Research of characteristics of spatial and temporal variations of CH4 emission at the water-gas interface of the Inner Mongolia section of the Yellow River and its influencing fact... by Hongxia Bao, Yue Lang, Narentuya, Fang Liu, Liming Qi, Xiaoli Wang

“…However, the monitoring and analysis of factors influencing methane (CH4) emissions from the Yellow River remain inadequate, particularly regarding high-frequency and detailed temporal differentiation studies. …”
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EMD-GM-ARMA Model for Mining Safety Production Situation Prediction by Menglong Wu, Yicheng Ye, Nanyan Hu, Qihu Wang, Huimin Jiang, Wen Li

“…Subsequently, the GM model was used to predict high-frequency signal sequence, while the ARMA model was used to predict low-frequency signal sequence. …”
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Low Hemoglobin among Pregnant Women in Midwives Practice of Primary Health Care, Jatinangor, Indonesia: Iron Deficiency Anemia or β-Thalassemia Trait? by Ari Indra Susanti, Edhyana Sahiratmadja, Gatot Winarno, Adhi Kristianto Sugianli, Herman Susanto, Ramdan Panigoro

“…Hb measurement among pregnant women in low resource area is highly important; however, finger prick test in this study showed a high frequency of anemia which may lead to iron oversupplementation. …”
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An Automatic Recognition Method of Microseismic Signals Based on S Transformation and Improved Gaussian Mixture Model by Kaikai Wang, Chun’an Tang, Ke Ma, Xintang Wang, Qiang Li

“…Blast vibration signals have short duration, high frequency, and complex frequency spectrum, and their dominant frequencies are mainly over 100 Hz. …”
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Thrips dynamics in Allium crops: Unraveling the role of reproductive mode and weather variables in Thrips tabaci population development. by Bettina Porta, Ben Vosman, Pablo González Barrios, Richard G F Visser, Guillermo A Galván, Olga E Scholten

“…In the field populations, a high frequency of heteroplasmic H1 individuals was associated with low precipitation, while all H1 individuals were also associated with high temperature and high relative humidity. …”
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Vibration of Shaft System in the Mixed-Flow Pump Induced by the Rotor-Stator Interaction under Partial Load Conditions by Wei Li, Leilei Ji, Weidong Shi, Yulu Wang, Ling Zhou, Xiaoping Jiang

“…The medium-frequency exciting force and high-frequency exciting force induced by these unstable flows resulting from the rotor-stator interaction are the main factors to intensify the shaft vibration at the power frequency. …”
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The Impact of Length-Scale Variation When Diagnosing the Standard Deviations of Background Error in a 4D-Var System and Filtering Method Investigation by Xiang Xing, Bainian Liu, Weimin Zhang, Xiaoqun Cao, Hongze Leng

“…The results show that the sampling noise is on a small scale displaying high-frequency oscillations around the estimate compared with the estimate and this difference motivates the use of filtering techniques to eliminate the sampling noise effects. …”
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Hybridize Machine Learning Methods and Optimization Techniques to Analyze and Repair Welding Defects via Digital Twin of Jidoka Simulator by Ahmed M. Abed, Tamer S. Gaafar

“…Four clusters are used to identify welding flaws&#x2019; severity to keep them from getting worse via mapping their finite element meshes (MFEM) and using the high-frequency current ring (HFCR) lean technique to identify their size, depth, growth direction (<inline-formula> <tex-math notation="LaTeX">$\boldsymbol {{R}_{s}}$ </tex-math></inline-formula>), and shape deployment via prediction to assign the flaws as Susceptible (S), and preludes to transfer to a Quarantine cluster (Q) to take one decision whether rescued (R), Isolated (I) or Eliminated (E). …”
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Evaluating Wireless Power Transfer Technologies for Electric Vehicles: Efficiency and Practical Implementation of Inductive, Capacitive, and Hybrid Systems by Thamvarit Singhavilai, Jarurote Tippayachai, Kamon Jirasereeamornkul, Chainarin Ekkaravarodome, Taweesak Samanchuen

“…Moreover, IPT has a more straightforward circuit design owing to the lack of high-frequency components, further enhancing its practicality. …”
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Characterization and Atmospheric Drivers of Nocturnal Ozone Enhancement in Putian City, China by Chunsheng Fang, Xiaowei Zhou, Yuxuan Cai, Ju Wang

“…The analysis results show that the frequency of NOE events over Putian City is high, at about 127 days annually, with a high frequency in April and a low frequency in July and August. …”
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Prognostication of Learning Curve on Surgical Management of Vasculobiliary Injuries after Cholecystectomy by Abu Bakar Hafeez Bhatti, Faisal Saud Dar, Haseeb Zia, Muhammad Salman Rafique, Nusrat Yar Khan, Mohammad Salih, Najmul Hassan Shah

