High-intensity Modes Research Articles

Schottky Defects Suppress Nonradiative Recombination in CH3NH3PbI3 through Charge Localization.

Hybrid lead halide perovskites are promising materials for photovoltaic applications due to their exceptional optoelectronic properties. Here, we investigate the impact of Schottky defects─specifically PbI2(VPbI2) and CH3NH3I (VMAI) vacancies─on nonradiative recombination in CH3NH3PbI3 using time-dependent density functional theory and nonadiabatic (NA) molecular dynamics. Our results reveal that Schottky defects do not alter the fundamental bandgap or introduce trap states but instead distort the surrounding lattice, localizing the hole distribution. This reduces the spatial overlap of electron and hole wave functions, weakening NA coupling and increasing intensitieis of high-intensity phonon modes that accelerate dephasing. Consequently, nonradiative recombination lifetimes extend to 2.1 and 2.6 ns for VPbI2 and VMAI, respectively─over double that of pristine CH3NH3PbI3. This work demonstrates the potential of Schottky defects to enhance perovskite solar cell performance by suppressing nonradiative recombination.

Theoretical Study of Efficient Photon-Phonon Resonance Absorption in the Tungsten-Related Vibrational Mode of Scheelite.

Tungsten (W) is an extremely rare and vital metal extensively used in metallurgy, the chemical industry, optoelectronic devices, and machinery manufacturing. In this work, an environmentally friendly and efficient physical method based on photon-phonon resonance absorption (PPRA) is proposed for separating W from scheelite. We calculated the vibrational spectrum of calcium tungstate (CaWO4) and assigned the infrared (IR) absorption and Raman scattering peaks through a dynamic analysis of the normal modes. We focused on the strong IR absorption peaks related to W and identified three high-intensity IR-active modes at around 830 cm-1, corresponding to the stretching of the W-O bonds. Therefore, we propose the use of high-power terahertz (∼25 THz) laser radiation to facilitate W extraction from compounds, leveraging the high efficiency of PPRA. Experimental testing is required to determine the precise absorption frequency under industrial production conditions.

Effects of High-Intensity Resistance Versus Aerobic Training in PCOS Women at Risk for Psychological Trauma

Background: Polycystic ovarian syndrome (PCOS) is a prevalent and complex endocrine disorder that affects women of reproductive age. Its physical manifestations as the change in body image, fertility challenges, menstrual irregularities, and associated chronic health conditions increase their vulnerability to psychological trauma. Negative effects on psychological health significantly impact their quality of life. Objectives: The current study aimed to compare the effects of high-intensity resistance versus aerobic training on psychological health and quality of life in women with PCOS. Study Design: This was a single-blinded, randomized controlled trial. Methods: A randomized controlled trial was conducted from November 22 to April 23 at Riphah Rehabilitation Center, Islamabad, Pakistan. The female university students (n = 60), with an age range of 18 to 30 years, who were not part of any planned physical activity program, were not taking any medication, and were willing to participate in the exercise trial, were recruited. They were randomly allocated into 2 groups: high-intensity resistance (HIRG) and high-intensity aerobic (HIAG) groups. Both groups underwent exercise interventions for a duration of 12 weeks. Clinical and psychological health and quality of life were assessed using validated measures, including the polycystic ovary syndrome questionnaire (PCOS-Q) and the 36-item Short Form Survey (SF-36). Assessments were conducted at baseline, 6th, and 12th weeks. Data analysis was done using SPSS-21. Results: The mean age of women in the HIRG (n = 30) versus the HIAG (n = 30) was 22.40 ± 2.4 years versus 20.63 ± 2.1 years. Between-group analysis revealed no significant difference (P > .05) between the groups in terms of postintervention total scores of the PCOS-Q and SF-36 quality of life. However, within-group analysis has shown statistically significant improvement (P < .01) in both outcome measures. Conclusion: It is concluded that both high-intensity modes of exercise, resistance, and aerobic training were found to be equally effective interventions for improving psychological health and quality of life in women with PCOS. Individualizing exercise programs to meet individual needs and preferences may aid in maximizing the psychological benefits of each exercise modality. Further investigation into the underlying processes and long-term impact of these therapies in this vulnerable population is required.

