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1

Rahman, Md Hashibur, Mohammad Mahfujul Haque, Md Nasirul Islam, and Md Arifuzzaman. "Growth and production performance of tilapia (Oreochromis niloticus) in intensive and semi-intensive tank based aquaculture system using floating feed." International Journal of Fisheries and Aquatic Studies 9, no. 4 (July 1, 2021): 290–96. http://dx.doi.org/10.22271/fish.2021.v9.i4d.2546.

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2

Partridge, G. J., G. A. Sarre, B. M. Ginbey, G. D. Kay, and G. I. Jenkins. "Finfish production in a static, inland saline water body using a Semi-Intensive Floating Tank System (SIFTS)." Aquacultural Engineering 35, no. 2 (August 2006): 109–21. http://dx.doi.org/10.1016/j.aquaeng.2005.09.001.

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3

Pham, Thanh-Dam, and Hyunkyoung Shin. "The Effect of the Second-Order Wave Loads on Drift Motion of a Semi-Submersible Floating Offshore Wind Turbine." Journal of Marine Science and Engineering 8, no. 11 (October 30, 2020): 859. http://dx.doi.org/10.3390/jmse8110859.

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Floating offshore wind turbines (FOWTs) have been installed in Europe and Japan with relatively modern technology. The installation of floating wind farms in deep water is recommended because the wind speed is stronger and more stable. The design of the FOWT must ensure it is able to withstand complex environmental conditions including wind, wave, current, and performance of the wind turbine. It needs simulation tools with fully integrated hydrodynamic-servo-elastic modeling capabilities for the floating offshore wind turbines. Most of the numerical simulation approaches consider only first-or
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Walia, Daniel, Paul Schünemann, Hauke Hartmann, Frank Adam, and Jochen Großmann. "Numerical and Physical Modeling of a Tension-Leg Platform for Offshore Wind Turbines." Energies 14, no. 12 (June 15, 2021): 3554. http://dx.doi.org/10.3390/en14123554.

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In order to tap the world wide offshore wind resources above deep waters, cost efficient floating platforms are inevitable. Tension-Leg Platforms (TLPs) could enable that crucial cost reduction in floating wind due to their smaller size and lighter weight compared to spars and semi-submersibles. The continuous development of the GICON®-TLP is driven by computer-aided engineering. So-called aero-hydro-servo-elastic coupled simulations are state-of-the-art for predicting loads and simulating the global system behavior for floating offshore wind turbines. Considering the complexity of such simula
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Maslov, V. "Research of freak wave effect on a floating object in seakeeping tank." Transactions of the Krylov State Research Centre 3, no. 397 (August 6, 2021): 65–74. http://dx.doi.org/10.24937/2542-2324-2021-3-397-65-74.

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Object and purpose of research. This paper describes physical modeling of interaction process of abnormal wave (freak wave) with a marine floating structure in a seakeeping tank of the Krylov State Research Center. Freak wave is extremely dangerous because of the difference from wind waves by an unusually steep front slope and a gentle trough. Freak wave appears suddenly and collapses rapidly. Research of effect process features is necessary for understanding and analysis of the object behavior at extreme sea conditions. As experiment results it was necessary to obtain empirical data of sea ob
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Perdomo, S., C. Bangueses, and J. Fuentes. "Potential Use of Aquatic Macrophytes to Enhance the Treatment of Septic Tank Liquids." Water Science and Technology 40, no. 3 (August 1, 1999): 225–32. http://dx.doi.org/10.2166/wst.1999.0166.

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In several urban and suburban areas, the problem of the disposal and treatment of septic tank liquids has not been solved yet. This paper deals with the primary operational evaluation of a conventional system of ponds used at Tarariras, in the Department of Colonia, Uruguay, as well as the potential use of aquatic macrophytes to enhance such treatment. The conventional system was sampled over a period of approximately one month at the end of the summer in order to determine the main parameters. Groups of up to 20 samples were studied to determine the normal distributions. Correlation coefficie
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Fernandez, Hernan, Gregorio Iglesias, Rodrigo Carballo, Alberte Castro, Marcos Sánchez, and Francisco Taveira-Pinto. "OPTIMIZATION OF THE WAVECAT WAVE ENERGY CONVERTER." Coastal Engineering Proceedings 1, no. 33 (October 9, 2012): 5. http://dx.doi.org/10.9753/icce.v33.structures.5.

