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Late Mesozoic extensional tectonics of the Liaodong Peninsula massif:Response of crust to continental lithosphere destruction of the North China Craton

Late Mesozoic extensional tectonics of the Liaodong Peninsul...

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中国科学院地质与地球物理研究所第11届（2011年度）学术年会

作者： LIN Wei~(1*),WANG QingChen~1,WANG Jun~(1,2),WANG Fei~1,CHU Yang~(1,2) & CHEN Ke~(1,2) 1 State Key Laboratory of Litho spheric Evolution,Institute of Geology and Geophysics,chinese academy of sciences,beijing 100029,China 2 graduate school of chinese academy of sciences,beijing 100049,China

Unlike most Precambrian cratons that have thick sub-continental lithospheric roots,the Archean lithosphere beneath the North China Craton is thin(reduced from 200 km to about 80 km),and has been replaced by a geochemicaliy juvenile lithospheric *** is a unique regional geological event,which has attracted worldwide *** the North China Block,Late Mesozoic extensional tectonics is evident by low-angle detachment faults,syntectonic plutons bounded by ductile faults, metamorphic core complexes(MCC) and widespread Jurassic to Cretaceous half-grabens filled by continental terrigenous deposits and volcanic *** a regional scale,these structures share the same NW-SE extensional direction,while maintaining their own individual *** other words,the MCC feature a top-to-the-NW sense of shear,and syntectonic plutons are typified by a top-to-the-SE shearing *** results indicate that the extensional structures were formed between 130-120 *** extensional events lead to magmatic rock emplacement,distributed at the footwall of the detachment *** different exhumation stages can be identified based on regional structural and magmatic interpretation: a Jurassic slow or negligible exhumation and a Cretaceous fast one assisted by normal *** two cooling stages correspond to distinct geodynamic processes that occurred during the Jurassic and *** tectonics appear to have been insignificant before the Early Cretaceous,and the process may be demonstrated by partial melting of the *** second stage,dominated by an extensional regime,developed after ca 120 Ma,and is tentatively correlated with crustal extension caused by lithospheric removal of the North China Craton.

关键词： Liaodong Peninsula massif geometry and kinematics Late Mesozoic extensional tectonics destruction of the North China Craton

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MICRO/NANOFLUIDIC TECHNIQUES FOR ELECTROKINETICINJECTION AND SAMPLE PRECONCENTRATION

MICRO/NANOFLUIDIC TECHNIQUES FOR ELECTROKINETICINJECTION AND...

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庆祝中国力学学会成立50周年暨中国力学学会学术大会’2007

作者： JIN Qinghui~(*,2)) ZHUANG Guisheng~(*,**) LlU Jing~(*,**) ZHAO Jianlong~* *(Shanghai Institute of Microsystem and Information Technology,chinese academy of sciences,Shanghai 200050,China) **(graduate school of the chinese academy of sciences,beijing 100049,China)

In this paper,micro/nanofluidic techniques for electrokinetic injection and sample preconcentration were developed. A novel double focus injection technique was designed for delivering high-quality sample plugs into the separation channel of a microchip capillary electrophoresis(μ-CE) *** microchip involved four focusing channels in which symmetrical potentials were loaded to form a unique parallel electric field

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两光纤激光器相干合成的实验研究

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物理学报 2008年第9期57卷 5627-5631页

作者：王建明段开椋王屹山中国科学院西安光学精密机械研究所瞬态光学与光子技术国家重点实验室

利用迈氏腔技术,进行了光子晶体光纤(PCF)激光器相干合成的实验研究,实现了两光子晶体光纤激光器的相位锁定,获得了功率为47 W的相干输出.解释了在迈氏腔的两个输出光路上分别实现相干相长和相干相消的物理机理.实验结果表明,合成激光... 详细信息

利用迈氏腔技术,进行了光子晶体光纤(PCF)激光器相干合成的实验研究,实现了两光子晶体光纤激光器的相位锁定,获得了功率为47 W的相干输出.解释了在迈氏腔的两个输出光路上分别实现相干相长和相干相消的物理机理.实验结果表明,合成激光光谱较单台PCF激光器的激光光谱有显著的改善,波长带宽小于5 nm.

关键词：光子晶体光纤相位锁定迈氏腔光纤激光器

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The effect of carbon concentration,pH and depth of medium on the absorption ratio of bubbling carbon dioxide

The effect of carbon concentration,pH and depth of medium on...

