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Autore: Grafiati

Pubblicato: 7 luglio 2024

Ultima modifica: 7 luglio 2024

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1

Meylahn, Fabian, e Benno Willke. "Characterization of Laser Systems at 1550 nm Wavelength for Future Gravitational Wave Detectors". Instruments 6, n. 1 (6 marzo 2022): 15. http://dx.doi.org/10.3390/instruments6010015.

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The continuous improvement of current gravitational wave detectors (GWDs) and the preparations for next generation GWDs place high demands on their stabilized laser sources. Some of the laser sources need to operate at laser wavelengths between 1.5 μm and 2.2 μm to support future detectors based on cooled silicon test masses for thermal noise reduction. We present detailed characterizations of different commercial low power seed laser sources and power amplifiers at the wavelength of 1550 nm with respect to performance parameters needed in GWDs. A combination with the most complete set of actuators was arranged as a master-oscillator power amplifier (MOPA), integrated into a stabilization environment and characterized. We present the results of this characterization that make this stabilized MOPA a highly relevant prototype for future GWDs as well as a low noise light source for other experiments in high precision metrology.

2

Kozlyakov, Mikhail, Andrey Petrov e Grigoriy Mikhailovskiy. "Widely Tunable Pulse Duration 100 mJ Single-Mode MOPA System Based on Yb-Doped Tapered Double-Clad Fiber and Nd:YAG Solid-State Amplifiers". Photonics 11, n. 1 (17 gennaio 2024): 84. http://dx.doi.org/10.3390/photonics11010084.

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We report on a 1064 nm master oscillator power amplifier (MOPA) system based on pulse-modulated laser diode seed sources combined with fiber preamplifiers and a Yb-doped tapered double-clad fiber (T-DCF) amplifier used as an all-fiber master oscillator and a two-stage side-pumped solid-state power amplifier. The combination of two master oscillators and a single power amplifier allowed us to obtain pulses with a duration ranging from 10 ns to 10 μs with energy up to 137 mJ at 100 Hz. For the first time, we demonstrate a widely tunable pulse duration and a solid-state MOPA system with over 100 mJ energy based on a T-DCF fiber seed laser.

3

LIU, ZHENLIN, NOBUHIKO SARUKURA, MARK A. DUBINSKII, R. YU ABDULSABIROV e S. L. KORABLEVA. "ALL-SOLID-STATE SUBNANOSECOND TUNABLE ULTRAVIOLET LASER SOURCES BASED ON Ce3+-ACTIVATED FLUORIDE CRYSTALS". Journal of Nonlinear Optical Physics & Materials 08, n. 01 (marzo 1999): 41–54. http://dx.doi.org/10.1142/s0218863599000047.

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Several practical all-solid-state tunable ultraviolet subnanosecond laser sources have been developed based on Ce 3+: LiLuF 4 (Ce:LLF) and Ce 3+: LiCaAlF 6 (Ce:LiCAF) active media pumped by the fifth and fourth harmonics of a regular Q-switched 10-ns Nd:YAG laser, respectively. The demonstrated tuning range of the Ce:LiCAF oscillator providing reproducibly-single-pulse output was 282 nm to 314 nm with the maximum output energy of 1 mJ. Tunable laser output from 223 nm to 232 nm was obtained by sum-frequency-mixing Ce:LiCAF laser output with fundamental output of a Q-sw Nd:YAG laser. The maximum subnanosecond Ce:LiCAF single-pulse output of 14 mJ was obtained in a "master oscillator-power amplifier" (MOPA) configuration.

4

Barone, Ilaria, Jacopo Boaga, Alberto Carrera, Adrian Flores-Orozco e Giorgio Cassiani. "Tackling Lateral Variability Using Surface Waves: A Tomography-Like Approach". Surveys in Geophysics 42, n. 2 (9 febbraio 2021): 317–38. http://dx.doi.org/10.1007/s10712-021-09631-x.

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AbstractLateral velocity variations in the near-surface reflect the presence of buried geological or anthropic structures, and their identification is of interest for many fields of application. Surface wave tomography (SWT) is a powerful technique for detecting both smooth and sharp lateral velocity variations at very different scales. A surface-wave inversion scheme derived from SWT is here applied to a 2-D active seismic dataset to characterize the shape of an urban waste deposit in an old landfill, located 15 km South of Vienna (Austria). First, the tomography-derived inverse problem for the 2-D case is defined: under the assumption of straight rays at the surface connecting sources and receivers, the forward problem for one frequency reduces to a linear relationship between observed phase differences at adjacent receivers and wavenumbers (from which phase velocities are straightforwardly derived). A norm damping regularization constraint is applied to ensure a smooth solution in space: the choice of the damping parameter is made through a minimization process, by which only phase variations of the order of the average wavelength are modelled. The inverse problem is solved for each frequency with a weighted least-squares approach, to take into account the data error variances. An independent multi-offset phase analysis (MOPA) is performed using the same dataset, for comparison: pseudo-sections from the tomography-derived linear inversion and MOPA are very consistent, with the former giving a more continuous result both in space and frequency and less artefacts. Local dispersion curves are finally depth inverted and a quasi-2-D shear wave velocity section is retrieved: we identify a well-defined low velocity zone and interpret it as the urban waste deposit body. Results are consistent with both electrical and electromagnetic measurements acquired on the same line.

