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| 1 | Controlling factors on the submarine canyon system: A case study of the Central Canyon System in the Qiongdongnan Basin, northern South China Sea显示文摘Based on an integrated analysis of high-resolution 2D/3D seismic data and drilling results, this study analyzes the tectonicsedimentary evolution of the Qiongdongnan Basin(QDNB) since the late Miocene, and discusses the controlling factors on the formation and development of the Central Canyon System(CCS). The sediment failures caused by the relative sea level falling might have discharged deposits from the slope to the canyon. The two suits of the infillings, i.e., turbidites and mass transport complex(MTC), were derived from the northwestern source and northern source, respectively. The sediment supplies, which differ significantly among different areas, might have led to the variations observed in the internal architectures. Tectonic transformation around 11.6 Ma had provided the tectonic setting for the CCS and formed an axial sub-basin in the central part of the Changchang Depression, which could be called the rudiment of the CCS. The tectonic activity of the Red River Fault(RRF) at about 5.7 Ma might have strengthened the hydrodynamics of the deposits at the junction of the Yinggehai Basin(YGHB) and the QDNB to trigger a high-energy turbidity current. The MTC from the northern continental slope system might have been constrained by the Southern Uplift, functioning as a barrier for the infillings of the CCS. Thanks to a sufficient sediment supply during the Holocene period and the paleo-seafloor morphology, the relief of modern central canyon with the starving landform in the eastern Changchang Depression might have been accentuated by deposition of sediments and vertical growth along the canyon flanks, where collapse deposits were widely developed. Corresponding to the segmentation of the CCS, the forming mechanisms of the canyon between the three segments would be different. The turbidite channel in the head area had likely been triggered by the abundant sediment supply from the northwestern source together with the fault activity at about 5.7 Ma of the RRF. The formation and evolution of the canyon in the western segment were caused by combined effects of the turbidite channel from the northwestern source, the MTC from the northern continental slope, and the paleo-seafloor geomorphology. In the eastern segment, the canyon was constrained by the tectonic transformation occurring at approximately 11.6 Ma and the insufficient sediment supply from the wide-gentle slope. | SU Ming ZHANG Cheng XIE XiNong WANG ZhenFeng JIANG Tao HE YunLong ZHANG CuiMei | 2014 | Science China Earth Sciences2014,57,10: | 21 |
| 2 | New insights on the origin of the basement of the Xisha Uplift,South China Sea显示文摘The study of basement geochronology provides crucial insights into the tectonic evolution of oceans. However, early studies on the basement of the Xisha Uplift were constrained by limited geophysical and seismic data; Xiyong1 was the only commercial borehole drilled during the 1970 s because of the huge thickness of overlying Cenozoic strata on the continental margin. Utilizing two newly-acquired basement samples from borehole XK1, we present petrological analysis and zircon uranium(U)-lead(Pb) isotope dating data in this paper that enhance our understanding of the formation and tectonic features of the Xisha Uplift basement. Results indicate that this basement is composed of Late Jurassic amphibole plagiogneisses that have an average zircon 206 Pb/238 U age of 152.9±1.7 Ma. However, the youngest age of these rocks, 137±1 Ma, also suggests that metamorphism termination within the Xisha basement occurred by the Early Cretaceous. These metamorphic rocks have adamellites underneath them which were formed by magmatic intrusions during the late stage of the