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Journal articles on the topic 'Relative puese duration of the control signal'

Author: Grafiati

Published: 30 May 2022

Last updated: 31 July 2025

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1

Mironovsky, Leonid, Tatiana Solov’eva, and Dmitry Shintyakov. "Fault detection optimization for controllable dynamic systems." Information and Control Systems, no. 6 (January 16, 2020): 12–21. http://dx.doi.org/10.31799/1684-8853-2019-6-12-21.

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Introduction: When diagnosing the deviations of controllable dynamic system parameters, it is convenient in terms of control simplicity to apply the Schreiber method which uses a set of rectangular pulses of equal duration as a test signal. Since for a single object you can construct many test signals which differ in the number of pulses, the problem arises how to minimize the number of test pulses when using the Schreiber method. Purpose: Simplification of test control and diagnostics of linear controllable dynamic systems. Results: It has been shown that a set of test pulse amplitude vectors

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Xue, Bing, Yuuki Tamaru, Yuxi Fu, et al. "Fully stabilized multi-TW optical waveform synthesizer: Toward gigawatt isolated attosecond pulses." Science Advances 6, no. 16 (2020): eaay2802. http://dx.doi.org/10.1126/sciadv.aay2802.

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A stable 50-mJ three-channel optical waveform synthesizer is demonstrated and used to reproducibly generate a high-order harmonic supercontinuum in the soft x-ray region. This synthesizer is composed of pump pulses from a 10-Hz repetition-rate Ti:sapphire pump laser and signal and idler pulses from an infrared two-stage optical parametric amplifier driven by this pump laser. With full active stabilization of all relative time delays, relative phases, and the carrier-envelope phase, a shot-to-shot stable intense continuum harmonic spectrum is obtained around 60 eV with pulse energy above 0.24 μ

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Myroslav, Tykhan, Repetylo Taras, Kliuchkovskyi Serhii, and Markina Olha. "CONSTRUCTION AND INVESTIGATION OF A METHOD FOR MEASURING THE NON-STATIONARY PRESSURE USING A WAVELET TRANSFORM." Eastern-European Journal of Enterprise Technologies 1, no. 5 (97) (2019): 28–34. https://doi.org/10.15587/1729-4061.2019.156959.

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Automated control systems badly need measurements of fast-changing non-stationary physical quantities in real time, or close to that. In this area, there is a separate group of tasks on measuring the non-stationary pressure in liquids and gases. This paper demonstrates that measuring the non-stationary pressure in real time, or close to that, represents a problem on restoring an input signal, which, in terms of mathematics, belongs to the class of ill-posed problems (according to J. Hadamard). We have derived a solution to the inverse problem of measurement that is based on a mathematical mode

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Mykhalevych, Mykola. "Optimization control actions on electropneumatic valve of actuator of clutch control." Bulletin of Kharkov National Automobile and Highway University, no. 93 (May 27, 2021): 128–35. http://dx.doi.org/10.30977/bul.2219-5548.2021.93.0.128.

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Electropneumatic valves are a key element of the electropneumatic clutch control system for vehicles of categories N3 and M3. The speed and accuracy of the clutch control system depend on their parameters. When the operating conditions of the solenoid valve change, its initial parameters also change, even before the loss of serviceability. Goal. The goal of the work is to form dependencies that determine the parameters of the control signal for the clutch control system of vehicles of categories M3 and N3 in the conditions of change of supply voltage, pressure drop on the valve and ambient tem

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Hock, Vincent F., Orange Marshall, Michael McInerney, and Sean Morefield. "Electro-Osmotic Pulse Technology for Corrosion Prevention and Control of Water Intrusion in Below Grade Concrete Structures." Advanced Materials Research 38 (March 2008): 79–87. http://dx.doi.org/10.4028/www.scientific.net/amr.38.79.

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In below-grade buildings and buried structures, such as those constructed as hardened secure facilities and used for munitions storage on U.S. Army installations, water intrusion can cause serious damage and reduce penetration resistance. Inside the building active water and high humidity can result in corrosion of HVAC, electronic equipment, as well as damage or disrupt mission critical electronic equipment. In the adjacent backfill and the structure itself, excessive water can seriously compromise the structural hardening of the facility. Thus, it is vital to Army sustainability to control m

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Zhao, Peng, Zhensen Wu, Yushi Zhang, and Dong Zhu. "Analysis of the Influencing Factors on S-Band Sea Spikes." Electronics 11, no. 24 (2022): 4225. http://dx.doi.org/10.3390/electronics11244225.

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While detecting targets on the sea by radar that looks downward, sea spikes similar to the target echoes cause false alarms, especially at low grazing angles. To suppress the interference of sea spikes on target detection, it is important to study the factors influencing the occurrence probability of sea spikes during radar inspections. Based on measured sea clutter data, this study uses the amplitude threshold, duration time, and interval time to identify sea spikes from sea clutter and uses the pulse number per unit time to characterize their occurrence probability. The influences of the gra

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Danilov, V. N., and V. M. Ushakov. "CALCULATION OF PULSE ECHO SIGNALS WHEN CHANGING THE POSITION OF THE NORMAL PROBE RELATIVE TO THE STRATIFICATION IN THE METAL." Kontrol'. Diagnostika, no. 321 (March 2025): 14–20. https://doi.org/10.14489/td.2025.03.pp.014-020.