Chinese Listening and Speaking Classroom Research base on Framework of Multimodal Interactive Analysis

With the advent of the information age, people's communication behavior tends to be multimodal. The new communication mode puts forward new requirements for Chinese listening and speaking classroom teaching. Under the background of globalization, more and more foreign-funded enterprises set up overseas factories in China and send employees to China to provide technical support. In order to meet the needs of employees’ life and business in China, many companies provide Chinese language training for their employees. Chinese listening and speaking courses, which can effectively improve the level of Chinese communication, have become the main type of courses. Taking the multi-level and multi-modal interactive framework as the research framework, this paper analyzes and studies the Chinese listening and speaking class with examples, and explores the effective combination path of Chinese listening and speaking class and multi-modal interactive teaching mode. It is found that the use of reasonable modal configuration, ensuring the main role of high-intensity modes and ensuring the principal position of students in the teaching process can improve teaching efficiency, increase students' concentration time and effectively improve students' listening and speaking skills.

Enhanced Antibacterial and Photoluminescence Activities of ZnSe Nanostructures.

Microorganisms create various health issues; semiconductor nanostructures have raised interest because of antimicrobial properties for suppressing microbial growth. Herein, we report the synthesis of ZnSe nanostructures (NSs) using a green coprecipitation method, and the as-synthesized samples were annealed at 100, 150, and 200 °C temperatures. The synthesized samples were analyzed for structural, morphological, optical, and antibacterial properties. The growth of nanorods was confirmed by TEM micrographs and that of nanoparticles by FESEM and TEM micrographs. The cubic zinc blender phase of samples was confirmed by XRD. The high-intensity electron-phonon (e-ph) interactions and LO modes were confirmed by the Raman spectra. The UV-visible absorption spectra predicted the blue shift in optical band gaps of ZnSe NSs from their bulk counterparts. The PL spectra and associated CIE diagram indicated that the as-synthesized and annealed NSs produce blue color. The investigated antimicrobial activity against Escherichia coli, Pseudomonas aeruginosa, and Staphylococcus aureus implies the superior biological activity of the as-synthesized and annealed samples at 200 °C. The annealing enhances photoluminescence and antimicrobial activities of ZnSe NSs. The enhanced luminscence properties of ZnSe NSs make them suitable for preparing more efficient blue LEDs and lasers for medical applications. The as-synthesized and annealed ZnSe NSs are found effective against the growth of microorganisms, and sustaining this tendency for 1 week provides a strong basis for the development of new drugs against bacterial infections for supporting the pharmaceutical industry.

Effects of CrossFit training program and traditional gym training on morphological characteristics of men

CrossFit is recognized as one of the fastest-growing high-intensity functional training modes in the world. The study aimed to compare the effects of the CrossFit training program and traditional gym training on anthropometric measurements in healthy, active men. The study sample consisted of 50 participants who were divided into two groups, 22 participants who practiced the CrossFit training program (CFT group; 28.64±2.04 years; body height 181.74±6.96 cm; body mass: 72.75±5.53 kg), and 28 participants who applied traditional gym training (GT group; 26.89±2.99 years; body height: 184.52±7.80 cm; body mass: 74.86±8.48 kg). A total of ten anthropometric measurements (Body height, Body mass, BMI, Subscapular, Abdominal and Triceps skinfolds, Chest, Forearm, Upper arm, and Thigh circumferences) were monitored before and after twelve weeks. The Shapiro-Wilk test was used to test the normality of distribution. The multivariate analysis covariance (MANCOVA) and analysis of covariance (ANCOVA) were used to analyze the data. The results of this study indicated that there were statistically significant differences between groups in the Circumference of the upper arm (p=0.02), Thigh circumference (p=0.00), Chest circumference (p=0.03), and Subscapular skinfold (p=0.00). The findings of this study demonstrated that healthy, active males who participated in the 12-week CrossFit training program improved their anthropometric measurements more than those who trained in the traditional gym training.

Excitation of high-intensity terahertz surface modes of plasma slab under action of p-polarized two-frequency laser radiation.

The excitation of the terahertz (THz) high-intensity surface modes when the two-frequency p-polarized laser radiation interacts with a plasma slab is studied. It was found that the significant amplification of the laser field in the plasma slab occurs when p-polarized laser radiation is incident at the angle of total reflection. It is shown that, under the action of laser radiation ponderomotive forces, the resonant excitation of the THz mode of the plasma slab occurs if the frequency difference of the laser fields coincides with the eigenfrequency of the surface mode. It is established that the giant increase in the energy flux density of the THz mode occurs when p-polarized laser radiation is incident at the angle of total reflection on the near-critical plasma slab with rare electron collisions if the conditions of resonant excitation are satisfied. It is shown that in this case the energy flux density of THz mode can significantly exceed the laser intensity.