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中国海洋湖沼学会藻类学分会第七届会员大会暨第十四次学术讨论会

作者： Dacong Yin~(a,b) Yahong Geng~a Hongjun Hu~a Jianping Gui~a Yeguang Li~(a*) a Wuhan Botanical Garden,the chinese academy of Scionces,Wuhan 430074 China b graduate school of the chinese academy of sciences,beijing 100049:China

In mass culture of micro alga,in order to maintain certain carbon concentration and pH of micro alga suspension,and to achieve steady high productivity,replenishment of carbon source is *** bubbling is a simple and widely applied CO supply technique;it suits paddle-wheeled shallow ponds and many kinds of closed and semi-closed *** effects of carbon concentration,pH and depth of medium on the CO absorption ratio were thoroughly investigated in this work,and evidence for improvement of CO utilization in mass culture of micro algae were *** to the significance,the factors affecting CO absorption ratio,lined up as:depth of solution, carbon concentration,and pH of *** solution depth of 10cm,20cm,40cm and 80cm,when carbon concentration increased from 4.76mmol/L to 95.24mmol/L,CO absorption ratio increased about 12%,10%,12% and 11% respectively;At carbon concentration of 4.76retool/L,9.52 mmol/L and 95.24retool/L;when solution depth increased from 10cm to 80cm,CO absorption ratio increased about 25%,22% and 25% respectively;Both depth of solution and carbon concentration affected CO absorption ratio significantly,it was indicated by variance analysis that the interaction between two factors did not have significant effect on CO absorption *** the range of pH 7.0-10.6,pH affected CO absorption ratio,and the degree of effectiveness was positively associated with the carbon *** concentration 9.52mmol/L was the turning point;at carbon concentration below 9.52mmol/L,pH had no significant effect on CO2 absorption ratio;at carbon concentration above 9.52mmol/L,pH affected CO absorption ratio *** pH is the pH when the partial pressure of CO in the medium equals the partial pressure of CO in air,and is one of the important chemical parameter of *** pH of several medium with different carbon concentration were determined by experiment,the relationship between equilibrium pH and car

关键词： carbon dioxide absorption ratio carbon resource conccntration depth of medium potential of hydrogen

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Different roles of Ekman pumping in the west and east segments of the South China Sea Warm Current

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Acta Oceanologica Sinica 2011年第3期30卷 1-13页

作者： WANG Qiang WANG Yinxia BO Hong ZHOU Weidong WANG Dongxiao Key Laboratory of Tropical Marine Environmental Dynamics South China Sea Institute of Oceanology Chinese Academy of Sciences Guangzhou 510301 China graduate school of the chinese academy of sciences Beijing 100049 China South China Sea Marine Engineering and Environment Institute of State Oceanic Administration Guangzhou 510300 China Virginia Institute of Marine Science College of William and Mary VA 23062 USA

A three-dimensional model is used to investigate the mechanism of the South China Sea （SCS） winter counter-current （also known as the SCS Warm Current, or the SCSWC）, which flows against the wind. The model can reproduce the structure of the band-like currents over the northern shelf of the SCS, including the westward coastal current and slop current, and the SCSWC sandwiched in between. Sensitivity experiments are designed to understand the different roles of Ekman pumping of the SCSWC at different longitude. The results show that the Ekman pumping drives the SCSWC in the west segment. In the east, it is not the Ekman pumping but the intrusion of the Kuroshio that drives the SCSWC.

关键词： SCSWC Ekman pumping northern South China Sea numerical model

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Preparation and Characterization of Porous Spherical LiFePO_4/C by Spray Drying and Carbothermal Method

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Journal of Wuhan University of Technology(Materials Science) 2007年第B12期22卷 853-855页

作者：于锋张敬杰 Technical Institute of Physics and Chemistry Chinese Academy of Sciences graduate school of the chinese academy of sciences Beijing 100049China

The porous spherical LiFePO4/C powders were prepared by spray drying and carbothermal method （SDCTM）. Cheaper trivalent iron ion was used as the precursor. The pure olivine phase can be prepared with the spray drying and subsequent heat-treatment. The average particle size is around 10μm, and the value of porosity is 63.04%. The results indicate that the initial discharge capacity decreases with increasing charge/ discharge rate and reduces from 138.8 mAh · g^-1 at C/20 rate to 98.3 mAh ·g^-1 at 2C rate, while the polarization between the charge and discharge plateaux is enlarged from 53 mv to 347 mv. However, the average discharge efficiency is up to 99.5% at 2C rate compared to 80.6% at C/20 rate from the second cycle.

关键词： LiFePO4 spherical porosity discharge efficiency spray drying and carbothermal method (SDCTM)

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Geochemical and isotopic characteristics of volcanic rocks from the northern East China Sea shelf margin and the Okinawa Trough

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Acta Oceanologica Sinica 2010年第4期29卷 48-61页

作者： ZENG Zhigang YU Shaoxiong WANG Xiaoyuan FU Yongtao YIN Xuebo ZHANG Guoliang WANG Xiaomei CHEN Shuai Seafloor Hydrothermal Activity Laboratory of the Key Laboratory of Marine Geology and Environment Institute of Oceanology Chinese Academy of Sciences Qingdao 266071 China graduate school of chinese academy of sciences Beijing 100049 China

