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Journal articles on the topic 'Sound, light and Heat'

Author: Grafiati

Published: 7 September 2023

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1

Ladbury, Ray. "Sound from Sunspots Generates Heat As Well As Light." Physics Today 49, no. 4 (1996): 20–22. http://dx.doi.org/10.1063/1.2807577.

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2

Oehler, Oscar. "Sound, heat and light: photoacoustic and photothermal detection of gases." Sensor Review 15, no. 3 (1995): 14–16. http://dx.doi.org/10.1108/02602289510795923.

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3

Choi, Hyeung Sik, Hee Young Shin, Ji Youn Oh, Tae Woo Lim, and Yun Hae Kim. "Temperature Regulation for LED Lamps Using Fans." Advanced Materials Research 753-755 (August 2013): 1931–38. http://dx.doi.org/10.4028/www.scientific.net/amr.753-755.1931.

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A temperature regulation control for LED(Light Emitting Diode) lamp using a cooling fan was studied. An efficient temperature regulation scheme using fan wind at the lowest sound noise was studied. For the study, after measurement of the minimum sound noise of the fan and related temperature of the LED lamp through tests, experiments on temperature control of the LED lamp using the fan with various size of heat sinks was performed. Also, characteristics and relationship of heat sinks and fans are studied through experiments. To reduce the fan sound noise, a method of reducing the operation tim

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4

Thomas, R. L., and L. D. Favro. "From Photoacoustic Microscopy to Thermal-Wave Imaging." MRS Bulletin 21, no. 10 (1996): 47–52. http://dx.doi.org/10.1557/s088376940003164x.

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Photoacoustic spectroscopy is a technique in which the absorption of periodically intensity-modulated light is detected by the sound that it produces at the (acoustic) modulation frequency in a closed volume of gas or liquid in thermal contact with the material absorbing the light. The spectroscopic aspect of the technique relies on the ability to scan the wavelength of the light that stimulates the sound. Thus one can determine the absorption as a function of wavelength through the conversion of absorbed energy to heat and thence to sound. The acoustic detection is carried out synchronously w

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5

Jones, Christopher D., and Jonathan W. Steed. "Gels with sense: supramolecular materials that respond to heat, light and sound." Chemical Society Reviews 45, no. 23 (2016): 6546–96. http://dx.doi.org/10.1039/c6cs00435k.

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6

Strang, David. "Sensitive Chaos." Leonardo 48, no. 3 (2015): 286–87. http://dx.doi.org/10.1162/leon_a_01012.

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This paper describes the life (and death) of the interface in the installation Tiny Moments by David Strang. Tiny Moments is a sound and light interactive installation that explores natural phenomena surrounding heat, ice and presence/ proximity. This installation explores the process of natural materials in computer interaction in a way beyond simple hardware devices available to users. What is created is a space filled with ever changing rhythms of light and sound in complete synchronicity that no user feels to have any control of.

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Dannecker, E., B. McLay, and R. Fillingim. "Effects of induced muscle pain on responses to light, sound, heat, and exercise." Journal of Pain 12, no. 4 (2011): P7. http://dx.doi.org/10.1016/j.jpain.2011.02.028.

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8

Golubkov, A. V., L. S. Parfen’eva, I. A. Smirnov, et al. "Heat capacity and velocity of sound in the YbMgCu4 “light” heavy-fermion system." Physics of the Solid State 49, no. 11 (2007): 2042–46. http://dx.doi.org/10.1134/s1063783407110042.

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9

Gosselin, M., L. Legendre, S. Demers, and R. G. Ingram. "Responses of Sea-Ice Microalgae to Climatic and Fortnightly Tidal Energy Inputs (Manitounuk Sound, Hudson Bay)." Canadian Journal of Fisheries and Aquatic Sciences 42, no. 5 (1985): 999–1006. http://dx.doi.org/10.1139/f85-125.

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Variations of sea-ice microalgae at the ice–water interface (Manitounuk Sound, Hudson Bay, Canada) were studied in relation to various energy inputs (light, tidal mixing, and heat) in April and May 1982. Seasonal photosynthetic activity does not start before the light intensity reaches 7.6 μEinst∙m−2∙s−1. Above this value, the seasonal increase in cell numbers and chlorophyll and in the photoadaptation index (Ik) is related to the increase in underice light intensity. The sea-ice community changes from shade to light adaptation to optimize the use of ambient light energy. Photosynthetic effici

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10

Adlington, Robert. "Moving Beyond Motion: Metaphors for Changing Sound." Journal of the Royal Musical Association 128, no. 2 (2003): 297–318. http://dx.doi.org/10.1093/jrma/128.2.297.

