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| 1 | Thermal evolution and dynamic mechanism of the Sichuan Basin during the Early Permian-Middle Triassic显示文摘The Sichuan Basin, located in the western margin of Yangtze Plate, is one of the important oil-gas-bearing basins in China. During the Early Permian-Middle Triassic, the Sichuan Basin experienced regional lithospheric extension and Emeishan basalt activities, both of which influenced the basin development and thermal evolution. Here we simulated the thermal effects of lithospheric extension and the Emeishan mantle plume based on different geodynamical models. Modeling results indicated that the lithospheric temperature together with the basement heat flow was generally increasing with time due to extension. As the stretching factor was relatively small, the thinning of lithosphere, and consequently the thermal disturbance, was not great. The lithospheric extension yielded about 20% increase of the basement heat flow, with maximum value of 60?62 mW m?2 in the Early Triassic. Mantle plume model shows that the thermal evolution of the inner zone above the plume head was influenced greatly by plume activity. But the outer zone and its outside area where the Sichuan Basin is located were affected only slightly. The basalts that had erupted in the southwestern basin might disturb the basin temperature significantly, although shortly and locally. Generally, the thermal history of the Sichuan basin during the Early Permian-Middle Triassic was controlled by the lithospheric extension, but locally it superimposed thermal effects of basalt activities in its southwestern area. | HE LiJuan XU HeHua WANG JiYang | 2011 | Science China Earth Sciences2011,54,12: | 14 |
| 2 | Dynamics Analysis of the Baiyun Sag in the Pearl River Mouth Basin,North of the South China Sea显示文摘摘要:Baiyun 下垂是在珍珠河嘴盆的斜坡上发展的深的。它水平地作为合成 graben 发生,并且由二亚 sags 对亚 sags 构成低高举。垂直地,沉积建筑学能被划分成三层,即底部,在中间的差错可锻的拉长层和顶上的 draping 层上的指责的层。sag 的主要 rifting 阶段应当被可锻的扩展描绘并且外壳变瘦。特殊变丑模式可能被归因于事实 Baiyun 下垂位于弱地区,使 sag 成为了一个强烈使变形的区域,由极大地变瘦的岩石圈和活跃 magmatism 描绘了的先存在的转移地区。在 Baiyun 下面的高度升起的披风下垂应该是为可锻的变丑负责的重要机制,它引起了上面的披风的部分融化。Upwelling 到上面的外壳和沉积的层,部分融化材料提供了 extensional 紧张并且引起了非指责的垂直沉淀。岩浆在 rifting 的第一个阶段以后在转移地区下面被收集,并且沿着趋势 NW 基础差错在对对 sag 和 upwelled 的 ENE 和 WSW 部分的扩展垂直的一个方向旁边地转了,在的地方趋势 WNW 砍差错在群发展了。指责的活动和 Baiyun 的沉积历史下垂可能被海洋山脉影响了在 24 妈和海地板在 16 妈附近传播的停止附近跳。 | SUN Zhen ZHONG Zhihong ZHOU Di PANG Xiong HUANG Chunju CHEN Changmin HE Min XU Hehua | 2008 | Acta Geologica Sinica(English Edition)2008,82,1: | 13 |
| 3 | Bottom water temperature measurements in the South China Sea,eastern Indian Ocean and western Pacific Ocean显示文摘文章报道了一批新的海底底水温度(BWT)数据,其中南海(SCS)158个站位、东印度洋(EIO)30个站位及西太平洋(WPO)37个站位。基于这批新的BWT数据,获得南海和西太平洋海域底水温度与水深经验关系,可为地球物理和物理海洋提供准确、可靠的海底温度边界。这将有助于海底油气资源调查与评估。同时,这批实测数据表明:1)水深超过3500m的海域,其底水温度在南海约为2.47℃,比东印度洋(~1.34℃)和西太平洋(~1.60℃)稍微偏高。这与大洋传送带模式所预测的情况比较吻合。该模式认为:低温高盐的海水,从北大西洋格陵兰岛和冰岛附近海域下沉到深层,然后向南流动,再与南极洲周围海域的低温高盐海水一同向北进入印度洋和太平洋。而南海是一个相对比较封闭的热带边缘海,其内部海水与印度洋和菲律宾海交换有限,导致海水温度整体高于印度洋和太平洋。2)台西南盆地水深在2700~3000m的部分站位,其底水温高达约3.00℃,明显高于其周边同水深海域底水温度(平均值约为2.33℃)。这可能是台西南盆地海底水热活动导致的结果。3)在东印度洋和西太平洋水深超过4800m海域,底水温度随着水压增大稍有升高,其升高率分别为10.6mK·MPa^(-1)和12.0mK·MPa^(-1)。这与理论估算的深层底水绝热压力温度梯度范围较为吻合。这也意味着东印度洋和西太平洋深层底水,主要由绝热自压作用导致其温度随着深度的增大而升高。 | YANG Xiaoqiu SHI Xiaobin ZHAO Junfeng YU Chuanhai GAO Hongfang CHEN Aihua LU Yuanzheng CEN Xianrong LIN Weiren ZENG Xin XU Hehua REN Ziqiang ZHOU Shengqi XU Ziying SUN Jinlong KAMIYA Nana LIN Jian | 2018 | 热带海洋学报2018,37,5: | 8 |
| 4 | The effect of weak interlayer on the failure pattern of rock mass around tunnel – Scaled model tests and numerical analysis显示文摘 | Feng Huang Hehua Zhu Qianwei Xu Yongchang Cai Xiaoying Zhuang | 2012 | Tunnelling and Underground Space Technology incorporating Trenchless Technology Research2012,,: | 1 |
