University School of Medicine Yokosuka Japan

Objective: To clarify.the preoperative diagnostic rate and elucidate the morphological features of thy.oglossal duct cancer through a literature search on cases reported in Japan. Methods: A search of a medical database (Japan Medical Abstracts Society. identified 40 studies on thy.oglossal duct cancer in Japanese patients between 1976 and 2014. A total of 47 cases, including the present case, are summarized herein. Patient characteristics, preoperative diagnosis, and morphological features were reviewed and analy.ed. Morphological features of the internal portions in the cy.tic lesions were classified using the previously.reported y.kosuka Ky.sai Hospital criteria for ultrasonography.findings of thy.oid cy.tic tumors. Results: Preoperative diagnosis was described for 43 of the 47 cases. Malignancy.was suspected in 18 (41.9%) of the 43 cases on the basis of fine needle aspiration (FNA) cy.ology.(presence of suspected papillary.carcinoma cells) and imaging studies (presence of calcifications), 12 and 6 cases, respectively. Preoperative FNA was performed in 24 cases with a correct diagnosis obtained in only.12 (50%) cases. Morphological features were evaluated by.preoperative imaging studies and/or postoperative histopathology. We found 6 cases (15%) with solid lesions, 32 cases (80%) with cy.tic lesions containing a solid part, and 2 cases (5%) with solo cy.tic lesions, respectively. Calcification was observed in 28 (72.5%) cases. We further examined the internal morphology.of 32 cases with cy.tic lesions according to the criteria for ultrasonography.findings of thy.oid cy.tic tumors described in Methods. Of the 32 cases, 25 (62.5%) and 7 (17.5%) were classified as “eccentric acute angle ty.e (Ea)” and “multiseptate ty.e (M)”, respectively. The boundary.between the solid part and the cy.tic part was irregular in all 7 “M” cases. No “eccentric and blunt angle ty.e (Eb)” or “concentric ty.e (C)” lesions were observed. Conclusions: The preoperative diagnostic rate for t

关键词： Thy.oglossal Duct Cancer Thy.oglossal Duct Cy.t Preoperative Diagnosis

Correlations between Mineral Nitrogen Contents and Vertical Distribution of N20 Emission Potentials in Tropical Peat Soils Transformed into Oil Palm Plantations in Sarawak, Malay.ia

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Journal of Agricultural Science and Technology.B) 2014年第9期4卷 691-700页

作者： Sharon y. Ling Lau y.suy.ki Hashidoko Naoki Takahashi Ry.suke hatano Lulie Melling Research Faculty.of Agriculture Hokkaido University Kita 9 Nishi 9 Kita-ku Sapporo 060-8589 Japan Tropical Peat Research Laboratory.Unit Jalan Badruddin Kuching 93400 Malaysia

Tropical peat swamp forest beds that have been reclaimed for agricultural use are generally.an active source of nitrous oxide （N2O） efflux, however, the mechanism by.which reclaimed tropical peat soils promote the emergence of N2O emitters in soil microbial communities remains unclear. The purpose of this study.was to reveal the vertical distribution of N2O emission potential and its correlation with mineral nitrogen contents in reclaimed soils. Using a culture-based N2O emission assay. the N2O emission potentials of soil at various depths （0-450 cm） were investigated in two oil palm plantations in Sarawak, Malay.ia, which had elapsed times of two y.ars （E2y. and 10 y.ars （El 0y. after deforestation, respectively. On the basis of the relationship between the vertical profiles of N2O emission potentials and the contents of mineralized nitrogen in the peat soils at various depths, the impact of land management on soil microbial communities was discussed. The peat soil at plantation site E2y.showed a trend of high N2O production in deep lay.rs （200-400 cm）, whereas the older plantation site E10y.showed considerably.more active N2O emission in shallow soil （10-50 cm）. N2O emission potentials among the soil microbial communities at different soil depths at the E10y.site showed positive correlations with NO3- and NH4＋ contents, whereas, soils obtained from the E2y.site had N2O emission potentials that were inversely.proportional to the contents of NO3-. This contrasting vertical correlation between N2O-emitting potentials and mineralized nitrogen contents in bulk soils suggests that active N2O emission in deep soil at the E2y.site has maintained the original carbon-nitrogen （C/N） ratio of the peat soil, whereas at EIOy. such a regulatory.sy.tem has been lost due to advanced soil degradation, leading to dy.amic changes in the nitrogen cy.le in shallow soil.

关键词： N2O emitters tropical peat soil vertical N20 emission potential C/N ratio oil palm plantation.

Peculiar Concentration Dependence of H/D Exchange Reaction in 1-Buty.-3-methy.imidazolium Tetrafluoroborate-D<sub>2</sub>O Mixtures

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Open Journal of Phy.ical Chemistry 2011年第3期1卷 70-76页

作者： Hiroshi Abe Naohiro hatano y.suke Ima Souichi Ohta Akio Shimizu y.kihiro y.shimura 不详

We have investigated the H/D exchange reaction between heavy.water and an ionic liquid, 1-buty.-3-methy.-imidazolium tetrafluoroborate ([bmim][BF4]), throughout the whole concentration region as a function of D2O mol% at room temperature. We expected that the extent of the H/D reaction would increase linearly.with increasing content of D2O, but the results show an extended N-shaped behavior having a small maximum at around 40 mol% and the reaction becomes very.slow at a specific concentration around 80 mol%. We found that this non-linear concentration dependence correlates with the pD dependence of the solutions.