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A computer simulation of the amplitude change of the pulsed echo signal of a normal probe from a reflector in the form of a strip simulating a stratification in metal, the plane of which is parallel to the control surface, depending on the distance between the axis of the probe and the normal to the surface of the reflector in its center. The calculations used radiated pulses of various durations ‒ long, medium length and short. The expediency of using medium-length pulses has been established. The estimation of the linear conventional length of the stratification model by the method of reduci

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Krogerus, Tomi R., and Kalevi J. Huhtala. "Diagnostics and Identification of Injection Duration of Common Rail Diesel Injectors." Open Engineering 8, no. 1 (2018): 1–6. http://dx.doi.org/10.1515/eng-2018-0001.

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Abstract In this paper, we study the diagnostics and identification of injection duration of common rail (CR) diesel pilot injectors of dual-fuel engines. In these pilot injectors, the injected volume is small and the repeatability of the injections and identification of the drifts of the injectors are important factors, which need to be taken into account in achieving good repeatability (shot-to-shot with every cylinder) and therefore a well-balanced engine and reduced overall wear. A diagnostics method based on analysis of CR pressure signal with experimental verification results is presente

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Chen, Jiayin, Candong Liu, and Ruxin Li. "Valley-Selective Polarization in Twisted Bilayer Graphene Controlled by a Counter-Rotating Bicircular Laser Field." Photonics 10, no. 5 (2023): 516. http://dx.doi.org/10.3390/photonics10050516.

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The electron valley pseudospin in two-dimensional hexagonal materials is a crucial degree of freedom for achieving their potential application in valleytronic devices. Here, bringing valleytronics to layered van der Waals materials, we theoretically investigate lightwave-controlled valley-selective excitation in twisted bilayer graphene (tBLG) with a large twist angle. It is demonstrated that the counter-rotating bicircular light field, consisting of a fundamental circularly-polarized pulse and its counter-rotating second harmonic, can manipulate the sub-cycle valley transport dynamics by cont

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Popesco, Timothée, Quentin Gardet, Jonathan Bossard, Nicola A. Maffiuletti, and Nicolas Place. "Effects of pulse width and frequency on evoked responses in electrostimulation: comparison between three muscle groups." Current Issues in Sport Science (CISS) 9, no. 2 (2024): 022. http://dx.doi.org/10.36950/2024.2ciss022.

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Introduction Neuromuscular electrical stimulation (NMES) is an innovative and effective (re)training strategy to improve or restore neuromuscular function (Maffiuletti et al., 2018). Contractions induced by NMES differ in many aspects from voluntary contractions, as motor unit (MU) recruitment is random, synchronous and spatially fixed (mostly superficial; Maffiuletti, 2010). Consequently, several limitations, such as higher fatigability (Vanderthommen et al., 1999) and discomfort (Delitto et al., 1992) might restrain its clinical implementation. The use of specific stimulation parameters may

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Tobalske, B. "Neuromuscular control and kinematics of intermittent flight in the European starling (Sturnus vulgaris)." Journal of Experimental Biology 198, no. 6 (1995): 1259–73. http://dx.doi.org/10.1242/jeb.198.6.1259.

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Electromyographic (EMG) and kinematic data were collected from European starlings (Sturnus vulgaris) flying at a range of speeds from 8 to 18 m s-1 in a variable-speed windtunnel. Their flight at all speeds consisted of alternating flapping and non-flapping phases. Wing postures during non-flapping phases included glides, partial-bounds and bounds. Glides were performed proportionally more often within each speed and were longer in duration than either of the other two non-flapping postures, but the percentage of bounds increased markedly with increasing flight speed. The shift from flap-glidi

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Gu, Penghao, J. A. Leonovets, and A. A. Lobaty. "Forced Quadcopter Control." Science & Technique 22, no. 2 (2023): 91–95. http://dx.doi.org/10.21122/2227-1031-2023-22-2-91-95.

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The problem of analytical synthesis of the control acceleration of an unmanned aerial vehicle (UAV) of a multirotor type is being solved in relation to a light quadrocopter with a high flight duration. The optimal control is analytically determined for a given minimized quality functional in the form of the minimum time required to transfer the UAV from a given initial to a given final position in space. A mathematical model of the movement of the UAV mass center in a given plane relative to the earth's surface is considered. A feature of the proposed technique is the solution of the problem o

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McClean, Michael D., and Stephen M. Tasko. "Association of Orofacial Muscle Activity and Movement During Changes in Speech Rate and Intensity." Journal of Speech, Language, and Hearing Research 46, no. 6 (2003): 1387–400. http://dx.doi.org/10.1044/1092-4388(2003/108).

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Understanding how orofacial muscle activity and movement covary across changes in speech rate and intensity has implications for the neural control of speech production and the use of clinical procedures that manipulate speech prosody. The present study involved a correlation analysis relating average lower-lip and jaw-muscle activity to lip and jaw movement distance, speed, and duration. Recordings were obtained on orofacial movement, muscle activity, and the acoustic signal in 3 normal speakers as they repeated a simple test utterance with targeted speech rates varying from 60% to 160% of th

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Achuff, Barbara-Jo, Jameson C. Achuff, Hwan H. Park, et al. "Epinephrine syringe exchange events in a paediatric cardiovascular ICU: analysing the storm." Cardiology in the Young 28, no. 3 (2017): 409–15. http://dx.doi.org/10.1017/s1047951117002232.