| 5 | Laboratory model tests and field investigations of EPB shield machine tunnelling in soft ground in Shanghai显示文摘 | Qianwei Xu Hehua Zhu Wenqi Ding Xiurun Ge | 2010 | Tunnelling and Underground Space Technology incorporating Trenchless Technology Research2010,,1: | 1 |
| 6 | The Effect of Weal Interlayer on the Failure Pattern of Rock Pattern of Rock Mass Around Tunnel 显示文摘 | Huang Feng Zhu Hehua Xu Qianwei | 2013 | Tunnelling and Underground Space Technology2013,35,: | 1 |
| 7 | Shape Memory Alloy Helical Microrobots with Transformable Capability towards Vascular Occlusion Treatment显示文摘Practical implementation of minimally invasive biomedical applications has been a long-sought goal for microrobots.In this field,most previous studies only demonstrate microrobots with locomotion ability or performing a single task,unable to be functionalized effectively.Here,we propose a biocompatible shape memory alloy helical microrobot with regulative structure transformation,making it possible to adjust its motion behavior and mechanical properties precisely.Especially,towards vascular occlusion problem,these microrobots reveal a fundamental solution strategy in the mechanical capability using shape memory effect.Such shape-transformable microrobots can not only manipulate thrust and torque by structure to enhance the unclogging efficiency as a microdriler but also utilize the high work energy to apply the expandable helical tail as a selfpropulsive stent.The strategy takes advantage of untethered manipulation to operate microsurgery without unnecessary damage.This study opens a route to functionalize microrobots via accurate tuning in structures,motions,and mechanical properties. | Hehua Zhang Borui Xu Yi Ouyang Yunqi Wang Hong Zhu Gaoshan Huang Jizhai Cui Yongfeng Mei | 2022 | Research2022,,4: | 1 |
| 8 | A Case History of Shield Tunnel Crossing through Group Pile Foundation of a Road Bridge with Pile Underpinning Technologies in Shanghai 显示文摘 | XU Qianwei ZHU Hehua MA Xianfeng | 2015 | Tunnelling and Underground Space Technology2015,,45: | 1 |
| 9 | Experimental study on the progressive failure and its anchoring effect of weak-broken rock vertical slope显示文摘To improve the understanding on the failure behavior and its anchoring effect of weak-broken rock slope,the rock of grade IV according to China is taken as reference prototype,and a series of model tests were carried out in laboratory.These tests can be divided into two categories,that is,with bolt reinforcement and without bolt reinforcement.In which,the stability of slope reinforced with different bolt diameter,different anchor length and different space are studied.The test results show that the collapse of slope is the combination of tension failure at the top and the compression-shearing failure at the bottom of the slope,and its failure process presents progressive characteristics.The contributions of bolt reinforcement are mainly reflected by the aspects of shear resistance,crack resistance and anti-extension.The reinforcement of blot not only can improve the vertical bearing capacity before failure,but also can reduce the vertical settlement and allow greater lateral rock wall deformation;what is more,the stress concentration degree in rock mass can be dispersed,which do help to improve the stability of slope rock mass. | Hehua ZHU Qianwei XU Wenqi DING Feng HUANG | 2011 | Frontiers of Structural and Civil Engineering2011,5,2: | 1 |
| 10 | Experimental study on working parameters of earth pressure balance shield machine tunneling in sot~ ground 显示文摘 | ZHU Hehua XU Qianwei ZHENG Qizhen | 2008 | Frontiers of Architecture and Civil Engineering in China2008,2,4: | 1 |