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This article argues that music offers experiences of change that are at odds with our common understanding of time. Specifically, I question the widespread belief that onward motion is a condition of musical temporality. I approach this issue through metaphor theory, which tends to argue for the necessity of metaphorical experiences of time and music in terms of motion. I argue that music's changing sound evokes a variety of bodily metaphors; motion is not ever-present, but intermingles with metaphors of heat, light, weight, tension and so on. Works by Ligeti, Carter, Kurtág and Saariaho are d

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11

Vasileiadis, Thomas, Juan Sebastian Reparaz, and Bartlomiej Graczykowski. "Phonon transport in the gigahertz to terahertz range: Confinement, topology, and second sound." Journal of Applied Physics 131, no. 18 (2022): 180901. http://dx.doi.org/10.1063/5.0073508.

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Transport of heat and hypersound with gigahertz (GHz) to terahertz (THz) phonons is crucial for heat management in electronics, mediating signal processing with microwave radiation, thermoelectrics, and various types of sensors based on nanomechanical resonators. Efficient control of heat and sound transport requires new materials, novel experimental techniques, and a detailed knowledge of the interaction of phonons with other elementary excitations. Wave-like heat transport, also known as second sound, has recently attracted renewed attention since it provides several opportunities for overco

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12

Kalimullina N.V, Babajanova Z., and Atamurotov O.E. "Relatively light walling in single-storey residential buildings in rural areas." International Journal on Integrated Education 3, no. 6 (2020): 84–86. http://dx.doi.org/10.31149/ijie.v3i6.416.

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The scientific article provides some considerations for the use of relatively new heat and sound insulation materials. As fencing, load-bearing, self-supporting structures, as well as for the walls of external auxiliary premises, the replacement of masonry with other alternatives is proposed. The authors offer ideas on the use of some lightweight concrete, such as foam concrete, the production of which at present can reduce the cost of building exemplary residential buildings.

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13

Rossi, Carole, and Ruiqi Shen. "Miniaturized Pyrotechnic Systems Meet the Performance Needs While Limiting the Environmental Impact." Micromachines 13, no. 3 (2022): 376. http://dx.doi.org/10.3390/mi13030376.

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Pyrotechnic systems, also termed pyrotechnics, refer to a broad family of sophisticated single-use devices that are able to produce heat, light, smoke, sound, motion, and/or a combination of these thanks to the reaction of an energetic material (primary and secondary explosives, powders/propellants, and other pyrotechnic substances) [...]

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14

Vītola, Paula. "Redzamās skaņas – mākslinieciski pētījumi fotoakustikā." Scriptus Manet: humanitāro un mākslas zinātņu žurnāls = Scriptus Manet: Journal of Humanities and Arts, no. 14 (December 19, 2022): 41–53. http://dx.doi.org/10.37384/sm.2022.14.041.

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Since 2015, the author of the article has been researching the photoacoustic effect in her artistic work, experimenting, and developing various prototypes and artworks that allow visitors to experience the effect and understand some of its principles. The photoacoustic effect is a process where sound is generated, recorded, or transmitted using photosensitive material. The article describes the author’s creative process, methods, and practical research and draws conclusions about the role of the artistic experience in producing knowledge and informing audiences about the working principles of

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15

FOSTER, CHARLES, JONATHAN HERRING, KAREN MELHAM, and TONY HOPE. "The Double Effect Effect." Cambridge Quarterly of Healthcare Ethics 20, no. 1 (2011): 56–72. http://dx.doi.org/10.1017/s0963180110000629.

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The “doctrine of double effect” has a pleasing ring to it. It is regarded by some as the cornerstone of any sound approach to end-of-life issues and by others as religious mumbo jumbo. Discussions about “the doctrine” often generate more heat than light. They are often conducted at cross-purposes and laced with footnotes from Leviticus.

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16

Öhrström, Evy, Martin Björkman, and Ragnar Rylander. "Noise annoyance with regard to neurophysiological sensitivity, subjective noise sensitivity and personality variables." Psychological Medicine 18, no. 3 (1988): 605–13. http://dx.doi.org/10.1017/s003329170000828x.

