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  • BioMed Central  (30)
  • American Chemical Society (ACS)  (17)
  • Berlin, Heidelberg :Springer Berlin / Heidelberg,  (2)
  • Nature Publishing Group  (2)
  • The American Society for Biochemistry and Molecular Biology (ASBMB)  (2)
Document type
Publisher
Language
Years
  • 1
    Online Resource
    Online Resource
    Berlin, Heidelberg :Springer Berlin / Heidelberg,
    Keywords: Engineering. ; Electronic books.
    Type of Medium: Online Resource
    Pages: 1 online resource (286 pages)
    Edition: 1st ed.
    ISBN: 9783662484470
    DDC: 681.111
    Language: English
    Note: Intro -- Preface -- Contents -- 1 A Sketch of Ancient Western Astronomy -- 1.1 Historical Development of Western Astronomy -- 1.1.1 Egyptian Civilization -- 1.1.2 Mesopotamian Civilization -- 1.1.3 Aegean Civilization -- 1.1.3.1 Minoan and Mycenaean Civilization -- 1.1.3.2 Dark Age -- 1.1.3.3 Classical Age -- 1.1.3.4 Ionia School -- 1.1.3.5 Pythagoras School -- 1.1.3.6 Plato School -- 1.1.3.7 Hellenistic Age -- 1.2 Astronomical Cycles and Calendars -- 1.2.1 Egyptian Calendar -- 1.2.2 Metonic Cycle -- 1.2.3 Callippic Cycle -- 1.2.4 Saros Cycle -- 1.2.5 Exeligmos Cycle -- 1.3 Ancient Astronomical Theories -- 1.3.1 Solar Theory -- 1.3.2 Lunar Theory -- 1.3.3 Planetary Theory -- 1.4 Remarks -- References -- 2 Ancient Astronomical Instruments -- 2.1 Classifications Based on Functions -- 2.1.1 Observation Application -- 2.1.2 Measuring Position and Distance Application -- 2.1.3 Measuring Time Application -- 2.1.4 Computing Application -- 2.1.5 Demonstration Application -- 2.2 Jacob's Staff -- 2.3 Astrolabe -- 2.4 Sundial -- 2.5 Calendrical Device -- 2.5.1 Astrolabe with Calendrical Gearing -- 2.5.2 Sundial with Calendrical Gearing -- 2.6 Planetarium, Astrarium, and Astronomical Clock -- 2.7 Orrery -- 2.8 Comparisons of Astronomical Instruments -- 2.9 Remarks -- References -- 3 Amazing Discovery of Archaeology -- 3.1 Origination and Process of the Discovery -- 3.1.1 Historical Background of Salvage -- 3.1.2 Story of the Antikythera Finding -- 3.2 Introduction of the Excavations -- 3.3 Known Antikythera Astronomical Device -- 3.3.1 Front Plate -- 3.3.2 Back Plate -- 3.3.3 Display Pointers -- 3.3.3.1 Axial Rotation -- 3.3.3.2 Radial Rotation -- 3.3.3.3 Axial Rotation and Radial Sliding -- 3.3.4 Interior Structure of Mechanisms -- 3.4 Relative Historical Background and Records -- 3.5 Remarks -- References -- 4 Modern Reconstruction Research. , 4.1 Early Mentions -- 4.2 Reconstruction Work by Price -- 4.3 Reconstruction Work by Edmund and Morgan -- 4.4 Reconstruction Work by Wright -- 4.5 Reconstruction Work by Freeth et al. -- 4.6 Others' Research After AD 2000 -- References -- 5 Reconstruction Design Methodology -- 5.1 Reconstruction Research -- 5.2 Reconstruction Design Methodology -- 5.2.1 Design Specifications -- 5.2.2 Generalized Chains -- 5.2.3 Specialized Chains -- 5.2.4 Reconstruction Designs -- 5.3 Historical Archives of Antikythera Device -- 5.3.1 Detected Evidence -- 5.3.2 Decoded Information -- 5.3.3 Ancient Astronomy -- 5.3.4 Ancient Astronomical Instruments -- 5.3.5 Modern Kinematic and Mechanism Analyses -- 5.4 Reconstruction Research by Yan and Lin -- 5.4.1 Concepts of Mechanical Designs -- 5.4.1.1 Mechanical Members -- Link or Kinematic Link (KL) -- Gear (KG) -- 5.4.1.2 Joints -- Revolute Joint (JR) -- Pin-in-Slot Joint (JA) -- Gear Joint () -- 5.4.1.3 Degrees of Freedom -- 5.4.1.4 Topological Structure -- 5.4.2 Date Subsystem -- 5.4.3 Eclipse Prediction Subsystem -- 5.4.4 Calendrical