Early Cretaceous(107.8±3.6 Ma). Thus, in contrast to the Precambrian age(bulk rubidium(Rb)-strontium(Sr) analysis, 627 Ma) suggested by previous work on the nearby Xiyong1 borehole, zircons from XK1 are likely the product of Late Mesozoic igneous activity. Late Jurassic-Early Cretaceous regional metamorphism and granitic intrusions are not confined to Xisha; rocks have also been documented from areas including the Pearl River Mouth Basin and the Nansha Islands(Spratly Islands) and thus are likely closely related to large-scale and long-lasting subduction of the paleo-Pacific plate underneath the continental margins of East Asia, perhaps the result of closure of the Meso-Tethys in the South China Sea(SCS). Controversies remain as to whether, or not, the SCS region developed initially on a uniform Precambrian-aged metamorphic crystalline basement. It is clear, however, that by this time both Mesozoic compressive subduction and Cenozoic rifting and extension had significantly modified the original basement of the SCS region. | ZHU WeiLin XIE XiNong WANG ZhenFeng ZHANG DaoJun ZHANG ChengLi CAO LiCheng SHAO Lei | 2017 | Science China Earth Sciences2017,60,12: | 10 |
| 3 | Geochemistry of Pore Water and Associated Diagenetic Reactions in the Diapiric Area of Yinggehai Basin, Northwestern South China Sea显示文摘这研究在 Yinggehai 盆的 diapiric 区域检验了毛孔水的 geochemical 特征,西北的华南海,并且照亮了盆液体的起源和进化。甚至没有大气的水渗入,有低咸度的毛孔水在 diapiric 区域发生在海洋的沉积。在内的低咸度的水的存在深, overpressured 分隔空间被假定由于 smectite-illite 转变。Howerver 在有正常压力的 diapiric 区域的浅部分(不到 2 000 m ) ,毛孔水在 overpressured 间隔比那有一个宽得多的变化和低得多的咸度。它的全部的溶解固体(TDS ) 内容是 5 336 ~ 35 939 mg/L。而且,当 kaolinite 和 illite 在更浅的间隔满足增加,绿土和绿泥石内容严厉地减少。在 diapiric 结构的毛孔水的 geochemical 变化显示逐出低咸度,沿着垂直差错的 overpressured 液体。从深 overpressured 沉积的热液体的强壮的注射在浅水库导致快速的泥土矿物质转变。因而,从更深的 overpressured 沉积物由于液体逐出混合的液体象一些 diagenetic 反应一样在咸度和离子的作文导致变化。这包括更深热的液体的更高的 temperatur 引起的泥土矿物质的转变,例如,到 illite 的绿土和到 kaolinite 的绿泥石的 transfromation。因此,在咸度的变化和在各种各样的迫使的系统的离子的作文提供线索给流动小径和联系 diagenetic 反应。 | Tao Jiang Xinong Xie Hui Chen Zhenfeng Wang Xushen Li | 2015 | Journal of Earth Science2015,26,3: | 6 |
| 4 | Effect of coal slurry on the corrosion of coal-mine equipment显示文摘The corrosion of coal mine equipment immersed in coal slurry is addressed. The corrosion of low carbon steel samples immersed in coal slurries of different concentrations (80, 130, and 180 g/L) prepared from coals of different rank (long-flame coal, meager lean coal, and anthracite) and different granularity (0.25-0.5 mm, 0.074-0.25 mm, and less than 0.074 mm particle size) was studied by the electrochemical method of polarization curve measurement, controlled potential sweeping, and continuous scanning. The results show that the corrosion rate in an anthracite slurry, where the coal has high coalification, is far greater than corrosion in a long-flame or a meager lean coal slurry. Furthermore the corrosion current, polarization current, and corrosion rate of low carbon steel become larger, and the polarizability becomes smaller, as the coal particle size decreases. The same trend is seen as the concentration of the coal slurry increases. | ZhangQi Xie Jingxuan Zhao Wei Bai Shasha Zhong Shiteng Chu Zhenfeng | 2011 | Mining Science and Technology2011,21,3: | 4 |
| 5 | An overview of amphoteric ion exchange membranes for vanadium redox flow batteries显示文摘Vanadium redox flow battery(VRB),as the most promising large-scale electrical energy storage units,has attracted extensive attention.Amphoteric ion exchange membrane(AIEM),as the core part of VRB,separates electrolyte on both sides of electrolytic tank and conducts H+.The AIEM with cation and anion groups possesses excellent performances,such as high ion conductivity(σ),low vanadium ion permeability(Pvn+),relative stability and low cost.However,the performance of AIEM directly depends on the chemical structure of polymers.In addition to ensuring foundational physical performance,ion selectivity of AIEM is significant since the crossover of vanadium ion with various valences may reduce the battery capacity.In this paper,AIEMs for VRB and their chemical structures as well as synthesis approaches to realize all kinds of high-performing AIEMs are reviewed.The current trend and future direction of prospective materials for the VRB separators are documented in detail as well. | Lei Liu Chao Wang Zhenfeng He Rajib Das Binbin Dong Xiaofeng Xie Zhanhu Guo | 2021 | Journal of Materials Science & Technology2021,,10: | 1 |