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SynopsisTo evaluate the relation between annoyance to environmental noise, general neurophysiological sensitivity, subjective noise sensitivity and other individual characteristics, experiments were undertaken in which 93 subjects assessed their subjective annoyance after exposure to noise under laboratory conditions. Evaluations were made of the discomfort threshold for pulsating sound, the light discomfort, and heat and cold discomfort. The heart rate and discomfort after exposure to a series of impulse noises was also determined. Subjective noise sensitivity, attitudes to noise, mood and pe

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17

Kitazaki, Michiteru. "Human temporal coordination of visual and auditory events in virtual reality." Seeing and Perceiving 25 (2012): 31. http://dx.doi.org/10.1163/187847612x646532.

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Since the speed of sound is much slower than light, we sometimes hear a sound later than an accompanying light event (e.g., thunder and lightning at a far distance). However, Sugita and Suzuki (2003) reported that our brain coordinates a sound and its accompanying light to be perceived simultaneously within 20 m distance. Thus, the light accompanied with physically delayed sound is perceived simultaneously with the sound in near field. We aimed to test if this sound–light coordination occurs in a virtual-reality environment and investigate effects of binocular disparity and motion parallax. Si

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18

Chen, Jin Jing, and Zheng Guo. "The Acoustic Insulation Property of a New Non-Woven Material." Advanced Materials Research 194-196 (February 2011): 471–75. http://dx.doi.org/10.4028/www.scientific.net/amr.194-196.471.

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The acoustic insulation and hydrophobic properties of a new non-woven material were analyzed and discussed in this paper. The new non-woven material absorbs sound energy to transfer into heat energy by friction between viscosity of air near fiber and fiber. The acoustic insulation properties of the new non-woven material, polyurethane foam and felt were measured. With the same thickness and half weight of felt, the sound absorption coefficient of non-woven was 20~30% higher than felt. Further more, with the same weight of felt, the sound absorption coefficient of non-woven was50~60% higher tha

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19

KOTOV, M., О. KONOPLIANYK, V. VOLCHUK, and I. ILIEV. "LIGHT CONCRETE BASED ON PRODUCTION WASTE POLYPROPYLENE CONTAINER." Ukrainian Journal of Civil Engineering and Architecture, no. 1 (013) (April 14, 2023): 44–51. http://dx.doi.org/10.30838/j.bpsacea.2312.280223.44.917.

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Problem statement. These days, the use of secondary waste generated as a result of human activity is a relevant issue in the construction industry. One of the directions of realization of this task is the production of light structural and heat-insulating concrete by using light aggregates − industrial waste. The analysis of the current state of light concrete development and research showed that on the basis of production waste, structurally heat-insulating products made of light concrete can be obtained, which, unlike products made of heavy concrete, will significantly reduce the load on bui

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20

Rastogi, Rohit, Sheelu Sagar, Neeti Tandon, Priyanshi Garg, and Mukund Rastogi. "Treatment Case Studies and Emissions Analysis of Wood in Yagya." International Journal of Biomedical and Clinical Engineering 10, no. 2 (2021): 29–43. http://dx.doi.org/10.4018/ijbce.2021070103.

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The mantra becomes more powerful when that sound is chanted in front of purified fire and light; sound and heat energy mixtures are converted into high level of energy and spread around the atmosphere. Through this paper, the well experienced author team of various domains is continuously working in experimenting in joint collaboration with different GoI departments. They have observed the slow but continuous progress in different ails on many subjects through scientific study and approach. The main case studies where the patients got significant benefits through this alternate therapy have be

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21

Wang, Bo. "Comprehensive Evaluation Method Study of Urban Pavement Ecological Physical Environment (UPEPE)." Applied Mechanics and Materials 278-280 (January 2013): 2304–7. http://dx.doi.org/10.4028/www.scientific.net/amm.278-280.2304.

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The premise that analyzing and studying the factors that affect urban pavement ecological physical environment (UPEPE), UPEPE impact factors are the thermal environment, sound environment, light environment, eco-energy saving design. This paper establishes the evaluation method for UPEPE which is based on fuzzy math. We evaluate the quality of UPEPE comprehensively in this way. Heat, light, sound and other ecological and physical environment effects are very important for creating good quality physical environment in urban pavement. In this paper, according to the impact factors of the UPEPE a

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22

Subbulakshmi, S. "Technical Terms and Thirugnana Sambandhar." Shanlax International Journal of Arts, Science and Humanities 8, no. 2 (2020): 93–96. http://dx.doi.org/10.34293/sijash.v8i2.3338.