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AbstractIntroductionHaemodynamically unstable patients can experience potentially hazardous changes in vital signs related to the exchange of depleted syringes of epinephrine to full syringes. The purpose was to determine the measured effects of epinephrine syringe exchanges on the magnitude, duration, and frequency of haemodynamic disturbances in the hour after an exchange event (study) relative to the hours before (control).Materials and methodsBeat-to-beat vital signs recorded every 2 seconds from bedside monitors for patients admitted to the paediatric cardiovascular ICU of Texas Children’

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Savchenko, V. V., and A. V. Savchenko. "Measurements method of the audio recordings acoustic quality indicator prepared for registration and processing in the Unified Biometric System." Izmeritel`naya Tekhnika, no. 12 (2019): 40–46. http://dx.doi.org/10.32446/0368-1025it.2019-12-40-46.

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We consider the task of automated quality control of sound recordings containing voice samples of individuals. It is shown that in this task the most acute is the small sample size. In order to overcome this problem, we propose the novel method of acoustic measurements based on relative stability of the pitch frequency within a voice sample of short duration. An example of its practical implementation using aninter-periodic accumulation of a speech signal is considered. An experimental study with specially developed software provides statistical estimates of the effectiveness of the proposed m

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Bachman, Thomas Edward, and Karel Roubik. "FREQUENCY AND DURATION OF OXIMETER DROP-OUTS IN THE NICU: AN OBSERVATIONAL STUDY." Lékař a technika - Clinician and Technology 50, no. 1 (2020): 12–15. http://dx.doi.org/10.14311/ctj.2020.1.02.

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Oximeters used for continuous monitoring experience periods with no signal. This SpO2drop-out is widely acknowledged and its causes generally understood. This is a prospectively designed analysis of an existing database with the aim of characterizing drop-outs as experienced in the neonatal ICU. The data reflects 116 days of monitoring in seven tertiary care neonatal ICUs in 6 countries. From the evaluation of 1,396 drop-outs we found that typically the time was minimal with missing SpO2 data, and the episodes were short (median 2.79 minutes per day IQR 0.17-76, median 22 seconds IQR: 15-37, r

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Murphy, Patricia J., and Scott S. Campbell. "Enhancement of REM sleep during extraocular light exposure in humans." American Journal of Physiology-Regulatory, Integrative and Comparative Physiology 280, no. 6 (2001): R1606—R1612. http://dx.doi.org/10.1152/ajpregu.2001.280.6.r1606.

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This study examined the effects on sleep of light administered to an extraocular site. A 3-h photic stimulus was applied to the popliteal region during sleep in 14 human subjects. Each subject also underwent a control stimulus condition during a separate laboratory session. The proportion of rapid eye movement (REM) sleep during the 3-h light administration session increased by an average of 31% relative to the control condition. The frequency but not the duration of REM episodes was altered during light exposure, thereby shortening the REM/non-REM (NREM) cycle length. No other sleep stages we

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Chen, Yingrui, Linqian Cai, and Yuxian Xu. "Effect of simvastatin on brain-derived neurotrophic factor (BDNF)/TrkB pathway in hippocampus of autism rat model." Tropical Journal of Pharmaceutical Research 22, no. 5 (2023): 1001–6. http://dx.doi.org/10.4314/tjpr.v22i5.10.

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Purpose: To study the effect of simvastatin on behavioral performance in a rat model of autism, and its effect on hippocampal brain-derived BDNF-TrkB pathway. Methods: Twelve rats with valproic acid (VPA)-induced autism were randomly divided into model group and simvastatin group, while six healthy rats served as normal control group. Rats in the simvastatin group received the drug (5 mg/kg) via i.p. route, while rats in model group and normal control group were injected with equivalent volume of normal saline in place of simvastatin. Capacity for interaction and repetitive stereotyped b

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19

Scarpace, Philip J., Michael Matheny, Yi Zhang, et al. "Leptin-Induced Leptin Resistance Reveals Separate Roles for the Anorexic and Thermogenic Responses in Weight Maintenance." Endocrinology 143, no. 8 (2002): 3026–35. http://dx.doi.org/10.1210/endo.143.8.8966.

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Abstract The purpose of this study was to determine whether leptin induces leptin resistance by examining the temporal attenuation of the anorexic and energy expenditure responses to leptin. We administered recombinant adeno-associated virus encoding rat leptin cDNA or control viral vector into mildly obese rats for 138 d and compared these results with those from pair-fed rats. We measured food consumption, body weight, oxygen consumption, leptin signal transduction, and brown adipose tissue uncoupling protein 1. The anorexic response attenuated by d 25, whereas the increase in energy expendi

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Akinin, K. P., and V. G. Kireyev. "TWO- DEGREE-OF-FREEDOM ELECTRIC MACHINE AND ITS OPERATION MODES." Praci Institutu elektrodinamiki Nacionalanoi akademii nauk Ukraini 2023, no. 65 (2023): 145–54. http://dx.doi.org/10.15407/publishing2023.65.145.

