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Articoli di riviste sul tema "Lino (Ship)"

Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 29 luglio 2025

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1

Thomas, Patricia. "The Other Side of History: Underground Literature and the 1951 Waterfront Dispute." Back Story Journal of New Zealand Art, Media & Design History, no. 3 (December 1, 2017): 27–44. http://dx.doi.org/10.24135/backstory.vi3.27.

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In February 1951, industrial discord between New Zealand watersiders and British ship-owners led to a dispute that was seen by each as a lockout and a strike respectively. Throughout the duration of the dispute, the Trades Union Congress and Wellington Waterside Workers’ Union Action Committee produced and distributed substantial amounts of printed material to stiffen the struggle among its members, vilify strike-breakers and the National Government – whose ultimate aim it was to crush the Union –and to ridicule the police – who were the instruments ofenforcement against the newly-minted Water

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2

Diccianni, Mitchell B., Lisa M. Barnhill, Tony Lo, and Alice L. Yu. "SHIP1 and PTEN Co-Inactivation and Akt Pathway Targeting in ALL." Blood 114, no. 22 (2009): 2386. http://dx.doi.org/10.1182/blood.v114.22.2386.2386.

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Abstract Abstract 2386 Poster Board II-363 Despite success in the treatment of Acute lymphoblastic leukemia (ALL), relapse and death continue to occur and in survivors, secondary malignancies due to the impact of aggressive chemotherapy negatively impact the quality and duration of life. Akt plays a central role in signal transduction and is negatively regulated by PTEN and, in cells of hematopoietic lineage, SHIP1; it is positively regulated by PIK3CA. Despite multiple levels of regulation, Akt is aberrantly activated in many cancers including ALL. To understand the mechanism behind Akt activ

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3

Fransisco, P. T. Pangalila, O. J. Modaso Vivanda, and V. Dien Heffry. "Resistance of Fishing Ship That Based On Bitung Coastal Area." INTERNATIONAL JOURNAL OF AGRICULTURE AND BIOLOGICAL SCIENCES 7, Jan & feb 2023 (2023): 01–09. https://doi.org/10.5281/zenodo.7689080.

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<em>The type of fishing vessel that is widely used by fishermen in North Sulawesi, especially in the Bitung Coast, is a pelagic fishing vessel. When the ship sails at a certain speed, it will experience resistance in the form of resistance. This resistance will cause some speed drops. This will result in losses to the ship, including the time it takes when the ship performs maneuvers to catch schools of fish, extending the sailing time so that fuel consumption becomes greater and the use of working hours becomes longer, which means the cost of exploitation of the ship becomes greater.</em> <em

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4

Grzechca, W. "Manufacturing in Flow Shop and Assembly Line Structure." International Journal of Materials, Mechanics and Manufacturing 4, no. 1 (2015): 25–30. http://dx.doi.org/10.7763/ijmmm.2016.v4.219.

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5

Li, Jun Tao, and Wei Peng. "Influence of Waterproof Wall in Approach Channel of Double-Line Ship Lock on Flow Condition." Applied Mechanics and Materials 716-717 (December 2014): 347–50. http://dx.doi.org/10.4028/www.scientific.net/amm.716-717.347.

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Unsteady flow during lock filling and emptying in approach channel of double-line ship lock is more complicated than that of single line ship lock. In this paper, by a 3-D numerical model, the water fluctuation inside approach channel under different arrangement types of waterproof wall and the hydraulic characteristics such as longitudinal flow velocity and transverse flow velocity were analyzed on the basis of the 2000t second-line ship lock construction project of Zhuzhou navigation power junction in Xiangjiang River. According to the separate arrangement scheme and the completely-connected

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6

Wu, Haitao, Zhiyang Zhang, and Weixing Liu. "Dynamic Behavior Analysis of an Engineering Ship With Mooring Line Failure." Marine Technology Society Journal 56, no. 2 (2022): 20–34. http://dx.doi.org/10.4031/mtsj.56.2.7.

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Abstract In the present study, a series of numerical simulations were conducted to analyze the dynamic behavior of an engineering ship with mooring line failure. For this purpose, a fully coupled dynamic analysis program was used to develop a nonlinear numerical model of the hull-mooring system. One of the four mooring lines was intentionally disconnected at a certain time. Under the environmental condition, the ship motions and mooring line tension were discussed in detail. It turned out that mooring line failure would have a significant influence on the performance of the ship, which may thr

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7

Sun, Changle, Mingzhi Liu, and Shihao Ge. "B-Spline Curve Fitting of Hungry Predation Optimization on Ship Line Design." Applied Sciences 12, no. 19 (2022): 9465. http://dx.doi.org/10.3390/app12199465.