5

Volkov, Sergei, Nikolai Zaitsev, Sun-Ho Park, Duk-Hyeon Kim e Young-Min Noh. "Fiber Lidar for Control of the Ecological State of the Atmosphere". Atmosphere 15, n. 6 (18 giugno 2024): 729. http://dx.doi.org/10.3390/atmos15060729.

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Methods and means of remote control of the ecological state of the atmosphere are constantly improving. Lidar sensing allows obtaining up-to-date information about natural and technogenic sources of atmospheric pollution. There is a wide range of problems in ecological control, where the deployment of an inexpensive mobile lidar network is required. For this purpose, it is suggested to use Q-switch and MOPA fiber lasers in lidars. Q-switch fiber lasers have a simpler design and are more practical to use. However, pulses from Q-switch lasers have long full-pulse durations. In the present work, a lidar signal inversion method (LSIM) is proposed for solving this problem. Verification and outdoor experimentation of the LSIM was carried out with the reference signal method (RSM). The advantage of the proposed RSM is the minimum number of controllable parameters necessary for LSIM verification and approbation. As a result, the accuracy of the obtained results increased. Thus, the possibility of application of the Q-switch fiber lasers for lidar sensing is shown both theoretically and experimentally.

6

Xiaogang Ge, Xiaogang Ge, Jun Yu Jun Yu, Weiqi Liu Weiqi Liu, Shuangchen Ruan Shuangchen Ruan, Chunyu Guo Chunyu Guo, Yewang Chen Yewang Chen, Peiguang Yan Peiguang Yan e Ping Hua Ping Hua. "High-power all-fiber 1.0/1.5 μm dual-band pulsed MOPA source". Chinese Optics Letters 16, n. 2 (2018): 020010. http://dx.doi.org/10.3788/col201816.020010.

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7

Malinowski, A., D. Lin, S. U. Alam, Z. Zhang, M. Ibsen, J. Young, P. Wright et al. "Fiber MOPA based tunable source for terahertz spectroscopy". Laser Physics Letters 9, n. 5 (1 maggio 2012): 350–54. http://dx.doi.org/10.7452/lapl.201110143.

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8

Xu, Jiangming, Liangjin Huang, Jinyong Leng, Hu Xiao, Shaofeng Guo, Pu Zhou e Jinbao Chen. "101 kW superfluorescent source in all-fiberized MOPA configuration". Optics Express 23, n. 5 (23 febbraio 2015): 5485. http://dx.doi.org/10.1364/oe.23.005485.

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9

Zhu, Ren, Juntao Wang, Jun Zhou, Jiqiao Liu e Weibiao Chen. "Single-frequency pulsed laser source with hybrid MOPA configuration". Applied Optics 51, n. 17 (7 giugno 2012): 3826. http://dx.doi.org/10.1364/ao.51.003826.

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10

Chen, Kang Kang, Shaif-ul Alam, Jonathan H. V. Price, John R. Hayes, Dejiao Lin, Andrew Malinowski, Christophe Codemard et al. "Picosecond fiber MOPA pumped supercontinuum source with 39 W output power". Optics Express 18, n. 6 (2 marzo 2010): 5426. http://dx.doi.org/10.1364/oe.18.005426.

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D. B. S. Soh, C. Codemard, S. Wang, J. Nilsson, J. K. Sahu, F. Laurell, V. Philippov, Y. Jeong, C. Alegria e S. Baek. "A 980-nm Yb-Doped Fiber MOPA Source and Its Frequency Doubling". IEEE Photonics Technology Letters 16, n. 4 (aprile 2004): 1032–34. http://dx.doi.org/10.1109/lpt.2004.824952.

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12

Rocha, Ricardo Oliveira, e Marcelo Rubio. "Alphaville: where dwells the creative process?" Manuscrítica: Revista de Crítica Genética, n. 52 (29 giugno 2024): 28–40. http://dx.doi.org/10.11606/issn.2596-2477.i52p28-40.

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The Nouvelle Vague is one of the most influential film movements of the 20th century. Moving away from surrealism, the films of the French Nouvelle Vague sought to embrace socially relevant themes. Jean-Luc Godard emerged as an important figure in this movement due to his experimental approach to filmmaking, evident in works such as À Bout de Souffle (1960) and Le Mépris (1963), which reached its apex with Alphaville (1965), his most famous work. This article investigates Godard's experimental and wandering creative process in the conception of Alphaville, exploring the poetic operation of Godardian creation and establishing a dialog between various sources of inspiration.