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This paper is devoted to the problems of developing an electric machine with two-degrees-of-freedom (2-DOF) of rotor movement and its control system. The structure of the machine with the possibility of rotation of the rotor along two angular coordinates in a limited range of rotation angles is considered. The machine is designed to control the position of the axis of the optical beam along the line and frame trajectories. Based on the electrodynamic state model of the 2-DOF electric machine, a block diagram of the servo system was developed to control the trajectory of the rotor in two coordi

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21

Fleming, Justin T., and Matthew B. Winn. "Strategic perceptual weighting of acoustic cues for word stress in listeners with cochlear implants, acoustic hearing, or simulated bimodal hearing." Journal of the Acoustical Society of America 152, no. 3 (2022): 1300–1316. http://dx.doi.org/10.1121/10.0013890.

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Perception of word stress is an important aspect of recognizing speech, guiding the listener toward candidate words based on the perceived stress pattern. Cochlear implant (CI) signal processing is likely to disrupt some of the available cues for word stress, particularly vowel quality and pitch contour changes. In this study, we used a cue weighting paradigm to investigate differences in stress cue weighting patterns between participants listening with CIs and those with normal hearing (NH). We found that participants with CIs gave less weight to frequency-based pitch and vowel quality cues t

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Cao, Xueqin, Bo Jiao, Donglin Wen, et al. "Evaluation of the correlation of dorsal root ganglia and spinal nerves with clinical symptoms in patients with postherpetic neuralgia using magnetic resonance neurography." PeerJ 11 (August 31, 2023): e15998. http://dx.doi.org/10.7717/peerj.15998.

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Purpose To assess changes of dorsal root ganglia (DRG) and spinal nerves in patients with postherpetic neuralgia (PHN), and investigate the correlation between DRG morphology and clinical symptoms in PHN patients using magnetic resonance neurography (MRN). Methods In this case-control study, forty-nine lesioned DRG in 30 patients and 49 normal DRG in 30 well-matched (age, sex, height, weight) healthy controls were assessed. Clinical symptoms of patients (pain, allodynia, itching, and numbness) were assessed. MRN features (DRG volume (VDRG), the largest diameter (Dmax) of spinal nerves, signal

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Shemyakin, A. N., M. Yu Rachkov, N. G. Solovyov, M. Yu Yakimov та M. A. Kotov. "Dynamic Characteristics Determination of the Radiation Power Control System for the Industrial CO2 Laser Excited by а Nonself-Sustained Glow Discharge". Mekhatronika, Avtomatizatsiya, Upravlenie 24, № 4 (2023): 199–205. http://dx.doi.org/10.17587/mau.24.199-205.

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In the article, an automatic system for radiation power control of lasers excited by а nonself-sustained glow discharge is studied using industrial lasers of the Lantan series as an example. They are designed for cutting, welding and surface modification of various materials as part of laser machines. The power of laser radiation is one of the most important parameters of a laser that determines its technological capabilities. The radiation power is controlled by changing the ionization pulses frequency of high voltage pulses with duration of 100 ns, given with a frequency of 1-5 kHz. The step

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Sadauskas, Edvardas, and Bronius Baksys. "Peg-bush alignment under elastic vibrations." Assembly Automation 34, no. 4 (2014): 349–56. http://dx.doi.org/10.1108/aa-05-2014-031.

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Purpose – The paper aims to theoretically and experimentally investigate vibratory peg-bush alignment using elastic vibrations of the peg, when the peg is axially excited by a pressed piezoelectric vibrator on the upper end. Design/methodology/approach – Experimental research of part alignment using elastic vibrations was performed and dependencies of alignment duration on excitation signal parameters and initial pressing force were defined for rectangular and circular cross-section parts. Mathematical model of two-mass dynamic systems with elastic contact model representing alignment process

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Mayorov, Boris. "Properties of Harmonic and Composite Half-Waves, Determination of the Uniform Time Sampling Interval of Digital Signal Processors." Informatics and Automation 21, no. 1 (2021): 95–125. http://dx.doi.org/10.15622/ia.2022.21.4.

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When building autonomous real-time systems (RTS), it is necessary to solve the problem of optimal multitasking loading of a number of parallel functioning digital signal processors. One of the reserves for achieving the desired result is the implementation of samples from the sensor signals of information about the magnitude of the signal most rarely in time. In this case, it is necessary to provide a linear or stepwise approximation of the signal by samples with an acceptable reconstruction error. One of the system tasks of these processors is filtering signals or limiting the spectrum to the

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Morkun, V. S., N. V. Morkun, V. V. Tron, O. Y. Serdiuk, and A. A. Haponenko. "Using nonlinear ultrasonic measurements to estimate parameters of the sedimentation of slurry solid phase in thickener." Naukovyi Visnyk Natsionalnoho Hirnychoho Universytetu, no. 2 (April 30, 2023): 47–52. http://dx.doi.org/10.33271/nvngu/2023-2/047.

