Results 91 to 100 of about 5,202,506 (244)
Physical and acoustic properties of petroleum and renewable based polyurethane foam filled with shorea leprosula [PDF]
, 2018 Physical and acoustic properties of petroleum-based polyurethane (PU) and renewable based polyurethane (RPU) foam composites filled with Shorea Leprosula (Red Meranti) fiber filler has been investigated.
Mohd Azahari, Muhammad Shafiq
core +1 more source
Journal of Horticultural Research, 2014 ‘Braeburn’ apples from three harvests after 6-month storage in controlled atmosphere were measured at 670 nm by time-resolved reflectance spectroscopy (TRS), ranked on decreasing μa670 (increasing maturity), classified as less (LeM), medium and more ...
Rizzolo Anna +6 more
doaj +1 more source
Remote Sensing, 2018 Measurements of absorption coefficients (a(λ), in m−1) collected by spectrophotometers in situ are overestimated due to the scattering of the reflecting tube absorption meter.
Fernanda Watanabe +7 more
doaj +1 more source
Optical Measurement of Molar Absorption Coefficient of HbA1c: Comparison of Theoretical and Experimental Results. [PDF]
Sensors (Basel), 2022 Hossain S, Satter S, Kwon TH, Kim KD.
europepmc +1 more source
Speech Absorption Coefficient (SAC) [PDF]
The Journal of the Acoustical Society of America, 1970 A single-number rating is proposed for evaluating the sound absorption of an acoustical material for use in applications where the control of speech sounds is of primary importance, such as in open-plan offices and schools. The development and application of the speech absorption coefficient are described, and its use is compared with the familiar ...
openaire +1 more source
Optimized design and experimental validation of sound absorption coefficient performance in aluminium metal foam by spark plasma sintering. [PDF]
Heliyon, 2023 Jafari MJ, Madvari RF, Ebadzadeh T.
europepmc +1 more source
Zhongguo Jianchuan YanjiuObjectiveAs specific and demanding requirements are imposed by measuring the impedance of the anechoic coatings on the hull surface of an underwater vehicle using the traditional water-filled tube experiment, a method of sound absorption coefficient ...
Fan ZHANG +3 more
doaj +1 more source
Continuous observation of black carbon aerosol during winter in urban Beijing, China
Atmospheric and Oceanic Science Letters, 2018 Black carbon (BC) has a significant impact on air quality and atmospheric light absorption due to its unique physical properties. In this study, a ten-wavelength black carbon monitor was used to measure BC concentrations continuously during winter in ...
Peng XUE +9 more
doaj +1 more source
Optimization of the Sound Absorption Coefficient (SAC) from Cellulose-Silica Aerogel Using the Box-Behnken Design. [PDF]
ACS Omega, 2022 Silviana S +3 more
europepmc +1 more source
بهداشت و ایمنی کار, 2019 Introduction: Nowadays multiple techniques have been developed to noise control. One the most important way is the control based on sound absorption and insulation.
Roohalah Hajizadeh +4 more
doaj