13

Samson, Alice V. M., e Jago Cooper. "History on Mona Island". New West Indian Guide 89, n. 1-2 (2015): 30–60. http://dx.doi.org/10.1163/22134360-08901054.

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The history of Mona Island and her transitory and permanent communities provides an interesting perspective on the role this small island has played over the long-term in spheres of maritime interaction in the Caribbean and further afield. In particular, we examine the role that the extraordinary cave systems have played in attracting people to the island and into the subterranean realm within. Through a recent study of the extant historical sources and archaeological evidence for past human activity on the island, we trace this historical landscape and seascape in order to review the importance of Mona in wider regional dynamics through time.

14

Fan, Yuqing, Jing Liu, Chuanpeng Qian, Wenfang Lin, Mengyao Fan, Ting Yu, Xiangchun Shi e Xisheng Ye. "A 71 mJ, 300 Hz mid-infrared source based on ZnGeP2 MOPA system". Infrared Physics & Technology 139 (giugno 2024): 105307. http://dx.doi.org/10.1016/j.infrared.2024.105307.

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15

Khan, Ihtisham Ullah, Dr Gul Rukh e Mian Farhan Ullah. "A multi-objective strategy for cost-effective microgrid solutions based on renewable energy sources". International Conference on Applied Engineering and Natural Sciences 1, n. 1 (22 luglio 2023): 1057–61. http://dx.doi.org/10.59287/icaens.1128.

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With the rapid urbanization and increasing energy demands, microgrids are recognizing renewable energy sources (RESs) as a valuable power generation option. However, efficiently managing the energy cost poses a significant challenge in integrating RESs with microgrids. To address this challenge, this study presents a novel approach utilizing a cost-effective multi-objective genetic algorithm (MOGA) to optimize power allocation among diverse generation units within the microgrid. The proposed MOGA algorithm aims to minimize generation costs by efficiently distributing the generated power from different sources in the microgrid vs the CO2 emission. By leveraging the genetic algorithm population, MOGA generates a diverse set of non-dominated solutions. Simulation results demonstrate the effectiveness of the proposed approach in reducing the cost of RESs in microgrids, surpassing the performance of other multi-objective optimization methods such as multi-objective particle swarm (MOPSO) and multi-objective wind-driven optimization (MOWDO).

16

Ullah, Kalim, Sajjad Ali, Taimoor Ahmad Khan, Imran Khan, Sadaqat Jan, Ibrar Ali Shah e Ghulam Hafeez. "An Optimal Energy Optimization Strategy for Smart Grid Integrated with Renewable Energy Sources and Demand Response Programs". Energies 13, n. 21 (2 novembre 2020): 5718. http://dx.doi.org/10.3390/en13215718.

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An energy optimization strategy is proposed to minimize operation cost and carbon emission with and without demand response programs (DRPs) in the smart grid (SG) integrated with renewable energy sources (RESs). To achieve optimized results, probability density function (PDF) is proposed to predict the behavior of wind and solar energy sources. To overcome uncertainty in power produced by wind and solar RESs, DRPs are proposed with the involvement of residential, commercial, and industrial consumers. In this model, to execute DRPs, we introduced incentive-based payment as price offered packages. Simulations are divided into three steps for optimization of operation cost and carbon emission: (i) solving optimization problem using multi-objective genetic algorithm (MOGA), (ii) optimization of operating cost and carbon emission without DRPs, and (iii) optimization of operating cost and carbon emission with DRPs. To endorse the applicability of the proposed optimization model based on MOGA, a smart sample grid is employed serving residential, commercial, and industrial consumers. In addition, the proposed optimization model based on MOGA is compared to the existing model based on multi-objective particle swarm optimization (MOPSO) algorithm in terms of operation cost and carbon emission. The proposed optimization model based on MOGA outperforms the existing model based on the MOPSO algorithm in terms of operation cost and carbon emission. Experimental results show that the operation cost and carbon emission are reduced by 24% and 28% through MOGA with and without the participation of DRPs, respectively.

17

Noguchi, Taiji, Ippei Nojima, Tomoe Inoue-Hirakawa e Hideshi Sugiura. "The Association between Social Support Sources and Cognitive Function among Community-Dwelling Older Adults: A One-Year Prospective Study". International Journal of Environmental Research and Public Health 16, n. 21 (31 ottobre 2019): 4228. http://dx.doi.org/10.3390/ijerph16214228.

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There is evidence that social relationships may modify cognitive decline in older people. We examined the prospective association between social support and cognitive function among community-dwelling older people. Japanese adults recruited at health checkups in suburban towns were surveyed at baseline and one-year follow-up. Cognitive function was assessed using the Montreal Cognitive Assessment, Japanese version (MoCA-J). Social support from coresiding family, non-coresiding family, and neighbors/friends was assessed using self-administered questionnaires. Multivariable linear regression analysis was conducted to examine the effects of social support on MoCA-J scores at follow-up. Data were analyzed from 121 older people (mean age (standard deviation): 73.86 (4.95) years). There was a positive association between social support exchanges with neighbors and friends and MoCA-J scores at follow-up after covariate adjustment (unstandardized β = 1.23, p = 0.006). Social support exchanges with coresiding family and non-coresiding family and relatives were not associated with MoCA-J scores at follow-up (coresiding family: Unstandardized β = 0.28, p = 0.813, non-coresiding family and relatives: Unstandardized β = 0.51, p = 0.238). The provision of emotional support to neighbors and friends had the largest effect on MoCA-J scores. Our findings suggest that social support exchanges with neighbors and friends are protective against cognitive decline.