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The development of efficient, reliable Wave Energy Converters (WECs) is a prerequisite for wave energy to become a commercially viable energy source. Intensive research is currently under way on a number of WECs, among which WaveCat©—a new WEC recently patented by the University of Santiago de Compostela. In this sense, this paper describes the WaveCat concept and its ongoing development and optimization. WaveCat is a floating WEC intended for operation in intermediate water depths (50–100 m). Like a catamaran, it consists of two hulls—from which it derives its name. The difference with a conv
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8

Kasapidou, Eleni, Zoitsa Basdagianni, Vasileios Papadopoulos, Chrysoula Karaiskou, Anastasios Kesidis, and Arsenios Tsiotsias. "Effects of Intensive and Semi-Intensive Production on Sheep Milk Chemical Composition, Physicochemical Characteristics, Fatty Acid Profile, and Nutritional Indices." Animals 11, no. 9 (September 2, 2021): 2578. http://dx.doi.org/10.3390/ani11092578.

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Dairy sheep farming is a vital sector of the agricultural economy in Greece. Information on the effect of the farming system on sheep milk characteristics is critical for producing dairy products with improved nutritional value according to the current guidelines for healthy food consumption. This study aimed to investigate the basic composition, physicochemical characteristics, fatty acid composition, and nutritional indices of milk produced in intensive and semi-intensive sheep farms. Bulk tank milk samples from 20 intensive and 20 semi-intensive sheep farms were examined. Sheep in the inten
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9

Radosavljević, Vladimir, Miroslav Ćirković, Dragana Ljubojević, Dobrila Jakić Dimić, Zoran Marković, Jadranka Žutić, and Vesna Milićević. "SEARCHING FOR SOLUTIONS IN AQUACULTURE: AQUAPONICS." Archives of Veterinary Medicine 7, no. 2 (January 21, 2015): 71–78. http://dx.doi.org/10.46784/e-avm.v7i2.132.

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Aquaponic production combines intensive production with waste recycling and water conservation. Aquaponic join recirculating aquaculture with hydroponics to use nutrient waste from aquaculture as an input to plant growth. Traditional aquaculture systems treat or dispose nutrient-rich wastewater. In aquaponics, the waste products from the fish are converted by a bio-fi lter into soluble nutrients which are absorbed by the plants, and allow “clean” water to be returned back to the fish. Thus, it produces valuable fish protein with a minimal pollution of fresh water resources, while at the same t
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10

Wang, Zhen Peng, Ya Ge You, Ya Qun Zhang, Song Wei Sheng, and Hong Jun Lin. "Design and Hydrodynamic Performance Testing of One-Base Multi-Buoy Floating Sharp Eagle Wave Energy Converter." Advanced Materials Research 1092-1093 (March 2015): 152–57. http://dx.doi.org/10.4028/www.scientific.net/amr.1092-1093.152.

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Research on wave energy extraction has been conducted in many countries to meet the growing demand for clean energy. To find an efficient and economic way to convert wave energy, an one-base multi-buoy offshore floating Sharp Eagle wave energy converter is designed, consisting of four Eagle head absorbing buoys, one semi-submersible barge, one energy conversion system, buoyancy tanks, underwater appendages and other components. The working principle of the device is described in this paper. To test the hydrodynamic performance of device and make an initial evaluation for the design, a model ex
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11

Borges, Aurélio Ferreira, Anderson Alves Santos, José Luiz Pereira de Rezende, Maria dos Anjos Cunha Silva Borges, Abílio da Paixão Ciríaco, and Thaís Muniz Ottoni Santiago. "Environmental performance of aquaculture in Rondônia state, Brazil." Revista Ceres 62, no. 2 (April 2015): 208–14. http://dx.doi.org/10.1590/0034-737x201562020011.

