Thermodynamic Analysis of NH3/CO2 Cascade Refrigeration System Considering Actual Compression Efficiency by Liu Li, Li Liansheng, Yang Qichao, Wu Jiawei, Zhang Yongli, Zhang Xiliang

“…Comparative and error analyses were performed using the thermodynamic analysis results of empirical formulas for different compressor isentropic efficiency. The formula that is consistent with the experimental data was used to analyze the maximum coefficient of performance (COPmax), the optimal intermediate temperature (TLC,opt), and the optimal inter-stage capacity ratio (nV,opt) of the system under variable temperature conditions. …”
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Experimental investigation of the performance and energy consumption efficiency of elliptical gear hydraulic pump and evaluation by Taguchi method by Mithat Yanikören

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Research on efficient design method of high torque motor with dual airgap hybrid rotor for aircraft engines by Siyang Yu, Yingjie Xu, Yue Zhang, Guangwei Liu, Fengge Zhang

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Dynamic evolution and network structure characteristics of the wellbeing eco-efficiency of cities in the Yellow River Basin, China by Meixia Wang, Qingyun Zheng, Li Liu

“…The results showed that: First, The WEE in the YRB, upper, middle, and lower reaches have been improved, showing the stage characteristics of “steady growth-fluctuation decline-rapid growth,” and technological progress is the main driving force for efficiency growth. Second, the absolute difference of WEE in the whole and middle reaches shows an expanding trend, and the upper and lower reaches show a decreasing trend. …”
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Improving the Efficiency of a Coagulation-Flocculation Wastewater Treatment of the Semiconductor Industry through Zeta Potential Measurements by Eduardo Alberto López-Maldonado, Mercedes Teresita Oropeza-Guzmán, Adrián Ochoa-Terán

“…Efficiency of coagulation-flocculation process used for semiconductor wastewater treatment was improved by selecting suitable conditions (pH, polyelectrolyte type, and concentration) through zeta potential measurements. …”
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Study on Engineering Application and Degradation Efficiency of Nanoscaled TiO2 Used as Photocatalytic Fog Sealing by Mengchen Li, Zhizhong Zhao, Haizhi Li, Yanmin Wang, Qingliang Wang, Xingxing Zhu, Liang Fan

“…There exists a great difference of the photocatalytic degradation efficiency between nanoscaled TiO2 modified-emulsified asphalt applied as the fog sealing under the indoor and outdoor environment. …”
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Mathematical Modeling and Microparticle Size Control for Enhancing Heat Transfer Efficiency in High-Viscosity Food Suspensions by Hyeonbo Lee, Mi-Jung Choi, Jiseon Lee

“…Nusselt numbers reached values of up to 100 at a temperature difference of 9 °C. Conversely, suspensions containing larger particles exhibited relatively higher Rayleigh and Nusselt numbers under smaller temperature differences. …”
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Efficient Light Trapping in Hexagonal InP Nanostructured Solar Cells Using Plasmonic Al Nanoparticles by Manisha Rautela, Jitendra Kumar

“…However, the impact of Aluminium nanoparticles (Al NPs) on enhancing the efficiency of InP nanowire (NW) SCs has not been studied yet. …”
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Enhancing power efficiency in BLDC motor drives for drones using multiview learning with hybrid optimization algorithms by Anushree Gopalakrishnan, Rani Thottungal

“…Abstract This study explores power efficiency enhancements in BLDC motor drives for drone applications, taking cues from the foraging behavior of the electric eel and gooseneck barnacle optimization. …”
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Impact of artificial intelligence-driven urban renewal strategies green economic efficiency and resident health in China by Jing Peng, Xin Fu, Yufan Peng, Yang Ding

“…IntroductionThis study investigates the impact of AI-driven smart city policies on green economic efficiency and public health. It further explores how industrial structure rationalization, upgrading, and technological innovation capacity moderate these effects, aiming to provide actionable insights for sustainable urban governance.MethodsTo account for potential policy spillover effects, the study adopts a Difference-in-Differences (DID) approach integrated with a Spatial Durbin Model (SDM). …”
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Economic efficiency evaluation, regional technological heterogeneity, and total factor productivity change in the industrial sector of China by Yan Ping, Wu Yingqin, Wu gang, Wasi Ul Hassan Shah