18

Ningsih, Neng Cahya, e Gary Gibran Amnesty. "Bibliometric Analysis Toxicity Levels of MOBA Game Players Among Students and the General Public". West Science Interdisciplinary Studies 2, n. 01 (25 gennaio 2024): 44–52. http://dx.doi.org/10.58812/wsis.v2i01.538.

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Multiplayer Online Battle Arena (MOBA) games have become a global phenomenon in the gaming industry. This article aims to examine the evolution, impact, and social aspects of MOBA games. We analyzed various literature sources, including scientific journals, articles, and research reports relevant to the keyword "MOBA." In our analysis, we see the development of MOBA games from their beginnings as modified real-time strategy (RTS) games to become a very popular standalone game genre. We also investigated the influence of MOBA games on mental health, social behavior, and addiction rates among players. Abstract P-ISSN: 2302-8734 Abstract Additionally, we explore social aspects such as communication within teams, development of collaborative skills, and learning related to MOBA gaming. Our research results show that MOBA games have a significant impact on players, both positive and negative. In a positive aspect, this game can improve social skills, strategic thinking skills, and team coordination. http://jurnal.umt.ac.id/index.php/jt/index E-ISSN: 2581-0006 Multiplayer Online Battle Arena (MOBA) games have become a global phenomenon in the gaming industry. This article aims to examine the evolution, impact, and social aspects of MOBA games. We analyzed various literature sources, including scientific journals, articles, and research reports relevant to the keyword "MOBA." In our analysis, we see the development of MOBA games from their beginnings as modified real-time strategy (RTS) games to become a very popular standalone game genre. We also investigated the influence of MOBA games on mental health, social behavior, and addiction rates among players. Additionally, we explore social aspects such as communication within teams, development of collaborative skills, and learning related to MOBA gaming. Our research results show that MOBA games have a significant impact on players, both positive and negative. In a positive aspect, this game can improve social skills, strategic thinking skills, and team coordination. However, there is also a risk of high levels of addiction and mental health disorders associated with excessive use. This research provides in-depth insight into the MOBA gaming phenomenon and the importance of understanding social aspects and their impact. However, there is also a risk of high levels of addiction and mental health disorders associated with excessive use. This research provides in-depth insight into the MOBA gaming phenomenon and the importance of understanding social aspects and their impact. Keywords: Bibliometric, Online Games, MOBA, Toxicity, Student.

19

Musha, Mitsuru, Jun-ichi Miura, Ken'ichi Nakagawa e Ken-ichi Ueda. "Developments of a fibre-MOPA system for the light source of the gravitational wave antenna". Classical and Quantum Gravity 23, n. 8 (29 marzo 2006): S287—S292. http://dx.doi.org/10.1088/0264-9381/23/8/s36.

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20

Sobon, G., P. Kaczmarek, A. Antonczak, J. Sotor, A. Waz e K. M. Abramski. "Pulsed dual-stage fiber MOPA source operating at 1550 nm with arbitrarily shaped output pulses". Applied Physics B 105, n. 4 (11 ottobre 2011): 721–27. http://dx.doi.org/10.1007/s00340-011-4741-7.

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21

Ojeda-Castañeda, J., e A. Pons. "Quasihomogeneous sources with longitudinal periodicity". Microwave and Optical Technology Letters 1, n. 3 (maggio 1988): 87–90. http://dx.doi.org/10.1002/mop.4650010303.

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22

Li, Xin, e Yanjun Fang. "Dynamic Environmental/Economic Scheduling for Microgrid Using Improved MOEA/D-M2M". Mathematical Problems in Engineering 2016 (2016): 1–14. http://dx.doi.org/10.1155/2016/2167153.

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The environmental/economic dynamic scheduling for microgrids (MGs) is a complex multiobjective optimization problem, which usually has dynamic system parameters and constraints. In this paper, a biobjective optimization model of MG scheduling is established. And various types of microsources (like the conventional sources, various types of renewable sources, etc.), electricity markets, and dynamic constraints are considered. A recently proposed MOEA/D-M2M framework is improved (I-MOEA/D-M2M) to solve the real-world MG scheduling problems. In order to deal with the constraints, the processes of solutions sorting and selecting in the original MOEA/D-M2M are revised. In addition, a self-adaptive decomposition strategy and a modified allocation method of individuals are introduced to enhance the capability of dealing with uncertainties, as well as reduce unnecessary computational work in practice and meet the time requirements for the dynamic optimization tasks. Thereafter, the proposed I-MOEA/D-M2M is applied to the independent MG scheduling problems, taking into account the load demand variation and the electricity price changes. The simulation results by MATLAB show that the proposed method can achieve better distributed fronts in much less running time than the typical multiobjective evolutionary algorithms (MOEAs) like the improved strength Pareto evolutionary algorithm (SPEA2) and the nondominated sorting genetic algorithm II (NSGAII). Finally, I-MOEA/D-M2M is used to solve a 24-hour MG dynamic operation scheduling problem and obtains satisfactory results.

