-
181
Experimental research of single - rotor helicopter unintentional yaw rotation
Published 2020-04-01“…Aviation accidents related to unintentional rotation may periodically occur while flying single-rotor helicopters. On-time and correct actions may help the pilot to find the way out of this hazardous situation. …”
Get full text
Article -
182
Changes in air quality in Poland in 2020 in the context of the COVID-19 pandemic: spatial and seasonal analysis
Published 2025-08-01“…It is also worth noting that the pandemic's impact on air quality was seasonal, resulting from meteorological conditions such as temperature, humidity and wind speed. These conditions were crucial for the spread of pollutants and their concentration in different parts of the year. …”
Get full text
Article -
183
Effect of Lubricant Additives on the Oxidation Characteristics of Diesel Engine Particulate Matter
Published 2020-01-01“…When the torque was stable, as the rotating speed increased, the ignition temperature of the particulate matter of Fuel C increased initially and then declined. …”
Get full text
Article -
184
Enhanced PID for pedal vehicle force control using hybrid spiral sine-cosine optimization and experimental validation
Published 2025-09-01“…Future research will aim to enhance this approach by integrating vehicle speed control with advanced actuator and pedal force control systems. …”
Get full text
Article -
185
The program of physical training of servicemen to a qualification examination on the right to wear the “Beret with honors”
Published 2018-12-01“…Results: Use of the author's technique in 21 days of training allowed: to increase the level of the general endurance by 11,5%, the level of power endurance by 4,2%, the level of high-speed and power abilities and dexterity by 9,9%; the level of preparedness for aimed fire by 17,3%. …”
Get full text
Article -
186
The influence of special physical fitness of athletes on the level of technique of playing beach volleyball
Published 2021-12-01“…Significant (p <0.05) development of explosive power, speed and agility was revealed. There is a significant (p <0,05) increase: in the number of jump serve and spike; improving the quality/number of serve and attack; improving the quality of passing and the number of blocks. …”
Get full text
Article -
187
Experimental Investigation of the Dynamic Deformation of Wind Turbine Blades Based on 3D-Digital Image Correlation
Published 2024-12-01“…The experimental results show that the dynamic waving deformation of the blade shows the trend of increasing and then decreasing with the increase in wind turbine rotational speed and incoming wind speed, and when the rotational speed reaches 500 r/min and the incoming wind speed reaches 9 m/s, the blade deformation reaches the maximum value; the dynamic waving deformation of wind turbine blade decreases with the increase in the elastic modulus of the blade and the degree of the decrease decreases gradually; the dynamic deformation of is predicted by the multiple displacement distribution of different blades under different operating conditions, and is obtained by the fitting of the experimental data. …”
Get full text
Article -
188
Application of a Frequency Converter in Electric Automatic Control of Central Heating
Published 2022-01-01“…The experimental results show that the temperature control strategy using a frequency converter automatic compensation method reduces the energy waste caused by manual regulation to a certain extent. When the speed of a water pump motor decreases to 4/5 of the original, the power consumption will decrease to about 52% of the original and save about 48% of the power; When the speed drops by 3/5, the power consumption is about 22% of the original, saving about 78% of the power. …”
Get full text
Article -
189
The Strategic Communication Planning in an emergency at the Almirante Álvaro Alberto Nuclear Power Plant (CNAAA)
Published 2023-07-01“…In a world where information has a high speed of propagation and is present in the most diverse media, it is essential to follow the news in order to keep the population informed about the actions taken, the real risks and the consequences of an alleged nuclear accident. …”
Get full text
Article -
190
The influence of adaptive games on the psycho-emotional state of military personnel during rehabilitation
