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| 1 | 济州岛西南泥质区近2300a来环境敏感粒度组分记录的东亚冬季风变化显示文摘对位于东海陆架济州岛西南泥质区的B2孔进行了沉积物粒度分析,从中提取出了对沉积环境变化敏感的粒度组分.研究表明该敏感组分的粒级含量和平均粒径变化主要受东亚冬季风的强弱变化制约.根据以上粒度指标与AMS14C测年相结合建立了近2300a东亚冬季风高分辨率的时间变化序列.结果表明近2300a东亚冬季风变化和中国东部气候变化序列有较好的一致性,可以划分为四个阶段:1900aBP(50AD)以前和1450~780aBP(500~1170AD)这两个阶段东亚冬季风相对较弱,与气候变化的暖期相对应;1900~1450aBP(50~500AD)和780~219aBP(1170~1731AD)两个阶段为东亚冬季风强盛期,与气候变化的冷期对应,后者为近2300a以来最寒冷的气候阶段,对应于小冰期.其中各阶段内部东亚冬季风有明显的次级波动.在1900aBP(50AD)和780aBP(1130AD)前后有两次明显的阶段性的气候由暖转冷突变事件,后者可能与全球尺度大气环流的改变有关. | 向荣 杨作升 Y.Saito 郭志刚 范德江 李云海 肖尚斌 石学法 陈木宏 | 2006 | 中国科学(D辑)2006,36,7: | 71 |
| 2 | 冲绳海槽晚第四纪千年尺度的古海洋学研究显示文摘对位于冲绳海槽中段近槽底岩芯DGKS96 0 3有孔虫分析、AMS14 C年龄测试和FP 1 2E转换函数计算 ,获得冬季和夏季海水表面古温度随深度的变化曲线 .整个岩芯可见 7个冷期和 8个暖期 .全新世中晚期的低温事件、YD、H1、H2、H3和H4事件 ,以及末次冰期中的小冷期均有明显反映 ,说明 5 0kaBP以来的短周期变冷事件很可能具有全球性意义 .冷期时的沉积速率普遍大于暖期 ,全新世为最低 ,可能与海面上升 ,黑潮主轴西移有关 .冲绳海槽是第四纪火山活动高发区 ,可见多次火山活动留下的火山玻璃和浮岩 . | 刘振夏 Y.Saito 李铁刚 S.Berne 程振波 李培英 李珍 F.Guichard G.Floch | 1999 | 科学通报1999,44,8: | 21 |
| 3 | 冲绳海槽末次冰消期浮游有孔虫δ^(13)C的宽幅低值事件显示文摘赤道太平洋上升流区是影响全球冰期-间冰期CO2循环的重要区域.为验证末次冰消期热带低纬度太平洋表层水的δ13C宽幅低值事件的影响范围,对取自冲绳海槽中部的DGKS9603孔浮游有孔虫N.dutertrei和 G。ruberδ13C记录进行了分析.该孔浮游有孔虫δ13C记录表明在20~6 kaBP(cal)期间出现明显的变轻事件,年代跨度较大,约为14 ka,最大变幅为0.4 × 10-3,最轻值出现在15.7kaBP(cal)左右,与识别于热带太平洋及其边缘海的表层水δ13C低值事件具有非常好的可比性.由于浮游有孔虫特征属种分布特征和δ18O记录没有上升流作用及河流注入加强的证据,因此该孔所记录的浮游有孔虫δ13C的宽幅低值事件很可能是受到热带太平洋末次冰消期表层水的影响所致.该事件在冲绳海槽的识别为热带太平洋低纬度海区的水体演化在影响大区域乃至全球碳循环变化过程中所发挥的重要作用提供了新的证据. | 李铁刚 苍树溪 刘振夏 程振波 M.A.Hall Y.Saito S.Berne | 2002 | 科学通报2002,47,4: | 13 |
| 4 | 东海近3.5万年来古海洋环境变化的分子生物标志物记录显示文摘结合AMS^(14)C测年及浮游有孔虫δ^(18)O和δ^(13)C资料,分别利用U_(37)~K,∑C_(21)~-/∑C_(22)~+和Pr/Pn恢复了近3.5万年来冲绳海槽的古海洋环境变化.结果表明,近3.5万年来,冲绳海槽经历了7次较强的气候变冷事件(C1~C7)和9次陆源物质减少事件(e1~e9),其中的G1相当于全新世中晚期冷事件,C2~C4和C7分别相当于H1~H4事件,e1,对应于海水表层温度SST的降低.H事件发生时,陆源物质供应显示增加的趋势.气候变冷导致河流输运陆源物质的能力减小,冬季风输运陆源物质的能力增强,H事件与东亚冬季风密切相关末次盛冰期(25.8~15.5kaBP)还原环境发生剧烈波动,强还原事件(R1~R3)对应于SST的降低和陆源营养物质的增加,而弱还原事件(O)对应于陆源营养物质的减少.还原环境的变化与表层生产力密切相关. | 孟宪伟 杜德文 刘振夏 Y.Saito | 2001 | 中国科学(D辑)2001,31,8: | 11 |
| 5 | The paleoclimatic events and cause in the Okinawa Trough during 50 kaBP显示文摘Planktonic foraminiferal δ18O record for core DGKS9603 from the Okinawa Trough shows a series of climatic fluctuations and sudden cooling events in short time scale during 50 kaBP, which appear to correlate closely tothe Younger Dryas and Heinrich events H1-5 recorded in Chinese loess, the South China Sea, the North Atlantic cores and the Greenland ice cores. Three polarity