23

Nilla, Saima Sharif, Md Anisur Rahman Khan, Md Mahmudur Rahman Khan, Dewan Ali Ahsan e Md Ghulam Mustafa. "Bacteriological Quality of Marketed Mola Fish, Amblypharyngodon Mola From Dhaka Metropolis". Bangladesh Journal of Zoology 40, n. 1 (9 dicembre 2012): 77–88. http://dx.doi.org/10.3329/bjz.v40i1.12897.

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The bacteriological quality of mola fish (Amblypharyngodon mola) from three local fish markets as fresh and as frozen from three departmental chain shops of Dhaka metropolis were analyzed. The microbial quality parameters varied with different sources and the quality was found to be poor for local market fish samples. In total 24 samples were considered for bacteriological quality analysis and 10 pathogenic isolates for antibiotic sensitivity test to 12 antibiotics. The total bacterial count ranged from 1.8 ± 0.25×104 to 6.5 ± 0.75 × 106 cfu/g for fresh and 5.5 ± 0.55 × 103 to 7.0 ± 0.80 × 105 cfu/g for frozen mola. The highest total coliform count of mola was 8.0 ± 0.55 × 104 and 6.1 ± 0.40 × 103 cfu/g for local market and departmental chain shop, respectively. All fresh and frozen samples were observed having high quantity of E. coli above 102 cfu/g. Furthermore, Salmonella-Shigella was identified in 67% samples (75% of fresh and 58% of frozen samples) varied from 0.9 ± 0.00 ×102 to 5.3 ± 0.30 × 103 cfu/g whereas Vibrio spp.was confirmed in 79% samples (83% of fresh and 75% of frozen samples) of which 90% samples exceeded 102 cfu/g. Similar pattern was observed in Staphylococcus spp. with 83% of fresh and 58% of frozen samples (63% of total samples) beyond 103 cfu/g. In case of antibiotic sensitivity pattern of the indicator and pathogenic isolates, all of them were resistant to amoxicillin and penicillin. Most of the isolates were sensitive to bacitracin, ciprofloxacin, erythromycin and streptomycin. The findings proved that mola fish under this study was more or less contaminated and local fish market samples were highly privileged with food borne pathogens which confirmed the unhygienic condition of the market as well as the presence of antibiotic resistance bacteria in mola fish may threat to public health safety. DOI: http://dx.doi.org/10.3329/bjz.v40i1.12897 Bangladesh J. Zool. 40(1): 77-88, 2012

24

He, Jing, Di Lin, Lin Xu, Martynas Beresna, Michalis N. Zervas, Shaif-ul Alam e Gilberto Brambilla. "High-Peak-Power Tunable Source at 550 nm From a Frequency-Doubled Yb-Doped Fiber MOPA". IEEE Photonics Technology Letters 31, n. 10 (15 maggio 2019): 727–30. http://dx.doi.org/10.1109/lpt.2019.2903026.

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Kean, Cheryl, Godfrey Walker, Maureen Kerr-Campbell e Faith Mckoy-Johnson. "Students’ choice and evaluation of information sources at the University of the West Indies, Mona Campus". New Library World 117, n. 3/4 (14 marzo 2016): 279–88. http://dx.doi.org/10.1108/nlw-10-2015-0074.

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Purpose – This paper aims to investigate the kinds of resources used by students at the University of the West Indies Mona Campus, to start their research and to find out their perception of the quality of the resources they use. Design/methodology/approach – A survey was distributed manually to undergraduates, and the responses were collated and analysed using Excel software. Findings – The findings revealed that Google was the resource most likely to be used by respondents to start their research, and the resource least used was the librarian (ask a librarian). Originality/value – This represents original research for the Mona Campus. It is important in helping the library to understand an aspect of the research habits and preferences of the undergraduate community it serves and will help the library in further decision-making, as it seeks to build awareness among the undergraduate population, of the library resources available to them.

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Wang, Kaifeng, Xiao Li, Peng Wang, Weihong Hua, Zefeng Wang e Kai Han. "Broadband, Continuous-Wave, Mid-Infrared Generation Based on ASE Fiber Source". Photonics 9, n. 10 (5 ottobre 2022): 724. http://dx.doi.org/10.3390/photonics9100724.

