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Journal articles

Academic literature on the topic 'Bands'

Author: Grafiati

Published: 4 June 2021

Last updated: 13 June 2025

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Journal articles on the topic "Bands"

1

Al-Jassani, Fatimah D., Hussein A. M. Al-Zubaidi, and Nisren J. Al-Mansori. "Satellite-Based Statistical Analysis of Hilla River Water Quality Parameters, Iraq." Nature Environment and Pollution Technology 21, no. 5(Suppl) (2022): 2315–21. http://dx.doi.org/10.46488/nept.2022.v21i05.027.

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Since industrial and human activities have been developed, water quality intensely degrades in Hilla River, Iraq. Using remote sensing technology provides data for assessing and monitoring water quality in surface water bodies. Thus, in this study, Landsat 8 satellite images (2016 to 2021) were statistically tested for developing linear models capable of estimating water quality parameters in the river based on field data, including turbidity (turb), electric conductivity (EC), hydrogen ions (pH), total suspended solids (TSS), chloride ions (Cl), sulfate ions (SO4), Alkalinity (ALK), total hardness (TH), calcium (Ca), potassium (K), sodium (Na), magnesium (Mg), and total dissolved solids (TDS). The results showed that seven parameters have a significant relationship with the spectral bands ratio (p-value less than 0.05). Some of them (TDS, SO4, and ALK) are positively correlated with bands ratio (Band10/Band3, Band10/Band3 and Band10/Band4, and Band3/Band7), respectively. Others (Mg, Ca, TH and pH) are inversely correlated with (Band4/Band7, Band1/Band4, Band1/Band4, and Band1/Band2), respectively. However, K, Na, TDS, Cl, EC and turb have an insignificant correlation with any band ratio.

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2

Gerhard, J. A., and Mario Petrich. "Free bands and free *-bands." Glasgow Mathematical Journal 28, no. 2 (1986): 161–79. http://dx.doi.org/10.1017/s0017089500006480.

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The word problem for free bands (idempotent semigroups) was solved by Green and Rees [4] in an early paper. They also established certain properties of the free band. This was followed by McLean [6] who provided a general structure theory for bands with some indication as to the structure of the free band. Since then a great many papers have appeared dealing with various aspects of the topic of bands and their varieties. A different solution of the word problem for free bands was recently given by Siekmann and Szabó [9]. For a discussion of bands, see the books [5] and [8].

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3

González Sánchez, Igael. "La tuba sinaloense en la renovación de la música regional mexicana del siglo XXI." Frontera norte 36 (January 1, 2024): 1–20. http://dx.doi.org/10.33679/rfn.v1i1.2371.

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This article reflects on the importance of tuba on banda and Mexican regional music, under the actual expansion of tuba and accordion bands. This approach retrieves documental sources and notes of participant observation about musicians of bands and conjuntos in Tijuana. In contrast to other studies concerning banda music groups in Mexico, the present work highlights the musical exchanges to and from the United States as catalysts for the technical development of the instrument and its adoption in popular bands. This vision brings a cross-border approach to the studies on the development of banda and conjunto in both sides of the border. In conclusion, it also highlights the importance of tuba for the contemporary Mexican regional music, which was integrated to the transnational music industry as a part of subaltern musical manifestation.

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4

Zhao, Ling Jun, Wan Feng Zhang, Li Fang Zhang, and Ji Bo Xie. "Study on Alteration Information Extraction by Using Assimilation of Multi-Sensor Spectral Data." Applied Mechanics and Materials 241-244 (December 2012): 943–47. http://dx.doi.org/10.4028/www.scientific.net/amm.241-244.943.

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Some alterations of similar spectral reflectances cannot be distinguished accurately for their lower spectral resolution when the traditional methods, such as, band ratio and principal component analysis are used to extract alteration information from Landsat ETM multi-spectral data. In this paper, the band1~band7 of MODIS whose wave lengths are among 10~500nm, together with ETM’s multi-spectral bands, whose spatial resolutions are 30m, are chosen in the execution of data assimilation. After the third order wavelet transformation, the low-frequency component of ETM data are replaced by the MODIS data subsequently, then the inverse wavelet transform is in progress. The result of data assimilation consists of not only ETM’s spatial information but also MODIS’ spectral information. At last, four bands of assimilation results are selected to process PCA transform, as a result, two types of alteration in the study area are extracted accurately according to their components.

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5

LAU, JOSEPH. "Free sub-bands of finitely presented bands." Glasgow Mathematical Journal 41, no. 1 (1999): 145–50. http://dx.doi.org/10.1017/s0017089599970659.

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For each variety of bands [Vscr ], we give a formula for ϕ[Vscr ](m,k), which is the largest integer such that for every band B in [Vscr ] generated by m generators and k relations, there is a subset of the generators of size ϕ[Vscr ](m,k) which generates a (relatively) free sub-band of B as a basis. We also determine the semilattice structure of a finitely presented band.

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6

O'Loughlin, Niall. "Wind Bands." Musical Times 129, no. 1739 (1988): 29. http://dx.doi.org/10.2307/964987.

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7

Levy, P. A., and H. M. Adam. "Amniotic Bands." Pediatrics in Review 19, no. 7 (1998): 249. http://dx.doi.org/10.1542/pir.19-7-249.

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8

Levy, Paul A. "Amniotic Bands." Pediatrics In Review 19, no. 7 (1998): 249. http://dx.doi.org/10.1542/pir.19.7.249.

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9

Kahr, Bart, Erica Gunn, and John Freudenthal. "Bernauer's bands." Acta Crystallographica Section A Foundations of Crystallography 65, a1 (2009): s85. http://dx.doi.org/10.1107/s0108767309098353.

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10

Knipper, Patrick, and Vladimir Mitz. "Platysma Bands." Plastic and Reconstructive Surgery 140, no. 5 (2017): 755e. http://dx.doi.org/10.1097/prs.0000000000003783.

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