Study on Microscopic Characteristics of Spatial Distribution of Fractures in Deteriorated Sandstone by Wenwu Zhong, Xin Zhang, Tao Li, Xin Yang, Wei Deng, Jianchao Shi

“…Based on the propagation law of elastic waves in discontinuous media, the application of acoustic emission detection technology can quickly determine whether there are primary fractures in the rock and predict its approximate location. …”
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Analysis and Optimization of the Vibration and Noise of a Double Planetary Gear Power Coupling Mechanism by Weijian Zhou, Yanyan Zuo, Mingyin Zheng

“…The optimization results demonstrate that the acoustic power level after optimization is decreased by 3.94 dB, 3.92 dB, 5.59 dB, and 2.84 dB at frequencies of 770 Hz, 870 Hz, 1650 Hz, and 2480 Hz, respectively. …”
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Perception and Production of French Nasal Vowel Contrasts by English- and Spanish-Speaking L2 Learners by Vincent Chanethom, Patrick-André Mather

“…Specifically, the study examines how L2 learners maintain these categories separate acoustically in their speech production and whether their ability to perceive such contrasts influences their acoustic implementation. …”
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Application of additive manufacturing for the adaptive design of ultrasound phantoms by Lukas Zalka, Lukas Zalka, Johannes Köhrer, Johannes Köhrer, Chatsuda Songsaeng, Chatsuda Songsaeng, Peter Homolka, Christian Kollmann, Johann Hummel, Johann Hummel, Michael Figl, Michael Figl

“…The effect of the freeze-thaw cycles (FTCs) on the acoustic properties of the polyvinyl alcohol (PVA)-based phantoms was also investigated. …”
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A Confusing Coincidence: Neonatal Hypoglycemic Seizures and Hyperekplexia by Nihat Demir, Murat Doğan, Sanem Yılmaz, Erdal Peker, Keziban Bulan, Oğuz Tuncer

“…Hyperekplexia is a rare, nonepileptic, genetic, or sporadic neurologic disorder characterized by startle responses to acoustic, optic, or tactile stimuli. Genetic defects in glycine receptors as well as encephalitis, tumors, inflammation, and disgenesis are among the etiologic causes of the disease. …”
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Investigation on a Duct Noise Control Method through Membranes in Tandem by Cheng Shen, Shasha Yang, Harris K. H. Fan, Randolph C. K. Leung

“…This paper explores the vibro-acoustic mechanism of duct noise through the membrane in tandem. …”
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Ultrasonic Analysis of Peptide- and Antibody-Targeted Microbubble Contrast Agents for Molecular Imaging of αβ-Expressing Cells by Paul A. Dayton, David Pearson, Jarrod Clark, Scott Simon, Patricia A. Schumann, Reena Zutshi, Terry O. Matsunaga, Katherine W. Ferrara

“…Specific adhesion of these contrast agents to α v β 3 -expressing cell monolayers is demonstrated in vitro, and compared with that of nontargeted agents. Acoustic studies illustrate a backscatter amplitude increase from monolayers exposed to the targeted contrast agents of up to 13-fold (22 dB) relative to enhancement due to control bubbles. …”
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Study on Crack Evolution and Failure Mechanism of Fully Penetrated Fracture Grouting Body by Hanqing Wang, Li Li, Xinwang Li, Lichao Cheng, Pengfei Shen

“…The crack extension process and energy concentration areas of the grouted plus solid specimens at different stages were revealed from the acoustic characteristic. The results show that the peak strength of crack-grouting sandstone decreases with the increase of crack inclination under the same loading rate. …”
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Magnetic Resonance Thermometry of Focused Ultrasound Using a Preclinical Focused Ultrasound Robotic System at 3T by Antria Filippou, Nikolas Evripidou, Andreas Georgiou, Leonidas Georgiou, Antreas Chrysanthou, Cleanthis Ioannides, Christakis Damianou

“…At 3T, temperature changes between 41°C and 50°C were recorded for the three phantoms produced with varied silica and evaporated milk, with the addition of 2% w/v silica resulting in a 20% increase in temperature change. The lowest acoustic power that produced reliable beam detection within a voxel was 1.5 W. …”
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Vibration and Sound Transmission Performance of Sandwich Panels with Uniform and Gradient Auxetic Double Arrowhead Honeycomb Cores by Qing Li, Deqing Yang