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The Technical Terms are the specific Terms that are used in each particular subject. For example, Light, Heat, Sound, Thermal, Electrical, Magnetic are some for Physics and Acid, Base, Salt, Metal, Ore are some for Chemistry. Like this, the specific terms used only in Music and Dance are abundantly seen in Sambandhar Thevaaram, which belongs to the 7th Century. These Technical Music Terms are high-lighted in this article.

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23

Choi, Hyun Jung, Kyoung Woo Kim, Jun Oh Yeon, Kwan Seop Yang, and Kyung Ho Kim. "Performance Evaluation of Dry Double Floor-System Using Recycled Materials." Advanced Materials Research 689 (May 2013): 246–49. http://dx.doi.org/10.4028/www.scientific.net/amr.689.246.

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Typical wet floor systems applied in most Korean housing units require refurbishing as they have a shorter lifespan than buildings. Construction waste, yielded by such refurbishing, can cause social problems such as environmental issues. In order to reduce such problems, a dry double floor system had been developed with the use of recycled materials. In this study, we evaluated performances of a developed double floor system, such as impact sound and radiant heat. As a result, floor impact sound was around 40 dB for light-weight types and around 48 dB for heavy-weight types, respectively. More

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24

Li, Xin E. "Application Prospect of Basalt Fabrics Wall Material." Applied Mechanics and Materials 204-208 (October 2012): 3974–77. http://dx.doi.org/10.4028/www.scientific.net/amm.204-208.3974.

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Functions of the wall and some of wall materials are introduced. Basalt filaments possess excellent properties with high strength, high temperature resistance, corrosion resistance, small hygroscopicity, small thermal conductivity and high sound absorption coefficient. High performance basalt fabrics can be gelatinized into compound cementitious materials with cement or gypsum. The performance of basalt compound boards mainly rely on the performance of basalt filaments. So basalt compound boards possess excellent characteristics with light-weight, high strength, fire prevention, sound insulati

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25

Fan, Ya Bin, and Hua Liu. "Study on Application Model of Internet of Things for Green Manufacturing." Applied Mechanics and Materials 484-485 (January 2014): 187–90. http://dx.doi.org/10.4028/www.scientific.net/amm.484-485.187.

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Internet of things is defined as a huge network combing with the Internet through using all kinds of information sensing equipments to collect all kinds of required information such as sound, light, heat, electricity, mechanics, chemistry, biology, and position. Analyzed from the structure of networking and the superior controllable performances of Internet of things, Internet of things will be crucial in future computer application system. In this paper, therefore, the key technology of internet of things and its application model are explored.

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26

Amit, Guy, Khuloud Shukha, Noam Gavriely, and Nathan Intrator. "Respiratory modulation of heart sound morphology." American Journal of Physiology-Heart and Circulatory Physiology 296, no. 3 (2009): H796—H805. http://dx.doi.org/10.1152/ajpheart.00806.2008.

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Heart sounds, the acoustic vibrations produced by the mechanical processes of the cardiac cycle, are modulated by respiratory activity. We have used computational techniques of cluster analysis and classification to study the effects of the respiratory phase and the respiratory resistive load on the temporal and morphological properties of the first (S1) and second heart sounds (S2), acquired from 12 healthy volunteers. Heart sounds exhibited strong morphological variability during normal respiration and nearly no variability during apnea. The variability was shown to be periodic, with its est

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27

Krüger, Hannah M., Thérèse Collins, Bernhard Englitz, and Patrick Cavanagh. "Saccades create similar mislocalizations in visual and auditory space." Journal of Neurophysiology 115, no. 4 (2016): 2237–45. http://dx.doi.org/10.1152/jn.00853.2014.