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The research reports broadband, continuous-wave (CW), mid-infrared generation based on an optical parametric oscillator (OPO), pumped by an amplified spontaneous emission (ASE) fiber source. The ASE fiber source has a ytterbium (Yb)-doped fiber master oscillator power amplifier (MOPA) structure. By injecting another fiber laser with high power and a narrow linewidth into the nonlinear crystal, the phase-matching difference frequency generation (DFG) can be realized at a low pumping threshold. It is shown that during the down-conversion of the ASE fiber source, the intracavity DFG can steadily and effectively generate a broadband mid-infrared laser, with a central wavelength of 3713 nm. The bandwidth of the mid-infrared laser is 122 nm. The pump power of 2 W generates a 0.238 W mid-infrared laser with a pump-idler conversion efficiency of 11.6%. It has tremendous application potential in the research of broadband CW mid-infrared lasers.

27

Su, Tao, Wenhua Yu e Raj Mittra. "A new look at FDTD excitation sources". Microwave and Optical Technology Letters 45, n. 3 (2005): 203–7. http://dx.doi.org/10.1002/mop.20770.

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Larsen, Torben, Shakuntala H. Thilsted, Katja Kongsbak e Marianne Hansen. "Whole small fish as a rich calcium source". British Journal of Nutrition 83, n. 2 (febbraio 2000): 191–96. http://dx.doi.org/10.1017/s0007114500000246.

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The present rat balance study investigated Ca availability from the whole indigenous small fish species, mola (Amblypharyngodon mola) from Bangladesh and from skimmed milk. Four groups of six young male rats each were fedad libitumwith diets containing either small fish or milk, at 100 or 160 g crude protein/kg diet dry matter. The study was conducted for 28 d and faeces and urine samples were collected in two balance periods: days 8–14 and 22–28. The Ca and N contents of the diets, faeces and urine were analysed. Ca intake, fractional Ca absorption and Ca retention in relation to N retention were measured. Digestibility and protein utilization of the experimental diets, weight gain of the rats, femur bone weight and mineral composition as well as bone alkaline phosphatase activity were also determined. It was concluded from the values of these variables that Ca from small fish with bones was available and appeared to be a useful Ca source in rats, though perhaps not as available as Ca from milk. This study suggests that small fish with bones may be an important source of Ca in human diets. Promotion of the production and consumption of small fish in population groups with low intakes of milk and milk products should therefore be encouraged.

29

Arvin, Farshad, Jose Espinosa, Benjamin Bird, Andrew West, Simon Watson e Barry Lennox. "Mona: an Affordable Open-Source Mobile Robot for Education and Research". Journal of Intelligent & Robotic Systems 94, n. 3-4 (23 maggio 2018): 761–75. http://dx.doi.org/10.1007/s10846-018-0866-9.

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Li, Xin, Zhe Zhang, Xinyang Xu, Junjie Liu e Xiaolei Bai. "1.73 kW CW Amplification ASE Source Based on Yb3+ Ions-Doped All-Fiber System". Photonics 10, n. 1 (10 gennaio 2023): 81. http://dx.doi.org/10.3390/photonics10010081.

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Abstract (sommario):

The all-fiber ASE source is an intriguing tool in the fields of super-fluorescence detection, coherent measurement and spectrum analysis technology. We experimentally demonstrate a continuous all-fiber amplified spontaneous emission (ASE) source based on amaster-oscillator power amplifier (MOPA) system, which aims at achieving high power and frequency stability. The seed source is homemade ASE low power super-fluorescence source with 200 mW. The system employs large-mode-area Yb3+-doped double-clad fiber (LMA-DCF), and the maximum power can reach 1.73 kW at a center wavelength of 1079.36 nm, and can maintain an optical-to-optical conversion efficiency of 79.13%. During 30 min of real-time monitoring, the ASE source system did not generate a nonlinear effect, and power fluctuation was less than 2%.

31

SAKUMA, Jun, Toshie ITOH, Akiko HARASAKI, Toshio SATOH e Masakatsu SUGII. "Development of a High Power Mid-IR Source Using TEA CO2 Laser MOPA System with AgGaSe2 Crystals." Review of Laser Engineering 25, n. 1 (1997): 61–66. http://dx.doi.org/10.2184/lsj.25.61.

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32

Li, Xudong, Wentao Wu, Renpeng Yan, Guichuan Xu, Zhixiang Liu, Xiaolin Wen, Rongwei Fan e Deying Chen. "10 kHz, 10 ns, 13.4 mJ Nd:YAG based frequency-tripled burst-mode MOPA source at 355 nm". Optics & Laser Technology 114 (giugno 2019): 190–95. http://dx.doi.org/10.1016/j.optlastec.2019.01.050.

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33

Haddad, G. I., J. R. East e C. Kidner. "Tunnel transit-time (tunnett) devices for terahertz sources". Microwave and Optical Technology Letters 4, n. 1 (5 gennaio 1991): 23–29. http://dx.doi.org/10.1002/mop.4650040109.

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34

Van Bladel, J. "Equivalence of electric and magnetic sources: A paradox". Microwave and Optical Technology Letters 4, n. 11 (ottobre 1991): 423–27. http://dx.doi.org/10.1002/mop.4650041103.