reversal events, correlating to Gothenburg, Mungo and Laschamp events, approximately correspond to Heinrich events H1, H3 and H5 respectively, which could be a cause of global climate changes. The δ18O curve of the Okinawa Trough is well associated with the grain size record of the Lijiayuan loess profile in northwestern China and is somewhat different from the climate fluctuations documented in the Greenland ice cores. These correlation results indicate that regional factors play an important role in controlling the climate changes in the East Asia, and the East Asian Monsoon could be the prominent regional controlling factor. | S.Berne Y.Saito | 2001 | Chinese Science Bulletin2001,46,2: | 4 |
| 6 | Reconstructing sea surface temperature, sea surface salinity and partial pressure of carbon dioxide in atmosphere in the Okinawa Trough during the Holocene and their paleoclimatic implications显示文摘The sediment core DGKS9603 collected from the Okinawa Trough was used as research target. By use of unsaturated index U37^k of long-chain alkenone, δ^13C of POC and of planktonic foraminifera (G sacculifer), the evolutions of sea surface temperature and partial pressure of carbon dioxide in the atmosphere during the Holocene were reconstructed in the Okinawa Trough. And in combination of δ^18O of planktonic foraminifera, the relative difference of sea surface salinity during the Holocene was also reconstructed.Consequently, three cooling events (E1-E3) were identified,each of which occurred at 1.7-1.6, 5.1-4.8 and 8.1-7.4kaBP (cal), respectively. Of the three events, E2 and E3 are globally comparable, their occurrence mechanism would be that the main stream of the Kuroshio Current shifted eastward due to the enhanced circulation of the northeastern Pacific Ocean, which was driven in turn by amplified intensity of sunshine and subsequent enhancement of subtropical high pressure; E1 corresponds to the Small Ice-Age Event occurring between 1550 and 1850AD in China. In the Okinawa Trough, E1 might be also related to the eastward shift of main stream of the Kuroshio current driven by powerful Asia winter monsoon. | MENGXianwei LIUYanguang LlUZhenxia DUDewen HUANGQiyu Y.Saito | 2003 | Chinese Science Bulletin2003,48,B06: | 3 |
| 7 | 查看详情显示文摘 | Y.Saito | | 0,,: | 1 |
| 8 | ARB (Accumulative Roll‐Bonding) and other new Techniques to Produce Bulk Ultrafine Grained Materials显示文摘 | Y.Saito S.‐H.Lee Y.Minamino | 2003 | Adv. Eng. Mater2003,,5: | 1 |