A neural network for prediction of high intensity resonance modes in magnetic multilayers

The use of magnetic materials as building blocks for frequency applications makes it possible to fabricate micrometer and nanometer high frequency devices. Moreover, devices with multiple high intensity modes for multiband devices can be designed by using magnetic multilayers. However, as the number of layers increases the multilayer becomes more complex, making it very difficult to find optimal configurations due to a big number of possible configurations. Fortunately, over the past decade a surge in the applicability and accessibility of machine learning algorithms and neural networks has been observed, which allow to analyse big quantities of data in search of complex patterns not always evident to humans. In this work, a theoretical model is used to generate approximately 10 × 106 data points, which in turn are used to train a neural network to calculate the number of high intensity resonance modes of three ferromagnetically coupled magnetic layers with an accuracy of over 99.8%. The neural network is then used to identify a configuration of the multilayer which provides the maximum number of high-intensity modes, and comparisons with the theoretical model are presented. Finally, the correlations between parameter were calculated over 600 million of data points, and clear guidelines for obtention of two high intensity resonance modes were identified. These results provide a simple way to find a configuration of the trilayer that have a high number of high intensity modes, thus greatly simplifying the design process of magnetic multi-band frequency devices.

Universal form of arrays with spectral singularities.

An array of non-Hermitian optical waveguides can operate as a laser or as a coherent perfect absorber, which corresponds to a spectral singularity of the underlying discrete complex potential. We show that all lattice potentials with spectral singularities are characterized by the universal form of the gain-and-loss distribution. Using this result, we systematically construct potentials characterized by several spectral singularities at arbitrary wavelengths, as well as potentials with second-order spectral singularities in their spectra. Higher-order spectral singularities demonstrate a greatly enhanced response to incident beams, resulting in the excitation of high-intensity lasing modes.

Optimal Laguerre-Gaussian modes for high-intensity optical vortices.

With increasing interest in using orbital angular momentum (OAM) modes in high-power laser systems, accurate mathematical descriptions of the high-intensity modes at focus are required for realistic modeling. In this work, we derive various high-intensity orbital angular momentum focal spot intensity distributions generated by Gaussian, super-Gaussian, and ideal flat-top beams common to high-power laser systems. These intensity distributions are then approximated using fitted Laguerre-Gaussian basis functions as a practical way for describing high-power OAM beams in theoretical and numerical models.

Irradiance of Different Curing Modes of Common Light Cure Devices: An In Vitro Study.

ABSTRACTAim:The aim of this study was to test the irradiance values of different curing modes of commonly available light cure devices (LCDs).Materials and Methods:An in vitro investigation was carried out to compare the irradiance output of 10 brands of LCDs available in Saudi Arabia measured using a digital radiometer. Values were recorded for three time points when applicable (0, 10, and 20s). This technique was repeated five times for each LCD. Normal, high-intensity, and soft-start modes were evaluated for all brands with the features available. Irradiance values between brands were analyzed using one-way analysis of variance followed by Bonferroni method. Changes in irradiance between different time points were analyzed using one sample t test for normal and high-intensity modes and using paired t test for soft-start mode. All comparisons were carried out at 0.05 significance level.Results:The highest values were reported for Ortholux Luminous, Elipar DeepCure-S, Elipar DeepCure, and KaVo mini-LED with values above 1000 mW/cm2. All LCDs showed values above 600 mW/cm2. Three LCDs had high-intensity mode and only one device had soft-start mode. Changes over the different time points were not statistically significant exept for soft-start mode.Conclusion:All tested LCDs had irradiance values sufficient for adequate polymerization of resin composite. Only four of these are capable of curing bulk-fill composites.

