Fault Diagnosis Research on Impact System of Hydraulic Rock Drill Based on Internal Mechanism Testing Method by Yelin Li, Youxin Luo, Xiao Wu

“…At the same time, the mathematical method is used to deal with the test curve, and the influence of pressure pulsation characteristics of the front and rear chambers of the impact piston and the left and right valve chambers of the reversing valve on the impact performance of the rock drill is analyzed. …”
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Torsional Vibrations at Guide-Vane Shaft of Pump–Turbine Model by Andrej Predin

“…This article focuses on the problem of guide-vane vibrations of reversible pump–turbines, especially, in the pump mode. …”
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False Alarm Reduction in Self-Care by Personalized Automatic Detection of ECG Electrode Cable Interchanges by Jocelyne Fayn, Paul Rubel

“…Methods. We mathematically simulate the effect of the six pairwise reversals of the LA, RA, LL, and C2 electrodes on the three ECG leads I, II, and V2. …”
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A deep neural network for general scattering matrix by Jing Yongxin, Chu Hongchen, Huang Bo, Luo Jie, Wang Wei, Lai Yun

“…The scattering matrix is the mathematical representation of the scattering characteristics of any scatterer. …”
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Asymmetric-bifurcation snapping, all-or-none motion of Venus flytrap by Xiangli Zeng, Yingzhe Wang, Keisuke Morishima

“…To understand the mechanism underlying this asymmetrically reversible motion, a three-dimensional laser profiler was used to measure both static morphological information and dynamic movements (500 frames per second) of the Venus flytrap, including its rapid closure and slow re-opening. …”
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Characterizations of Lifetime Distributions Using Two Relative Reliability Measures by Ghadah Alomani, Mohamed Kayid

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Lie-symmetry analysis of a three dimensional flow due to unsteady stretching of a flat surface with non-uniform temperature distribution by Ghani Khan, Muhammad Safdar, Safia Taj, Adnan Munir, Muhammad Tauseef Nasir

“…Various mathematical frameworks have been developed to study dynamics of the fluid flow in stretching films. …”
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Asymmetric Response to Global Warming by Anatoliy Zhukov, Walery Zukow

“…Theoretical research methods included comparative analysis, mathematical calculations, and a systems approach to assessing climate change. …”
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Triaxial Compressive Failure Characteristics and Constitutive Model Study of Jurassic-Cretaceous Weakly Cemented Sandstone by Jinlong Cai, Wei Zou

“…When the load reached a critical value, the curve was reversely bent, resulting in volume expansion, whereas the peak strength, residual strength, and elastic modulus increased with confining pressure, and Poisson’s ratio decreased with the confining pressure. …”
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Activation of Human Neutrophils by the Anti-Inflammatory Mediator Esenbeckia leiocarpa Leads to Atypical Apoptosis by Rafael de Liz, Heros Horst, Moacir Geraldo Pizzolatti, Tânia Silvia Fröde, Denis Girard

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