Effects of Grain Morphology on Nonlinear Conversion Efficiency of Random Quasi-Phase Matching in Polycrystalline Materials by Kefei Liu, Kai Zhong, Zhantao Lu, Degang Xu, Jianquan Yao

“…The effects of average grain size, standard deviation, and sphericity on SHG efficiency were figured out to conclude that the grain-size deviation plays the most important role in RQPM efficiency and the optimal grain size is smaller than the coherence length. …”
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HARMONIZATION OF QUALIFICATIONS IN HIGHER EDUCATION AND IN THE JOB MARKET by A. A. Shekhonin, V. A. Tarlykov, A. O. Voznesenskaya, A. V. Bakholdin

“…It is shown that the qualifications of graduates formed in the process of practical-oriented education taking into account professional standards, differ greatly form the qualifications used in the real sphere of professional activity. Harmonization of qualifications can be ensured by the correspondence between the level of a graduate’s qualifications and the requirements of labour market, and also by the efficiency of interaction between higher education institutions and employers.…”
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Efficiency increasing of a shipyard power supply system by Beley V. F., Korotkikh K. V.

“…An integrated approach to the analysis of the plant's power supply system included experimental studies of nonlinear power consumers, during which a high level of higher current harmonics (3rd, 5th and 7th orders) was established. …”
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Topological Harmonic Generation of Nonlinear Optical Skyrmions by Zijian Lyu, Jingze Li, Peizeng Li, Yiqi Fang, Yunquan Liu

“…A quantum urn model is introduced to explain the generation of low-order and high-order harmonic skyrmions. This work presents the nonlinear interaction of the topological light fields with crystalline symmetry and provides novel insights into the efficient generation and robust control of the harmonics of skyrmions. …”
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Advanced thyristor-based cycloconverter for efficient three-phase conversion with low THD by Mahbubur Rahman Tahmid, Md. Abdul Malek, Md. Rafiul Islam, Muhammad Abdul Goffar Khan

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Analysis of Efficiency and Noise, Vibration, and Hardness Characteristics of Inverter for Electric Vehicles According to Pulse Width Modulation Technique by Do-Yun Kim

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Analysis and Design of a Novel Broadband and High-Efficiency Class-E/FJ Power Amplifier by Parastoo Rostami, Akram Sheikhi, Alireza Alizadeh

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Noncollinear phase-matching of high harmonic generation in solids by Pavel Peterka, František Trojánek, Petr Malý, Martin Kozák

“…We propose and experimentally demonstrate a scheme allowing reaching noncollinear phase-matching of high harmonic generation in solids, which may potentially lead to an enhancement of the generation efficiency. …”
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Enhancing Solar Power Efficiency: Implementation of Smart Inverter EGS002 in Renewable Energy Systems by Noriel Bontoc, Simon Patangke

“…The method used in this study involves testing the performance of the EGS002 inverter under operational conditions of PLTS in Indonesia, including measuring power conversion efficiency and Total Harmonic Distortion (THD). The results show that the EGS002 inverter has a power conversion efficiency of 92.5% and a low THD of 4%, which meets the power quality standards required for integration with the electricity grid. …”
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Vertical Second Harmonic Generation in Asymmetric Dielectric Nanoantennas by Davide Rocco, Carlo Gigli, Luca Carletti, Giuseppe Marino, Maria Antonietta Vincenti, Giuseppe Leo, Costantino De Angelis

“…In particular, Second Harmonic (SH) generation in AlGaAs nanoantennas can be extremely efficient; however, vertical emission is difficult to achieve, due to the zincblende χ⁽²⁾ tensor and epitaxially growth on (100) substrates. …”
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On Linear Combinations of Harmonic Mappings Convex in the Horizontal Direction by Elif Yaşar

“…One efficient method for constructing desired univalent harmonic maps is by taking the linear combination of two suitable harmonic maps. …”
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Optimal Control of a Harmonic Oscillator with Parametric Excitation by Dmitrii Kamzolkin, Victor Ilyutko, Vladimir Ternovski

“…This paper addresses the time-optimal control problem for a harmonic oscillator characterized by a time-dependent frequency. …”
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Investigation of the Composite Motor Load in the Presence of Higher Harmonics in the Electrical Network by Ya. E. Shklyarskiy, K. K. Lobko, Yu. N. Kuznetsova, M. S. Vorobyov

“…The results of the work can be used in calculating the voltage distortion factor and modeling modes associated with higher harmonics both at existing enterprises and during their design, which will increase the reliability and efficiency of electrical networks.…”
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Application of stochastic fractal search algorithm in novel harmonic blocking filter design for optimizing harmonic mitigation and hosting capacity in electric distribution systems... by Abdallah Aldosary, Ziad M Ali, Shady H E Abdel Aleem, Ahmed M Zobaa

“…Two multi-objective optimization algorithms: Multi-Objective Artificial Hummingbird (MOAHA) and Multi-Objective Atomic Orbital Search (MOAOS) efficiently determine the ideal HBF design to maximize the system's Harmonic-Constrained Hosting Capacity (HCHC) and minimize PLOSS to support RES while minimizing voltage and current total demand distortion (THDV and TDDI). …”
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High-efficiency nonlinear frequency conversion enabled by optimizing the ferroelectric domain structure in x-cut LNOI ridge waveguide by Su Yawen, Zhang Xinyu, Chen Haiwei, Li Shifeng, Ma Jianan, Li Wei, Niu Yunfei, Qin Qi, Yang Shaoguang, Deng Yu, Zhang Yong, Hu Xiaopeng, Zhu Shining

“…In addition, the performance of nonlinear frequency conversion of the periodically poled nano-waveguide was investigated through second harmonic generation, and the normalized conversion efficiency was measured to be 1,720 % W−1 cm−2, which is close to 60 % that of the theoretical value. …”
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Reforming Industrial Policy of the Region in View of Harmonization and Economic Security by Bezhan Kanoat

“…At the same time the author developed the system of approaches to minimization of economic risks, rise in industrial efficiency in regions at the expense of harmonization of state policy.…”
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Enhancing forest biodiversity indicators in inventories through harmonized protocols by Moreno-Fernández D, Breidenbach J, Cañellas I, Chirici G, D’Amico G, Ferretti M, Giannetti F, Puliti S, Schnell S, Shackleton R, Skudnik M, Alberdi I

“…Once the bird and mammal data have been collected, advanced algorithms could facilitate and enhance the efficiency of the analyses. To optimize the monitoring efficiency, we recommend including these two new biodiversity assessments in a subset of extensive survey plots. …”
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BibexPy: Harmonizing the bibliometric symphony of Scopus and Web of Science by Burak Can Kara, Alperen Şahin, Taşkın Dirsehan

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Comprehensive Analysis of Major Fault-to-Failure Mechanisms in Harmonic Drives by Roberto Guida, Antonio Carlo Bertolino, Andrea De Martin, Massimo Sorli

“…While harmonic drives are crucial for precision and efficiency in robotic manipulators, they are also prone to several failure modes that may affect the overall reliability of a system. …”
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Phase-matched third-harmonic generation in silicon nitride waveguides by Vijayakumar Surendar, Vyas Kaustubh, Espinosa Daniel H. G., Reshef Orad, Song Meiting, Awan Kashif Masud, Choudhary Saumya, Cardenas Jaime, Boyd Robert W., Dolgaleva Ksenia

“…We demonstrate third-harmonic generation in silicon nitride waveguides where a fundamental transverse mode at 1,596 nm is phase-matched to a TM02 mode at 532 nm, confirmed by the far-field image. …”
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