| 6 | Research Advances in Detection Methods of Herbicide Paraquat显示文摘This paper summarized the main detection methods of paraquat,including the instrumental analysis like HPLC,GC,LC-MS / MS,and so on. The research prospects of paraquat detection were also put forward. | Xu Zhen Zhao Fang Xie Benhua Chen Mingshan Zhu Hai Yue Zhenfeng Bi Siyuan | 2014 | Plant Diseases and Pests2014,5,6: | 1 |
| 7 | The equivalent model of controller in synchronous frame to stationary frame显示文摘The system controlled in synchronous frame is commonly used. However, it is a problem how to transform the controller in synchronous frame to stationary frame. This paper deduces the stationary frame equivalent model of arbitrarily controller in synchronous frame. The equivalent model can reflect the control performance of the input signal at different frequency accurately. The unified frequency-domain model of the overall system can be established using the equivalent model, and the guidance for frequency analysis and stability analysis can be provided. Theoretical derivation and simulation results verify the correctness and generality of the equivalent model. | Yichao Wang Lai Huang Yijia Cao Xintao Xie Zhongwei Chen Zhenfeng Xiao Ming Wen Zhiqiang Xu | 2018 | Global Energy Interconnection2018,1,2: | 1 |
| 8 | Characteristics of overpressure distribution and its implication for hydrocarbon exploration in the Qiongdongnan Basin显示文摘 | Wanzhong Shi Yuhong Xie Zhenfeng Wang Xusheng Li Chuanxin Tong | 2013 | Journal of Asian Earth Sciences2013,,: | 1 |
| 9 | Petroleum ge- ology of Yacheng 13-1, the largest gas field in China's off shore region 显示文摘 | Xie Yuhong Wang Zhenfeng Tong Chuanxin | 2008 | Marine and Petroleum Geology2008,25,8: | 1 |
| 10 | Petroleum ge- ology of Yaeheng 13-1, the largest gas field in China's off- shore region显示文摘 | Xie Yuhong Wang Zhenfeng Tong Chuanxin | 2008 | Marine and Petroleum Geology2008,25,8: | 1 |
| 11 | Petroleum ge- ology of Yacheng 13-1, the largest gas field in China's off- shore region显示文摘 | Yuhong Xie Zhenfeng Wang Chuanxin Tong | 2008 | Marine and Petroleum Geology2008,25,: | 1 |
| 12 | 南海北部琼东南盆地沉积物波成因及地震特征显示文摘近几十年来,世界各地都有沉积物波的研究,由于其在不同环境中的不同特征,其成因至今仍有争议。根据大量高分辨率地震剖面和两个钻孔资料,对琼东南盆地东部深水区的沉积物波进行了识别,描述了沉积物波的分布和地震特征。结合多波束测量资料,讨论了这些沉积物波的潜在成因。在中央峡谷的钻探表明,河道充填物中由一些顺坡的细粒浊积体组成,是良好的油气藏。沉积物波分布于中央峡谷两边,其地震特征表明,大部分是由峡谷沿岸的浊流溢出引起的。尽管之前对这些沉积物波的研究表明它们是向西流动的等深流成因的沉积物波,但从地震资料的海底反射层得到的地形显示,在沉积物波区的东部有一个N-S向的山脊,可以阻断和使底流变向。根据沉积物波的几何形态,计算出整个沉积物波的厚度为280〜560 m,流速在30-130 cm/s,这将有利于细粒沉积物形成,并可能是一个良好的储层,因为浊流的分选性好于等深线或其他重力流沉积的分选性。 | Tao Jiang Xinong Xie Zhenfeng Wang 杜文波(翻译) 聂鑫(校对) 熊量丽(校对) | 2020 | 海洋地质2020,,4: | 0 |
| 13 | Drag Reduction Characteristics of Microstructure Inspired by the Cross Section of Barchan Dunes under High Speed Flow Condition显示文摘A new type of microstructure inspired by the cross section of barchan dunes was proposed to reduce windage,which was considered as a passive drag reduction technology in aerospace manufacturing field.Computational fluid dynamics method was carried out to discuss the effect of the microstructure on the skin friction reduction under high velocity flow condition.Different microstructure heights were employed to survey the reduction of drag.The results illustrated that the appearance of microstructure led to a generation of pressure drag in non-smooth model(with microstructures inspired