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  1. Article ; Online: Two-End-Member Mixing in the Fluids Emitted From Mud Volcano Lei-Gong-Huo, Eastern Taiwan

    Hung-Chun Chao / Chen-Feng You / In-Tian Lin / Hou-Chun Liu / Ling-Ho Chung / Chun-Chang Huang / Chuan-Hsiung Chung

    Frontiers in Earth Science, Vol

    Evidence From Sr Isotopes

    2022  Volume 9

    Abstract: ... at depth. Mud volcano Lei-Gong-Huo (MV LGH) is a unique mud volcano, which is located on the mélange ...

    Abstract Mud volcano is one of the most important conduits for deep seated materials to migrate upward in sedimentary basins, convergent margins, and subduction zones. Understanding their temporal and spatial characteristics and variations provides us the important information on fluid sources and chemical compositions at depth. Mud volcano Lei-Gong-Huo (MV LGH) is a unique mud volcano, which is located on the mélange formation lying on the andesitic volcanic arc. Fluids emitted from 46 mud pools in MV LGH in eastern Taiwan were sampled and their major trace constitutes as well as H, O, and Sr isotopes (87Sr/86Sr and δ88Sr) were measured. Major constitutes of the fluids are Cl−, Na, and Ca. Compared with seawater, LGH fluids have lower Cl−, δD, δ18O, Na/Cl, K/Cl, and Mg/Cl but higher Ca/Cl ratios, indicating water–rock interaction of igneous rock and the ancient seawater at the source region. This interpretation is further supported by Sr isotopes, which show low value of 87Sr/86Sr ratio down to 0.70708. The result of spatial distribution showing strong negative correlation between Na and Ca concentration as well as Ca and 87Sr/86Sr ratios indicates that two end-member mixing is the major chemical characteristic. The fluids interacting with igneous rock carry high Ca, high δ88Sr, low Na, and low 87Sr/86Sr ratio, while those interacting with sedimentary rock carry low Ca, low δ88Sr, high Na, and high 87Sr/86Sr ratio. The source from the igneous region dominates the eastern and southeastern parts of the mud pools while sedimentary source dominates the western and northwestern parts. Most mud pools show mixing behavior between the two sources. Some of the sedimentary-dominated mud pools reveal existence of residual ancient water as indicated by 87Sr/86Sr. The major factor to fractionate the stable Sr isotopes in LGH waters is the source lithology. In summary, fluids emitted by mud pools in LGH originate from two sources, which are water–rock interactions of igneous rock with the ancient seawater from the east and sedimentary rock from the west at depth, resulting from the complex geologic background of mélange formation.
    Keywords mud volcano ; radiogenic Sr isotopes ; stable Sr isotopes ; sediment-hosted geothermal systems ; water–rock interaction ; Science ; Q
    Subject code 550
    Language English
    Publishing date 2022-01-01T00:00:00Z
    Publisher Frontiers Media S.A.
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  2. Book ; Audio / Video: Liu xue lei

    Cheng, Zuohong / Tian, Yan

    Studying in China

    (Ti yan han yu 100 ju ; = Experiencing Chinese 100 ; 2)

    2008  

    Author's details Zuohong Cheng; Yan Tian
    Series title Ti yan han yu 100 ju ; = Experiencing Chinese 100 ; 2
    Language Chinese ; English
    Size iv, 205 S., 1 CD-ROM
    Publisher Higher Education Press
    Publishing place Beijing
    Document type Book ; Audio / Video
    ISBN 9787040205206 ; 7040205203
    Database Former special subject collection: coastal and deep sea fishing

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  3. Article ; Online: Answer to the Letter to the Editor of Feng Li et al. entitled "Minimally invasive versus open transforaminal lumbar interbody fusion: a meta-analysis based on the current evidence" by Nai-Feng Tian, Yao-Sen Wu, Xiao-Lei Zhang, Hua-Zi Xu, Yong-Long Chi, Fang-Min Mao (2013). Eur Spine J, doi:10.1007/s00586-013-2747-z.

    Tian, Nai-Feng / Mao, Fang-Min

    European spine journal : official publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society

    2014  Volume 23, Issue 4, Page(s) 929–930

    MeSH term(s) Female ; Humans ; Intervertebral Disc Degeneration/surgery ; Lumbar Vertebrae/surgery ; Male ; Spinal Fusion/methods
    Language English
    Publishing date 2014-01-18
    Publishing country Germany
    Document type Letter ; Comment
    ZDB-ID 1115375-1
    ISSN 1432-0932 ; 0940-6719
    ISSN (online) 1432-0932
    ISSN 0940-6719
    DOI 10.1007/s00586-014-3185-2
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    In stock of ZB MED Cologne/Königswinter

    Zs.A 3437: Show issues Location:
    Je nach Verfügbarkeit (siehe Angabe bei Bestand)
    bis Jg. 1994: Bestellungen von Artikeln über das Online-Bestellformular
    Jg. 1995 - 2021: Lesesall (2.OG)
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  4. Book ; Online: Selected age-diagnostic datums of ODP Site 184-1148, supplementary data to: Li, Qianyu; Wang, Pinxian; Zhao, Quanhong; Shao, Lei; Zhong, Guangfa; Tian, Jun; Cheng, Xinrong; Jian, Zhimin; Su, Xin (2006): A 33 Ma lithostratigraphic record of tectonic and paleoceanographic evolution of the South China Sea. Marine Geology, 230(3-4), 217-235