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35

Nolte, Guido, Laura Marzetti e Pedro Valdes Sosa. "Minimum Overlap Component Analysis (MOCA) of EEG/MEG data for more than two sources". Journal of Neuroscience Methods 183, n. 1 (settembre 2009): 72–76. http://dx.doi.org/10.1016/j.jneumeth.2009.07.006.

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36

Shi, Wei, Matthew Leigh, Jie Zong, Zhidong Yao e Shibin Jiang. "Photonic Narrow Linewidth GHz Source Based on Highly Codoped Phosphate Glass Fiber Lasers in a Single MOPA Chain". IEEE Photonics Technology Letters 20, n. 2 (gennaio 2008): 69–71. http://dx.doi.org/10.1109/lpt.2007.912471.

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37

Huaiqin Lin, Chunyu Guo, Shuangchen Ruan, Ruhua Wen, Jun Yu e Weiqi Liu. "20-W Wavelength-Tunable Picosecond Yb-Doped Fiber MOPA Source Seeded by an NPR Mode-Locked Fiber Laser". IEEE Photonics Journal 6, n. 5 (ottobre 2014): 1–6. http://dx.doi.org/10.1109/jphot.2014.2356511.

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38

Ginsberg, Gary L., e Sophie J. Balk. "Consumer products as sources of chemical exposures to children". Current Opinion in Pediatrics 28, n. 2 (aprile 2016): 235–42. http://dx.doi.org/10.1097/mop.0000000000000329.

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39

Cheng, Dajun, Jihua Cheng e Liangjin Xue. "Radiation of elementary dipole sources in stratified chiral media". Microwave and Optical Technology Letters 5, n. 3 (marzo 1992): 135–38. http://dx.doi.org/10.1002/mop.4650050312.

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40

Islam, Md Rakibul, Momota Yeasmin, Sultana Sadia, Md Sadek Ali, Ahmed Redwan Haque e Vikash Chandra Roy. "Small Indigenous Fish: A Potential Source of Valuable Nutrients in the Context of Bangladesh". Hydrobiology 2, n. 1 (6 febbraio 2023): 212–34. http://dx.doi.org/10.3390/hydrobiology2010014.

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Abstract (sommario):

Peoples can readily and affordably obtain small indigenous fish species (SIS), with a maximum length of 25 cm, that can be found in niches in small bodies of water (such as canals, ponds, wetlands, streams, etc.). SIS contribute valuable and significant macro- and micronutrients in Bangladesh. SIS are excellent suppliers of vitamins and minerals. The main micronutrients are copper, iodine, iron, selenium, chromium, and zinc, which can help prevent mineral deficiency and enzymatic response in the human body. SIS, such as the mola (Amblypharyngodon mola), cotio (Osteobrama cotio), darkina (Esomus danricus), etc., are easily digestible by the human gut. Nutrients of these fish are quickly accessible by the intestine. These fish are comparatively cheap and easy to capture and promote the presence of particular vitamins in SIS, including A, D, E, and K, as well as vitamin B components. This review paper focuses on the SIS nutritional contribution and their efficacy of preventing malnutrition in developing countries such as Bangladesh and the whole world.

41

Pon Ragothama Priya, P., S. Baskar, S. Tamil Selvi e C. K. Babulal. "Optimal Allocation of Hybrid Renewable Distributed Generation with Battery Energy Storage System Using MOEA/D-DRA Algorithm". International Transactions on Electrical Energy Systems 2023 (27 maggio 2023): 1–18. http://dx.doi.org/10.1155/2023/7316834.

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Abstract (sommario):

The need for energy and environmental sustainability drives the adoption of renewable energy systems to reduce greenhouse gas emissions. Efficient planning of energy sources is crucial for a reliable distribution network. This article solves the optimal allocation of hybrid energy sources (i.e., Renewable Distribution Generators (RDGs) and Battery Energy Storage System (BESS)) problem, aiming to minimize the annual energy loss and investment costs simultaneously. The proposed formulation includes the uncertainties such as forced outages of RDG’s, intermittence in RDG power generation, Expected Energy Not Served (EENS) by DG units, and time-varying demand altogether in the existing formulation. To evaluate the effectiveness of the proposed formulation, a Multi-Objective Evolutionary Algorithm based on Decomposition with Dynamic Resource Allocation (MOEA/D-DRA) is used. Simulation studies are conducted on IEEE 33-node and TNEB 84-node Radial Distribution Systems (RDSs), comparing results with the Rider Optimization Algorithm (ROA) and Hybrid Nelder Mead-Particle Swarm Optimization (HNMPSO) respectively. The proposed formulation for a Multi-objective Optimization of Hybrid Energy Sources allocation problem solved by the MOEA/D-DRA algorithm provides improved benefits like minimum annual energy loss, investment cost, CO2 emission, EENS by the DG units, and enhanced system voltage stability and voltage profile.

