Studies of the influence of the number of storeys of reinforced concrete frames on the degradation of natural frequencies and character of earthquake damage by O. V. Mkrtychev, R. A. Zaitsev

“…The calculation was carried out on a rigid base, taking into account physical, geometric and structural non-linearities. …”
Get full text

Damage constitutive model and mechanical properties of a concrete limestone composite after acid corrosion by Jie Wang, Bin Du, Mingxuan Shen, Yukun Li, Shisong Yuan

“…Abstract Long-term erosion by acidic solutions in karst regions leads to continuous deterioration of the physical and mechanical properties at the interfaces of engineering structures, adversely affecting their operational performance. …”
Get full text

Investigation of properties of chemical anchor on the basis of epoxy resin by V. A. Shvetsova, M. G. Kovalev

“…The glass transition temperature and physical and mechanical properties of the cured chemical anchor were determined. …”
Get full text

Effect of annealing on the tribological behavior of Zr-based bulk metallic glass by Hsu-Ming Lien, Nicolás Molina, Aisha Lizaola, Michael Chandross, Filippo Mangolini

Get full text

Role of hole depth on mechanical behavior and acoustic emission characteristics of pre-drilled sandstone by Jiahan Liu, Ruide Lei, Ruide Lei

“…With the increase of hole depth, the peak elastic energy of the sample decreases from 29.81 kJ/m3 to 22.65 kJ/m3, and the dissipated energy increases from 4.48 kJ/m3 to 6.25 kJ/m3. …”
Get full text

Dynamic structural characteristics and vibration susceptibility of Tongren loess under the influence of water content and confining pressure by Changbao Guo, Sanshao Ren, Yinlong Tan, Yaqi Shen

“…Based on field geological surveys and physical property analysis of the loess in this area, this study analyzes the influence of water content, consolidation pressure, and soil disturbance on the dynamic characteristics of loess using GDS dynamic triaxial tests. …”
Get full text

Sugarcane Bagasse-Derived Cellulose Nanocrystal/Polyvinyl Alcohol/Gum Tragacanth Composite Film Incorporated with Betel Leaf Extract as a Versatile Biomaterial for Wound Dressing by Luong Ngoc Diem, Selorm Torgbo, Indranil Banerjee, Kunal Pal, Udomlak Sukatta, Prapassorn Rugthaworn, Prakit Sukyai

“…The presence of GT and CNCs in the polymer matrix improved the characteristics of films as evident in the prolonged stability for 7 days and increased mechanical properties. The highest elastic modulus of 1526.11 ± 31.86 MPa and tensile strength of 80.39 MPa were recorded in PVA/GT/CNC2 film. …”
Get full text

Peculiarities of acoustic diagnostic methods in pediatric practice (literature review, own research) by Yu.V. Marushko, O.V. Khomych

“…Diseases of the respiratory system are among the most common among the population of different age categories. Sound, as a physical phenomenon, is the propagation of longitudinal elastic waves in a medium, for example, in the air. …”
Get full text

Stability Analysis of “Support-Surrounding Rock” System for Fully Mechanized Longwall Mining in Steeply Dipping Coal Seams by Shenghu Luo, Tong Wang, Yongping Wu, Jingyu Huangfu

“…Considering the floor as an elastic foundation, we built a “support-surrounding rock” mechanical model using data obtained on support-surrounding rock systems in different regions and the laws of support motion under different load conditions. …”
Get full text

Effects of an 8-week pre-season targeted training on sprinting performance, agility and lower limb muscular asymmetries in elite soccer players by Artur Gołaś, Przemysław Pietraszewski, Robert Roczniok, Artur Terbalyan, Adam Maszczyk, Rafał Opaliński, Adam Zając

“…EMG was measured bilaterally from the quadriceps, hamstrings, and gluteal muscles with shorts made of knitted fabric similar to elastic clothes. Athletes in the experimental group performed sport-specific targeted strength training based on movement patterns 4 times per week (Monday, Tuesday, Thursday, and Friday). …”
Get full text

Interindividual Variability Response to Resistance and High-Intensity Interval Training on Blood Pressure Reduction in Hypertensive Older Adults by Johnattan Cano-Montoya, Nicolas Hurtado, Carolina Núñez Vergara, Sebastián Báez Vargas, Marcela Rojas-Vargas, Sergio Martínez-Huenchullán, Cristian Alvarez, Mikel Izquierdo

Get full text

The evolution process between the earthquake swarm beneath the Noto Peninsula, central Japan and the 2024 M 7.6 Noto Hanto earthquake sequence by Zhigang Peng, Xinglin Lei, Qing-Yu Wang, Dun Wang, Phuc Mach, Dongdong Yao, Aitaro Kato, Kazushige Obara, Michel Campillo

“…Several physical mechanisms of earthquake nucleation, such as pre-slip, cascade triggering, aseismic slip, and fluid-driven models, have been proposed. …”
Get full text

Analysis of the Influence of Upper Protective Layer Mining on the Effect of Pressure Relief and Protection of Coal and Rock Masses between the Lower Overburden Layers by Jiaxin Dang, Min Tu, Xiangyang Zhang, Qingwei Bu

“…The elastic modulus E of coal seam and interbed spacing H are the main influencing factors of the swelling deformation and are negatively correlated with the expansion ratio. …”
Get full text

Movement Laws of Overlying Strata above a Fully Mechanized Coal Mining Face Backfilled with Gangue: A Case Study in Jiulishan Coal Mine in Henan Province, China by Zhengkai Yang, Zhiheng Cheng, Zhenhua Li, Chunyuan Li, Lei Wang, Shuaifeng Yin, Jinhu Zhang

“…Gangue backfilling can effectively control movement of overlying strata and surface subsidence tends to be stable with the increase of elastic modulus of gangue.…”
Get full text

Sensory and Lipid Profile Optimization of Functional Brownies Through Cold-Pressed Nut Oil Substitution for Butter by Elena Martínez, José Emilio Pardo, Manuel Álvarez-Ortí, M. Esther Martínez-Navarro, Adrián Rabadán

“…This study evaluated the effects of replacing butter, rich in saturated fats, partially (50%) and totally (100%) with nut oils (almond, pistachio, and walnut) on the physical, nutritional, and sensory properties of chocolate brownies. …”
Get full text