Analog simulation of urban construction land supply and demand in Chang-Zhu-Tan Urban Agglomeration based on land intensive use

Urban land intensive use is an important indicator in harmonizing the relationship between land supply and demand. The system dynamics (SD) can be used to construct the feedback loop between urban construction land supply and demand and index variable function. Based on this, this study built a supply and demand system dynamic model of urban construction land for Chang-Zhu-Tan urban agglomeration. This model can simulate the change trends of supply and demand of construction land, industrial land, and residential land in 2016–2030 by three scenarios of low, medium, and high intensity modes. The results showed that the scale of construction land of urban agglomeration is expanding, with a rapid increase rate for the urban construction land. The scale and speed of land use based on the three intensity modes existed differences. The large scale and supply of construction land in the low intensity mode caused easily the waste of land resources. In high intensity mode, the scale and supply of construction land were reduced against the healthy development of new-type urbanization. In the medium intensity mode, the scale and supply of land use adapted to the socio-economic development and at the same time reflected the concept of modern urban development. In addition, the results of this study found that the proportion of industrial land in construction land ranged from 15% to 21%, which increased year by year in the low intensity mode, and decreased slowly and stabilized in medium and high intensity modes. The proportion of residential land in construction land ranged from 27% to 35%, which decreased in the low and the medium intensity modes, and maintained a high level in the higher intensity mode. This study contributes to provide scientific reference for decision-making optimization of land supply and demand, urban planning, and land supply-side reform.

Investigation of sequential thermal annealing effect on Cu-C70 nanocomposite thin film

Cu-C70 nanocomposite thin film is synthesized via thermal co-evaporation method. The atomic concentration of Cu in the thin film is found to be ~4.5 at.% using Rutherford backscattering spectroscopy. Sequential thermal annealing is performed in an inert atmosphere (in presence of Ar) at various temperatures. Surface plasmon resonance (SPR) is spotted at ~585 nm for the sample annealed at 300 °C and the SPR peak is shifted towards ~621 nm for the sample annealed at 400 °C. In order to determine the modifications arising in the structure of fullerene C70 matrix due to annealing, Raman spectroscopy is used. At the highest temperature of 400 °C, the high-intensity Raman active modes of fullerene C70 can still be observed which shows that fullerene C70 is not completely transformed into amorphous carbon upto this temperature. Transmission electron microscopy is performed to determine the size of particles which is obtained ~35 nm for the sample annealed at 400 °C. The red shift in SPR wavelength at 400 °C is ascribed to the growth of Cu nanoparticles.

Behavioural and physiological responses to low- and high-intensity locomotion in Chinese shrimp Fenneropenaeus chinensis.

We explored stroke behaviour, energy sources, and their related metabolic enzymes during multi-intensity swimming and tail-flipping at low- and high-intensity modes in Chinese shrimp Fenneropenaeus chinensis. In swimming, shrimp were encouraged to swim at velocities of 3, 6, 9cms-1 for 200min (low-intensity), and at 12, 15, 18cms-1 until fatigue (high-intensity). In tail-flipping, shrimp were encouraged to tail-flip by tapping cephalothorax at frequencies of 0.020, 0.040, 0.063Hz (one tap every 50, 25, 16s) for 5min (low-intensity), and at 0.083, 0,100, 0.125Hz (one tap every 12, 10, 8s) until no response (high-intensity). Results showed that shrimp increased stroke rates of pleopods and uropods to elevate swimming and tail-flipping ability. For low-intensity locomotion, glycogen was burned in aerobic pathway due to low pleopods beat frequency in swimming; however, glycogen was anaerobically burned due to high uropods beat amplitude in tail-flipping. Anaerobic metabolism occurred in high-intensity locomotion in either swimming or tail-flipping. Critical contents of muscle lactate causing locomotion fatigue might be around threefold of rest condition. Shrimp reduced locomotive time to avoid glycogen exhaustion and lactate accumulation during high-intensity locomotion. These findings highlight our understanding of physiological mechanisms of locomotion activities in shrimp.

Comparison of Plan Quality Between Stereotactic and Volumetric Modulated Arc Therapy Radiosurgery for Many Brain Metastases