    Li, Qianyu / Cheng, Xinrong / Jian, Zhimin / Shao, Lei / Su, Xin / Tian, Jun / Wang, Pinxian / Zhao, Quanhong / Zhong, Guangfa

    2006  

    Abstract: The 853 m thick sediment sequence recovered at ODP Site 1148 provides an unprecedented record of tectonic and paleoceanographic evolution in the South China Sea over the past 33 Ma. Litho-, bio-, and chemo-stratigraphic studies helped identify six ... ...

    Abstract The 853 m thick sediment sequence recovered at ODP Site 1148 provides an unprecedented record of tectonic and paleoceanographic evolution in the South China Sea over the past 33 Ma. Litho-, bio-, and chemo-stratigraphic studies helped identify six periods of changes marking the major steps of the South China Sea geohistory. Rapid deposition with sedimentation rates of 60 m/Ma or more characterized the early Oligocene rifting. Several unconformities from the slumped unit between 457 and 495 mcd together erased about 3 Ma late Oligocene record, providing solid evidence of tectonic transition from rifting/slow spreading to rapid spreading in the South China Sea. Slow sedimentation of ~20-30 m/Ma signifies stable seafloor spreading in the early Miocene. Dissolution may have affected the completeness of Miocene-Pleistocene succession with short-term hiatuses beyond current biostratigraphical resolution. Five major dissolution events, D-1 to D-5, characterize the stepwise development of deep water masses in close association to post-Oligocene South China Sea basin transformation. The concurrence of local and global dissolution events in the Miocene and Pliocene suggests climatic forcing as the main mechanism causing deep water circulation changes concomitantly in world oceans and in marginal seas. A return of high sedimentation rate of 60 m/Ma to the late Pliocene and Pleistocene South China Sea was caused by intensified down-slope transport due to frequent sea level fluctuations and exposure of a large shelf area during sea level low-stands. The six paleoceanographic stages, respectively corresponding to rifting (~33-28.5 Ma), changing spreading southward (28.5-23 Ma), stable spreading to end of spreading (23-15 Ma), post-spreading balance (15-9 Ma), further modification and monsoon influence (9-5 Ma), and glacial prevalence (5-0 Ma), had transformed the South China Sea from a series of deep grabens to a rapidly expanding open gulf and finally to a semi-enclosed marginal sea in the past 33 Ma.
    Language English
    Dates of publication 2006-9999
    Size Online-Ressource
    Publisher PANGAEA - Data Publisher for Earth & Environmental Science
    Publishing place Bremen/Bremerhaven
    Document type Book ; Online
    Note This dataset is supplement to doi:10.1016/j.margeo.2006.05.006
    DOI 10.1594/PANGAEA.724457
    Database Library catalogue of the German National Library of Science and Technology (TIB), Hannover

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  5. Article ; Online: Deep learning augmented microscopy: a faster, wider view, higher resolution autofluorescence-harmonic microscopy.

    Tian, Lei

    Light, science & applications

    2022  Volume 11, Issue 1, Page(s) 109

    Abstract: Deep learning enables bypassing the tradeoffs between imaging speed, field of view, and spatial resolution in autofluorescence-harmonic microscopy. ...

    Abstract Deep learning enables bypassing the tradeoffs between imaging speed, field of view, and spatial resolution in autofluorescence-harmonic microscopy.
    Language English
    Publishing date 2022-04-24
    Publishing country England
    Document type Journal Article
    ZDB-ID 2662628-7
    ISSN 2047-7538 ; 2047-7538
    ISSN (online) 2047-7538
    ISSN 2047-7538
    DOI 10.1038/s41377-022-00801-z
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article ; Online: Design and Implementation of Financial Service and Management Platform considering Support Vector Machine Algorithm.

    Tian, Lei

    Computational intelligence and neuroscience

    2022  Volume 2022, Page(s) 7964123

    Abstract: With the rapid economic development, the financial industry has quietly become the leader of industries, the core and lifeblood of promoting economic development. At the same time, various financial services and management platforms emerge one after ... ...