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Orienting our eyes to a light, a sound, or a touch occurs effortlessly, despite the fact that sound and touch have to be converted from head- and body-based coordinates to eye-based coordinates to do so. We asked whether the oculomotor representation is also used for localization of sounds even when there is no saccade to the sound source. To address this, we examined whether saccades introduced similar errors of localization judgments for both visual and auditory stimuli. Sixteen subjects indicated the direction of a visual or auditory apparent motion seen or heard between two targets present

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28

Nishida, Shinichi, Hiroto Tanaka, M. Adachi, and M. Motomura. "Producing Aluminum Foam Sandwich Panel by Melt Drag Process." Materials Science Forum 706-709 (January 2012): 367–72. http://dx.doi.org/10.4028/www.scientific.net/msf.706-709.367.

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Aluminum foam is porous material and it is superior property which is light weight , absorption sound, heat insulation and energy absorption than other materials. In present the panel of aluminum foam sandwich panel to use as structural materials is adhered with adhesive or wax for adhesion. The aim of this study is to clarify producing conditions to make sandwich panel by melt drag process. Melt drag process is single roll strip casting process. Producing aluminum alloy strip and adhering foam are at a time.

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29

Morris, Robert. "Aspects of Performance Practice in Morton Feldman's Last Pieces." MusMat: Brazilian Journal of Music and Mathematics IV, no. 2 (2020): 28–40. http://dx.doi.org/10.46926/musmat.2020v4n2.28-40.

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Morton Feldman’s Last Pieces for piano solo of 1959 poses an interesting interpretive problem for the performer. As in many Feldman compositions of the 1950s and 60s, the first movement of the work is notated as a series of "sound events" to be played by the performer choosing the durations for each event. The only tempo indications are "Slow. Soft. Durations are free." This situation is complicated by Feldman’s remark about a similar work from 1960, "[I chose] intervals that seemed to erase or cancel out each sound as soon as we hear the next." I interpret this intension to keep the piece fre

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30

Steffen, Konrad. "Ice Conditions of an Arctic Polynya: North Water in Winter." Journal of Glaciology 32, no. 112 (1986): 383–90. http://dx.doi.org/10.1017/s0022143000012089.

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AbstractThe surface condition of the North Water was investigated during two winters (i.e. the three polynyas: Smith Sound polynya, Lady Ann Strait polynya, and Barrow Strait polynya). Since no detailed information was available on ice conditions and the extent of open water during winter, radiometric temperature measurements of the sea surface had to be taken along a flight line of 2650 km from an altitude of 300 m. From November to March 1978-79 and 1980-81, 14 remote-sensing flights were carried out. On the basis of the radiometric measurements, the following ice types were identified: ice-

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31

Steffen, Konrad. "Ice Conditions of an Arctic Polynya: North Water in Winter." Journal of Glaciology 32, no. 112 (1986): 383–90. http://dx.doi.org/10.3189/s0022143000012089.

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AbstractThe surface condition of the North Water was investigated during two winters (i.e. the three polynyas: Smith Sound polynya, Lady Ann Strait polynya, and Barrow Strait polynya). Since no detailed information was available on ice conditions and the extent of open water during winter, radiometric temperature measurements of the sea surface had to be taken along a flight line of 2650 km from an altitude of 300 m. From November to March 1978-79 and 1980-81, 14 remote-sensing flights were carried out. On the basis of the radiometric measurements, the following ice types were identified: ice-

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32

Wang, Bo, Pengcheng Shi, Yuhua Yang, et al. "Design and Fabrication of an Integrated Hollow Concave Cilium MEMS Cardiac Sound Sensor." Micromachines 13, no. 12 (2022): 2174. http://dx.doi.org/10.3390/mi13122174.

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In light of a need for low-frequency, high sensitivity and broadband cardiac murmur signal detection, the present work puts forward an integrated MEMS-based heart sound sensor with a hollow concave ciliary micro-structure. The advantages of a hollow MEMS structure, in contrast to planar ciliated micro-structures, are that it reduces the ciliated mass and enhances the operating bandwidth. Meanwhile, the area of acoustic-wave reception is enlarged by the concave architecture, thereby enhancing the sensitivity at low frequencies. By rationally designing the acoustic encapsulation, the loss of hea

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33

Amichai, Eran, and Yossi Yovel. "Echolocating bats rely on an innate speed-of-sound reference." Proceedings of the National Academy of Sciences 118, no. 19 (2021): e2024352118. http://dx.doi.org/10.1073/pnas.2024352118.