The objective of this study was to compare radiation dose distributions created by two radiosurgery modalities for treating a large number (≥7) brain metastases: single-isocenter volumetric modulated arc therapy (VMAT) and GammaKnife Perfexion (GK). We examined 103 brain metastases (range 0.01- 19.95 cc) from twelve patients. The mean number of targets per patient was 9 (range 7-14). Highly-optimized GK plans were compared to highly-optimized single-isocenter, multiple non-coplanar arc VMAT plans using both 6FFF (1400 MU/min) and 10FFF (2400 MU/min) high intensity modes from a Truebeam linear accelerator equipped with a high-definition multileaf collimator. Three layers of ‘tuning rinds’ were used in VMAT planning to control dose-volume constraints corresponding to high (Rx of each target), medium (12 Gy), and low-dose levels (6 Gy) [1-4]. Dosimetric parameters analyzed included RTOG conformity index (CI), 12 Gy (a known predictor of radiation necrosis [5]), 6 Gy, 3 Gy isodose volumes (V12Gy, V6Gy, V3Gy), mean and maximum hippocampus dose, maximum skin dose, and beam-on time. Each lesion had > 99.5% volume covered by the Rx dose. Direct comparison was performed using a Kruskal-Wallis test with Dunn’s post hoc comparisons (significance criteria: p < 0.05). There was a significant CI difference between GK and both 6FFF and 10FFF (2.52 ± 1.64 vs 1.59 ± 0.81 and 1.68 ± 0.87, p < 0.001). For V12Gy, there was a significant difference between GK and both 6FFF and 10FFF (2.79 ± 6.13 cc vs 2.97 ± 5.22 cc and 3.13 ± 5.39 cc, p <0.001). For V6Gy, there was no significant difference between GK and 6FFF, however, GK was significantly smaller compared to 10FFF (81.12 ± 72.86 cc vs 167.55 ± 87.55 cc, p=0.011). For V3Gy, GK was significantly smaller compared to both 6FFF and 10FFF (323 ± 295 cc vs, 880 ± 369 cc and 938 ± vs 362 cc, p < 0.001). For mean hippocampus dose, there was no significant difference between GK and 6 FFF, however, GK was significantly smaller compared to 10FFF (1.88 ± 1.35 Gy vs 3.59 ± 1.36 Gy, p = 0.013). No significant differences existed for maximum hippocampus or skin doses. There was a significant beam-on time difference between GK and both 6FFF and 10 FFF (148 ± 49 min vs 11 ± 2 min and 6 ± 1 min, p < 0.001). This study focused on cases with at least 7 brain metastases. Highly-optimized VMAT produced improved conformity at the expense of a higher V12Gy and V3Gy volume when compared to highly-optimized GK. However, the increased V12Gy with VMAT may not be clinically significant while increased V3Gy is comparable to a single fraction of whole-brain radiotherapy. [1] Liu et al. Front. Oncol. 6:26 (2016) [2] Thomas et al. Neurosurgery. 75(4): 409-418 (2014) [3] McDonald et al. J Neurosurg (Suppl 2) 121: 51-59 (2014) [4] Clark et al. Pract. Radiat. Oncol. 2: 306-313 (2012) [5] Minniti et al. Radiat. Oncol. J. 6: 48 (2011).

Optical and magnetic properties of free-standing silicene, germanene and T-graphene system

AbstractThe physics of two-dimensional (2D) materials is always intriguing in their own right. For all of these elemental 2D materials, a generic characteristic feature is that all the atoms of the materials are exposed on the surface, and thus tuning the structure and physical properties by surface treatments becomes very easy and straightforward. The discovery of graphene have fostered intensive research interest in the field of graphene like 2D materials such as silicene and germanene (hexagonal network of silicon and germanium, respectively). In contrast to the planar graphene lattice, the silicene and germanene honeycomb lattice is slightly buckled and composed of two vertically displaced sublattices.The magnetic properties were studied by introducing mono- and di-vacancy (DV), as well as by doping phosphorus and aluminium into the pristine silicene. It is observed that there is no magnetism in the mono-vacancy system, while there is large significant magnetic moment present for the DV system. The optical anisotropy of four differently shaped silicene nanodisks has revealed that diamond-shaped (DS) silicene nanodisk possesses highest static dielectric constant having no zero-energy states. The study of optical properties in silicene nanosheet network doped by aluminium (Al), phosphorus (P) and aluminium-phosphorus (Al-P) atoms has revealed that unlike graphene, no new electron energy loss spectra (EELS) peak occurs irrespective of doping type for parallel polarization. Tetragonal graphene (T-graphene) having non-equivalent (two kinds) bonds and non-honeycomb structure shows Dirac-like fermions and high Fermi velocity. The higher stability, large dipole moment along with high-intensity Raman active modes are observed in N-doped T-graphene. All these theoretical results may shed light on device fabrication in nano-optoelectronic technology and material characterization techniques in T-graphene, doped silicene, and germanene.