| 9 | 过敏性鼻炎诊断和治疗的近况显示文摘既往二十年间,过敏性鼻炎患者在日本增加了2~3倍。1987年来我科的6992名病人中,患过敏性鼻炎者占14.0%(980名),其中由于柳杉花粉致敏者占48.9%,室内尘土致敏者占42.2%,草花粉者占10.0%,短叶豚草花粉者占6.8%。日本柳杉是一种常见的、典型的松柏类树木。日本柳杉花粉病是由笔者发现并命名的,现在在日本花粉病群中已经有90%,在东京本病已达到居民的7~9%。 | Y.Saito 林景明 | 1989 | 冶金医药情报1989,6,6: | 1 |
| 10 | Holocene environmental history inferred from pollen assemblages in the Huanghe (Yellow River) delta,China:Climatic changes and human impact显示文摘 | Yi S Y.Saito H.Oshima Y.Zhou and H.Wei | | 0,,5: | 1 |
| 11 | 海洋科学:济州岛西南泥质区近2300a来环境敏感粒度组分记录的东亚冬季风变化显示文摘对位于东海陆架济州岛西南泥质区的B2孔进行了沉积物粒度分析,从中提取出了对沉积环境变化敏感的粒度组分.研究表明该敏感组分的粒级含量和平均粒径变化主要受东亚冬季风的强弱变化制约.根据以上粒度指标与AMS¨C测年相结合建立了近2300a东亚冬季风高分辨率的时间变化序列.结果表明近2300a东亚冬季风变化和中国东部气候变化序列有较好的一致性,可以划分为四个阶段:1900aBP(50AD)以前和1450~780aBP(500~1170AD)这两个阶段东亚冬季风相对较弱,与气候变化的暖期相对应;1900~1450aBP(50-500AD)和780-219aBP(1170~1731AD)两个阶段为东亚冬季风强盛期,与气候变化的冷期对应,后者为近2300a以来最寒冷的气候阶段,对应于小冰期.其中各阶段内部东亚冬季风有明显的次级波动.在1900aBP(50AD)和780aBP(1130AD)前后有两次明显的阶段性的气候由暖转冷突变事件,后者可能与全球尺度大气环流的改变有关. | 向荣 杨作升 Y.Saito 郭志刚 范德江 李云海 肖尚斌 石学法 陈木宏 | 2007 | 中国学术期刊文摘2007,13,5: | 1 |
| 12 | 低频电流场颅内异物检测技术重建算法的研究显示文摘电磁场数值计算方法可用于检测颅内异物。使用的重建算法有拟牛顿法、Bulirsch-Stoer外推法、局部加速收敛法。这些算法对改善重建计算的精度起着至关重要的作用。最后,仿真计算说明算法是有效的。 | 田海燕 何为 杨浩 Y.SAITO | 2002 | 生物物理学报2002,18,4: | 1 |
| 13 | Acute encephalitis with refractory, repetitive partial seizures (AERRPS): a peculiar form of childhood encephalitis显示文摘 | H.Sakuma Y.Awaya M.Shiomi H.Yamanouchi Y.Takahashi Y.Saito K.Sugai M.Sasaki | 2010 | Acta Neurologica Scandinavica2010,,4: | 1 |
| 14 | 作物中多种有机磷农药的简便提纯和气相色谱测定显示文摘有机磷农药(OP农药)已被广泛使用,目前在日本注册的就有40余种。因此,研究作物中有机磷农药多成份残留分析的方法,是日常必不可少的工作。常用的分析方法是用活性炭柱层析进行提纯,但这种方法耗时长,而且对植物色素和其他干扰物未必都能彻底除去。在氨基甲酸酯分析中,笔者发现了一种由NH_4Cl和H_3PO_4组成的凝结剂对作物萃取物的提纯具有理想的效果。目前,配备火焰光度检测器(FPD)、氮磷检测器(NPD)或电子捕获检测器(ECD)的毛细管柱气相色谱法已应用于各种有机磷农药的检测。 | K.Sasaki T.Suzuki Y.Saito 苏小川 | 1990 | 农药译丛1990,12,2: | 0 |
| 15 | 扁平T1期结肠癌计算机辅助CT结肠成像的检出显示文摘本研究的目的是评价计算机辅助探查(CAD)软件于CT结肠成像(CTC)检查中对扁平形早期结肠癌的检出能力。CTC分期检查的病人中24例内镜分类为扁平形(宽径为高径的2倍以上),T1期结肠癌的病人纳入研究。3位有经验的放射医生在参考内镜报告后,在意见一致的条件下记录肿瘤的发生部位。随后采用CAD软件以3组滤过方式(0、0.75、1)进行分析。计算机分析结果分为真阳性(肿瘤边缘重叠)或假阳性。真阳性又进一步分为局限性或非局限性病变。24个结肠癌内窥镜分类为Ⅱa型(n=11)与Ⅱa+Ⅱc(n=13)型, | S.A.Taylorl G.Iinuma Y.Saito J.Zhang S.Halligan 唐光健 | 2008 | 国际医学放射学杂志2008,31,5: | 0 |