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The ship line often describes by the offset table of discrete data points, which leads to the problems that three view coordinates may not correspond, the fitting error is large and the fitted curve cannot be easily modified. This will seriously affect the subsequent ship performance evaluation and op-timization. To solve this problem, this paper develops a B-spline curve fitting of hunger predation optimization on ship line design (HPA), which contains knot guidance technology, hungry preda-tion optimization technology and adaptive adjustment of algorithm input parameters. HPA transforms the

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8

Yang, T. C., Kwang Yoo, and Laurie Fialkowski. "Geoacoustic inversion using ship noise received on the ship‐towed line array." Journal of the Acoustical Society of America 118, no. 3 (2005): 1857. http://dx.doi.org/10.1121/1.4778835.

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9

Yan, Zhaojin, Guanghao Yang, Rong He, Hui Yang, Hui Ci, and Ran Wang. "Ship Trajectory Clustering Based on Trajectory Resampling and Enhanced BIRCH Algorithm." Journal of Marine Science and Engineering 11, no. 2 (2023): 407. http://dx.doi.org/10.3390/jmse11020407.

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Automatic identification systems (AIS) provides massive ship trajectory data for maritime traffic management, route planning, and other research. In order to explore the valuable ship traffic characteristics contained implicitly in massive AIS data, a ship trajectory clustering method based on ship trajectory resampling and enhanced BIRCH (Balanced Iterative Reducing and Clustering using Hierarchies) algorithm is proposed. The method has been tested using 764,393 AIS trajectory points of 13,845 ships in the waters of the Taiwan Strait of China, and 832 ship trajectories have been generated and

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10

Kazakoff, Alexander Borisoff, and Boycho Ivanov Marinov. "Five Mass Power Transmission Line of a Ship Computer Modelling." Journal of Theoretical and Applied Mechanics 46, no. 1 (2016): 3–16. http://dx.doi.org/10.1515/jtam-2016-0001.

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Abstract The work, presented in this paper, appears to be a natural continuation of the work presented and reported before, on the design of power transmission line of a ship, but with different multi-mass model. Some data from the previous investigations are used as a reference data, mainly from the analytical investigations, for the developed in the previ- ous study, frequency and modal analysis of a five mass model of a power transmission line of a ship. In the paper, a profound dynamic analysis of a concrete five mass dynamic model of the power transmission line of a ship is performed usin

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11

II Kim, Kwang, Keon Myung Lee, and Jang Young Ahn. "Methods of ship trajectory data processing for applying artificial neural network in port area." International Journal of Engineering & Technology 7, no. 2.12 (2018): 145. http://dx.doi.org/10.14419/ijet.v7i2.12.11112.

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Background/Objectives: In Vessel Traffic Service (VTS), prediction of the flow of vessel traffic is essential to serve safety information and control ship traffic. However, it is difficult to predict a ship’s speed due to many external forces and environmental conditions. This study proposes a data processing method to convert ship speed data to categorical data by dividing ship navigating routes into several gate lines.Methods/Statistical analysis: A ship’s trajectory is converted to each route’s gate line speed. To determine the gate line speed, we convertedthe previous and subsequent gate l

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12

He, Juan, Wei Cai, Guang Hui Huang, and Ying Chen. "Study on the EEDI Calculation and Reference Line of River-Sea-Going Ship for Certain Routes." Applied Mechanics and Materials 536-537 (April 2014): 1679–83. http://dx.doi.org/10.4028/www.scientific.net/amm.536-537.1679.

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In this article it compares the different EEDI formulas proposed by IMO and CCS formula. On the basis of it, the river-sea-going ships EEDI calculation formula can be put forward. After comprising the EEDI reference lines of every kind of sea-going and Inland ships and compute the practice example of the developed river-sea-going ship, the conclusion can be drawn that the reference line of Inland ship is generally lower and should be the reference in verification of river-sea-going ship in the absence of river-sea-going ship EEDI reference line nowadays.

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13

Chen, Zhe, Chao Ding, Zhen Liu, and Shilin Sun. "Finite element simulation analysis of vibration transmission characteristics of double shell based on ANSYS." Journal of Physics: Conference Series 2730, no. 1 (2024): 012020. http://dx.doi.org/10.1088/1742-6596/2730/1/012020.

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Abstract Ship noise contains a large number of low-frequency line spectrum features. It is difficult to distinguish where they come from and even more difficult to identify the ship’s target types using the line spectrum. Therefore, research on ship targets’ vibration transmission characteristics and radiation noise is of great importance for underwater target recognition. From the perspective of underwater acoustic target recognition, this article establishes a simplified finite element model of the double shell using ANSYS, calculates the displacement response of the double shell under harmo

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ARICAN, Ozan Hikmet. "Selecting the Most Economical Ship Type for the Marine Business Investor: A Hybrid Approach with PSI-PIPRECIA-COCOSO Methods." International Journal of Contemporary Economics and Administrative Sciences 14, no. 2 (2024): 833–53. https://doi.org/10.5281/zenodo.14630805.

