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ANDREAS KARAOULANIS
Pág. 2527 - 2531
This papers objective is to present in a short but concise way several strategies managers need to implement in order to be able to understand the forces that influencing their business. Contemporary management need to re- focus from up to down- stream a...
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Maziar Nekovee and Ferheen Ayaz
5G is the critical mobile infrastructure required to both enable and accelerate the full digital transformation of vertical sectors. While the 5G for vertical sectors is aiming at connectivity requirements of specific verticals, such as manufacturing, au...
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Wei Wu, Edward Myers, Lei Shi, Kurt Hess, Michael Michalski and Stephen White
Tidal datums are key components in NOAA?s Vertical Datum transformation project (VDatum), which enables effective vertical transformation of the water level between tidal, orthometric, and ellipsoid -based three-dimensional reference systems. An initial ...
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D. O. Bannikov
Pág. 154 - 160
In the paper analytical solutions for optimization of external geometrical shape according to criteria of massminimum of bunker and silo capacities for granular materials are presented. The special case of two-parted construction with the vertical upper ...
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Dan Wu, Yuezan Tao, Jie Yang and Bo Kang
For a semi-infinite aquifer controlled by a river channel boundary, when the Laplace transform is used to solve a one-dimensional unsteady seepage model of phreatic water while considering the influence of the vertical water exchange intensity e with the...
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Ladislav Hvizdák, Dana Tometzová, Barbora Iannaccone, Marieta ?oltésová, Lucia Domaracká and Kamil Ky?ela
Historical maps represent a unique and irreplaceable source of information about the history of a country, be it large (historical) regions, individual geomorphological units or specifically defined sites. Using a methodologically correct, critical histo...
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Sizeng Zhao, Fei Kang and Junjie Li
Cracks are the main damages of concrete structures. Since cracks may occur in areas that are difficult to reach, non-contact measurement technology is required to accurately measure the width of cracks. This study presents an innovative computer vision s...
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Christian Stary,Matthes Elstermann,Albert Fleischmann,Werner Schmidt
Pág. 31 - 52
Digital Twins are digital models of Cyber-Physical Systems to enable not only continuous monitoring but also active functional improvement of networked services, physical products, machines and devices. This capacity is of utmost importance when recogniz...
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Sergey Budrin, Grigory Dolgikh, Vladimir Chupin and Stanislav Dolgikh
In this paper, we analyzed the results of experimental data processing in the study of regularities of propagation and transformation of low-frequency harmonic signals at the boundary of the ?sea-land-sea? system. Harmonic signals at a carrier frequency ...
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Lai Jiang, Jisheng Zhang, Linlong Tong, Yakun Guo, Rui He and Ke Sun
This paper presents the results from a numerical simulation study to investigate wave trapping by a series of trapezoidal porous submerged breakwaters near a vertical breakwater, as well as the seabed response around the vertical breakwater. An integrate...
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Lei Shi and Edward Myers
Tidal datums are key components in NOAA?s Vertical Datum transformation project (VDatum). In this paper, we propose a statistical interpolation method, derived from the variational principle, to calculate tidal datums by blending the modeled and the obse...
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Lei Shi, Jindong Wang, Edward Myers and Lijuan Huang
National Oceanic and Atmospheric Administration?s National Ocean Service uses observations, hydrodynamic models and interpolation techniques to develop many of its products and services. We examine how two projects, computation of tidal datums for vertic...
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Petar B. Petrovic
Pág. 27 - 58
The paper presents some results of the research that has been systematically conducted over a long period at the Academy of Engineering Sciences of Serbia (AINS) in the area of modern industrial and especially manufacturing technologies, as well as inter...
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Yu Yao, Ying Chen, Ruiming Han, Desheng Chen, Huanxin Ma, Xiaoxiang Han, Yuqi Feng and Chenfei Shi
This study investigates the decomposition process of algal blooms (ABs) in eutrophic lakes and its impact on the labile endogenous nitrogen (N) cycle. In situ techniques such as diffusive gradients in thin films (DGT) and high-resolution dialysis (HR-Pee...
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Liushuai Cao, Yanyan Pan, Gang Gao, Linjie Li and Decheng Wan
Wakes produced by underwater vehicles, particularly submarines, in density-stratified fluids play a pivotal role across military, academic, and engineering domains. In comparison to homogeneous fluid environments, wakes in stratified flows exhibit distin...
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Mingyang Zhang, Jian Dong, Na Ren and Shuitao Guo
With the increasing demand for high-precision and difficult-to-obtain geospatial point cloud data copyright protection in military, scientific research, and other fields, research on lossless watermarking is receiving more and more attention. However, mo...
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Xin Qian, Yu Fan, Yaguang Wu, Wenjun Wang and Lin Li
Stability analysis of lateral?torsional coupled vibration is obligatory for rotating machinery, such as aero-engines. However, the state-of-the-art method may lead to stability misjudgment under different coordinate systems. The cause of this misjudgment...
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Mingze Wang, Changzhu Wei, Jialun Pu and Naigang Cui
This paper presents a novel predefined-time nonsingular tracking control system for a vertical-takeoff horizontal-landing (VTHL) reusable launch vehicle (RLV) in the face of parameter uncertainties, model couplings and external disturbances. Firstly, thi...
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An-Bo Li, Hao Chen, Xiao-Feng Du, Guo-Kai Sun and Xian-Yu Liu
Most fabrication methods for three-dimensional (3D) geological symbols are limited to two types: directly increasing the dimensionality of a 2D geological symbol or performing appropriate modeling for an actual 3D geological situation. The former can exp...
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Alfin Hikmaturokhman, Kalamullah Ramli, Muhammad Suryanegara, Anak Agung Putri Ratna, Ibrahim Kholilul Rohman and Moinul Zaber
The Indonesian spectrum usage fees?the so-called Biaya Hak Pengguna Frekuensi Izin Pita Frekuensi Radio (BHP IPFR)?are currently calculated using a formula determined by the three following main parameters: the frequency band, the country?s economic para...
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