by cross section of barchan dune)in contrast to smooth model.However,the microstructure significantly increased the thickness of the low-speed fluid by 11.4%in the near-wall flow field,causing the low-speed fluid to rise and decreasing the velocity gradient near the wall,thereby reducing viscous resistance.In addition,high-speed fluid flowed above the microstructure units instead of along the inner side of the units due to the influence of micro-vortex,resulting in a reduction of friction near the surface.Further-more,micro-vortex was considered to be the significant internal factor to achieve turbulent drag reduction since it could not only reduce the viscous resistance by promoting the fluid flow above the microstructure but also pro-vide a reverse thrust force.The understanding of the mechanism of drag reduction provides theoretical guidance for further fabrication of drag reduction coatings using renewable materials. | Jiawei Jiang Yizhou Shen Jie Tao Zhenfeng Jia Xinyu Xie Chaojiao Zeng | 2022 | Journal of Renewable Materials2022,10,3: | 0 |
| 14 | Fauna characteristics and ecological distribution of Carnivora and Artiodactyla in Niubeiliang National Nature Reserve,China显示文摘Niubeiliang National Nature Reserve(NNR,108°45p-109°04p E,33°47p-33°56p N)is located on the east-ern range of the Qinling Mountains in Shaanxi Province,China and spans the southern and northern slopes of Mt.Qinling.A transect survey and investigation were carried out in NNR to determine the fauna characteristics and ecological distribution of carnivora and artiodactyla from May 2003 to August 2004.The NNR has 18 mammals(carnivore and artiodactyl),two of which belong to the first class and seven to the second class of state key protected wildlife in China.The results of this study indicated that ungulates were abun-dant in the NNR,as all ungulates that were distributed within Mt.Qinling could be found within the reserve.However,only 45.5%of the carnivores distributed within Mt.Qinling were detected within the NNR.Among the mammals,there were 12 oriental species(66.7%),1 palearctic specie(5.5%)and 5 widely-distributed species(27.8%).The NNR is a crossing area of palearctic species and oriental species on the zoogeo-graphical regions,and it is a transitional area from the oriental realm to the palearctic realm.The results of the analysis on the ecological distribution of carnivore and artiodactyl in the area showed that their elevation ranges had large differences.The species whose elevation ranges above 1300 m,about 1000 m,and in 450-700 m occupied one third respectively.The results also indicated that species richness for the mam-mals in the NNR peaked at a middle elevation(rising at first,then descending with the increase in elevation).Not only on the southern slope,but also on the northern slope of Mt.Qinling,the number of species distributed in the area at 1800-2200 m a.s.l.was the largest(more than 80%),while the number of species distributed in the area above 2600 m a.s.l.was the smallest(about 50%).Elevation gradients of species richness for the mammals in the NNR also embodied the mammal distributions among the vegetation types.The number of species distributed in the mixed coniferous and broadleaf deciduous forest at middle elevations was the larg-est,while the number of species distributed in the broadleaf deciduous forest at middle and low elevations,subalpine coniferous forest,subalpine shrubbery and meadow was relatively smaller. | ZENG Zhigao SONG Yanling MA Yingtai WANG Xifeng WU Xuntao XIE Zhenfeng SHAO Jianbin LI Chunning | 2007 | Frontiers in Biology2007,2,1: | 0 |