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<strong>Abstract</strong> The demand for maritime transportation is experiencing a notable surge in line with the growth in international trade. Turkey's rising import and export figures are facilitating the country's ability to procure and distribute a greater volume of products. This expansion has led to a considerable increase in the number of ships purchased by maritime companies operating in Turkey. However, this situation indicates that there are deficiencies in choosing the most appropriate ship type for the investments to be made by ship operator investors. The ship selection process i

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15

Wijaya, Lianna, Sylvia Samuel, and Sarfilianty Anggiani. "MEMBANGUN TEAMWORK PERFORMANCE DARI CULTURE DIVERSITY MELALUI COMMUNICATION DI LINGKUNGAN KERJA." Jurnal IPTA 9, no. 1 (2021): 214. http://dx.doi.org/10.24843/ipta.2021.v09.i01.p21.

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The culture diversity in the working environment of Holland America Cruise Line caused by the multicultural and multinational crews. The purpose of the research is to analyze the culture diversity, communication, teamwork performance on board the cruise ship as well as to analyze the communication as the mediator to link the culture diversity and the teamwork performance in working environment of Holland America Cruise Line. The research involved 110 cruise ship crews as specific respondents and using qualitative method with purposive sampling questionnaire method. The primary data is collecte

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Hu, Yanzhe, Mengjie Xu, and Yang Li. "Simulation Model and State Analysis of Ship Transmission Line." Polish Maritime Research 25, s3 (2018): 36–42. http://dx.doi.org/10.2478/pomr-2018-0110.

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Abstract In order to discuss the simulation model of the ship transmission line and the state of the transmission line, an early fault model is built according to the evolution principle of the short circuit fault of the transmission line and combining with the fault characteristics of the early fault. A small distributed ship transmission line system is built in MATLAB/ Simulink. Then, combined with the constructed fault module, the original short circuit module, and the load module, the various states (normal state, early fault state, severe early fault state, short circuit state) of the shi

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17

Zhan, Shuai. "Study on Feature Extraction of Ship Radiated Noise Based on Cepstrum and Anti-Noise Property." Advanced Materials Research 981 (July 2014): 786–89. http://dx.doi.org/10.4028/www.scientific.net/amr.981.786.

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Line spectrum is one kind of important feature information of the ship radiated noise, which provides a strong basis for the ship detection and identification. Due to the complexity of marine environment and the special nature of underwater acoustic channel,it is difficult to obtain ship radiated noise’ signals from the complex background noise. Under this situation, this paper proposed the cepstrum as the extraction method of obtaining feature information of the ship radiated noise, and the robust to noise performance was analyzed and compared. The analysis’ result shows that the method is si

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18

Zhang, Ruiqian, Jian Yao, Kao Zhang, Chen Feng, and Jiadong Zhang. "S-CNN-BASED SHIP DETECTION FROM HIGH-RESOLUTION REMOTE SENSING IMAGES." ISPRS - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XLI-B7 (June 21, 2016): 423–30. http://dx.doi.org/10.5194/isprs-archives-xli-b7-423-2016.

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Reliable ship detection plays an important role in both military and civil fields. However, it makes the task difficult with high-resolution remote sensing images with complex background and various types of ships with different poses, shapes and scales. Related works mostly used gray and shape features to detect ships, which obtain results with poor robustness and efficiency. To detect ships more automatically and robustly, we propose a novel ship detection method based on the convolutional neural networks (CNNs), called SCNN, fed with specifically designed proposals extracted from the ship m

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Zhang, Ruiqian, Jian Yao, Kao Zhang, Chen Feng, and Jiadong Zhang. "S-CNN-BASED SHIP DETECTION FROM HIGH-RESOLUTION REMOTE SENSING IMAGES." ISPRS - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XLI-B7 (June 21, 2016): 423–30. http://dx.doi.org/10.5194/isprsarchives-xli-b7-423-2016.

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Reliable ship detection plays an important role in both military and civil fields. However, it makes the task difficult with high-resolution remote sensing images with complex background and various types of ships with different poses, shapes and scales. Related works mostly used gray and shape features to detect ships, which obtain results with poor robustness and efficiency. To detect ships more automatically and robustly, we propose a novel ship detection method based on the convolutional neural networks (CNNs), called SCNN, fed with specifically designed proposals extracted from the ship m

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20

Aman, M. Javad, Scott F. Walk, Michael E. March, Hua-Poo Su, D. Jeannean Carver та Kodimangalam S. Ravichandran. "Essential Role for the C-Terminal Noncatalytic Region of SHIP in FcγRIIB1-Mediated Inhibitory Signaling". Molecular and Cellular Biology 20, № 10 (2000): 3576–89. http://dx.doi.org/10.1128/mcb.20.10.3576-3589.2000.