“…E2 injuries were associated significantly with high frequency of vascular injuries (66% versus 15.1%) (P=0.01). …”
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Vibration Signal Analysis of Water Seal Blasting Based on Wavelet Threshold Denoising and HHT Transformation by Jiang-chao Liu, Wen-xue Gao

“…The results show that the wavelet threshold method can effectively eliminate high-frequency noise in the blasting vibration signals and retain information carried by the vibration signal itself. …”
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Complete chloroplast genomes of 13 species of the Impatiens genus for genomic features and phylogenetic relationships studies by Qinqin Yong, Meijun Li, Zhi Li, Chao Luo, Jinling Zhang, Xinxiang Bai

“…The frequency of codon usage was essentially the same, with a total of 31 high-frequency codons detected, the vast majority ending in A/U. …”
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Intelligent Turning Tool Monitoring with Neural Network Adaptive Learning by Maohua Du, Peixin Wang, Junhua Wang, Zheng Cheng, Shensong Wang

“…., (a) through distinctively designed experimental technique with comprehensive consideration of cutting parameters and tool wear values as variables, (b) through bisensor fusion for simultaneous measurements of low and high frequency signals, (c) through multitheory fusion of wavelet decomposition and the Relief-F algorithm for performing dual feature extraction and feature dimension reduction to achieve more accurate state identification using neural network, and (d) through an innovative programming technique of MATLAB-nested labVIEW. …”
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Multiple Components of the VHL Tumor Suppressor Complex Are Frequently Affected by DNA Copy Number Loss in Pheochromocytoma by David A. Rowbotham, Katey S. S. Enfield, Victor D. Martinez, Kelsie L. Thu, Emily A. Vucic, Greg L. Stewart, Kevin L. Bennewith, Wan L. Lam

“…However, the described <10% VHL mutation rate cannot account for the high frequency of hypoxic response observed. Indeed, little is known about genetic mechanisms disrupting other complex component genes. …”
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A study of the magnetic field emissions from a vehicle-mounted wireless power transfer system for safe operation when charging EV batteries by Craig McIntyre, Silvia Konaklieva, Artur Benedito Nunes, Richard A. McMahon

“…Where there was a difference in magnitude, the physical measurements highlighted that a High Frequency (HF cable) used within the vehicle assembly (not included in initial simulation) contributed to the magnetic field intensity. …”
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Gene Therapy with Endogenous Inhibitors of Angiogenesis for Neovascular Age-Related Macular Degeneration: Beyond Anti-VEGF Therapy by Selwyn M. Prea, Elsa C. Chan, Gregory J. Dusting, Algis J. Vingrys, Bang V. Bui, Guei-Sheung Liu

“…However, the long-term success of anti-VEGF therapy can be hampered by limitations such as low or variable efficacy, high frequency of administration (usually monthly), potentially serious side effects, and, most importantly, loss of efficacy with prolonged treatment. …”
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Interferometric Study of Ionospheric Plasma Irregularities in Regions of Phase Scintillations and HF Backscatter by Andres Spicher, James LaBelle, John W. Bonnell, Roger Roglans, Chrystal Moser, Stephen A. Fuselier, Scott Bounds, Lasse B. N. Clausen, Francesca Di Mare, Connor A. Feltman, Yaqi Jin, Craig Kletzing, Wojciech J. Miloch, Jøran I. Moen, Kjellmar Oksavik, Rhyan Sawyer, Toru Takahashi, Tim K. Yeoman

“…Abstract We investigate the nature of small‐scale irregularities observed in the cusp by the Twin Rockets to Investigate Cusp Electrodynamics‐2 (TRICE‐2) in regions of enhanced phase scintillations and high‐frequency coherent radar backscatter. We take advantage of the fact that the irregularities were detected by spatially separated probes, and present an interferometric analysis of both the observed electron density and electric field fluctuations. …”
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Optimizing Polar Air Traffic: Strategies for Mitigating the Effects of Space Weather‐Induced Communication Failures Poleward of 82°N by Dabin Xue, Zhizhao Liu, Donghe Zhang, Cheng‐Lung Wu, Jian Yang

“…However, space weather events can disrupt the ionosphere conditions and damage satellites, leading to High‐Frequency (HF) communication blackouts and satellite communication failures. …”
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A comparative study on different machine learning approaches with periodic items for the forecasting of GPS satellites clock bias by Longjiang Song, Jiahao Liu, Leilei Wang, Ziyi Wang, Yibo Yuan

“…Therefore, to ensure high levels of real-time positioning accuracy, it is essential to address the challenge of enhancing satellite clock deviation prediction when high-precision clock data is unavailable. Given the high frequency, sensitivity, and variability of space-borne GPS satellite atomic clocks, it is important to consider the periodic variations of satellite clock bias (SCB) in addition to the inherent properties of GPS satellite clocks such as frequency deviation, frequency drift, and frequency drift rate to improve SCB prediction accuracy and gain a better understanding of its characteristics. …”
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