42

Menković, Mirjana. "Jovanka Broz i moda: kolekcija prve dame". Issues in Ethnology and Anthropology 10, n. 4 (4 marzo 2016): 873. http://dx.doi.org/10.21301/eap.v10i4.5.

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Abstract (sommario):

The paper showcases a part of the collection of the first lady of SFRY, Jovanka Broz, captured in photographs taken between 1953 and 1980. The issue of the lack of primary sources is considered – the lack of objects and explicit attitudes of the first lady herself, with the goal of offering a methodological approach through which this deficiency could be overcome. The paper uses the method of chronological tracking of political events, trends in the world of fashion and events in the fashion industry, as well as statements by participants and witnesses of certain events. Through comparison of these three aspects, we indirectly arrive at a view of the relationship of Jovanka Broz to clothing and fashion, as well as to a view of the key influences of the first lady’s collection on the fashion choices of the political elite and the fashion industry of SFR Yugoslavia. Jovanka Broz’s public appearance changed over time, from a careful selection of photographs without personal comment, through the recording of statements on formal occasions, to giving interviews to chosen journalists on specific topics – these changes are noted in the paper. It can be concluded that the fashion choices of Jovanka Broz were, first and foremost, aligned with the protocols demanded by international diplomacy, as well as that Jovanka Broz herself approached this demands with the utmost diligence, as well as personal attitude.

43

Lindell, Ismo V. "TE/TM decomposition of electromagnetic sources in uniaxial anisotropic media". Microwave and Optical Technology Letters 9, n. 2 (5 giugno 1995): 108–11. http://dx.doi.org/10.1002/mop.4650090215.

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44

Jin, Qiuyan, Jinchun Gao, Yongle Wu e Gang Xie. "Behavior modeling of passive intermodulation distortion with multiple nonlinear sources". Microwave and Optical Technology Letters 60, n. 9 (11 agosto 2018): 2182–85. http://dx.doi.org/10.1002/mop.31318.

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45

Lakhtakia, Akhlesh. "Scaling of fields, sources, and constitutive properties in bianisotropic media". Microwave and Optical Technology Letters 7, n. 7 (maggio 1994): 328–30. http://dx.doi.org/10.1002/mop.4650070711.

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46

Xu, Yansheng, e Renato G. Bosisio. "An effective approach to phase-noise reduction for microwave sources". Microwave and Optical Technology Letters 39, n. 1 (5 agosto 2003): 36–39. http://dx.doi.org/10.1002/mop.11119.

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47

Hooshyar, M. A., e Lena V. Lasater. "The method of lines and electromagnetic scattering for line sources". Microwave and Optical Technology Letters 41, n. 4 (2004): 286–90. http://dx.doi.org/10.1002/mop.20118.

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48

Li, Xiang, Ryan M. Danell, Veronica T. Pinnick, Andrej Grubisic, Friso van Amerom, Ricardo D. Arevalo, Stephanie A. Getty et al. "Mars Organic Molecule Analyzer (MOMA) laser desorption/ionization source design and performance characterization". International Journal of Mass Spectrometry 422 (novembre 2017): 177–87. http://dx.doi.org/10.1016/j.ijms.2017.03.010.

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49

Tokhetova, Laura, Bibigul Baizhanova, Raushan Nurymova, Gulmira Akhmedova, Renata Akzhunis e Tatjana Cvijanović. "Screening of new sources of 'Hordeum vulgare' genes for adaptive breeding in Aral Sea basin, Kazakhstan, for diversification of agriculture". Zemljiste i biljka 70, n. 1 (2021): 86–101. http://dx.doi.org/10.5937/zembilj2101086t.

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Abstract (sommario):

The specifics of the soil and climatic conditions of the Aral sea region, Kazakhstan, primarily associated with salinization, various types of droughts, uneven distribution of precipitation during the growing season, and late spring frosts, make it necessary to create crop varieties with resistance to biotic and abiotic environmental factors. In this regard, the expansion of the area under crops of nontraditional salt-tolerant grain crops in the Kyzylorda region is one of the main directions of increasing the sustainability of agriculture in the region. Studies have shown that among the grain crops cultivated in the region, spring barley (Hordeum vulgare L.) is a reliable crop that can make the most of the region's bioclimatic resources to form sustainable yields. The purpose of this study is to create a new promising source material of barley based on a comprehensive study of collection material of various ecological and geographical origin by applying various methods of classical breeding. Based on a comprehensive assessment of the collection material of barley, a working collection of 250 varieties with agronomic resistance to environmental stress factors of the Aral Sea region was created. The selected samples are recommended for use in practical breeding in order to increase the adaptive potential of modern barley varieties.

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Zhang, Zhuo, Yandong Gong, Ke Li e Guobin Ren. "Investigation on fiber‐based terahertz source". Microwave and Optical Technology Letters 63, n. 10 (28 giugno 2021): 2675–80. http://dx.doi.org/10.1002/mop.32943.

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