Subsystem -- 5.4.5 Lunar Subsystem -- 5.4.6 Solar Subsystem -- 5.4.7 Planetary Subsystem -- 5.4.8 Summary -- 5.5 Comparisons Among Different Reconstruction Researches -- 5.5.1 Comparison with Price's Design -- 5.5.2 Comparison with Edmund and Morgan's Design -- 5.5.3 Comparison with Wright's Design -- 5.5.4 Comparison with the Design of Freeth et al. -- 5.6 Remarks -- References -- 6 Reconstruction Designs of the Calendrical Subsystem -- 6.1 Historical Archives of the Calendrical Subsystem -- 6.2 Design Process of the Calendrical Subsystem -- 6.2.1 Design Specifications -- 6.2.2 Generalized Chains -- 6.2.3 Specialized Chains -- 6.2.3.1 Ground Link (Member 1) -- 6.2.3.2 Callippic Cycle Link (Member 5) -- 6.2.3.3 Olympiad Cycle Link (Member 4) -- 6.2.3.4 Input Link (Member 2). , 6.2.3.5 Metonic Cycle Link (Member 3) -- 6.2.3.6 Transmission Link (Link 6) -- 6.2.4 Reconstruction Designs -- 6.2.4.1 Tooth Calculation of the Feasible Designs -- Feasible Reconstruction Design of Fig. a -- Feasible Reconstruction Design of Fig. b -- 6.3 Remarks -- References -- 7 Reconstruction Designs of the Lunar Subsystem -- 7.1 Historical Archives of the Lunar Subsystem -- 7.1.1 Kinematic Analysis of the Lunar Theory -- 7.1.2 Kinematic Analysis of Epicyclic Gear Trains -- 7.2 Design Process of the Lunar Subsystem -- 7.2.1 Design Specifications -- 7.2.2 Generalized Chains -- 7.2.3 Specialized Chains -- 7.2.3.1 Pin-in-Slot Device (Members 3, 5, and 6, and Joint JA) -- 7.2.3.2 Anomalistic Link (Member 4) -- 7.2.3.3 Ground Link (Member 1) -- 7.2.3.4 Sidereal Link and Output Link (Members 2 and 7) -- 7.2.3.5 Revolute Joints (Joints JR) -- 7.2.3.6 Gear Joints (JG) -- 7.2.4 Reconstruction Designs -- 7.3 Remarks -- References -- 8 Reconstruction Designs of the Solar Subsystem -- 8.1 Historical Archives of the Solar Subsystem -- 8.1.1 Possible Arrangements of the Driving Power -- 8.1.2 Kinematic Analysis of the Solar Theory -- 8.1.3 Eccentric System of the Solar Motion -- 8.1.4 Epicyclic System of the Solar Motion -- 8.1.4.1 Four-Bar Mechanism with 5 Joints -- 8.1.4.2 Five-Bar Mechanism with 7 Joints -- 8.2 Design Process of the Solar Subsystem -- 8.2.1 Type 1 Design of the Solar Subsystem -- 8.2.2 Type 2 Design of the Solar Subsystem -- 8.2.3 Type 3 Design of the Solar Subsystem -- 8.2.3.1 Ground Link (Member 1) -- 8.2.3.2 Input Link (Member 2) -- 8.2.3.3 Output Link (Member 3) -- 8.2.3.4 Transmission Links (Members 4 and 5) -- 8.2.3.5 Pin-in-Slot Joint (Joint JA) -- 8.2.3.6 Revolute Joints (Joint JR) -- 8.2.3.7 Gear Joints (Joint JG) -- 8.3 Remarks -- References -- 9 Reconstruction Designs of the Planetary Subsystem. , 9.1 Historical Archives of the Planetary Subsystem -- 9.1.1 Type 1 Design: Mechanism with One Gear Joint -- 9.1.2 Type 2 Design: Mechanism with Two Gear Joints -- 9.1.2.1 All Planet Gears Are Adjacent to Each Other by a Gear Joint -- 9.1.2.2 Two Planet Gears Are Adjacent to Each Other by a Pin-in-Slot Joint -- 9.2 Design Process of the Planetary Subsystem -- 9.2.1 Type 1 Design of the Planetary Subsystem -- 9.2.2 Type 2 Design of the Planetary Subsystem -- 9.2.2.1 Ground Link (Member 1) -- 9.2.2.2 Output Link (Member 3) -- 9.2.2.3 Input Link (Member 2) -- 9.2.2.4 Transmission Links (Members 4 and 5) -- 9.2.2.5 Pin-in-Slot Joint (Joint JA) -- 9.2.2.6 Gear Joints (Joint JG) -- 9.2.2.7 Revolute Joints (Joint JR) -- 9.3 Remarks -- References -- 10 Reconstruction Designs of the Moon Phase Display Device -- 10.1 Historical Archives of the Moon Phase Display Device -- 10.1.1 Related Evidence and Available Designs -- 10.1.2 Possible Driving Power