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The objective of this study was to analyze the environmental performance of aquaculture in the city of Colorado do Oeste, Rondônia State, Brazil. Fifteen fish farmers were interviewed. For data collection, structured interviews were carried out, using a questionnaire based on information supplied by the United Nations Food and Agriculture Organization (FAO). The questionnaire considered 12 items, organized into three main topics: a) social and legal standards b) environmental standards c) standards of food safety and hygiene. The questionnaire considered 12 items, organized into three main top
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12

Pasch, Johannes, Samuel Appelbaum, Harry Wilhelm Palm, and Ulrich Knaus. "Growth of Basil (Ocimum basilicum) in Aeroponics, DRF, and Raft Systems with Effluents of African Catfish (Clarias gariepinus) in Decoupled Aquaponics (s.s.)." AgriEngineering 3, no. 3 (July 15, 2021): 559–74. http://dx.doi.org/10.3390/agriengineering3030036.

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Basil (Ocimum basilicum) was cultivated in three hydroponic subsystems (i) a modified commercial aeroponics, (ii) a dynamic root floating (DRF) system, and (iii) a floating raft system in a decoupled aquaponic system in Northern Germany, Mecklenburg–Western Pomerania. For plant nutrition, aquaculture process water from intensive rearing of African catfish (Clarias gariepinus) was used without fertilizer. After 39 days, 16 plant growth parameters were compared, with aeroponics performing significantly better in 11 parameters compared with the DRF, and better compared with the raft in 13 paramet
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13

Delille, D., and N. Vaillant. "The influence of crude oil on the growth of subantarctic marine bacteria." Antarctic Science 2, no. 2 (June 1990): 123–27. http://dx.doi.org/10.1017/s0954102090000153.

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The short term degradation of ‘Arabian light’ crude oil was followed under various seasonal conditions in coastal seawater at Iles Kerguelen. Artificial degradation experiments were carried out in 3 m3 tanks. In situ experiments were conducted in free-floating, semi-enclosed chambers permitting direct contact between the crude oil and the marine environment. Daily sampling allowed a regular survey of the bacterial changes of the oil contaminated seawater. All samples were analysed for total bacteria, heterotrophic viable microflora and hydrocarbon utilizing microflora. At the end of experiment
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14

Tacon, A. G. J., M. J. Phillips, and U. C. Barg. "Aquaculture feeds and the environment: the asian experience." Water Science and Technology 31, no. 10 (May 1, 1995): 41–59. http://dx.doi.org/10.2166/wst.1995.0363.

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Asia, the birth place of aquaculture, supplies 85% of global aquaculture production and has had a long tradition in the development and use of different dietary feeding strategies, ranging from the use of fertilizers and simple supplementary feed mixtures to the manufacture of ‘water-stable’ pelleted shrimp feeds. The present paper reviews the different aquaculture feeding strategies used within semi-intensive and intensive farming systems in selected Asian countries, and in particular examines their relative impacts upon the aquatic environment. Emphasis is placed on the environmental compati
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15

Abyn, Hassan, Adi Maimun, Jaswar Jaswar, M. Rafiqul Islam, Allan Magee, Behnam Bodaghi, Mohamad Pauzi, C. L. Siow, and M. Mobassher Tofa. "Hydrodynamic Interaction of Floating Structure in Regular Waves." Jurnal Teknologi 66, no. 2 (January 1, 2014). http://dx.doi.org/10.11113/jt.v66.2491.

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Floating structures play an important role for exploring the oil and gas from the sea. In loading and offloading, motion responses of offshore floating structures are affected through hydrodynamic interaction. Large motions between floating bodies would cause the damage of moorings, offloading system and may colloid to each other. This research studies on hydrodynamic interaction between Tension Leg Platform (TLP) and Semi-Submersible (Tender Assisted Drilling (TAD)) in regular and irregular waves with scenario as follows: fixed TLP and 6-DOF floating semi-submersible and 6-DOF both TLP and se
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16

Rahman, Md Hashibur, and Md Arifuzzaman. "IMPACT OF FLOATING FEED ON GROWTH PERFORMANCE, YIELD AND SURVIVAL OF ROHU (LABEO ROHITA) AND TILAPIA (OREOCHROMIS NILOTICUS) IN TANK BASED INTENSIVE AQUACULTURE SYSTEM." International Journal Biological Innovations 03, no. 02 (2021). http://dx.doi.org/10.46505/ijbi.2021.3208.