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ABSTRACT The inositol phosphatase SHIP binds to the FcγRIIB1 receptor and plays a critical role in FcγRIIB1-mediated inhibition of B-cell proliferation and immunoglobulin synthesis. The molecular details of SHIP function are not fully understood. While point mutations of the signature motifs in the inositol phosphatase domain abolish SHIP's ability to inhibit calcium flux in B cells, little is known about the function of the evolutionarily conserved, putative noncatalytic regions of SHIP in vivo. In this study, through a systematic mutagenesis approach, we identified the inositol phosphatase d

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21

Li, Chun Tao, Xiang Qi, Jian Shi, Zhong Kun Shi, and Huan Qi. "Ship Lines Modeling Theory of High-Speed Ship Based on the Partial Differential Equations." Advanced Materials Research 602-604 (December 2012): 1827–30. http://dx.doi.org/10.4028/www.scientific.net/amr.602-604.1827.

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Based on the analysis of molded line geometrical characteristic and boundary conditions of high-speed frigate’s hull by using differential geometry, we report a curve modeling principle to express the hull line geometry through differential geometry application. The starting point of this molded-line automatic generation method is using the planar curve to express 3D surface shape. The first problem to be solved is how to get shape functions which describe every design ship curves via the the hull type curves geometry. The second problem to be solved is how the two-dimensional function, which

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22

Kery, Sean. "Dynamic Modeling of Ship-to-Ship and Ship-to-Pier Mooring Performance." Marine Technology Society Journal 52, no. 5 (2018): 87–93. http://dx.doi.org/10.4031/mtsj.52.5.10.

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AbstractTraditional methods for the design of ship-to-pier moorings in normal and storm conditions and for ship-to-ship moorings under normal conditions are currently based on static calculations. These calculations have served well for many years, first with natural fiber ropes and later with nylon and other low- to medium-modulus synthetics. Key to the success of this simplistic approach is lines that can elongate enough under tension to share the loads between multiple lines. When wire rope mooring lines are introduced, an increased weight catenary and the use of constant tension winches al

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Xiong, Yifei, Xiya Hu, and Yahong Wang. "Multi-beam Line-finding Problem Based on Geometric Model." Highlights in Science, Engineering and Technology 82 (January 26, 2024): 205–14. http://dx.doi.org/10.54097/fv4gdd16.

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In this paper, a geometric model is established to study the problem of multi-beam sounding line deployment. In this paper, the index of multi-beam sounding is calculated firstly. The geometric model of the path of the acoustic signal transmitted by the measuring ship and the transducer of the measuring ship, the seabed slope and the plane perpendicular to the direction of the measuring line are established. The mathematical relationship between the coverage width W of multi-beam sounding and the overlap rate between adjacent strips is obtained, and the overlap rate between adjacent strips is

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Sakakibara, Shigeki, Shunji Sunahara, and Kaku Ito. "A SLACK MOORING FOR A LARGE SHIP UNDER BEAM SEAS IN PORT." Coastal Engineering Proceedings, no. 36 (December 30, 2018): 57. http://dx.doi.org/10.9753/icce.v36.risk.57.

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As an empirical and traditional ship mooring method, a pretension mooring (a hard mooring) or slack mooring (without pretension in mooring line) is performed for large ship or small ship, respectively. However, the slack mooring is applied to a large ship under beam seas in port to avoid large roll and sway motions, and excessive loads in mooring lines and fenders. In this study, the mechanism and validity of the slack mooring for large ship is investigated by a physical model test and a numerical simulation method of the moored ship motions and mooring loads under beam seas.

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Andersen, Kristina, Ron Wakkary, Laura Devendorf, and Alex McLean. "Digital crafts-machine-ship." Interactions 27, no. 1 (2019): 30–35. https://doi.org/10.1145/3373644.

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The weaver sits at the loom, moving with the rhythm of the shuttle, quietly counting or cursing, as row by row of lines of interconnected fiber is added into a set of raised and lowered threads. The threads are raised and lowered in different configurations for each flight of the shuttle, adding to the material line by line. A screen, a paper, a punch card holds the abstract of the pattern, but this is only a part of it. The emergent pattern is embodied in the weaver, their movements and rhythms entangled with the blue shuttle, gray shuttle, right-hand flight, left-hand reed, weft and warp, th

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Meng, Xiangwei, Xue-ping Gao, Wen-zhong Zhang, and Yun-peng Jiang. "EXPERIMENTAL FORMULA FOR THE WAVE-INDUCED SHIP MOORING FORCE." Coastal Engineering Proceedings 1, no. 32 (2011): 61. http://dx.doi.org/10.9753/icce.v32.waves.61.