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Animals must encode fundamental physical relationships in their brains. A heron plunging its head underwater to skewer a fish must correct for light refraction, an archerfish shooting down an insect must “consider” gravity, and an echolocating bat that is attacking prey must account for the speed of sound in order to assess its distance. Do animals learn these relations or are they encoded innately and can they adjust them as adults are all open questions. We addressed this question by shifting the speed of sound and assessing the sensory behavior of a bat species that naturally experiences di

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34

Yang, Yanye, Juan Tu, Dongxin Yang, Jason L. Raymond, Ronald A. Roy, and Dong Zhang. "Photo- and Sono-Dynamic Therapy: A Review of Mechanisms and Considerations for Pharmacological Agents Used in Therapy Incorporating Light and Sound." Current Pharmaceutical Design 25, no. 4 (2019): 401–12. http://dx.doi.org/10.2174/1381612825666190123114107.

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As irreplaceable energy sources of minimally invasive treatment, light and sound have, separately, laid solid foundations in their clinic applications. Constrained by the relatively shallow penetration depth of light, photodynamic therapy (PDT) typically involves involves superficial targets such as shallow seated skin conditions, head and neck cancers, eye disorders, early-stage cancer of esophagus, etc. For ultrasound-driven sonodynamic therapy (SDT), however, to various organs is facilitated by the superior... transmission and focusing ability of ultrasound in biological tissues, enabling m

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Bohnen, N., A. Twijnstra, J. Kroeze, and J. Jolles. "A Psychophysical Method for Assessing Visual and Acoustic Hyperesthesia in Patients with Mild Head Injury." British Journal of Psychiatry 159, no. 6 (1991): 860–63. http://dx.doi.org/10.1192/bjp.159.6.860.

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Although it is well known that patients with mild head injury (MHI) are less able to endure intense light and sound stimuli than normal people, there are few psychophysical studies that have objectively measured this type of hyperaesthesia. In the present study, using a computerised rating scale technique, both the maximal and submaximal levels of reduced tolerance to light and sound were assessed for a wide range of stimuli. Three to six days after the trauma, 40 MHI patients were significantly less tolerant to stimuli of intensities over 71 dB and 500 lux levels than controls. These intensit

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Genzel, Daria, Uwe Firzlaff, Lutz Wiegrebe, and Paul R. MacNeilage. "Dependence of auditory spatial updating on vestibular, proprioceptive, and efference copy signals." Journal of Neurophysiology 116, no. 2 (2016): 765–75. http://dx.doi.org/10.1152/jn.00052.2016.

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Humans localize sounds by comparing inputs across the two ears, resulting in a head-centered representation of sound-source position. When the head moves, information about head movement must be combined with the head-centered estimate to correctly update the world-centered sound-source position. Spatial updating has been extensively studied in the visual system, but less is known about how head movement signals interact with binaural information during auditory spatial updating. In the current experiments, listeners compared the world-centered azimuthal position of two sound sources presented

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37

Liu, Yi Qiang, Hong Bin Liu, and Guang Li. "The Experimental Study on Use of Industrial Wastes in Ceramsite for Construction." Applied Mechanics and Materials 71-78 (July 2011): 1132–35. http://dx.doi.org/10.4028/www.scientific.net/amm.71-78.1132.

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Using the industrial wastes such as fly ash, phyllite and ove tails, the light ordinary type and high strength ceramsite are produced based on the different formulations by rotary kiln. The study is totally based on industrial wastes to produce new building materials. It is far-reaching practical significance for sustainable development of environment. Ceramsite is artificial light aggregate, which has the features of big surface area and light density, and widely apply in housing construction，road and bridge engineering etc. It is can place gravel as the main concrete aggregate in building st

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38

Karabašević, Anđela. "Atmospheric dimensions of architecture." SAJ - Serbian Architectural Journal 8, no. 2 (2016): 179–92. http://dx.doi.org/10.5937/saj1602179k.

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This paper proposes four methodological tools for investigating architectural atmospheres: objective experience, holistic measure, computational simulation and atmospheric visualization. These tools have emerged from a broader PhD research agenda based on the hypothesis that ephemeral effects of light, heat, sound, odor, carried on or in the air, present a scientific basis for precise construction of atmospheres in architecture. By describing my own atmospheric methodology over a series of individual case studies, I will argue that architectural atmospheres can be scientifically investigated a

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39

Hu, Xiao Dong, W. Li, Q. C. Wang, N. Qian, and Wen Hong Zhao. "Study on Precision Control of Direct Metal Forming." Key Engineering Materials 315-316 (July 2006): 597–601. http://dx.doi.org/10.4028/www.scientific.net/kem.315-316.597.