“…A programmable structural-acoustic optimization was implemented to maximize the STL while maintaining a constant weight and high strength. …”
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The influence of modification on the structure and mechanical properties of aluminum alloys by Tetiana Nosova, Stella Mamchur

“…Mechanical impacts associated with the operation and transportation of products include overloads, vibrations, shocks, and acoustic loads. Climatic influences are characterized by the following components: temperature, pressure, humidity, dust. …”
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INTERSTRAIN DIFFERENCES IN EMOTIONAL AND WEIGHT INDICES IN GC RATS WITH CATATONIC RESPONSE AND WISTAR RATS by T. A. Alekhina, R. V. Kozhemjakina

“…The following indices were measured: time of cataleptic freezing, excitement level, blood pressure, acoustic startle response, seizure  activity, and weights of the heart, kidneys, adrenals, and spleen. …”
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Cross-sectional imaging of speed-of-sound distribution using photoacoustic reversal beacons by Yang Wang, Danni Wang, Liting Zhong, Yi Zhou, Qing Wang, Wufan Chen, Li Qi

“…Leveraging the obtained SOS map, we further demonstrate significantly enhanced PAT image reconstruction with acoustic correction.…”
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The Coronal Power Spectrum from MHD Mode Conversion above Sunspots by Hemanthi Miriyala, Richard J. Morton, Elena Khomenko, Patrick Antolin, Gert J.J. Botha

“…Frequency filtering of the upwardly propagating acoustic waves is a natural consequence of a gravitationally stratified atmosphere and plays a key role in shaping the power spectra of mode-converted waves. …”
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Multivariate-coupled-enhanced photoacoustic spectroscopy with Chebyshev rational fractional-order filtering algorithm for trace CH4 detection by Shenlong Zha, Hang Chen, Chen Liu, Yuxiang Guo, Hongliang Ma, Qilei Zhang, Lingli Li, Shengbao Zhan, Gang Cheng, Yanan Cao, Pan Pan

“…An innovative and miniature photoacoustic spectroscopy (PAS) gas sensor based on a multivariate-coupled amplification photoacoustic cell (MVCA-PAC) with a total length of 100 mm was developed to achieve ultra-sensitive trace CH4 detection. Acoustic pressure distribution simulations reveal that at the first-order resonance frequency, the MVCA-PAC achieves a maximum acoustic pressure approximately 3.9 times higher than that of a conventional photoacoustic cell. …”
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The Ultrasonic P-Wave Velocity-Stress Relationship and Energy Evolution of Sandstone under Uniaxial Loading-Unloading Conditions by Long Zhang, Zetian Zhang, Ru Zhang, Mingzhong Gao, Jing Xie

“…During mining, a deep rock mass experiences complex mining-induced stress evolution, damage accumulation, and deformation failure processes, and the mechanical and acoustic properties of the rock constantly change. …”
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Wave Dispersion and Attenuation in Viscoelastic Split Hopkinson Pressure Bar by Z.Q. Cheng, J.R. Crandall, W.D. Pilkey

“…A viscoelastic split Hopkinson pressure bar intended for testing soft materials with low acoustic impedance is studied. Using one-dimensional linear viscoelastic wave propagation theory, the basic equations have been established for the determination of the stress—strain—strain rate relationship for the tested material. …”
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Perceptual discrimination and categorization of vowels in different levels of foreign language instruction by Ane Icardo Isasa

“…However, the success in categorization varies by sound based on acoustic distance and multiple category competition. …”
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Nanofluidics and Nanofluids Shape Oscillation of a Single Microbubble in an Ultrasound Field by Xian Li, Fubing Bao, Yuebing Wang

“…According to the analyses of the shape oscillation process, the bubble deformation period is twice the driving acoustic pressure period and the shape oscillation is mainly caused by the change of interface velocity. …”
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Review of the Fundamental Measurement Modalities in Photoacoustic Mechanical Imaging by Xiaohan Shi, Jianqin Sun, Hua Yuan, Liming Li, Haiyang Zhang, Yue Zhao

“…Photoacoustic (PA) imaging is a non-invasive imaging technique with high optical resolution and acoustic penetration depth, which has been widely used in medical and clinical researches. …”
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