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Purpose. Improvement of the method for estimating sedimentation process parameters of the slurry solid phase particles in thickener on the basis of measurements of the nonlinear characteristics of ultrasonic waves propagating in a controlled medium. Methodology. The following methods were used: analysis of scientific results and practical developments; methods of mathematical statistics for evaluating the results of experiments; methods of analytical synthesis; methods of numerical modeling for the synthesis and analysis of a mathematical model. Findings. It was established that the nonlineari

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Burminskiy, D. S., M. A. Morozova, E. Yu Nikonova, et al. "Impaired Impulse Control in Patients with Paranoid Schizophrenia in a State of Long-Term Drug Remission (Exploratory Research)." Psychiatry (Moscow) (Psikhiatriya) 22, no. 5 (2025): 59–67. https://doi.org/10.30629/2618-6667-2024-22-5-59-67.

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Background: Currently, many researchers suggest that for patients with schizophrenia, impulsivity more often manifests in the form of impairment of the control of the impulse of action. The most widely used instrument for research of this disorder is the Go/No-Go test. There is evidence that the indicator of this test in patients with schizophrenia shows not only increased impulsivity, but also increased auto- and heteroaggression. In this regard, the study of this aspect of impulsivity seems relevant in patients with schizophrenia. The aim of the study: to assess the severity of violations of

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Lunsford, Elias T., Dimitri A. Skandalis, and James C. Liao. "Efferent modulation of spontaneous lateral line activity during and after zebrafish motor commands." Journal of Neurophysiology 122, no. 6 (2019): 2438–48. http://dx.doi.org/10.1152/jn.00594.2019.

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Accurate sensory processing during movement requires the animal to distinguish between external (exafferent) and self-generated (reafferent) stimuli to maintain sensitivity to biologically relevant cues. The lateral line system in fishes is a mechanosensory organ that experiences reafferent sensory feedback, via detection of fluid motion relative to the body generated during behaviors such as swimming. For the first time in larval zebrafish ( Danio rerio), we employed simultaneous recordings of lateral line and motor activity to reveal the activity of afferent neurons arising from endogenous f

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Filippov, Boris I. "THE CHOICE OF SIGNALS FOR HYDROACOUSTIC NAVIGATION SYSTEM OF TRANSFORMATION UNDERWATER APPARATUS TO DOCKING MODULE." T-Comm 15, no. 6 (2021): 56–64. http://dx.doi.org/10.36724/2072-8735-2021-15-6-56-64.

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The proposed work is the first part of the overall work on the development of the structure of the hydroacoustic navigation system (HNST) for bringing the autonomous underwater vehicle (AUV) to the docking module (DM). The second (final) part will be published in the next issue of the journal. The purpose of this work is to select signals for building HNST providing reduction in a near zone at the distances not exceeding 300 m, an AUV and its docking with the carrier is considered. Mutual definition of a distance and angular position DM of the carrier and AUV relative to each other is carried

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Seth, Debtanu, Bappaditya Manna, Jagdish Telangrao Shahu, et al. "Numerical Modelling of the Effects of Liquefaction on the Upheaval Buckling of Offshore Pipelines Using the PM4Sand Model." Energies 15, no. 15 (2022): 5561. http://dx.doi.org/10.3390/en15155561.

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The buckling tendency of an offshore pipeline buried in a liquefiable soil aggravates under earthquake situations. Moreover, to understand the upheaval displacement behavior of an offshore pipeline under dynamic loading, it is crucial to understand the variation of liquefaction potential within the soil bed. Thus, in the present study, the variation of the liquefaction potential within the soil body and its effect on the pipeline upheaval displacement (u) and post-shake uplift resistance (Vup) is investigated using a finite element package called PLAXIS 2D. The study was performed for differen

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Torre, Peter, Jonathan S. Russell, Renee Smith, et al. "Words-in-Noise Test Performance in Young Adults Perinatally HIV Infected and Exposed, Uninfected." American Journal of Audiology 29, no. 1 (2020): 68–78. http://dx.doi.org/10.1044/2019_aja-19-00042.

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Purpose The purpose of this study was to compare Words-in-Noise (WIN) data between young adults with perinatal HIV (PHIV) infection and those with PHIV exposure but uninfected (PHEU) and to evaluate associations between antiretroviral therapy (ART) exposures and WIN data. Method The WIN test and cognitive function were assessed in participants of the Pediatric HIV/AIDS Cohort Study Adolescent Master Protocol Up. Impaired WIN (IWIN) performance was defined as a signal-to-babble ratio of > +10 dB. Cognitive function was determined based on fluid cognition composite scores (FCCSs) and crystall

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FLEMMING, BERT, NICOLE ARENZ, ERDMANN SEELIGER, THOMAS WRONSKI, KATHARINA STEER, and PONTUS B. PERSSON. "Time-Dependent Autoregulation of Renal Blood Flow in Conscious Rats." Journal of the American Society of Nephrology 12, no. 11 (2001): 2253–62. http://dx.doi.org/10.1681/asn.v12112253.

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Abstract. Response of renal vasculature to changes in renal perfusion pressure (RPP) involves mechanisms with different frequency characteristics. Autoregulation of renal blood flow is mediated by a rapid myogenic response and a slower tubuloglomerular feedback mechanism. In 25 male conscious rats, ramp-shaped changes in RPP were induced to quantify dynamic properties of autoregulation. Decremental RPP ramps immediately followed by incremental ramps were made for four different rates of change, ranging from 0.118 to 1.056 mmHg/s. Renal blood flow and cortical and medullary fluxes were assessed

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Wang, SY, CK Ho, LY Chen, et al. "Down regulation of myelopoiesis by mediators inhibiting the production of macrophage-derived granulomonopoietic enhancing activity (GM-EA)." Blood 72, no. 6 (1988): 2001–6. http://dx.doi.org/10.1182/blood.v72.6.2001.2001.