| 16 | 先进涂层三元催化器的开发显示文摘提高催化器性能可以改善排放,从而进一步保护环境。然而,从资源可利用的角度来看,也有进一步减少催化器活性组分中的贵金属含量的需求。为此开发了1款高性能的催化器,其采用了先进的涂层技术,减少了贵金属含量。发动机高压缩比和高废气再循环(EGR)率等降低燃油耗技术的应用通常会提高尾气中的碳氢(HC)/氮氧化物(NOx)比。研究了Pd在涂层中的涂覆位置,以提高催化器的HC催化活性。Pd对HC催化活性有较大影响,通过调整其在涂层中的涂覆位置可以改善其与尾气的接触程度。即使在空速较高的情况下也可以有效提高转化效率。对涂层结构进行了研究,尽可能提高其催化活性和储氧能力,以及提高涂层中的气体扩散性。通过控制每种涂层材料的颗粒尺寸可以提高催化剂的耐热性和储氧能力。通过细化氧化铝材料及构筑连接通道,以控制涂层厚度。这种涂层结构在不影响排气背压的情况下保证了气体扩散性。新开发的催化器具有较高的催化活性,贵金属含量减少了约20%。 | 陈佳(译) | 2021 | 汽车与新动力2021,4,2: | 0 |
| 17 | On sedimentation of phosphorus in specified area outside of the Changjiang Estuary显示文摘Phosphorus content of surface sediments(0~1cm)sampled by multicorer in specified area (31°00′~32°00′N,122°30′~124°00′E)outside of the Changjiang Estuary in October 1997 and May 1998 respectively is analyzed.Combined with the data of phosphorus concentration in seawaters,grain size and chemical composition as well as the isotopic sedimentary rate of surface sediment and etc.,it is recognized that seasonal variability of different water masses could be sensitively recorded in sediments.Distribution pattern of phosphorous in surface sediment in the area is probably both controlled by the Changjiang River diluted water mass and the Huanghai Sea and the East China Sea mixed water mass.Retransportation and resedimentation perhaps do actively happen in the study region that could make re suspended sediments release pollutants as phosphorus into seawater and have significant impacts on marine ecosystem,although it is indicated that at least some of phosphorus in sediments exists in immobile or inorganic forms. | Zhou Huaiyang 1,2 ,Pan Jianming 1,2 ,Chen Jianfang 1,2 ,Wang Huaizhao 1, Y.Saito 3,Y.Kanai 31 .SecondInstituteofOceanography ,StateOceanicAdministration ,Hangzhou 310 0 12 ,China (hyzhou @zgb com cn)2 .KeyLaboratoryofSubmarineGeoscienceofS | 2001 | Acta Oceanologica Sinica2001,20,1: | 0 |
| 18 | π~0 Photoproduction on Deuteron for Photon Energies from 0.6 to 1.15 GeV显示文摘Differential and total cross sections of the γp→π0p and the γd→π0pn reaction were measured for photon energies between 640 and 1 150 MeV. The data have been compared with SAID and MAID model calculations. π0 photoproduction on the deuteron shows a strong suppression of the 2nd resonance which is clearly seen in the γp→π0p reaction. | F.Miyahara H.Fukasawa R.Hashimoto T.Ishikawa M.Itoh T.Iwata H.Kanda J.Kasagi H.Kato T.Kinoshita K.Maeda M.Matsuzawa T.Michigami K.Motiduki K.Murakami T.Nakabayashi K.Nawa T.Nomura K.Okamura H.Okamura H.Okuyama Y.Onodera Y.Saito T.Sasaki H.Shimizu T.Shishido S.Suzuki K.Suzuki Y.Tajima S.Takita T.Takahashi H.Ueno S.Yamaguchi H.Yamazaki H.Y.Yoshida | 2009 | 原子核物理评论2009,26,S1: | 0 |