“…The study’s results demonstrate significant disparities in economic efficiency. The eco-efficiency of the industrial sector of China witnessed substantial growth from 2000 to 2012, followed by fluctuations after 2012. …”
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Isotopologue-induced structural dynamics of a triazolate metal-organic framework for efficient hydrogen isotope separation by Linda Zhang, Richard Röß-Ohlenroth, Vanessa K. Peterson, Samuel G. Duyker, Cheng Li, Jhonatan Luiz Fiorio, Jan-Ole Joswig, Robert Dinnebier, Dirk Volkmer, Michael Hirscher

“…Abstract Efficient hydrogen isotope separation remains the biggest challenge due to the nearly identical physicochemical properties of H2 and D2. …”
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Estimation of the influence of heating source temperature on energy efficiency of single-stage absorption thermal transformer cycles by A. A. Dzino, O. S. Malinina

“…Thermodynamic cycles with full heat recovery on the cold (for ABLRM and ABLSDTT) and warm (for ABLSUTT) sides of the regenerative heat exchanger of solutions in the absence of regenerative heat exchanger and cycles with a finite temperature difference between weak and strong solutions are considered…”
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Efficient Adsorption and Utilisation of Methylene Blue by NaOH-Modified Nanocellulose–Polyacrylamide Interpenetrating Network Gels by Yanan Wang, Yanan Lu, Hao Zhong, Minghui Guo, Jingkui Li

“…Moreover, toxicity tests showed no significant difference in the amount of cellular activity, even when the volume of the CNF-PAM5% sample was increased up to 10-fold. …”
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The Impact of Digital–Financial Dual Pilot Policy on Carbon Emission Efficiency: Evidence from Chinese Cities by Xinchun Zhang, Dong Liang, Shuo Zhang

“…Based on this efficiency, this paper employs the staggered difference-in-differences model to discuss the impact of the dual pilot policy on urban carbon emission efficiency. …”
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Annual Simulation of Phase Change Materials for Enhanced Energy Efficiency and Thermal Performance of Buildings in Southern California by Yiu Chan, Thomas Hoke, Kevin Meredith, Xi Chen

“…Under natural ventilation conditions, PCMs can reduce indoor day–night temperature differences in summer to 2.4 °C and 2.2 °C in Riverside, depending on the method used, compared to a 7 °C temperature difference without PCMs. …”
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Efficient Calculation of Propagation Coefficients in Anisotropic Media Through Transfer Matrix Method Based on Eigenvalue Analysis by Jiuyang Fan, Zhixiang Huang, Xiaoli Feng, Yuxian Zhang

“…To explore the anisotropic nature and improve computational efficiency, eigenvalue (EV-) analysis is adopted to implement the transfer matrix method (TMM), abbreviated as EV-TMM, enabling the accurate capture of propagation coefficients with different polarizations under the inhomogeneous multi-layer background. …”
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Light Extraction Efficiency Analysis of Flip-Chip Ultraviolet Light-Emitting Diodes With Patterned Sapphire Substrate by Yu Kee Ooi, Jing Zhang

“…This study investigates polarization-dependent light extraction efficiency (<italic>&#x03B7;</italic>_extraction) of AlGaN-based flip-chip ultraviolet (UV) light-emitting diodes (LEDs) emitting at 230 nm and 280&#x00A0;nm with microdome-shaped patterning on sapphire substrate based on 3-D finite-difference time-domain simulations. …”
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Optimization of key operating parameters to enhance performance and energy efficiency of a hammer mill for corn grinding by Maher Al-Eid, Ahmad Qabatty, Rayad Kubaisi, Abd Al Karim Jaafar

“…Their impact on ground corn productivity, energy consumption, machine efficiency, and compression ratio was assessed. Results were analyzed using Exstate 2014 software, and differences between treatment means were tested using the Least Significant Difference (LSD) test at a significance level of 0.05, with three replications. …”
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Energy efficiency and greenhouse gas emissions: A panel ARDL model of top five emitters in Africa by Abayomi Samuel Oyekale

“…Also, promotion of energy efficiency across industries offers a prospect for ensuring environmental sustainability.…”
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