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The wave force dose not considered at the formula of mooring ship cable force in the Load Code for Harbor Engineering[JTJ215-98]. This brought the inconvenience to the calculation of designed cable force for mooring ship. By means of analysis for the laboratory model test result of mooring ship cable force under wave effect, Wave force formula of mooring ship under wave effect was gained. This formula well reflected the influence of ship size, ship load , ship rolling period, ship pitch period, wave period and wave height. The formula can be used in the calculation of standard value of mooring

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Kim, Jonghoek. "Ship Defense Strategy Using a Planar Grid Formation of Multiple Drones." Applied Sciences 13, no. 7 (2023): 4397. http://dx.doi.org/10.3390/app13074397.

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This article introduces a ship defense strategy using a planar grid formation of multiple drones. We handle a scenario where a high-speed target with variable velocity heads towards the ship. The ship measures the position of the target in real time. Based on the measured target, the drones guidance laws are calculated by the ships on-board computer and are sent to every drone in real time. The drones form a planar grid formation, whose center blocks the Line-Of-Sight (LOS) line connecting the target and the ship. Since the target is guided to hit its goal (ship), the drones can effectively bl

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Murawski, Lech. "Shaft Line Whirling Vibrations: Effects of Numerical Assumptions on Analysis Results." Marine Technology and SNAME News 42, no. 02 (2005): 53–60. http://dx.doi.org/10.5957/mt1.2005.42.2.53.

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Whirling (lateral, transverse, bending) vibration of a typical marine power transmission system is not usually dangerous for a shaft line. Nevertheless, the shaft line lateral vibration analysis is quite often performed, especially for a long, elastic shaft line or when a ship hull is elastic compared to the propulsion system (Camisetti 1982). Whirling vibrations are transferred to the ship hull through journal bearings and may be a source of excessive superstructure vibrations. During whirling vibrations analysis, some parameters have to be checked. Usually, a beam model of the power transmis

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Khalyavkin, Aleksey Aleksandrovich, Sergey Aleksandrovich Makeev, Dmitry Vladimirovich Loshadkin, et al. "Evaluation of influence of elastic properties of slide bearing of ship stern gear on stiffness coefficient." Vestnik of Astrakhan State Technical University. Series: Marine engineering and technologies 2020, no. 1 (2020): 83–93. http://dx.doi.org/10.24143/2073-1574-2020-1-83-93.

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The article considers the ship shaft line as a complex dynamic system influencing the operation of the ship. There has been given a diagram of the shaft line with one stern bearing and one remote bearing of the propeller shaft. The shaft line service life depends on the material of the slide bearing of the stern gear (lignum vitae, babbitt, textolite, caprolon, bronze, polyurethanes, rubber). The analysis of the research of static and dynamic calculations of ship shafting has been carried out. The design scheme of the ship shafting on elastic point supports is presented. It has been referred t

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Nabila Nurul Ikhlas, Iing Mustain, Abdurohman, and Nono Darsono. "Jumping Ship Crew In Cruise Ship Crew Recruitment At PT. CWT." Jurnal Sains Teknologi Transportasi Maritim 6, no. 2 (2024): 111–16. https://doi.org/10.51578/j.sitektransmar.v6i2.80.

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The purpose of the study was to determine the flow of the cruise ship crew recruitment process at PT. CWT, to find out what obstacles are experienced when recruiting cruise ship crew, and to find out a crew to meet the targets of the Norwegian Cruise Line. The study used a qualitative descriptive approach to case studies in the selected objects. Data collection in the study used data triangulation, namely observation, interviews, and documentation. The object of the study is PT. CWT Bandung. The results of the study were obtained. There are several factors that make crew take a long time to jo

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Park, JungSeo, JongGye Shin, YoungBum Kim, et al. "Application of Heating Line Computation Model in a Shipyard: A Case Study." Journal of Ship Production 24, no. 01 (2008): 17–24. http://dx.doi.org/10.5957/jsp.2008.24.1.17.

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A ship hull is largely made of curved plates, and some of them are doubly curved ones that are not developable. They are formed by the line heating method that has been used for a long time in ship construction. There have been a lot of efforts to automate the line heating process, and a practical algorithm for line heating information was developed. The algorithm, based on differential geometry and kinematics analysis of plates, was efficient in terms of computational time. Up to now, however, its applicability to the real shipyard process has not been evaluated. In this paper, we develop a s

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SZELANGIEWICZ, Tadeusz, and Katarzyna ŻELAZNY. "CO2 emission level as a criterion in modern transport ship design." Combustion Engines 156, no. 1 (2014): 59–68. http://dx.doi.org/10.19206/ce-116953.