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17

Gonçalves, Rodolfo Trentin, Shinichiro Hirabayashi, Guilherme Vaz, and Hideyuki Suzuki. "Force Measurements of the Flow Around Arrays of Three and Four Columns With Different Geometry Sections, Spacing Ratios, and Incidence Angles." Journal of Offshore Mechanics and Arctic Engineering 142, no. 2 (November 16, 2019). http://dx.doi.org/10.1115/1.4045212.

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Abstract An experimental campaign for the flow around a stationary array of three and four columns with low aspect ratio, H/L = 1.5, piercing the water free surface, was carried out in a towing tank. These numbers of columns correspond to typical multi-column offshore systems, such as semi-submersibles (SS), tension leg platforms (TLPs), and floating offshore wind turbines (FOWTs). Three parameters were investigated: the spacing ratio between column centers (from two up to four characteristic lengths), current incidence angles, and column section geometries (circular, square, and diamond). The
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18

Rahman, Md Hashibur, and Md Nasirul Islam. "Sinking Feed Efficiency in Growth Performance, Feed Conversion Ratio (FCR) and Yield of Tilapia (Oreochromis niloticus) at Different Stocking Densities." Asian Journal of Fisheries and Aquatic Research, September 14, 2021, 1–26. http://dx.doi.org/10.9734/ajfar/2021/v14i530305.

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The efficiency of feed is considered as one of the most crucial factors that affects the growth performance, feed conversion ratio and yield as well. The study was aimed to compare the growth parameters of tilapia at different stocking densities to detect the efficiency of sinking feed assessing the growth trends at various sampling stages. To evaluate the comparative yield, the study was carried out in twelve concrete tanks under an outdoor laboratory shed. Tilapia (Oreochromis niloticus) fry was released at the rate of 8 fry per tank as per the recommended stocking density of 320 fishes/deci
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19

Zhao, Yuliang, and Sheng Dong. "Long-term extreme response analysis for semi-submersible platform mooring systems." Proceedings of the Institution of Mechanical Engineers, Part M: Journal of Engineering for the Maritime Environment, December 7, 2020, 147509022097651. http://dx.doi.org/10.1177/1475090220976515.

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The accurate assessment of long-term extreme responses of floating-structure mooring system designs is important because of small failure probabilities caused by long-term and complex ocean conditions. The most accurate assessment would involve considering all conceivable sea states in which each sea state is regarded as a stochastic process and performing nonlinear time-domain numerical simulations of mooring systems to estimate the extreme response from a long-term analysis. This procedure would be computationally intensive because of the numerous short-term sea states involved. Here, a more
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20

Wolff Ferreira, Milena, Ricardo Martins Santos, Alanderson Rodrigues da Silva, Sarah Saory Makimoto, Guilherme Ribeiro Capibaribe Barbosa, and Gisele Braziliano de Andrade. "Mortality in Pacus (Piaractusmesopotamicus) caused by Pantoeaagglomerans and Pseudomonas aeruginosa in Excavated Tank." Acta Scientiae Veterinariae 47 (March 20, 2019). http://dx.doi.org/10.22456/1679-9216.90826.

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Background:Fish production in Brazil is growing strongly. This growth is being mainly driven by mainland aquaculture, which in 2017 produced 691.700 tons of fish. Toimprove production levels, fish farms have become increasingly intensive, but in these systems, the high fish densities in the ponds, the high feeding rate, and the high organic matter levels in the water can lead the fish becoming stressed. This can cause bacterial proliferationand an increase in mortality. Most species of fish-causing bacteria are saprophytes. They are found naturally in the environment and are usually responsibl
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