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Abstract Monocyte-derived lipid-containing macrophages (MDLMs) constitutively synthesize a granulomonopoietic enhancing activity (GM-EA) that potentiates the function of granulocyte-macrophage colony-stimulating activity (GM-CSA). In the study reported, we show that GM-EA is distinct from interleukin-1 (IL-1) in biochemical and functional properties and that its production is negatively regulated by several mediators. Thus, MDLM cultures pretreated with interferon-gamma (IFN- gamma, 3 to 900 U/mL), prostaglandin E2 (PGE2, 10(-13) to 10(-8) mol/L), or lactoferrin (LF, 10(-13) to 10(-8) mol/L) i

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Wang, SY, CK Ho, LY Chen, et al. "Down regulation of myelopoiesis by mediators inhibiting the production of macrophage-derived granulomonopoietic enhancing activity (GM-EA)." Blood 72, no. 6 (1988): 2001–6. http://dx.doi.org/10.1182/blood.v72.6.2001.bloodjournal7262001.

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Monocyte-derived lipid-containing macrophages (MDLMs) constitutively synthesize a granulomonopoietic enhancing activity (GM-EA) that potentiates the function of granulocyte-macrophage colony-stimulating activity (GM-CSA). In the study reported, we show that GM-EA is distinct from interleukin-1 (IL-1) in biochemical and functional properties and that its production is negatively regulated by several mediators. Thus, MDLM cultures pretreated with interferon-gamma (IFN- gamma, 3 to 900 U/mL), prostaglandin E2 (PGE2, 10(-13) to 10(-8) mol/L), or lactoferrin (LF, 10(-13) to 10(-8) mol/L) invariably

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Yumet, Gladys, Margaret L. Shumate, Patrick Bryant, Cheng-Mao Lin, Charles H. Lang, and Robert N. Cooney. "Tumor necrosis factor mediates hepatic growth hormone resistance during sepsis." American Journal of Physiology-Endocrinology and Metabolism 283, no. 3 (2002): E472—E481. http://dx.doi.org/10.1152/ajpendo.00107.2002.

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During sepsis, growth hormone (GH) resistance contributes to the catabolism of muscle protein. To determine the role of tumor necrosis factor (TNF) as a mediator of GH resistance, we examined the effects of a TNF antagonist [TNF-binding protein (TNFbp)] on the GH/insulin-like growth factor (IGF) I system during abdominal sepsis. To investigate potential mechanisms, the effects of TNF on the IGF-I response to GH and GH signaling were examined in cultured rat hepatocytes (CWSV-1). Three groups of rats were studied: Control, Sepsis, and Sepsis + TNFbp. Liver, gastrocnemius, and plasma were collec

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Kalesse-Los, Heike, Willi Schimmel, Edward Luke, and Patric Seifert. "Evaluating cloud liquid detection against Cloudnet using cloud radar Doppler spectra in a pre-trained artificial neural network." Atmospheric Measurement Techniques 15, no. 2 (2022): 279–95. http://dx.doi.org/10.5194/amt-15-279-2022.

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Abstract. Detection of liquid-containing cloud layers in thick mixed-phase clouds or multi-layer cloud situations from ground-based remote-sensing instruments still poses observational challenges, yet improvements are crucial since the existence of multi-layer liquid layers in mixed-phase cloud situations influences cloud radiative effects, cloud lifetime, and precipitation formation processes. Hydrometeor target classifications such as from Cloudnet that require a lidar signal for the classification of liquid are limited to the maximum height of lidar signal penetration and thus often lead to

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Shao, Yanling, Liming Liu, Hewen Gao, et al. "Clustering Algorithm Based on the Ground-Air Cooperative Architecture in Border Patrol Scenarios." Electronics 11, no. 18 (2022): 2876. http://dx.doi.org/10.3390/electronics11182876.

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The border security situation is complex and severe, and the border patrol system relying on the ground-air cooperative architecture has been paid attention to by all countries as an important means of protecting national security. In the flying ad-hoc network (FANET), under the ground-air cooperative architecture, an unmanned aerial vehicle (UAV) uses a patrol mobility model to improve patrol efficiency. Since the patrol mobility model leads to frequent changes in UAV movement direction to improve patrol efficiency, selecting some clustering utility factors and calculating utility factors in

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Zvereva, E. A., O. D. Hendrickson, B. B. Dzantiev, and A. V. Zherdev. "Development of Enzyme-Linked Immunoassay Systems for Monitoring the Content of the Main Non-Meat Additives in Meat Products." Biotekhnologiya 37, no. 5 (2021): 117–22. http://dx.doi.org/10.21519/0234-2758-2021-37-5-117-122.

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Abstract-Methods for control of the content of non-meat components (connective tissue of animals, eggs, soybeans) in meat products have been developed based on competitive enzyme immunoassay of biomarker proteins: collagen, ovalbumin, and soybean trypsin inhibitor. Polyclonal rabbit antibodies against the biomarkers were produced. Screening of the following analysis conditions was carried out using the most affine preparations: the duration of the stages, the concentrations of the reagents, the composition of the reaction medium to ensure the completeness and the minimum limits of detection of

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Longley, Imogen, Tristan J. Barber, and Dean Selway. "P132 An audit of the use of suppressive aciclovir in patients on stable art with suppressed HIV viraemia in plasma." Sexually Transmitted Infections 93, Suppl 1 (2017): A60.2—A60. http://dx.doi.org/10.1136/sextrans-2017-053232.176.