    Abstract With the rapid economic development, the financial industry has quietly become the leader of industries, the core and lifeblood of promoting economic development. At the same time, various financial services and management platforms emerge one after another. However, the emergence of financial services and management platforms cannot effectively alleviate the current financial crisis. In the face of increasingly complex financial risks, traditional financial service and management platforms cannot achieve effective information sharing, which leads to continued low service and management efficiency and frequent financial risk problems. Support vector machine is a data classification algorithm based on supervision, which can realize data sharing and improve the efficiency of data processing. The article firstly readjusted the underlying architecture of the financial service and management platform to break through the barriers of data interaction. Then on this basis, the article further combines the support vector machine algorithm and extends it from binary data classification to multivariate classification. Finally, the paper redesigns the financial service and management platform considering support vector machines. After a series of experiments, it can be found that the financial service and management platform based on the support vector machine algorithm can reduce the financial risk by 17.2%, improve the financial service level by 30.2%, and improve the financial comprehensive service level by 45.2%. At the same time, thanks to information sharing and interaction, the financial service and management platform can effectively predict financial risks, and the accuracy of the prediction basically reaches 78.9%. This shows that a financial service and management platform that takes into account the support vector machine algorithm can effectively prevent financial risks and improve the efficiency of financial services and management.
    MeSH term(s) Algorithms ; Support Vector Machine
    Language English
    Publishing date 2022-09-09
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2388208-6
    ISSN 1687-5273 ; 1687-5273
    ISSN (online) 1687-5273
    ISSN 1687-5273
    DOI 10.1155/2022/7964123
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  7. Article ; Online: Investigation of ash fusion characteristics on co-combustion of coal and biomass (straw, sludge, and herb residue) based on experimental and machine learning method.

    Lei, Ming / Han, Hui / Tian, Xi / Zhang, Lei / Zhang, Qian

    Environmental science and pollution research international

    2024  Volume 31, Issue 6, Page(s) 8467–8482

    Abstract: Co-combustion of coal and biomass has the potential to reduce the cost of power generation in plants. However, because of the high content of the alkali metal of biomass ash, co-combustion of these two fuels leads to unpredictable ash fusion temperature ( ...

    Abstract Co-combustion of coal and biomass has the potential to reduce the cost of power generation in plants. However, because of the high content of the alkali metal of biomass ash, co-combustion of these two fuels leads to unpredictable ash fusion temperature (AFT). This study conducted experiments to measure the AFT of straw, sludge, and herb residue when they were blended with coal at different ratios. Additionally, a machine learning algorithm called tuna swarm optimization (TSO) was employed to optimize the support vector regression (SVR) model to predict the softening temperature (ST) of samples. The results indicate that straw and sludge were found to be suitable for blending in small proportions, while herb residue was suitable for blending in larger proportions. In comparison to the traditional grid search optimization model, the TSO algorithm significantly enhances the prediction accuracy of both training and test sets, and improves the generalization ability of SVR.
    MeSH term(s) Coal/analysis ; Sewage ; Biomass ; Temperature ; Coal Ash/chemistry
    Chemical Substances Coal ; Sewage ; Coal Ash
    Language English
    Publishing date 2024-01-04
    Publishing country Germany
    Document type Journal Article
    ZDB-ID 1178791-0
    ISSN 1614-7499 ; 0944-1344
    ISSN (online) 1614-7499
    ISSN 0944-1344
    DOI 10.1007/s11356-023-31690-3
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    In stock of ZB MED Bonn / Germany

    Z 5915: Show issues

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  8. Article ; Online: Optical Variation and Molecular Transformation of Brown Carbon During Oxidation by NO

    Lei, Yu / Lei, Xin / Tian, Ge / Yang, Jie / Huang, Di / Yang, Xin / Chen, Chuncheng / Zhao, Jincai

    Environmental science & technology

    2024  

    Abstract: ... The ... ...

    Abstract The NO
    Language English
    Publishing date 2024-02-06
    Publishing country United States
    Document type Journal Article
    ISSN 1520-5851
    ISSN (online) 1520-5851
    DOI 10.1021/acs.est.3c08726
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  9. Article: Photoredox radical/polar crossover enables C-H

    Tian, Jiabao / Zhou, Lei

    Chemical science

    2023  Volume 14, Issue 22, Page(s) 6045–6051

    Abstract: A photocatalytic C- ... ...

    Abstract A photocatalytic C-H
    Language English
    Publishing date 2023-05-12
    Publishing country England
    Document type Journal Article
    ZDB-ID 2559110-1
    ISSN 2041-6539 ; 2041-6520
    ISSN (online) 2041-6539
    ISSN 2041-6520
    DOI 10.1039/d3sc00912b
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  10. Article ; Online: Total synthesis of lissodendoric acid A by [4 + 2] cycloaddition of transient cyclic allene.

    Tian, Hongchang / Zhang, Lei

    Chinese journal of natural medicines

    2023  Volume 21, Issue 3, Page(s) 161–162

    MeSH term(s) Cycloaddition Reaction ; Molecular Structure ; Alkadienes
    Chemical Substances propadiene (4AV0LZ8QKB) ; Alkadienes
    Language English
    Publishing date 2023-02-28
    Publishing country China
    Document type Journal Article
    ZDB-ID 2192577-X
    ISSN 1875-5364 ; 2095-6975 ; 1672-3651
    ISSN (online) 1875-5364
    ISSN 2095-6975 ; 1672-3651
    DOI 10.1016/S1875-5364(23)60417-0
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    In stock of ZB MED Cologne/Königswinter

    Zs.A 6113: Show issues Location:
    Je nach Verfügbarkeit (siehe Angabe bei Bestand)
    bis Jg. 2021: Bestellungen von Artikeln über das Online-Bestellformular
    ab Jg. 2022: Lesesaal (EG)

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