Arrangements -- 10.1.3 Possible Design Types -- 10.2 Design Process of the Moon Phase Display Device -- 10.2.1 Example 1: Ordinary Gear Trains -- 10.2.2 Example 2: Epicyclic Gear Trains with 1-DOF -- 10.2.3 Example 3: Epicyclic Gear Trains with 2-DOF -- References -- 11 Assembly Work and Models -- 11.1 Complete Interior Mechanisms -- 11.1.1 Assembly Constraints of the Lost Mechanisms -- 11.1.1.1 Driving Power of Lost Mechanisms -- 11.1.1.2 Gear Sizes -- 11.1.1.3 Types of Planets -- 11.1.1.4 Epicyclic System of Superior Planets -- 11.1.2 Assembly Work -- 11.2 3D Reconstruction Model -- 11.2.1 Tooth Calculation -- 11.2.1.1 Calendrical Subsystem -- 11.2.1.2 Solar Subsystem -- 11.2.1.3 Planetary Subsystem -- 11.2.2 Detail Designs of Gears -- 11.2.3 Space Arrangement -- 11.2.4 Simulation Model -- References -- Appendix A All 48 Feasible Designs of CompleteInterior Mechanisms -- Appendix B Detailed Design of Model 9. , Index.
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  • 2
    Keywords: Machine learning -- Congresses. ; Cybernetics -- Congresses. ; Electronic books.
    Type of Medium: Online Resource
    Pages: 1 online resource (1128 pages)
    Edition: 1st ed.
    ISBN: 9783540335856
    Series Statement: Lecture Notes in Computer Science Series ; v.3930
    DDC: 006.31
    Language: English
    Note: Intro -- Preface -- Organization -- Table of Contents -- Author Index.
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  • 3
    Publication Date: 2022-05-25
    Description: © Macmillan Publishers Limited, 2011. This article is distributed under the terms of the Creative Commons Attribution License. The definitive version was published in Nature Communications 2 (2011): 293, doi:10.1038/ncomms1297.
    Description: The relative importance of north–south migrations of the intertropical convergence zone (ITCZ) versus El Niño-Southern Oscillation and its associated Pacific Walker Circulation (PWC) variability for past hydrological change in the western tropical Pacific is unclear. Here we show that north–south ITCZ migration was not the only mechanism of tropical Pacific hydrologic variability during the last millennium, and that PWC variability profoundly influenced tropical Pacific hydrology. We present hydrological reconstructions from Cattle Pond, Dongdao Island of the South China Sea, where multi-decadal rainfall and downcore grain size variations are correlated to the Southern Oscillation Index during the instrumental era. Our downcore grain size reconstructions indicate that this site received less precipitation during relatively warm periods, AD 1000–1400 and AD 1850–2000, compared with the cool period (AD 1400–1850). Including our new reconstructions in a synthesis of tropical Pacific records results in a spatial pattern of hydrologic variability that implicates the PWC.
    Description: This work was supported by the Natural Science Foundation of China (NSFC) (40730107) and the Major State Basic Research Development Program of China (973 Program) (No.2010CB428902). DWO acknowledges support from the US NSF.
    Repository Name: Woods Hole Open Access Server
    Type: Article
    Format: application/pdf
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  • 4
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Abscisic acid (ABA) is a vital phytohormone that regulates mainly stomatal aperture and seed development, but ABA receptors involved in these processes have yet to be determined. We previously identified from broad bean an ABA-binding protein (ABAR) potentially involved in stomatal signalling, the ...
