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261
A new method for the synthesis of 4-aminobenzoic acid – an intermediate for the production of procaine
Published 2022-08-01“…The addition of potassium bromide to the solution reduced the concentration of the catalyst by seven times and increased the reaction rate and yield of 4-nitrobenzoic acid to 95.6 %. …”
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262
The Fire Behaviour of Fabrics Containing Dried Emollient Residues
Published 2025-03-01“…Horizontal burn tests with a direct flame on 100% cotton fabric (114 ± 1 g/m<sup>2</sup>) displayed an accelerated mean flame speed from 0.0032 to 0.0048 ms<sup>−1</sup> and an increased maximum flame height of 56.6 to 175.4 mm for emollient-contaminated fabrics. …”
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263
Thermal and electronic transport properties of ACrX2 superionic conductors (A=Cu, Ag and X=S, Se)
Published 2025-01-01“…A -site disorder, microstructure, speed of sound and chemical composition) on the thermal conductivity of the compounds CuCrS _2 , CuCrSe _2 , AgCrS _2 and AgCrSe _2 . …”
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264
Multi-objective trajectory planning for connected and autonomous vehicles in mixed traffic flow
Published 2025-06-01“…Here, we design the state space, action space, and reward function, where the state space encompasses variables such as speed, relative speed, distance to the stop line, relative position, phase state, and remaining phase duration, and the action space outputs optimal acceleration and deceleration. …”
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265
Numerical simulation of respirable dust transport law in fully mechanized excavation face
Published 2025-06-01“…When the air flow field is far away from the tunneling surface and without the obstruction of the tunneling machine, the airflow field diffuses and the wind speed decreases, but a large number of particles still float in the roadway for a long time and are difficult to settle due to the small particle size of the exhaled dust.…”
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266
Automated Control System for Drum-Type Biofermenter
Published 2025-07-01“…Modern production increasingly relies on the implementation of automated control systems to improve the efficiency, precision, and safety of technological processes. …”
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267
Interleukin-20 Acts as a Promotor of Osteoclastogenesis and Orthodontic Tooth Movement
Published 2021-01-01“…In vivo analysis showed that OTM speed was significantly increased after intraperitoneal injection of IL-20; additionally, mechanical stress sensing proteins were markedly activated. …”
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268
Release of Zinc, Manganese and Magnesium from Mg-Zn-Mn-Al-LDH: Effect of Malic Acid and Divalent to Trivalent Cation Ratios in Mineral Structure
Published 2024-09-01“…Then, the supernatant solution was separated using a centrifuge at a speed of 4000 rpm for 20 min. Zn, Mn, and Mg concentrations in supernatants solutions were determined by graphite furnace atomic absorption spectrophotometry. …”
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269
Research on optimizing the scope of impact considering decomposition products in the event of a nitric acid spill chemical accident
Published 2024-12-01“…As the size of the chemical industry increases, chemical accidents continue to occur as the handling volume of chemicals also increases. …”
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270
Effects of dual-task exercises on cognitive status, disease activity and quality of life in childhood-onset systemic lupus erythematosus
Published 2025-06-01“…Objective Many patients with childhood-onset systemic lupus erythematosus (cSLE) suffer from cognitive dysfunction that seriously affects their quality of life, attention, visual and speech memory, motor function, reaction speed and motor perception and physical activity. …”
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271
Cognitive profile of patients with depressive disorders and its significance for antidepressant therapy and social functioning
Published 2018-07-01“…The study of patients cognitive functioning included testing of memory (memory for faces), attention (the Landolt broken ring test), reaction speed (the simple sensorimotor reaction), psychomotor functioning (the finger-tapping test) and executive functions (the Stroop test, the reaction to a moving object). …”
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272
Effect of Adsorption of Metal Elements Ni and V on the Structure of Humin
Published 2023-06-01“…The dried samples (numbered as HM-Ni and HM-V) and the original humin sample (numbered HM) are analyzed by element analyzer, X-ray photoelectron spectroscopy (XPS) and solid-state nuclear magnetic resonance carbon spectroscopy (13C-NMR).RESULTSThe results show that the elemental composition of humin is mainly C and O. After the action of Ni and V metal solutions, the relative contents of O and S elements in humin decrease, and the relative contents of C and N elements increase. …”
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273
Dynamic Response and Anti-Collapse Analysis of Multi-Column Demolition Mode in Frame Structures
Published 2025-05-01“…Through the simulation verification of a multi-story frame structure, the dynamic response law under each column removal condition was obtained: with the increase in the number of columns removed, the collapse speed of the building structure and the dynamic response to the remaining structure are enhanced; as the failure column is closer to the center of the structure, the force transmission path of the surrounding structure becomes greater, the resistance provided by the structure increases, the collapse speed becomes slower, the dynamic response range increases, and the progressive collapse of the peripheral column is caused when multiple columns are removed. …”
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274
Comparison of continuous and intermittent treatment of patients with knee osteoarthritis with combined drug “Teraflex”
Published 2008-06-01“…At three months not only pain but also stiffness, joint function, WOMAC summated index and walking speed significantly improved in both groups. This improvement was maintained till the end of treatment in both groups. …”
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275
Providing a customer satisfaction model of non-attendance services in the social security organization
Published 2024-11-01“…In this way, a suitable background can be provided for the development and diversification of service delivery methods (Iglesias et al, 2017). With the ever-increasing expansion of the field of e-commerce, the speed of providing services to customers and the quality of services have also increased, causing companies to have more control over quality components to ensure the accuracy and timeliness of delivery of goods and to be able to respond to the growing needs of customers and satisfy them (Zalkani Andarvar, 2021). …”
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276
Improvement of management by training process of boxers at a stage of direct preparation for competitions
Published 2013-12-01“…The estimation of training impulse is conducted - integral index of reaction of the cardiorespiratory system. Trainings employments were standardized on duration (40 minutes) and orientation on development speed-power qualities, endurance. …”
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277
Soret and nonuniform heat source/sink effects in micropolar nanofluid flow over an inclined stretching sheet
Published 2025-05-01“…The results demonstrate that an increase in the magnetic field strength reduces the fluid velocity, while changes in material properties can lead to higher fluid speeds. …”
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278
Study on suppression effect and mechanisms of phosphorus-containing recycling substance on flame propagation of methane/coal dust composite explosion
Published 2025-03-01“…The experimental results indicate that the addition of S-MAP can significantly reduce flame propagation speed, height, and brightness. With the increase of S-MAP addition ratio, the flame propagation height decreased from over 900 mm to 134 mm, and the average flame propagation speed decreased from 8.76 mm/ms to 0.51 mm/s. …”
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279
Dynamic interaction between the two-axle vehicle and continuous girder bridge with considering vehicle braking force
Published 2014-02-01“…The model of a two-axle vehicle consists of three masses, taking into account the inertia force and friction force between the tires and the bridge surface due to vehicle braking. Vertical reaction forces of axles which change with time make bending vibration of beam increase significantly. …”
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280
Sensorless Auto Commissioning of the Position Phase Shift Compensation in Permanent Magnet Machines
Published 2016-05-01“…The procedures includes the sensorless automatic calculation of the mechanical parameters of the motor drive passing through the sensorless automatic design of the sensorless speed controller and the mechanical observer and finally the sensorless automatic compensation of the error between the tracked saturation saliency position and the real rotor position in the permanent magnet machines due to the armature reaction based on a new technique depends on injecting a pulse of current in the d_axis, the change in the current in q_axis will depend on the error between the saturation saliency position and the real rotor position. …”
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