| 15 | Potential pharmaceutical resources of the Qinling Mountain in central China:medicinal fungi显示文摘The present investigation on fungal diversity shows that there were rich fungal resources of up to 196 species,belonging to 41 families and 90 genera,in the Qinling Mountainous Range of central China.The dominant families were Polyporaceae,Russulaceae,Tricholomatacea and Lycoperdaceae,which comprised 107 species,54.59%of the total species.The dominant genera were Russula,Lactarius,Trametes,Phellinus,Coprinus,Lycoperdon,Suillu,and Calvatia,which consisted of 59 species,30.09%of the total species.According to the geographical characteristics,the genera were grouped into:cosmopolitan element(74.98%),pantropical element(3.57%),tropical element(1.02%)and north temperate element(21.43%),with the cosmopolitan element constituting the majority.Among these,the cosmopolitan and North Temperate Zone were characteristic of this region.Based on relevant literature review,the primary pharmaceutical action of the medicinal fungi in Qinling Mountain can be classified as follows:anti-cancer,anti-bacteria,anti-inflammation,relief of muscle rigidity and activation of collaterals,hemostasis,immunological regulation,as well as nourishing the stomach and tonification which means enhancing the body system. | Qi SHEN Wei CHEN Zhuyun YAN Zhenfeng XIE | 2009 | Frontiers in Biology2009,4,1: | 0 |
| 16 | 肝癌细胞模型库及其药物基因组学“蓝图”显示文摘文章简介原发性肝癌异质性显著,耐药性突出,预后不良。不同国家地区之间肝癌致病因素差异明显,对肝癌的精准治疗带来严重挑战。全球每年超过50%的新增病例和死亡病例均发生在中国。由大量细胞系构成的细胞系平台在乳腺癌、肺癌等癌症研究中证明细胞系平台能够模拟癌症的遗传异质性和药物响应,通过细胞系平台可以发现与药物敏感性相关的分子标志物。 | 邱志欣 李虹 章正涛 Zhenfeng Zhu Sheng He Xujun Wang Pengcheng Wang Jianjie Qin Liping Zhuang Wei Wang Fubo Xie Ying Gu Keke Zou Chao Li Chun Li Chenhua Wang Jin Cen Xiaotao Chen Yajing Shu Zhao Zhang Lulu Sun Lihua Min Yong Fu Xiaowu Huang Hui Lv He Zhou Yuan Ji Zhigang Zhang Zhiqiang Meng 施晓雷 张海斌 李亦学 惠利健 | 2020 | 科学新闻2020,,2: | 0 |
| 17 | A chromosome-level genome assembly for Erianthus fulvus provides insights into its biofuel potential and facilitates breeding for improvement of sugarcane显示文摘Erianthus produces substantial biomass,exhibits a good Brix value,and shows wide environmental adaptability,making it a potential biofuel plant.In contrast to closely related sorghum and sugarcane,Erianthus can grow in degraded soils,thus releasing pressure on agricultural lands used for biofuel production.However,the lack of genomic resources for Erianthus hinders its genetic improvement,thus limiting its potential for biofuel production.In the present study,we generated a chromosome-scale reference genome for Erianthus fulvus Nees.The genome size estimated by flow cytometry was 937 Mb,and the assembled genome size was 902 Mb,covering 96.26%of the estimated genome size.A total of 35065 proteincoding genes were predicted,and 67.89%of the genome was found to be repetitive.A recent wholegenome duplication occurred approximately 74.10 million years ago in the E.fulvus genome.Phylogenetic analysis showed that E.fulvus is evolutionarily closer to S.spontaneum and diverged after S.bicolor.Three of the 10 chromosomes of E.fulvus formed through rearrangements of ancestral chromosomes.Phylogenetic reconstruction of the Saccharum complex revealed a polyphyletic origin of the complex and a sister relationship of E.fulvus with Saccharum sp.,excluding S.arundinaceum.On the basis of the four amino acid residues that provide substrate specificity,the E.fulvus SWEET proteins were classified as monoand disaccharide sugar transporters.Ortho-QTL genes identified for 10 biofuel-related traits may aid in the rapid screening of E.fulvus populations to enhance breeding programs for improved biofuel production.The results of this study provide valuable insights for breeding programs aimed at improving biofuel production in E.fulvus and enhancing sugarcane introgression programs. | Ling Kui Aasim Majeed Xianhong Wang Zijiang Yang Jian Chen Lilian He Yining Di Xuzhen Li Zhenfeng Qian Yinming Jiao Guoyun Wang Lufeng Liu Rong Xu Shujie Gu Qinghui Yang Shuying Chen Hongbo Lou Yu Meng Linyan Xie Fu Xu Qingqing Shen Amit Singh Karl Gruber Yunbing Pan Tingting Hao Yang Dong Fusheng Li | 2023 | Plant Communications2023,4,4: | 0 |