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UV Absorption Photometer
The ultraviolet spectral range is also suitable for gas analytical measurements and is therefore also used intensively for certain applications....
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Investigations on Sound Absorption Properties of Perforated Designed Panels for the Selective Frequency Absorption
Due to rapid industrialization and urbanization, noise pollution emerges as one of the serious threats to human beings. Noise is countered by...
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Sound Absorption Characteristics of Orthotropic Porous Materials
The paper presents the analysis of the acoustic parameters in terms of the absorption coefficient of the soundboard. The purpose of the study was to...
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Cork-Based Structures in Energy Absorption Applications
The property of energy absorption (EA) is a fundamental principle in engineering structures to dissipate energy when it impacted with a foreign...
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Basics of Radiation Absorption
Optical gas measuring methods use the property of molecules to absorb or emit electromagnetic radiation of a precisely defined wavelength λ0. The...
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Wideband Transmission/Absorption Switchable Metasurface with Dual-Polarization
The reconfigurable frequency selective rasorber has the ability to switch its transmission band into absorption band and thus, has the potential to...
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A Helmholtz Resonator Array for Low-Frequency Broadband Sound Absorption
Helmholtz resonators are widely used to reduce narrow frequency band noise. In this paper, an acoustic absorption structure based on Helmholtz...
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Research of Seat Vibration Absorption Performance by Vibration Model
The poor vibration absorption performance and large amplitude of seat during driving are common in vehicle development and market compliant. This...
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Evaporative, Absorption, and Gas Cooling Cycles
This chapter covers evaporative cooling, absorption refrigeration, and gas cooling cycles. Evaporative cooling uses the latent heat of evaporation of...
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Progress of Low-Dimensional Metal Sulfide Electromagnetic Wave Absorption Materials
With the rapid growth of the information technology and electronic industry, electromagnetic (EM) radiation has become the fourth type of pollution,...
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Polyurethane Foam-Filled Energy Absorption Connectors Under Impact
Two types of polyurethane (PU) foam-filled energy absorption connectors were proposed, aiming to improve the energy absorption performances of...
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Acoustic Wave Propagation at Boundaries: Reflection, Absorption, and Transmission
The knowledge of how acoustic waves propagate from one acoustic medium to another, and what happens to the acoustic waves when they encounter...
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Aluminum Foam-Filled Energy Absorption Connectors Under Impact
In this chapter, two types of aluminum foam-filled energy absorption connectors were proposed for resisting impact and blast loads. The drop-weight...
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Parametric Study of Factors Affecting Sound Absorption Characteristics of Acoustical Materials
The paper reports the parametric sensitivity of the factors affecting the sound absorption characteristics of the acoustical materials tested in the...
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Experimental Study of HMA Absorption According to Aggregate Types and Asphalt Grade
Different aggregate types tend to absorb asphalt differently, and these absorption and permeability properties can reduce costs and environmental...
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Design and Modeling of CO2 Absorption Column for Carbon Sequestration
Carbon dioxide (CO2) mitigation technologies are emerging faster due to the impact of global warming. The study aimed to sequestrate CO2 from a...
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Prediction of Energy Absorption Capacity of High-Performance Fiber-Reinforced Cementitious Composite
High-performance fiber-reinforced cementitious composite (HPFRCC), a new class of concrete technology, exhibits outstanding mechanical resistance,...
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Nanoparticle-Laden Flow for Solar Absorption
Nanoparticle-laden fluid (or more popularly “nanofluid”) could be engineered to efficiently absorb as well as transport solar energy. This flow...
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Active Vibration Isolation Platform Based on Distributed Vibration Absorption
In order to reduce the impact of micro-vibration on the satellite’s imaging quality, this paper proposes an active vibration isolation platform...
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Sound absorption coefficient measurement and analysis for multisection perforation microperforated panel
The microperforated panel (MPP) is a resonant-type sound-absorbing material considered the next-generation sound-absorption material due to its...