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From 2013 onwards Energy Efficiency Design Index (EEDI) for new ships has been in force. The EEDI value for a given ship is calculated according to a standard formula and compared against a ship specific standard by means of a so called reference line which will be gradually changing (decreasing) in subse-quent years. The article presents possible ways of increasing ship propulsion efficiency in order to de-crease ship propulsion power, EEDI value and CO2 levels.

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Ohtsu, Kohei, Tadao Takai, and Hideaki Yoshihisa. "A Fully Automatic Berthing Test Using the Training Ship Shioji Maru." Journal of Navigation 44, no. 2 (1991): 213–23. http://dx.doi.org/10.1017/s0373463300009954.

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In this paper, the authors discuss a fully automatic berthing system and actual tests using a small training ship, Shioji Maru. The ship is about 440 gross tonnage and furnished with a controllable pitch propeller, a bow thruster and a stern thruster to which a computer can easily be linked. The system developed is composed of an electro-optical position measuring system and the computer software necessary for manoeuvring the ship.The electro-optical position measuring system can measure a distance between the ship and a target on a berth within 4 cm accuracy and cover an area out to about 100

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Hu, Xu Yue, Lin Kai Lv, Xiao Xiong Shen, Qing Song Zhang, and Yan Li. "Application of the Off-Line Simulation System of the Ship Maneuvering in Transition Section Navigation Research of the Continuous Bend." Applied Mechanics and Materials 117-119 (October 2011): 660–65. http://dx.doi.org/10.4028/www.scientific.net/amm.117-119.660.

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The mathematical model of ship maneuvering is the core of the ship maneuvering off-line simulation system, it establishes three degrees of freedom motion control equation of the rigid body dynamics , in which the ship as a rigid body. Using MMG (Ship Maneuvering Mathematical Model Group) detached method, it considers the role of force and torque as well as the three mutual influences of hull, propeller and rudder respectively, than it applies runge-kutta method to solve differential equations and combine them with matlab programming languages. According to the rotation test and Z-style test of

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Wilson, P. A., C. J. Harris, and X. Hong. "A Line of Sight Counteraction Navigation Algorithm for Ship Encounter Collision Avoidance." Journal of Navigation 56, no. 1 (2003): 111–21. http://dx.doi.org/10.1017/s0373463302002163.

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A new navigation method, called a Line of Sight Counteraction Navigation (LOSCAN) algorithm has been introduced to aid manoeuvre decision making for collision avoidance based on a two-ship encounter. The LOSCAN algorithm is derived from an extension of the basic principle of traditional missile proportional navigation, recognising that the objective of the latter is target capture rather than target avoidance. The basic concept is to derive an acceleration command so as to increase the misalignment between the ships' relative velocity and the line-of-sight. The algorithm includes a risk assess

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Frommer, Nicole, and Po Wen Cheng. "Sensitivity analysis of parameters impacting the performance of an energy ship using airborne wind energy." Journal of Physics: Conference Series 2767, no. 7 (2024): 072018. http://dx.doi.org/10.1088/1742-6596/2767/7/072018.

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Abstract This study assesses the impact of different model parameters on the power performance of energy ship systems using point-mass models, focusing on two operational modes. The first mode involves a kite operating in a pumping mode with adjustable tether lengths, aided by additional propellers for ship propulsion. It utilizes a quasi-steady kite model coupled with ship motion’s drag force and velocity triangles. The second mode features a kite pulling the ship, while underwater hydraulic turbines harness energy from ship velocity. Derived from a sail-based model, calculations deploy the f

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Hu, Yaohui, Ke Zhang, and Chao Xing. "Small and Dim Ship Target Detection Based on Sea-Sky-Line." Xibei Gongye Daxue Xuebao/Journal of Northwestern Polytechnical University 37, no. 1 (2019): 35–40. http://dx.doi.org/10.1051/jnwpu/20193710035.

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In order to solve the problem of small and dim ship target detection under complex sea-sky background, we propose a target detection algorithm based on sea-sky line detection. Firstly, the paper locates the sea-sky-line based on fully convolutional networks, through which target potential area can be determined and disturbance can be excluded. Then the method based on the mean of four detection gradient is adopted to detect the small and dim ship target. The simulation results show that the method of sea-sky-line detection based on fully convolutional networks can overcome the disadvantages of

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E. Lennert-Cody, Cleridy, Stephen Terrence Buckland, Tim Gerrodette, et al. "Review of potential line-transect methodologies for estimating abundance of dolphin stocks in the eastern tropical Pacific." J. Cetacean Res. Manage. 19, no. 1 (2023): 9–21. http://dx.doi.org/10.47536/jcrm.v19i1.411.