| 11 | The deep thermal structure of the lithosphere in the northwestern South China Sea and its control on the shallow tectonics显示文摘The northwestern sub-basin of South China Sea(SCS)is a unique tectonic unit formed in the early spreading of the SCS.The northwestern Sub-basin has a series of complex geological structures such as seamounts and fault zones surrounded by the Xisha Trough,the Zhongsha Massif,and the Pearl River Valley.These extensional structures and magmatic activity in the northwestern sub-basin are closely related to the lithospheric structure and its deformation.However,details of the deep lithosphere structure are still poorly known.Here,we obtained detailed data of water and Moho depth using sonar buoys,Extended Spread Profiles(ESP),Ocean Bottom Seismometer(OBS),both Multi-beam and land-sea joint seismic surveys in the northwestern sub-basin and its surrounding areas.Then we adopted a thermal isostasy method to calculate the depth of the Lithosphere-Asthenosphere Boundary(LAB)in the northwestern sub-basin of the SCS and its surrounding regions.Results show that the range of LAB depth is~25–110 km.The shallowest burial depth is 25–60 km occurring in the ocean basin.The depth increases to 60–110 km toward the continental margin.The lithospheric structure on the north and south sides of the Xisha Trough is symmetrical and shows the deep structure and thermal features of aborted rifts.The LAB depth in the Zhongsha Trough and the Zhongsha Massif increased from 60 to 70 km southwestwards,consistent with the trend of surface morphology.The LAB depth to the west side of the Pearl River Valley is 60–80 km,and the thinning of the lithosphere is related to the distribution of faults,depressions and the magmatic activity.The LAB depth in the northwestern sub-basin and the eastern subbasin is less than 60 km with the thinnest part being less than 46 km.Combining ocean drilling,seismic investigation,and seafloor topography,we show that the ocean basin of the northwestern sub-basin of the SCS locates within the 46 km isobath of the LAB.The formation of the rifted valleys and discrete blocks surrounding the ocean basins is both controlled by the regional tectonic movement and the deep thermal state,where their lithospheric structures show strong heterogeneity. | Xiaofang WANG Haibo HUANG Hehua XU Ziqiang REN Jiazheng ZHANG Zhongxian ZHAO | 2021 | Science China Earth Sciences2021,64,6: | 1 |
| 12 | Laboratory model tests and field investigations of EPB shield machine tunnelling in soft ground in Shanghai 显示文摘 | XU Qianwei ZHU Hehua DING Wenqi | 2011 | Tunnelling and Underground Space Technology2011,26,2: | 1 |
| 13 | Modeling of ther mo-rheological structure of lithosphere under the foreland ha sin and mountain belt of Taiwan 显示文摘 | ZHOU Di YU Hoshing XU Hehua | 2003 | Tectonophysics2003,374,: | 1 |
| 14 | Experimental study on working parameters of earth pessure balance shield machine tunneling in soft ground 显示文摘 | Zhu Hehua Liao Shaoming Xu Qianwei | 2008 | Frontiers of Architecture and Civil Engineering in China2008,2,4: | 1 |
| 15 | Laboratory model tests and field investigations of EPB shield machine tunneling in soft ground in Shanghai显示文摘 | Xu Qianwei Zhu Hehua Ding Wenqi | 2011 | Tunneling and Underground Space Technology2011,26,1: | 1 |
| 16 | Test of agronomic characteristics and amplified fragment length polymorphism analysis of new rice germplasm developed from transformation of genomic DNA of distant relatives显示文摘 | Quanhua Xing Binran Zhao Ke Xu Hehua Yang Xia Liu Songwen Wang Demin Jin Longping Yuan Bin Wang | 2004 | Plant Molecular Biology Reporter2004,,2: | 1 |