Volcanic rocks both from the northern East China Sea （NECS） shelf margin and the northern Okinawa Trough are subalkaline less aluminous,and lower in High Field Strength Elements （HFSE）.These rocks are higher in Large Ion Lithophile Elements （LILE）,thorium and uranium contents,positive lead anomalies,negative Nb-Ta anomalies,and enrichment in Light Rare Earth Elements （LREE）.Basalts from the NECS shelf margin are akin to Indian Ocean Mid-Ocean Ridge Basalt （MORB）,and rhyolites from the northern Okinawa Trough have the highest 207 Pb/ 204 Pb and 208 Pb/ 204 Pb *** NECS shelf margin basalts have lower 87 Sr/ 86 Sr ratios,ε N d and σ 18 O than the northern Okinawa Trough silicic *** to 40 K– 40 Ar isotopic ages of basalts from the NECS shelf margin,rifting of the Okinawa Trough may have been active since at least 3.65–3.86 *** origin of the NECS shelf margin basalt can be explained by the interaction of melt derived from Indian Ocean MORB-like mantle with enriched subcontinental *** basalts from both sides of the Okinawa Trough may have a similar origin during the initial rifting of the Okinawa Trough,and the formation of basaltic magmas closely relates to the thinning of continental *** source of the formation of the northern Okinawa Trough silicic rocks was different from that of the middle Okinawa Trough,which could have been generated by the interaction of basaltic melt with an enriched crustal *** the Ryukyu island arc to East China,the Cenozoic basalts have apparently increasing trends of MgO contents and ratios of LREE to Heavy Rare Earth Elements （HREE）,suggesting that the trace element variabilities of basalts may have been influenced by the subduction of the Philippine Sea plate,and that the effects of subduction of the Philippine Sea plate on the chemical composition of basaltic melts have had a decreasing effect from the Ryukyu island arc to East China.

关键词： volcanic rocks geochemical characteristics northern East China Sea shelf margin Okinawa Trough

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Study on distortion control technology of the active stressed lap polishing deeper aspherical mirror

Study on distortion control technology of the active stresse...

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20th Congress of the International Commission for Optics

作者： Li Ying 1,2 Wang Daxing1 (1.National Astronomical Observatories, Nanjing Institute of Astronomical Optics & Technology, The chinese academy of sciences, Nanjing 210042 2. graduate school of the chinese academy of sciences , beijing 100049 )

A special computer controlled polishing machine and a 450mm diameter active stressed lap have been developed in NIAOT,and the lap has been successfully applied on polishing a f/2,φ910mm paraboloidal m

关键词： active stressed lap deeper asphericity deformation high precision

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The First Isochronous Mass Measurements at CSRe

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原子核物理评论 2009年第S1期26卷 185-189页

作者： TU Xiao-lin1,2, XU Hu-shan1, , WANG Meng1, XIA Jia-wen1, MAO Rui-shi1, YUAN You-jin1, HU Zheng-guo1, LIU Yong1, ZHANG Hong-bin1, ZANG Yong-dong1,2, ZHAO Tie-cheng1, ZHANG Xue-ying1, FU Fen1, YANG Jian-cheng1, MAO Li-jun1, XIAO Chen1,2, XIAO Guo-qing1, ZHAO Hong-wei1, ZHAN Wen-long1(1 Institute of Modern Physics, chinese academy of sciences, Lanzhou 730000, China 2 graduate school of chinese academy of sciences, beijing 100049, China) Institute of Modern Physics Chinese Academy of SciencesLanzhou 730000China graduate school of chinese academy of sciences Beijing 100049China Institute of Modern Physics Chinese Academy of SciencesLanzhou 730000China

With the commissioning of the Cooler Storage Ring at the Heavy Ion Research Facility in Lanzhou (HIRFL-CSR),a pilot experiment operating the CSRe in isochronous mode to test the power of HIRFL-CSR for measuring the mass of the short-lived nucleus was performed in December of 2007. The fragments with A/q = 2 of 36Ar were injected into CSRe and their revolution frequencies were measured with a fast time pick-up detector with a thin foil in the circulating path of the ions. The preliminary result is presented. The result shows the potential of CSRe for mass measurements of short-lived nuclei.

关键词： radiotive ion beam mass time-of-flight HIRFL-CSR

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解决度量-验证时间差的一种差值证明方法

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通信学报 2009年第S1期30卷 43-50页

作者：张谦贺也平孟策中国科学院软件研究所北京100190 中国科学院研究生院北京100049

度量-验证时间差问题是现有远程证明方法中的一个重要问题。它是因为现有方法中的加载时度量机制缺乏对系统状态变化的察觉和表达能力导致其无法表达当前状态。针对可信虚拟域中的虚拟环境证明提出一种方法在原有的加载时度量的基础上... 详细信息

度量-验证时间差问题是现有远程证明方法中的一个重要问题。它是因为现有方法中的加载时度量机制缺乏对系统状态变化的察觉和表达能力导致其无法表达当前状态。针对可信虚拟域中的虚拟环境证明提出一种方法在原有的加载时度量的基础上补充了卸载时度量,使得更改后的度量机制可以察觉并表达系统中对象的存活状态,即使用加载度量和卸载度量的差值来表达系统的当前状态,进而解决度量-验证时间差问题。

关键词：度量-验证时间差问题卸载时度量 Merkle散列树可信虚拟域差值证明方法

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