Published 2024-09-01“…According to the results of the study, it has been established that anxiety indicators have decreased, and indicators of performance, activity, mood and health have increased. In the course of determining the manifestation of a simple reaction of military personnel undergoing rehabilitation, it has been established that the use of adaptive games has a positive effect on the speed and accuracy of the sensorimotor reaction. …”
Get full text
Article -
191
Queue Formation and Obstacle Avoidance Navigation Strategy for Multi-Robot Systems Based on Deep Reinforcement Learning
Published 2025-01-01“…Upon successful formation training, a speed control mechanism is introduced to improve the stability of the queue during navigation, ensuring robots maintain uniform speed and formation while avoiding obstacles. …”
Get full text
Article -
192
Frequency-specific changes in prefrontal activity associated with maladaptive belief updating in volatile environments in euthymic bipolar disorder
Published 2025-01-01“…Additionally, we examined if this increased expectation speeds up belief updating in decision-making, associated with modulation of rhythmic neural activity within the prefrontal, orbitofrontal, and anterior cingulate cortex (PFC, OFC, ACC). …”
Get full text
Article -
193
Kinematic analysis of the back squat at different load intensities in powerlifters and weightlifters
Published 2024-10-01“…., 60%, 70%, 80%, 90%, 100%) of the 1-RM. An action camera recorded the execution of each BS trial in the sagittal plane and, afterward, the videos were analyzed by measuring the range of motion (ROM) of hip, knee, and ankle for the angular kinematics, and the timing, distances, speeds, and accelerations of the barbell for the linear kinematics.ResultsRegarding the angular kinematics, no significant differences were found in the parameters in the starting and ending positions among the 5 trials, while a significant decrease was found in the hip relative angle (p = 0.026) in the maximum flexion position as load intensity increased. …”
Get full text
Article -
194
PARAMETRIC SELF-EXCITATION OF CUTTING DYNAMIC SYSTEM
Published 2013-09-01“…It is also shown that through the parametric actions, with increase in cutting speed under the spindle row growth, there always exists critical frequency at which the system loses its stability.…”
Get full text
Article -
195
Is Brazil reaching malaria elimination? A time series analysis of malaria cases from 2011 to 2023.
Published 2024-01-01“…Trend analysis indicated a decreasing trend in all malaria infections since late 2017 (monthly reduction = 0.81%, p-value <0.05), while Pf infections have increased progressively since 2015 (monthly increase = 0.46%, p-value <0.05). …”
Get full text
Article -
196
A light-efficient and versatile multiplexing method for snapshot spectral imaging
Published 2024-07-01“…By spectrally separating the signal using lossless dichroic mirrors, a 16-fold increase in light-collection efficiency is gained (compared to past solutions), resulting in an equivalent increase in temporal resolution. …”
Get full text
Article -
197
INFLATION OF THE COMPETENCE-BASED APPROACH IN THE RUSSIAN PEDAGOGICAL SCIENCE AND PRACTICAL TEACHING
Published 2017-02-01“…The need of accurate localization of its content which provides speed of achievement of the required results and a possibility of their diagnostics is emphasized. …”
Get full text
Article -
198
Optical Study and Numerical Simulation of the Effect of n‐butanol Mass on the Combustion Process of a n‐butanol/Diesel Dual‐Fuel Engine
Published 2025-06-01“…This led to gradual increases in cylinder pressure and HRR. Emission analysis showed that n‐butanol introduction increased OH and HO2 radical concentrations, alongside elevated NOX and CO levels. …”
Get full text
Article -
199
COMPARISON OF THE COMPRESSIVE STRENGTH OF CONVENTIONAL AND RESIN-MODIFIED GLASS IONOMER CEMENTS
Published 2024-11-01“…The specimens (after 24 hours and 28 days) were loaded in an Instron mechanical testing machine in compression until failure. A crosshead speed of 1mm/min and load cell of 30kN was used to conduct the compressive strength test. …”
Get full text
Article -
200
Analysis of Normal Stopping Behavior of Drivers at Urban Intersections in China
Published 2022-01-01“…The main results indicate the following: (1) compare with free driving, the approach speed in the following state was lower, and following traffic also caused drivers with higher speeds to further increase reaction distance in high-density traffic. (2) Traffic density only affected the approach speed in the free-driving condition. …”
Get full text
Article