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69241
A Bursting Liability Evaluation Method Based on Energy Transfer
Published 2024-01-01“…The results show that the bursting energy index of coal is closely related to its mechanical parameters. The prepeak deformation energy exhibits a strong positive correlation with uniaxial compressive strength and peak strain. …”
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69242
Changes in Muscles and Tendons Due to Neural Motor Disorders: Implications for Therapeutic Intervention
Published 2001-01-01“…These primary ‘neurogenic’ symptoms often lead to secondary disabilities, muscle contractures, and tertiary effects, bone deformations. A common symptom of CP is hypertonia, with. the consequence that the involved muscles remain in an excessively shortened length for most of the time. …”
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69243
Investigation method of borehole collapse with the multi-field coupled model during drilling in clayey silt hydrate reservoirs
Published 2018-06-01“…The finite element model coupled seepage, deformation and heat transfer is developed, and borehole collapse investigation during the overbalanced drilling operation in hydrate-bearing sediment is carried out. …”
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69244
Optimization of a large-area grid electrode for negative ion source in fusion neutral beam injector
Published 2025-02-01“…First, the grid temperature, thermal stress and thermal deformation are compared with an inlet water rate of 1.21 kg/s at 35 °C, and the channel forming methods and welding types mechanisms are compared. …”
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69245
Effect on the Process of Biomethanogenesis of Pre-Treatment of Wheat Straw by the High Intensity High-Frequency Electromagnetic Field
Published 2025-02-01“…The purpose of the researches is the experimental determination of the effect of pre-treatment with the high-frequency electromagnetic field of high intensity on the appearance of deformations and structural rearrangements in the cells of wheat straw and on the intensity of biogas output.The set goal is achieved by the way of solving the following issues: obtaining chopped straw when it is grinding on a laboratory grinder to the fraction with average sizes of 5.2 mm x 1.5 mm and soaking in tap water for 15 minutes; measurement of distribution of the specific power of the electromagnetic field in the area where the samples of crushed wheat straw are located; comparison of images of the structure of straw under a light microscope for samples after influence by the high-frequency electromagnetic field of high intensity and control samples that were not exposed to such influence; carrying out fermentation experiments and researches of the process of biogas output within 20 days of a mixture of straw and inoculum for options with pre-treatment of wheat straw by the electromagnetic field of a Tesla’s transformer and without treatment by field. …”
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69246
Valve dysfunction in patients with cardiac myxomas: mechanism of damage and methods of correction
Published 2021-03-01“…The features of the long-term postoperative period in such patients include progressive valve dysfunction manifested by the progression of insufficiency due to further deformation of the valve apparatus. Conclusions. …”
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69247
Maternal exposure to tris (2-butoxyethyl) phosphate induces F0 female reproductive toxicity and offspring developmental toxicity in zebrafish
Published 2025-01-01“…In F1 larvae, a dose-dependent increase in developmental toxicity (decreased heart rate and swimming behavior, increased larval mortality, and deformity) was observed. Additionally, a notable reduction in protein level in eggs and the gene expression of both the hormone/insulin-like growth factor (GH/IGF) and hypothalamic-pituitary-thyroid (HPT) pathways were observed. …”
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69248
Application of minimally invasive debridement for deep second-degree facial burns in the early postburn phase
Published 2025-01-01“…Conclusions This research indicates that minimally invasive debridement during the early postburn stage can effectively reduce wound infection rates, shorten healing times, and minimize the occurrence of scar hyperplasia and contracture deformities. Therefore, minimally invasive dermabrasion is valuable in treating deep second-degree facial burn wounds.…”
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69249
Thermal Analysis and Structural Optimization of High-Efficiency Fuel Submersible Hot Water Machine
Published 2021-01-01“…The changes in the total deformation and strength of the flame tube under the thermal structure coupling were studied. …”
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69250
Analysis and Experimental Study on Bearing Temperature Rise of High Speed Machine Tools
Published 2023-09-01“…In high-speed machine tools, the friction heat of bearings will cause the deformation of the rolling body and the "burning shaft", which will reduce the fatigue life of bearings and affect the normal operation of equipment. …”
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69251
Simulation Analysis of a Multiple-Vehicle, High-Speed Train Collision Using a Simplified Model
Published 2018-01-01“…To solve the problems associated with multiple-vehicle simulations of railway vehicles including large scale modelling, long computing time, low analysis efficiency, need for high performance computing, and large storage space, the middle part of the train where no plastic deformation occurs in the vehicle body was simplified using mass and beam elements. …”
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69252
RESEARCH ON BENDING FATIGUE TEST BASED ON 42CRMO GEAR (MT)
Published 2023-01-01“…42CrMo is a kind of ultra-high strength steel, which has high strength, good hardenability and small deformation after quenching. It is widely used in driving materials such as large gears, bearing spindle and connecting rod used in traction. …”
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69253
Bifurcation Characteristics of Fundamental and Subharmonic Impact Motions of a Mechanical Vibration System with Motion Limiting Constraints on a Two-Parameter Plane
Published 2021-01-01“…Moreover, these two types of transition regions show some atypical partitioning and deformation due to the combined effects of impact vibrations at each constraint. …”
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69254
Effects of Environmental Variability on the Genus Olea L.
Published 2025-01-01“…In Azerbaijan, as well as on the Absheron Peninsula, the pressing problems of our time are climate change, emissions of harmful gases into the atmosphere, high temperatures, changes in groundwater levels, drought and suppression of local flora by introduced invasive species. Deformations of vegetative organs, developmental delays, premature transition to the generative phase, early aging, and infestation with various pests are observed in bioindication species sensitive to environmental changes. …”
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69255
Reduced basal motion responsible for 50 years of declining ice velocities on Athabasca Glacier
Published 2024-01-01“…Studies from the 1960s provide an in situ baseline dataset constraining ice deformation and basal motion. We use two complementary numerical flow models to investigate changes along a well-studied transverse profile and throughout a larger study area. …”
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69256
Influence of Hydrogen Content on the Microstructure and Mechanical Properties of ER5183 Wires
Published 2019-01-01“…At the same time, unstable crack propagation would occur during the process of plastic deformation, leading to fracture. Considering the mechanical properties and microstructure, the hydrogen content of the ER5183 wires should be controlled below 0.23 μg/g.…”
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69257
A multiscale model for heterogeneous tumor spheroid in vitro
Published 2018-03-01“…The ellipsoid-based discrete component is capable of incorporating mechanical effects and deformability, while keeping a minimum set of free variables to describe complex shape variations. …”
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69258
Effect of volume concentration and sonication time on the performance of a hybrid solar collector based hydrogen production system with hybrid nanofluid: An experimental investigat...
Published 2025-02-01“…While several approaches such as steam methane reforming, coal gasification, electrochemical methods, and thermochemical methods may be used for hydrogen generation, there has been a growing interest among scientists in solar energy-based hydrogen production over the last years. …”
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69259
Numerical Simulations of Fracture Propagation in Jointed Shale Reservoirs under CO2 Fracturing
Published 2019-01-01“…Based on the above, a damage-based coupled model of rock deformation and gas flow is used to simulate the fracturing process in jointed shale wells with CO2 fracturing. …”
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69260
A glance at the Ethiopian higher education from the developmental state perspective
Published 2023-06-01“…Over the past two decades there have been tremendous reforms that aimed at expanding and modernizing the higher education subsector so that it would make meaningful contributions for the country’s development. …”
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