Anaerobic Biohythane Production in an Internal Two-Stage Bioreactor: Kitchen Waste Concentration Optimization by Peer Mohamed Abdul, Chyi-How Lay, Chiu-Yue Lin, Tan-Phat Vo, Chia-Min Chang

“…An internal two-stage bioreactor constructed with a hydrogen chamber and a methane chamber with a working volume of 300 mL and 4700 mL, respectively, was operated using various kitchen waste (KW) concentrations from 10 to 80 g COD/L with a hydraulic retention time of 2 days to characterize the biomethane production performance. …”
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Identification and Prioritization of Challenges and Development Technologies in One of Iran's Oil Fields in a Well-based Approach by Yasin Khalili, Mohammadreza Akbari, Hossein Heirani, Mohammad Ahmadi

“…Key technological solutions include improving drilling methods, utilizing downhole sensors, hydraulic fracturing, acidizing, and deploying smart systems in producing wells. …”
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Study on Reasonable Layout of Upper Protective Layer for Prevention Rock Burst under Coal Seam Group with Close Quarters Conditions by Hui-Wu Jin, Zeng-Qiang Yang

“…A new stress superposition area is formed at the middle to lower end part of advance mining face of panel 3203 for the stage II under the optimal layout scheme conditions, and the maximum stress concentration coefficient is about 2.4; the original L-shaped stress superposition area is gone due the transfer and release of stress, and the optimal layout scheme has a very significant effect on the prevention and control of the subsequent rock burst accidents; the monitoring results of working resistance of hydraulic supports and surrounding rock deformation indicate that the overall pressure relief of the surrounding rock in advanced segment of 3205 tailgate can be effectively realized. …”
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Improved PID Control Design for Electric Power Steering DC Motor by A. Turan

“…As technology continues to evolve, the hydraulic power steering system (HPS) used for steering control in vehicles had begun to be changed by the electric power steering (EPS) system, which offers the advantage of better controllability. …”
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Research on Effectiveness and Application of Fixed-Plane Perforation Fracturing Technology in Ultra-Low-Permeability Reservoir by Penghui Duan, Xiaofei Wang, Xiaojia Xue, Xiangping Li, Baoqiang Lv, Xiujie Lei, Jun Bu, Haigang Wang

“…., using fixed-plane perforation to form a sector stress concentration surface perpendicular to the axis of the wellbore, which makes hydraulic fracture expand radially along the wellbore and control the longitudinal direction of the fracture. …”
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A Review of AI Applications in Unconventional Oil and Gas Exploration and Development by Feiyu Chen, Linghui Sun, Boyu Jiang, Xu Huo, Xiuxiu Pan, Chun Feng, Zhirong Zhang

“…This paper systematically reviews the current applications and development trends of AI in unconventional oil and gas exploration and development, covering major research achievements in geological exploration; reservoir engineering; production forecasting; hydraulic fracturing; enhanced oil recovery; and health, safety, and environment management. …”
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Prioritization of Susceptible Watershed to Sediment Yield and Evaluation of Best Management Practice: A Case Study of Awata River, Southern Ethiopia by Temesgen Kefay, Tolera Abdisa, Bekan Chelkeba Tumsa

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Numerical Study of Concentric Brace Equipped with the Eccentric Elements for Strengthening Buildings by Asadullah Attal, Mohammad Ali Kafi

“…To address this imperfection and induce the seismic response of the concentrically braced frames, several methods proposed to optimize the performance of concentric braces as; using ductile connections, incorporating shear dissipators, hydraulic or mechanical dampers, frictional dissipators, and restrained braces to avoid buckling. …”
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Generating Rainfall IDF Curves Using IMD Reduction Formula and Choosing the Best Distribution for Babylon City, Iraq by Sajad Khalil Al‐Jalili, Haider M. Zwain, Ali Mohsen Hayder

“…ABSTRACT Intensity‐duration‐frequency (IDF) models are considered one of the most important tools used in water resources projects, as well as the design and planning of hydraulic structures such as sewerage channels, bridges, culverts, and road networks. …”
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Assessing climate sensitivity of the Upper Indus Basin using fully distributed, physically-based hydrologic modeling and multi-model climate ensemble approach by Hamna Hasan, Muhammad Zia ur Rahman Hashmi, Syed Imran Ahmed, Muneer Anees