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This paper introduces a novel economical direct metal forming process, which combines of traditional plasma welding processes and layer manufacturing process to fabricate sound metal part. As high heat inputs during welding could affect parts surface quality, a CCD visual monitoring system was used to monitor the process. To avoid the interferer from plasma arc light, the spectrum of plasma arc was measured and analyzed, and a narrow band filter system was designed. The images of molten pool were analyzed, and a fuzzy-PID controller was used to control the molten pool size. Experimental result

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Mayer, Svea, Emanuel Schwaighofer, Martin Schloffer, and Helmut Clemens. "The Use of In Situ Characterization Techniques for the Development of Intermetallic Titanium Aluminides." Materials Science Forum 783-786 (May 2014): 2097–102. http://dx.doi.org/10.4028/www.scientific.net/msf.783-786.2097.

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Urgent needs concerning energy efficiency and environmental politics require novel approaches to materials design. One recent example is thereby the implementation of light-weight intermetallic titanium aluminides as structural materials for the application in turbine blades of aero-engines as well as in turbocharger turbine wheels for the next generation of automotive engines. Each production process leads to specific microstructures which can be altered and optimized by thermo-mechanical processing and / or subsequent heat-treatments. To develop sound and sustainable processing routes, knowl

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Nasser Tawfik, Abdel, and Hend Magdy. "Hadronic equation of state and speed of sound in thermal and dense medium." International Journal of Modern Physics A 29, no. 27 (2014): 1450152. http://dx.doi.org/10.1142/s0217751x14501528.

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The equation of state p(ϵ) and speed of sound squared [Formula: see text] are studied in grand canonical ensemble of all hadron resonances having masses ≤2 GeV . This large ensemble is divided into strange and non-strange hadron resonances and furthermore to pionic, bosonic and fermionic sectors. It is found that the pions represent the main contributors to [Formula: see text] and other thermodynamic quantities including the equation of state p(ϵ) at low temperatures. At high temperatures, the main contributions are added in by the massive hadron resonances. The speed of sound squared can be c

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Chaudhuri, Anandeep, and T. Jayanthi. "DIAGNOSIS OF CARDIAC ABNORMALITY USING HEART SOUND." Biomedical Engineering: Applications, Basis and Communications 28, no. 05 (2016): 1650032. http://dx.doi.org/10.4015/s1016237216500320.

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Heart sound (HS) analysis or auscultation is a standout amongst the most simple, non-invasive and costless methods used to evaluate heart health and is one of the basic and foremost routine of a doctor while reviewing a patient. Detecting cardiac abnormality by auscultation demands a physician’s experience and even then there is a high scope of committing error. In this paper, a low cost electronic stethoscope is built to acquire HS in a novel manner by taking one from each ventricular and auricular area and superimposed, to get a resultant signal of both distinct lub-dub sound. Then, a light,

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Mehrabani, Javad, Soodabeh Bagherzadeh, Abuzar Jorbonian, Eisa Khaleghi-Mamaghani, Maryam Taghdiri, and Mona Mehdizadeh-Haghighi. "Cardiovascular, lactate and appetite response to light and spicy music tempo after an endurance swimming protocol in young girls." Pedagogy of Physical Culture and Sports 24, no. 4 (2020): 195–202. http://dx.doi.org/10.15561/26649837.2020.0407.

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Background and Study Aim. During exercise, the effects of music on the performance have been previously evaluated. However, the superiority of the type of music and during recovery is not yet clear. Therefore the aim of this study was to determine the impact of music with a spicy and light beat on changes in lactate levels, blood pressure, heart rate, and appetite during the recovery period after the endurance swimming. Material and Methods. Thirteen healthy young girls participate in three control and experimental sessions. The participants performed a swimming. Immediately after swimming, th

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DeForge, Donald H. "Physical Ergonomics in Veterinary Dentistry." Journal of Veterinary Dentistry 19, no. 4 (2002): 196–200. http://dx.doi.org/10.1177/089875640201900402.