关键词： H/D Exchange Reaction pD NMR Ionic Liquid

Influence of Agricultural Activity.on Nitrogen Budget in Chinese and Japanese Watersheds

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Pedosphere 2012年第2期22卷 137-151页

作者： S. D. KIMURA y.N Xiao-y.an R. hatano A. HAy.KAWA K. KOHy.MA TI Chao-Pu DENG Mei-Hua M. HOJITO S. ITAHASHI K. KURAMOCHI CAI Zu-Cong M. SAITO Toky. University.of Agriculture and Technology Tokyo （Japan） Institute of Soil Science Chinese Academy of Sciences Nanjing 210008 （China） Hokkaido University Sapporo （Japan） Akita Prefectural University Akita （Japan） National Institute for Agro-Environmental Sciences Tsukuba （Japan） Kitasato University Towada （Japan） Tohoku University Osaki （Japan）

To analy.e the effect of agricultural activity.on nitrogen(N) budget at the watershed scale,a comparative study.was conducted at two Japanese watersheds,the Shibetsu River watershed(SRW) and Upper-Naka River watershed(UNRW),and one Chinese watershed,the Jurong Reservoir watershed(JRW).The total area and the proportion of agricultural area(in parentheses) of the watersheds were 685(51%),1 299(21%),and 46 km 2(55%) for SRW,UNRW,and JRW,*** main agricultural land use in SRW was forage grassland,while paddy.fields occupied the highest proportion of cropland in UNRW(11% of total area) and JRW(31% of total area).The farmland surplus N was 61,48,and 205 kg N ha 1 y.ar 1 for SRW,UNRW,and JRW,*** total input and output for the whole watershed were 89 and 76,83 and 61,and 353 and 176 kg N ha 1 y.ar 1 for SRW,UNRW,and JRW,*** proportion of discharged N to net anthropogenic N input was 31%,37%,and 1.7% for SRW,UNRW,and JRW,*** two watersheds in Japan showed similar proportions of discharged N to those of previous reports,while the watershed in China(JRW) showed a totally.different characteristic compared to previous *** high N input in JRW did not increase the amount of discharged N at the outlet of the watershed due to high proportions of paddy.fields and water bodies,which was an underestimated N sink at the landscape scale.

关键词： anthropogenic nitrogen input denitrification discharged nitrogen land use nitrogen balance

Microstructure,hardening and deuterium retention in CVD tungsten irradiated with neutrons at temperatures of defect recovery.stagesⅡandⅢ

在线全文

学校读者我要写书评

暂无评论

Tungsten 2022年第3期4卷 248-260页

作者： Xiao-Ou y. Tatsuy. Kuwabara Vladimir KhAlimov y.-Feng Du Wen-Tuo Han Ping-Ping Liu Bin-y.u y.n Jiu-Peng Song Kenta y.shida Takeshi Toy.ma Fa-Rong Wan Somei Ohnuki y.ji hatano y.suy.shi Nagai School of Materials Science and Engineering University of Science and Technology BeijingBeijing100083China Graduate School of Engineering Nagoya UniversityFuro-choChikusa-kuNagoya464-8063Japan Frumkin Institute of Phy.ical Chemistry.and Electrochemistry Russian Academy of SciencesMoscow119071Russia Institute for Materials Research Tohoku UniversityNarita-cho 2145-2OaraiIbaraki311-1313Japan Xiamen Tungsten Co.Ltd. Xiamen361021China School of Materials Science and Engineering Xihua UniversityChengdu610039China Hy.rogen Isotope Research Center University of ToyamaToyama930-8555Japan

Samples of ultra-high-purity.tungsten prepared using chemical vapour deposition(CVD)technique were irradiated with neutrons at temperatures T_(irr)=373-483 K(stage Ⅱ of defect recovery.and T_(irr)=573-673 K(stage Ⅲ)up to 0.15 displacements per atom(dpa)in the Belgian reactor(BR2).The study.of the microstructure of neutron-damaged samples using transmission electron microscopy.TEM)revealed visible defects with a predominance of dislocation *** an increase in the neutron irradiation temperature,the spatial distribution of the loops acquired pronounced inhomogeneity.and their average size moderately.*** and voids were not ***-induced hardening was found and a linear correlation was obtained between Vickers microhardness and nanohardness for undamaged and neutron-irradiated CVD-W *** of tungsten with neutrons led to a significant increase in the retention of deuterium,which accumulated mainly.in vacancy.ty.e ***,the influence of the columnar grain structure in low-dose neutron-irradiated tungsten seemed to be non-trivial upon deuterium retention.

关键词： CVD-W Neutron irradiation Microstructure Hardening Deuterium retention