“…A coupled hydrologic/hydraulic model, MIKE SHE/MIKE HYDRO RIVER, was used to calibrate and validate the model using streamflow data at the Shatial gauge station. …”
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Removal Characteristics of Organic Pollutants from Eutrophic Raw Water by Biological Pretreatment Reactors by Guangcan Zhu, Zhonglian Yang, Xiwu Lu

“…In CSBR at 5.5~13°C, 57.5% of atrazine was removed at 2 h hydraulic retention time, with background concentration of 136.5 ng/L. …”
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Fabrication of Ag:TiO2 Nanocomposite Thin Films by Sol-Gel Followed by Electron Beam Physical Vapour Deposition Technique by Manish Kumar, Krishna Kumar Parashar, Sushil Kumar Tandi, Tanuj Kumar, D. C. Agarwal, Abhishek Pathak

“…Targets for this deposition were prepared by a hydraulic press using a powder containing Ag and TiO2 prepared by sol-gel technique. …”
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Effect of Rotation Speed and Flow Rate on Slip Factor in a Centrifugal Pump by Bo Chen, Baolin Song, Bicheng Tu, Yiming Zhang, Xiaojun Li, Zhigang Li, Zuchao Zhu

“…The modified model is suitable for the correction of slip factor at part-load flow rates and serves as a guide for the hydraulic performance design and prediction of centrifugal pumps.…”
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Structure formations and properties of natural anhydrite at complex activation by A. F. Gordina, I. S. Polyanskikh, A. N. Gumeniuk, T. A. Plekhanova

“…Determination of strength parameters and establishment of the optimum activator were carried out using a hydraulic laboratory press. The chemical composition of metallurgical dust was analyzed using X-ray fluorescent spectrometer with wave dispersion. …”
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Two-Phase Flow Model for Numerical Investigation of Impact of Water Retention on Shale Gas Production by Ershe Xu, Lingjie Yu, Ming Fan, Tianyu Chen, Zhejun Pan, Yuling Tan, Guanglei Cui

“…This work can give a better understanding of the two-phase flow process in shale reservoirs and shed light on the field application of hydraulic fracturing.…”
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Mechanical properties of pressure-frozen ice under triaxial compressive stress by Peixin Sun, Weihao Yang, Jukka Tuhkuri

“…To study the compressive strength of frozen soil under high ground pressure and high hydraulic pressure, it is necessary to understand the mechanical behaviour of ice that is formed under triaxial compressive stress. …”
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Effect of Stress and Moisture Content on Permeability of Gas-Saturated Raw Coal by Junhui Wang, Zhijun Wan, Yi Wang, Zhixiang Liu, Sifei Liu, Hongwei Zhang, Qiuyan Pei

“…Hydraulic fracturing and premining gas drainage are important to safe mining and coalbed methane extraction. …”
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Rough Set Neural Network Feature Extraction and Pattern Recognition of Shaft Orbits Based on the Zernike Moment by Xinfeng Ge, Jing Zhang, Ye Zhou, Jianguo Cai, Hui Zhang, Hongchang Hua, Dong Chen, Ming Zhao, Jinqi Du, Yuan Zheng

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CHARACTERIZATION OF ISOBATHS IN THE CENOMANIAN RESERVOIR OF THE MUANDA FIELD – IMPLICATIONS FOR OPTIMAL OIL RESOURCE MANAGEMENT by Marlin Agolo Monza, Franck Tondozi Keto, Raphael Matamba Jibikila, Yves Bolokole Mpehenzale, Osée Mayinga Mayinga

“…The results underline the importance of a geostatistical approach to resource management, identifying target areas for potential interventions such as hydraulic fracturing. This study thus contributes to a better understanding of reservoir dynamics and to the formulation of appropriate strategies for the sustainable exploitation of petroleum resources in the Muanda region.…”
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Effects of Real-Time High Temperature and Loading Rate on Deformation and Strength Behavior of Granite by YiFeng Zhang, Fan Zhang, Ke Yang, ZhengYu Cai

“…Under real-time high-temperature conditions, the thermal crack effect has a significant influence on the uniaxial compressive strength and elastic modulus of granite, without the thermal hardening effect of quenched granite. During hydraulic fracturing, the rock skeleton near the injection well is cooled and shrunk, as is the thermal hardening effect caused by high-temperature quenching. …”
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