Improving the efficiency of the “wheel — rail” friction system by V. V. Shapovalov, P. N. Shcherbak, V. M. Bogdanov, E. E. Feyzov, P. V. Kharlamov, V. A. Feyzova

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Effect of the Frictional Properties of Sunflower Seeds on the Efficiency of Pressing Equipment by Berezin M., Borisov V.

“…The obtained data are of practical importance and can be used to improve the efficiency of pressing equipment.…”
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Assessing Functional Efficiency of Courtyards by Yaghoob Peyvastehgar, Aliakbar Heidari, Maryam Kiaee

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IMPROVE THE EFFICIENCY OF SEISMIC WITH RUBBER MOUNTS ELEMENTS COMBINED WITH DRY FRICTION by A. D. Abakarov, Kh. M. Omarov

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INFLUENCE OF THE GREASE TYPE ON THE FRICTION AND EFFICIENCY OF THE BALL SCREWS. EXPERIMENTAL DETERMINATIONS by Vasile PUIU, George C. PUIU

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Technical Efficiency Versus Land-Use Efficiency: A Spatio-Temporal Efficiency Analysis of China’s Crop Production by Fang Yin, Zhanli Sun, Liangzhi You, Vivian Wei Huang

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Research on Meshing Efficiency of Gear Pairs Based on Dynamic Sliding Friction Factors by Fu Jingbo, Qiao Mingming, Guo Zhili, Chen Jiangyi

Subjects: “…Friction factor…”
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A review on frictional torque reduction approaches for energy efficient roller bearings by Mohammad Lutfar Rahaman, Esteban Bernal, Maksym Spiryagin, Colin Cole, Roger Buckley, Qing Wu

“…This review examines various strategies to enhance the energy efficiency of roller bearings by reducing frictional torques from multiple sources: roller rolling resistance, sliding friction at roller ends, lubricant agitation, interactions with bearing cages, and frictional losses in seals. …”
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Evaluation of efficiency index of friction energy dissipation devices using endurance time method by Amir Shirkhani, Bahman Farahmand Azar, Mohammad Charkhtab Basim

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Efficiency and cost of economical brain functional networks. by Sophie Achard, Ed Bullmore

“…These brain functional networks were small-world and economical in the sense of providing high global and local efficiency of parallel information processing for low connection cost. …”
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DIRECTIONS OF INCREASE OF EFFICIENCY OF FUNCTIONING OF THE INSTITUTION OF BANKRUPTCY by Antonina Nikolaevna Ryakhovskaya

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Efficient Application of the Voigt Functions in the Fourier Transform by Sanjar M. Abrarov, Rehan Siddiqui, Rajinder K. Jagpal, Brendan M. Quine

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EFFECTS OF INVOLUTE SPUR GEAR STRUCTURE PARAMETERS ON MESHING EFFICIENCY by ZHANG BaoFeng, CUI YaHui, LIU Kai, Dong YaWen

Subjects: “…Instantaneous efficiency…”
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Support Vector Regression-Based Optimization for Triple Friction Pendulum Bearings: Achieving Computational Efficiency by Mahnaz Akbarzaghi, Behrooz Ahmadi Nedushan, Hamed Tajammolian

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An Efficient Global Optimization Approach for Reliability Maximization of Friction-Tuned Mass Damper-Controlled Structures by Fábio F. S. Nascentes, Rafael H. Lopez, Jose Eduardo S. Cursi, Rubens Sampaio, Leandro F. F. Miguel

“…It is now widely acknowledged that uncertainties inherent to the earthquake loading and structural parameters must be taken into account in the design process. In the case of friction-tuned mass dampers (FTMDs), this optimization under the uncertainty problem leads to the following issues: (a) the high computational cost of the objective function since we are dealing with time-dependent reliability analysis of nonlinear dynamical models and (b) the nonconvexity and multimodality of the resulting optimization objective function. …”
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THE STUDY OF THE EFFICIENCY INDICATORS FOR DIFFERENT TYPES OF PRODUCTION FUNCTIONS by NADIA ELENA STOICUȚA

Subjects: “…production function…”
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Estimating Efficiency of Business Ecosystem Functioning in Digital Economy by O. E. Kalenov

“…In each of the 4 groups the author identifies factors for estimation and underlines that they can be corrected depending on specific functioning of concrete business-ecosystem. The provided methodology can be used by management of organizations dealing with business-ecosystem building, investors, heads of ministries and departments supervising these directions in order to analyze and take steps aimed at raising the efficiency of the work.…”
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EVALUATION OF RELIABILITY AND EFFICIENCY OF ELECTRONIC MEDICAL SYSTEMS FUNCTIONING by S. M. Borovikov, I. N. Tsyrelchuk, S. S. Dick, N. N. Tsyrelchuk

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Research on Efficiency Evaluation of Multi-functional Heat Pump by Jiang Mingliu, Wu Jingyi, Wang Ruzhu, Xu Yuxiong

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Efficient time-dependent Wannier functions for ultrafast dynamics by Cristian M. Le, Hannes Hübener, Ofer Neufeld, Angel Rubio

“…Time-dependent Wannier functions were initially proposed as a means for calculating the polarization current in crystals driven by external fields. …”
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