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IntroductionBASHH guidelines state suppressive therapy for HSV in HIV+ individuals as aciclovir 400mg BD. Anecdotally some HIV+ patients report better control of genital HSV on different antiretroviral (ART) regimens. Previous studies have shown HIV protease inhibitors (PI) may induce antiviral effects against HSV. We audited our suppressive aciclovir (sACV) use in undetectable HIV patients on stable ART against BASHH standards. We noted frequency of genital HSV outbreaks in those on PI vs non-boosted ART regimens to see any signal that PIs may confer protection against HSV reactivation.Method

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Irandoust, Mahban, Albert Wolfler, Judith Gits, Onno Roovers, and Ivo P. Touw. "Characterization of a Juxtamembrane Lysine as a Determinant in Lysosomal Routing and Signal Downregulation of the Activated G-CSF Receptor (G-CSFR)." Blood 110, no. 11 (2007): 2190. http://dx.doi.org/10.1182/blood.v110.11.2190.2190.

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Abstract Ubiquitination of lysine (K) residues in the cytoplasmic domain of cytokine receptors plays a major role in intracellular receptor routing and control of signal duration. However, which ubiquitin (E3) ligases and whether specific lysines, eg. present in conserved motifs, are involved in ubiquitin-mediated routing is still largely unknown. We recently showed that SOCS3, which forms an Elongin/Cullin-based E3 ligase (ECSSOCS3), is involved in ligand-induced ubiquitination, lysosomal routing and degradation of the G-CSFR (Irandoust et al, EMBO J. 2007, 26:1782–93). Strikingly, ECSSOCS3-m

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Gruden, Timotej, Nenad B. Popović, Kristina Stojmenova, et al. "Electrogastrography in Autonomous Vehicles—An Objective Method for Assessment of Motion Sickness in Simulated Driving Environments." Sensors 21, no. 2 (2021): 550. http://dx.doi.org/10.3390/s21020550.

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Autonomous vehicles are expected to take complete control of the driving process, enabling the former drivers to act as passengers only. This could lead to increased sickness as they can be engaged in tasks other than driving. Adopting different sickness mitigation techniques gives us unique types of motion sickness in autonomous vehicles to be studied. In this paper, we report on a study where we explored the possibilities of assessing motion sickness with electrogastrography (EGG), a non-invasive method used to measure the myoelectric activity of the stomach, and its potential usage in auton

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Perreau, Ann E., Yu-Hsiang Wu, Bailey Tatge, Diana Irwin, and Daniel Corts. "Listening Effort Measured in Adults with Normal Hearing and Cochlear Implants." Journal of the American Academy of Audiology 28, no. 08 (2017): 685–97. http://dx.doi.org/10.3766/jaaa.16014.

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AbstractStudies have examined listening effort in individuals with hearing loss to determine the extent of the impairment. Regarding cochlear implants (CIs), results suggest that listening effort is improved using bilateral CIs compared to unilateral CIs. Few studies have investigated listening effort and outcomes related to the hybrid CI.Here, we compared listening effort across three CI groups, and to a normal-hearing control group. The impact of listener traits, that is, age, age at onset of hearing loss, duration of CI use, and working memory capacity, were examined relative to listening e

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Antolic, A., C. E. Wood, and M. Keller-Wood. "Use of radiotelemetry to assess perinatal cardiac function in the ovine fetus and newborn." American Journal of Physiology-Regulatory, Integrative and Comparative Physiology 313, no. 6 (2017): R660—R668. http://dx.doi.org/10.1152/ajpregu.00078.2017.

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The late gestation fetal ECG (fECG) has traditionally been difficult to characterize due to the low fECG signal relative to high maternal noise. Although new technologies have improved the feasibility of its acquisition and separation, little is known about its development in late gestation, a period in which the fetal heart undergoes extensive maturational changes. Here, we describe a method for the chronic implantation of radiotelemetry devices into late gestation ovine fetuses to characterize parameters of the fECG following surgery, throughout late gestation, and in the perinatal period. W

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Lau, Desmond, Peter Repenning, Diana Canals Hernaez, et al. "Abstract 7318: ZW209, a DLL3 targeted trispecific T cell engager with integrated CD28 co-stimulation, demonstrates safety and potent preclinical efficacy in models of small cell lung cancer." Cancer Research 85, no. 8_Supplement_1 (2025): 7318. https://doi.org/10.1158/1538-7445.am2025-7318.

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Abstract Small cell lung cancer (SCLC) is a highly aggressive and difficult-to-treat malignancy with limited treatment options. Delta-like ligand 3 (DLL3), a cell surface protein overexpressed in SCLC, has emerged as a promising therapeutic target. Bispecific T cell engagers (TCE) targeting DLL3, including tarlatamab which has received accelerated approval, have demonstrated anti-tumor activity in the clinic with an improved duration of response compared to current standard of care, including chemotherapy and immunotherapy. Despite these advances, we believe there is opportunity to improve the

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Julstrom, Stephen, Linda Kozma-Spytek, and Scott Isabelle. "Telecoil-Mode Hearing Aid Compatibility Performance Requirements for Wireless and Cordless Handsets: Magnetic Signal-to-Noise." Journal of the American Academy of Audiology 22, no. 08 (2011): 528–41. http://dx.doi.org/10.3766/jaaa.22.8.5.