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A twelve-year hiatus in fishery-independent marine mammal surveys in the eastern tropical Pacific Ocean (ETP), combined with a mandate to monitor dolphin stock status under international agreements and the need for reliable stock status information to set dolphin bycatch limits in the tuna purse-seine fishery, has renewed debate about how best to assess and monitor ETP dolphin stock status. The high cost of replicating previous ship-based surveys has intensified this debate. In this review, transect methods for estimating animal abundance from dedicated research surveys are considered, with a

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39

Sutrisno, Sutrisno, Andi Mawanto, Wawan Kusdiana, and Cahya Kusuma. "DESIGN FREE SURFACE TANK ON FAST MISSILE BOAT 60M." JOURNAL ASRO 11, no. 2 (2020): 201. http://dx.doi.org/10.37875/asro.v11i2.283.

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Rolling motion is important role in the stability of the ship. Predicting the motion of a ship design must be done to see the design performance. The magnitude of the resulting motion response will affect the comfort and safety of personnel and materials in the ship. For this reason, simulation and analysis rolling and pitching prediction are carried out when the ship is operating, with and without the addition of a free surface tank (FST) as a stabilizer system with variations in the FST base height, water volume, boat velocity, heading direction and the waves. The prediction of ship motion i

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Kundori, K., Kholid Mawardi, Ali Khamdilah, Niken Devi Rosita, Renny Hermawati, and Mariana Kristiyanti. "Analysis of The Influence of Human and Technical Factors in Mooring ‎Rope Accidents in Ship Operations at The Ports of Indonesia." International Journal of Basic and Applied Sciences 14, no. 2 (2025): 241–46. https://doi.org/10.14419/04c6fb72.

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Ship mooring operations at the port are one of the critical activities on board a ship that ‎involves the use of mooring lines to secure the position of the ship while at the dock. This study ‎aims to identify various human and technical factors that contribute to mooring line accidents ‎during ship operations at the port, evaluating how effectively the safety management system ‎is implemented in Indonesian ports. This study uses a mixed-methods approach regarding the ‎influence of human and technical factors in mooring line accidents on ship operations at the port. ‎The study population inclu

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Dobrodeev, A. F., N. Y. Klementyeva, and K. E. Sazonov. "A skewed movement of large-size ships in “narrow” ice channel." Arctic and Antarctic Research 64, no. 2 (2018): 200–207. http://dx.doi.org/10.30758/0555-2648-2018-64-2-200-207.

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This work investigates a previously unknown phenomenon taking place when a large carrier ship moves in a channel made by an icebreaker narrower than the carrier ship. Usually, the studies of these movement conditions assumed the center line of the ship to coincide with the channel axis and the interaction of ship sides with channel edges to be symmetric. However, the observations made in Ice Basin and in real conditions have shown that in most of cases interaction of ship sides with channel edges is not symmetric. The ship moving in the channel breaks ice only with one of her sides, the other

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42

Luo, Jianmin, Lin Yang, Xiaojun Liu, Shupeng Wen, and Jingyu Zhang. "The Effects of Site-Directed Mutation of SHIP Gene On the Regulating Mechanisms of PI3K/Akt Signal Pathway in Human Leukemia Cell Line K562." Blood 114, no. 22 (2009): 5050. http://dx.doi.org/10.1182/blood.v114.22.5050.5050.

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Abstract Abstract 5050 Introduction SHIP is an SH2 domain containing inositol-5-phosphatasse that appears to be a negative regulator of hematopoiesis. Our previous researching works have first reported that SHIP gene was genetically altered in leukemia patients and proved that mutation of SHIP gene was closely correlated with the increased phosphorylation of Akt and poor prognosis of AML patients; SHIP gene is a key regulative gene in the PI3K/Akt pathway, and transfection with wild type SHIP gene into K562 cell line can inhibit the proliferation of K562. Up to now, however, there are no any r

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Ding, Jinhong, and Chongben Ni. "Gird Based Line Segment Detector and Application: Vision System for Autonomous Ship Small Assembly Line." Journal of Marine Science and Engineering 9, no. 11 (2021): 1313. http://dx.doi.org/10.3390/jmse9111313.

