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    About Latvian Books Printed Outside Latvia by Ernesta Kazakėnaitė

    Published 2023-12-01
    “…Grāmata Latvijai ārpus Latvijas: kolektīvā monogrāfija = Books for Latvia outside Latvia: collective monograph. Rīga: Latvijas Nacionālā bibliotēka, 2021. 479 P. …”
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    Non-similar Cross fluid flow with modified Darcy's law by Aqsa Bashir, Sohail A. Khan, Sajjad Shaukat Jamal

    Published 2025-03-01
    “…This research investigates rheological material flow by Riga plate. Non-Newtonian material through Cross model is considered. …”
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    Analysis of the Meshing Transmission Characteristic of the Drilling Rig Rotary Table Bevel Gear based on the Virtual Prototyping Technology by Huang Anyi, Dai Yixiang, Hu Xushan, Tian Xiaozhu

    Published 2015-01-01
    “…The drilling rig rotary table bevel gear is an important transmission device for the drive drilling rig.A precise parametric rotary table bevel gear model is established in Pro/E.By means of the data conversion to the interface file parasolid,a virtual prototype model of spiral bevel gear meshing transmission is created in ADAMS.The meshing impact forces of the straight bevel gear are simulated under tow different working conditions.Through analysis,agood coincidence between simulation results and theoretical calculation of the date verified that the virtual prototype model of bevel gears parametric modeling is reasonable and correct.The method provides a theoretical reference for the further discussion of bevel gear transmission system.The accurate simulation result also provides a reasonable guiding for the optimization design of high-power domestic rig rotary table.…”
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    Several Remarks on the Throne Based on the Sphragistics Evidences of Lithuanian Rulers from the End of the XIV to the Middle of the XV Centuries by Loreta Skurvydaitė

    Published 2009-09-01
    “…We know that this seal was most probably made by Riga's gravers. Gediminas' attempts for christening, which would open the way to the change of the state rank, don't contradict the presumption that the majesty seal contained royal insignias, although there is no information about the throne. …”
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