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Background: During the revision of the American National Standards Institute (ANSI) C63.19 and the development of the ANSI/Telecommunications Industry Association–1083 hearing aid compatibility standards, it became evident that additional data concerning user acceptance of interfering magnetic noises generated by wireless and cordless telephones were needed in order to determine the requirements for telecoil-coupling compatibility. Purpose: Further insight was needed into the magnetic signal-to-noise (S/N) ratios required to achieve specific levels of telephone usability by hearing aid wearers

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Chen, Shih-Lun, He-Sheng Chou, Yueh Chuo, et al. "Classification of the Relative Position between the Third Molar and the Inferior Alveolar Nerve Using a Convolutional Neural Network Based on Transfer Learning." Electronics 13, no. 4 (2024): 702. http://dx.doi.org/10.3390/electronics13040702.

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In recent years, there has been a significant increase in collaboration between medical imaging and artificial intelligence technology. The use of automated techniques for detecting medical symptoms has become increasingly prevalent. However, there has been a lack of research on the relationship between impacted teeth and the inferior alveolar nerve (IAN) in DPR images. The severe compression of teeth against the IAN may necessitate the requirement for nerve canal treatment. To reduce the occurrence of such events, this study aims to develop an auxiliary detection system capable of precisely l

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Kim, So Young, Hwon Heo, Doo Hee Kim, Hyun Jin Kim, and Seung-ha Oh. "Neural Plastic Changes in the Subcortical Auditory Neural Pathway after Single-Sided Deafness in Adult Mice: A MEMRI Study." BioMed Research International 2018 (November 26, 2018): 1–8. http://dx.doi.org/10.1155/2018/8624745.

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Single-sided deafness (SSD) induces cortical neural plastic changes according to duration of deafness. However, it is still unclear how the auditory cortical changes accompany the subcortical neural changes. The present study aimed to find the neural plastic changes in the cortical and subcortical auditory system following adult-onset single-sided deafness (SSD) using Mn-enhanced magnetic resonance imaging (MEMRI). B57BL/6 mice (postnatal 8-week-old) were divided into three groups: the SSD-4-week group (postnatal 12-week-old, n = 11), the SSD-8-week group (postnatal 16-week-old, n = 11), and a

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Ananias, Estevão, Pedro D. Gaspar, Vasco N. G. J. Soares, and João M. L. P. Caldeira. "Artificial Intelligence Decision Support System Based on Artificial Neural Networks to Predict the Commercialization Time by the Evolution of Peach Quality." Electronics 10, no. 19 (2021): 2394. http://dx.doi.org/10.3390/electronics10192394.

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Climacteric fruit such as peaches are stored in cold chambers after harvest and usually are maintained there until the desired ripening is reached to direct these fruit to market. Producers, food industries and or traders have difficulties in defining the period when fruit are at the highest level of quality desired by consumers in terms of the physical-chemical parameters (hardness –H–, soluble solids content –SSC–, and acidity –Ac–). The evolution of peach quality in terms of these parameters depends directly on storage temperature –T– and relative humidity –RH–, as well on the storage durat

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Miyan Tambe, Saleem Hussain, Ismail Ali Farukh Ali Inamdar, Nasir Abdul Bari, and Arvind Nilkanthrao Chavan. "Study of seizures among pediatric age group (0-12 years) in tertiary health care center of a district of Maharashtra, India." International Journal of Contemporary Pediatrics 4, no. 2 (2017): 512. http://dx.doi.org/10.18203/2349-3291.ijcp20170700.

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Background: Seizures represent the most distinctive signal of neurological disease in the newborn period and these convulsive phenomena are the most frequent of the overt manifestation of neonatal neurological disorders. Recognition and classification of seizures remain problematic; particularly when pediatricians rely only on clinical criteria. The objective of this study was to study the incidence of pediatrics (0-12 years) seizures. To study the etiology and pattern of seizures.Methods: 326 Subjects who had seizures were included in the study. Relevant history was ascertained from a patient

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Qing, Zhang, Yang Jida, Fu Chengxiu, Yang Yanli, Liu Xia, and Deng Sihe. "Ralstonia solanacearum Infection Drives the Assembly and Functional Adaptation of Potato Rhizosphere Microbial Communities." Plant Pathology Journal 40, no. 5 (2024): 498–511. http://dx.doi.org/10.5423/ppj.oa.06.2024.0086.

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Bacterial wilt caused by <i>Ralstonia solanacearum</i> is a destructive disease that affects potato production, leading to severe yield losses. Currently, little is known about the changes in the assembly and functional adaptation of potato rhizosphere microbial communities during different stages of <i>R. solanacearum</i> infection. In this study, using amplicon and metagenomic sequencing approaches, we analyzed the changes in the composition and functions of bacterial and fungal communities in the potato rhizosphere across four stages of <i>R. solanacearum</i

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