    Type of Medium: Electronic Resource
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  • 5
    Publication Date: 2011-02-27
    Description: Energy & Fuels DOI: 10.1021/ef101610z
    Print ISSN: 0887-0624
    Electronic ISSN: 1520-5029
    Topics: Chemistry and Pharmacology , Energy, Environment Protection, Nuclear Power Engineering , Process Engineering, Biotechnology, Nutrition Technology
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  • 6
    Publication Date: 2011-09-08
    Description: Langmuir DOI: 10.1021/la202267p
    Print ISSN: 0743-7463
    Electronic ISSN: 1520-5827
    Topics: Chemistry and Pharmacology
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  • 7
    Publication Date: 2013-11-01
    Description: The Journal of Organic Chemistry DOI: 10.1021/jo401866p
    Print ISSN: 0022-3263
    Electronic ISSN: 1520-6904
    Topics: Chemistry and Pharmacology
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  • 8
    Publication Date: 2013-04-17
    Description: Environmental Science & Technology DOI: 10.1021/es304558y
    Print ISSN: 0013-936X
    Electronic ISSN: 1520-5851
    Topics: Chemistry and Pharmacology , Energy, Environment Protection, Nuclear Power Engineering
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  • 9
    Publication Date: 2013-04-28
    Description: Background: Activated hepatic stellate cells (aHSCs) play an important role in the progression of hepatocellular carcinoma (HCC). Here, we determined if cytokines secreted in response to the herbal compound "Songyou Yin" (SYY) treatment of aHSCs could influence invasiveness and metastatic capabilities of hepatoma cells. Methods: Primary rat hepatic stellate cells (HSCs) were isolated, activated, divided into SYY treated and untreated (nSYY) groups, and conditioned media (CM-SYY and CM-nSYY, respectively) were collected. The hepatoma cell line, McA-RH7777 was cultured for 4 weeks with SYY, CM-SYY, and CM-nSYY, designated McA-SYY, McA-SYYCM and McA-nSYYCM. The invasiveness and metastatic capabilities were evaluated using Matrigel invasion assay in vitro and pulmonary metastasis in vivo. Matrix metalloproteinase-2 (MMP-2), MMP-9, E-cadherin, N-cadherin, and vimentin protein levels in McA-SYYCM and McA-nSYYCM were evaluated by Western blot. Cytokine levels in conditioned media were tested using enzyme-linked immunosorbent assay (ELISA). Results: Matrigel invasion assay indicated that the number of McA-SYYCM cells passing through the basement membrane was less than in McA-nSYYCM cells (P 〈 0.01). Similar results were also observed in vivo for lung metastasis. McA-SYYCM cells showed less pulmonary metastasis capabilities than McA-nSYYCM cells (P 〈 0.001). The reduced expression of MMP-2 and reversed epithelial to mesenchymal transition with E-cadherin upregulation, and N-cadherin and vimentin downregulation were also found in McA-SYYCM compared to McA-nSYYCM. Metastasis-promoting cytokines hepatocyte growth factor, interleukin-6, transforming growth factor-beta1, and vascular endothelial growth factor were markedly decreased in CM-SYY compared to CM-nSYY. Conclusions: SYY attenuates hepatoma cell invasiveness and metastasis capabilities through downregulating cytokines secreted by activated hepatic stellate cells.
    Electronic ISSN: 1472-6882
    Topics: Medicine
    Published by BioMed Central
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  • 10
    Publication Date: 2013-05-15
    Description: Background: The detection of serum tumor marker becomes a common method for screening tumors. However, this method has not been widely used for routine gastric cancer screening. In this study we aimed to determine whether the combined use of tumor markers may increase the sensitivity for the diagnosis of gastric cancer. Methods: Serum AFP, CEA, CA125 and CA19-9 levels were measured in 149 patients with gastric cancer, 111 patients with benign gastric diseases and 124 healthy people, who visited the First Affiliated Hospital of Nanchang University from May 2011 to May 2012. Statistical analysis including receiver operating characteristic (ROC) curve, the area under the curve (AUC), and logistic regression analysis was performed to evaluate the diagnostic value of these markers on gastric cancer. Results: Serum levels of CEA, CA125, and CA19-9 in gastric cancer group were higher than that in the benign gastric disease group and the healthy control group (P
    Electronic ISSN: 1471-230X
    Topics: Medicine
    Published by BioMed Central
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