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Ergonomics is the application of a body of knowledge addressing the interactions between man and the total working environment, such as atmosphere, heat, light and sound, as well as all tools and equipment of the workplace. a Work related musculoskeletal injuries, caused by poor posture, have been discussed in human dentistry for several years. Veterinary dentistry, as a relatively new specialty within veterinary medicine, should address the ergonomics of poor posture without further delay to prevent work-related injuries. The generalist, as well as the specialist and their technicians, are su

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Koyankin, Aleksandr Aleksandrovich. "LIGHTWEIGHT SLAB CAST OVER PRECAST JOISTS." Vestnik MGSU, no. 6 (June 2017): 636–41. http://dx.doi.org/10.22227/1997-0935.2017.6.636-641.

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Precast-monolithic house-building in domestic and world practice is a significant part in the mass construction. We propose a relatively large number of designs of precast-monolithic buildings, as well as its individual elements. Despite this, we cannot say that found the most effective constructive solutions able to satisfy the requirements of consumers (future residents) and builders. On this basis, we developed quite effective, from the point of view of construction and further operation, a constructive solution of light weight precast-monolithic overlap. Some features offered are overlappi

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Berney, Michael, Hans-Ulrich Weilenmann, Julian Ihssen, Claudio Bassin, and Thomas Egli. "Specific Growth Rate Determines the Sensitivity of Escherichia coli to Thermal, UVA, and Solar Disinfection." Applied and Environmental Microbiology 72, no. 4 (2006): 2586–93. http://dx.doi.org/10.1128/aem.72.4.2586-2593.2006.

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ABSTRACT Knowledge about the sensitivity of the test organism is essential for the evaluation of any disinfection method. In this work we show that sensitivity of Escherichia coli MG1655 to three physical stresses (mild heat, UVA light, and sunlight) that are relevant in the disinfection of drinking water with solar radiation is determined by the specific growth rate of the culture. Batch- and chemostat-cultivated cells from cultures with similar specific growth rates showed similar stress sensitivities. Generally, fast-growing cells were more sensitive to the stresses than slow-growing cells.

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Egnuni, Teklu, Li Chunqi, Nicola Ingram, Louise Coletta, Steven Freear, and James R. McLaughlan. "Combining light and sound with nanoparticles to identify and treat head and neck cancers." Journal of the Acoustical Society of America 145, no. 3 (2019): 1810–11. http://dx.doi.org/10.1121/1.5101622.

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Lai, Puxiang, Xiazi Huang, Yingying Zhou, and Weiran Pang. "Nanoparticle-enhanced photoacoustic diagnosis and photothermal treatment of small-animal early-stage liver cancer." Journal of the Acoustical Society of America 152, no. 4 (2022): A224. http://dx.doi.org/10.1121/10.0016082.

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Synergy of light and sound, such as photoacoustic imaging, has demonstrated promising potentials in advancing the state-of-the-art of biomedical imaging by ultrasonically detecting the absorption of light, no matter the light is diffusive or not. As a result, optical contrast can be revealed with ultrasound or sub-ultrasound spatial resolution, which can be exploited to map sensitively the early tissue changes associated with the onset and development of early-stage diseases. The sources of photoacoustic emissions, however, could be very complicated within living biological tissue, as many tis

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Jasim, Ali, Jawad Mahmood, and Ramzy Ali. "Sound Signal Analysis Using FIR Filters for Musical Fountain Operation." Basrah journal for engineering science 16, no. 2 (2016): 21–28. http://dx.doi.org/10.33971/bjes.16.2.3.

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In digital signal processing (DSP), FIR digital filter isvery important device to deal with particular frequencies of acertain signal to be appropriate for some applications such ascommunications, sound equalizers, etc. In this paper, FIRfilters are adapted to decompose the original sound signal intofour signals. Each one is created by one FIR filter and eachfilter represents a narrow band of frequencies. The filteroutput is used to drive a certain variable speed drive (VSD) tocontrol the speed of a water pump and light intensity of acolored lamp. This filter output signal is applied to the an

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Desarda, Rashmi. "Top 10 Myths about Migraine." Advancements in Homeopathic Research 7, no. 3 (2022): 62–63. http://dx.doi.org/10.48165/ahr.2022.7.3.8.

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Migraine is a primary headache disorder characterized by recurrent headaches that are moderate to severe. Typically, the headaches affect one half of the head, are pulsating in nature, and last from a few hours to 3 days. Associated symptoms may include nausea, vomiting, and sensitivity to light, sound, or smell.

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