Angular dependences of spin-wave resonance spectra of inhomogeneous films with orthorhombic anisotropy

Zero spin-wave mode in inhomogeneous magnetic films with orthorhombic anisotropy has been found to exhibit a change of its localization region in two of three typical angular dependences of resonance fields of high-intensity modes. It has been shown that the anisotropy fields on both sides of the film can be determined from the resonance fields of the zero and uppermost high-intensity spin-wave modes of spin-wave resonance spectra.

Spin-wave resonance spectra of films with a uniform gradient of anisotropy field

It has been shown that the number of high-intensity spin-wave modes in the spin-wave resonance spectrum of films with a uniform gradient of the effective anisotropy field depends on the thickness of the film and on the exchange stiffness. It has been established that there is a “critical” thickness of the film which depends on the exchange stiffness and the anisotropy field gradient. When the thickness of the film is less than the “critical” value, only one high-intensity mode is excited in the resonance absorption spectrum.

Cardiac Parasympathetic Reactivation in Elite Soccer Players During Different Types of Traditional High-Intensity Training Exercise Modes and Specific Tests: Interests and Limits.

Background:The cardiac parasympathetic reactivation is currently used in soccer with a daily or weekly monitoring. However, previous studies have not investigated how this cardiac parasympathetic reactivation is in elite soccer players along different types of traditional high-intensity training exercise and specific tests. In this context, the present study aim to analyse it and to determine the interests and limits of this type of physiological information.Objectives:The present study aims to examine how different traditional training exercise modes affect the cardiac parasympathetic reactivation function in elite soccer players.Materials and Methods:Twenty-two international soccer players participating in UEFA Champion’s League took part in this study (age: 24.3 ± 4.2 years; height: 178.1 ± 6.2 cm; body mass: 80.3 ± 5.7 kg). Players performed different training methods including: short-duration intermittent exercises (INT) in-line and with changes of direction (COD) (10 - 10 seconds, 15 - 15 seconds, 30 - 30 seconds, e.g. an alternance of 10 - 10 seconds is 10 seconds of running according to the maximal aerobic speed (MAS) and 10-sec of recovery), INT including agility and technical skills (8 - 24-seconds), small-sided-games (SSGs) with and without goalkeepers (2 vs. 2, 3 vs. 3, 4 vs. 4), and repeated sprint ability (RSA) efforts (10 × 20 m, 10 × 30 m, 15 × 20 m). Heart rate (HR) decline was recorded 3 minutes after each exercise.Results:HR declines were greater after the RSA compared to SSGs (P < 0.001) and INT (P < 0.01), especially at 1 min post-exercise. In addition, when the analysis focused on each type of exercise, greater HR declines were observed in on-field players at 1 minute when there was: inclusion of goalkeepers in SSGs (for 2 vs. 2 and 3 vs. 3, P < 0.01); increase of sprint distances or number of sprint repetitions in RSA (P < 0.01); increase of intensity (% of maximal aerobic speed), and the use of COD or inclusion of technical skills during INT, especially for the 30 - 30-seconds.Conclusions:This study revealed that cardiac parasympathetic reactivation function varied after INT, RSA and SSG, but also according to the rules manipulation. Therefore, this study provides interesting information for the training monitoring and players’ recovery profile, with the aim of facilitating a more efficient planning and manipulation of training recovery strategies according to their fitness markers.

Ion Transport in sulfuric acid solution through anisotropic composites based on heterogeneous membranes and polyaniline

Anisotropic composites based on heterogeneous ion-exchange membranes MK-40 and polyaniline have been prepared in a constant electric field. The diffusion and electric conduction properties of these materials in sulfuric acid solutions have been studied, and the diffusion permeability of the composites has been shown to decrease compared to the base membrane, with the conductivity remaining relatively unchanged. Investigation of mass transport of ions through the composite membranes during electrodialytic demineralization of sulfuric acid solutions has revealed that the performance of such materials in high-intensity current modes is higher than that of the base MK-40 membranes. In particular, the energy consumption for demineralization of sulfuric acid solutions is reduced by 40–60% and the current efficiency increases approximately twofold under certain conditions. The mass transfer and energy characteristics of the electrodialysis process have been found to depend on the orientation of the modified layer of the composite membranes with respect to the counterion flow.