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The shipbuilding industry demands intelligent robot, which is capable of various tasks without laborious pre-teaching or programming. Vision system guided robots could be a solution for autonomous working. This paper introduces the principle and technique details of a vision system that guides welding robots in ship small assembly production. TOF sensors are employed to collect spatial points of workpieces. Huge data amount and complex topology bring great difficulty in the reconstruction of small assemblies. A new unsupervised line segment detector is proposed to reconstruct ship small assemb

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Khaled, Nassim, and Rami Alkhatib. "Novel Formulation for Line of Sight Guidance and Obstacle Avoidance for Under-actuated Ships." WSEAS TRANSACTIONS ON CIRCUITS AND SYSTEMS 20 (March 16, 2021): 1–9. http://dx.doi.org/10.37394/23201.2021.20.1.

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Abstract (sommario):

Automatic control of under-actuated ships is a challenging task due to the external factors and limited actuators onboard a ship. It is even more so when the controller needs to seamlessly integrate with a guidance system and obstacle avoidance for the purpose of autonimity. In this paper, line of sight guidance system for marine surface vessels is augmented to include obstacle avoidance. The process of directing the ship movement to avoid a stationary and moving obstacles is tackled by introducing an iterative mathematical formulation for the circle of avoidance algorithm. Unlike learning bas

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45

DEMIRCI, S. M. ESAD, and KADIR CICEK. "DEFICIENCY ANALYSIS IDENTIFIED IN PSC INSPECTIONS USING EVENT TREE ANALYSIS." Journal of Marine Technology and Environment 2022, no. 1 (2022): 40–46. http://dx.doi.org/10.53464/jmte.01.2022.05.

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In the study, PSC inspections data performed in Paris MoU between the years 2016 and 2020 were analysed with the purpose of providing reasonable decision supports for key stakeholders such as ship operators, national and international authorities, cargo owners and classification societies in terms of enhancing safety on board ship and minimizing sub-standard ships in maritime transport. The probabilistic analysis is conducted with the help of Event Tree Analysis (ETA) method on deficiency risk areas respect to the number of deficiencies in each area. In the analysis, the deficiency risk areas

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46

Żelazny, Katarzyna. "An Approximate Method for Calculation of Mean Statistical Value of Ship Service Speed on a Given Shipping Line , Useful in Preliminary Design Stage." Polish Maritime Research 22, no. 1 (2015): 28–35. http://dx.doi.org/10.1515/pomr-2015-0005.

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Abstract (sommario):

Abstract During ship design, its service speed is one of the crucial parameters which decide on future economic effects. As sufficiently exact calculation methods applicable to preliminary design stage are lacking the so called contract speed which a ship reaches in calm water is usually applied. In the paper [11] a parametric method for calculation of total ship resistance in actual weather conditions (wind, waves, sea current), was presented. This paper presents a parametric model of ship propulsion system (screw propeller - propulsion engine) as well as a calculation method, based on both m

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Hu, Cheng Jun, Yuan Zheng, and Han Bo Zhao. "Periodic Signal Detection in Ship Radiated Noise." Advanced Materials Research 1049-1050 (October 2014): 1577–80. http://dx.doi.org/10.4028/www.scientific.net/amr.1049-1050.1577.

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Abstract (sommario):

Periodic signal is abundant in ship radiated noise. Its detection is an important step towards active control of ship’s acoustic signature. Based on power spectrum analysis and DEMON analysis, an approach to detect line spectrum and modulation spectrum of ship radiated noise is proposed. Periodogram method is used for power spectrum estimation. The separation of line and continuous spectrum, false positive removal, and line spectrum merging are conducted to improve the quality of detected characteristic line spectrum. Via DEMON analysis, steady physical characteristics including propeller’s ro

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Wang, Liqian, Shuzhen Fan, Yunxia Liu, et al. "A Review of Methods for Ship Detection with Electro-Optical Images in Marine Environments." Journal of Marine Science and Engineering 9, no. 12 (2021): 1408. http://dx.doi.org/10.3390/jmse9121408.

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Abstract (sommario):

The ocean connects all continents and is an important space for human activities. Ship detection with electro-optical images has shown great potential due to the abundant imaging spectrum and, hence, strongly supports human activities in the ocean. A suitable imaging spectrum can obtain effective images in complex marine environments, which is the premise of ship detection. This paper provides an overview of ship detection methods with electro-optical images in marine environments. Ship detection methods with sea–sky backgrounds include traditional and deep learning methods. Traditional ship d

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49

Jiang, Xiaobin, Hongxiang Ren, Mingyang Wang, and Yingli Qu. "Simulation of Mooring Line Operation in Ship Mooring." Journal of The Institution of Engineers (India): Series C 102, no. 2 (2021): 439–46. http://dx.doi.org/10.1007/s40032-020-00647-7.

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50

Yulong Ma, Yuqing He, and Jianda Han. "Strait-line Tracking Control of Under-actuated Ship." International Journal of Advancements in Computing Technology 4, no. 17 (2012): 298–305. http://dx.doi.org/10.4156/ijact.vol4.issue17.35.

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