Energy Conversion Efficiency of the Bulk Photovoltaic Effect by Andreas Pusch, Udo Römer, Dimitrie Culcer, Nicholas J. Ekins-Daukes

“…Therefore, the BPVE is not subject to the Shockley-Queisser limit for sunlight to electricity conversion in single-junction solar cells and experimental claims of efficiencies beyond this limit have been made. Here, we show that BPVE energy conversion efficiencies are, in practice, orders of magnitude below the Shockley-Queisser limit of single-junction solar cells and are subject to different, more stringent limits. …”
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EFFICIENCY EVALUATION THE CLIENT POLICY OF COMMERCIAL BANK by Yury Metel, Natalia Kunitsyna

“…The essence and content of client policy of commercial bank are considered. The different directions of customer relations allowing to evaluate efficiency of client policy of credit institution and also their interference are provided and characterized. …”
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Contemporary Targets for Control of Efficient Energy Use by Yu. S. Petrusha

“…Targets for control of energy use at different levels have been considered in the paper. …”
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The Examination of SQL Queries Efficiency in Chosen IT System by Krzysztof Barczak

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EFFICIENCY AND SAFETY OF VACCINATION AGAINST CHICKENPOX IN CHILDREN by A.G. Rumyantsev

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METHODOLOGICAL FEATURES OF EFFICIENCY MANAGEMENT OF TRADING CENTERS by O. S. Tokmacheva

“…Results: Basing on evaluation of opinions of different researchers in the sphere of trade, and the author’s own research, the methodology is elaborated for efficiency management of trading centers basing on synergy effect principle of all constituting elements. …”
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Research of the Efficiency Characteristic of Hydro-mechanical CVT by Zhu Zhen, Gao Xiang, Zhu Yu, Pan Daoyuan, Han Meimei

“…A hydro-mechanical continuously variable transmission（HMCVT） with a single planetary gear is introduced,and the power transfer of the transmission is analyzed.The efficiency characteristic of transmission is researched from different angles through the definition method and the meshing power method,and the main factors which influence the efficiency of transmission are acquired,the theoretical foundation for the optimization of design scheme and increasement of the transmission efficiency is established.A test bench of hydraulic system is designed,and the main factors which influence the efficiency of hydraulic system are analyzed.A test bench of HMCVT is established,the stepless regulation speed characteristic curves and efficiency characteristic curves are acquired,and the test results are analyzed.…”
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The influence of population on the economic efficiency of the metropolitan governance by Yuriy V. Pavlov

“…There is a need to develop a quantitatively justified methodology for choosing the optimal metropolitan governance model for different types of metropolitan areas. It has been emphasized in some federal documents of Russia, for example, in the “Recommendations for the selection of pilot projects for approbation and improvement of mechanisms for managing the development of metropolitan areas in the Russian Federation”.Materials and methods. …”
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ABOUT FORMS, EFFICIENCY AND ASSESSMENT OF ENVIRONMENTAL MANAGEMENT by H. Bachev

“…It incorporates an interdisciplinary approach (Economics, Organization, Law, Sociology, Ecology, Technology, Behavioral and Political Sciences) and includes: specification of managerial actors, needs and spectrum of governing modes (institutional environment; private, collective, market, public modes) at different level of decision-making (individual, farm, eco-system, local, regional, national, transnational, global); specification of critical socio-economic, natural, technological, behavioral etc. factors of managerial choice, and feasible spectrum of managerial forms; defining and assessing comparative and absolute efficiency of eco-management forms and system; improvement of forms of public intervention in eco-management.…”
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ASSESSING THE EFFICIENCY OF UNIVERSITIES' INTERACTION WITH EXTERNAL PARTNERS by Valery M. Zuev, Sergey V. Manakhov, Alla V. Ryzhakova

“…The authors ground the expediency of designing a new system of links between educational institutions and different agents of external social and economic environment, discuss possible approaches to assessing the efficiency of such interaction and come to the conclusion about the importance of improving the present tools of assessment. …”
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Wise political education: characteristics, principles and efficiency by Mahdi Naderi, Shohreh Pirani

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An Efficient Numerical Method for the Solution of the Schrödinger Equation by Licheng Zhang, Theodore E. Simos

“…More specifically we will study (1) the development of the new method, (2) the determination of the local truncation error (LTE) of the new method, (3) the local truncation error analysis which will be based on test equation which is the radial time independent Schrödinger equation, (4) the stability and the interval of periodicity analysis of the new developed method which will be based on a scalar test equation with frequency different than the frequency of the scalar test equation used for the phase-lag analysis, and (5) the efficiency of the new obtained method based on its application to the coupled Schrödinger equations.…”
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Experimental Investigation of R744 Ejector Efficiency by Zhang Jinrui, Wu Jingyi, EIKEVIK Trygve Magne

“…The performance of a new ejector is investigated experimentally in this paper. A range of different test points is tested in order to give an overall view of the ejector performance. …”
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EFFICIENCY OF STRUT-FRAMED BEAMS WITH OPTIMAL PARAMETERS by A. K. Yusupov, Kh. M. Muselemov, T. O. Ustarkhanov

“…Many numerical examples were carried out, and a pilot design of strut-framed beams with different design characteristics was carried out. The corresponding tables were compiled. …”
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Efficiency of Modern Wind Turbines in Real Conditions by Kostiantyn Pokrovskyi, Olgerd Mavrin, Andriy Muzychak

“…The paper estimates the economic efficiency of wind farm generators of different capacities. …”
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An effective and efficient hierarchical -means clustering algorithm by Jianpeng Qi, Yanwei Yu, Lihong Wang, Jinglei Liu, Yingjie Wang

“…K -means plays an important role in different fields of data mining. However, k -means often becomes sensitive due to its random seeds selecting. …”
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Increasing the Efficiency of Solar Electric Power Utilization by V. A. Pobedushkina

“…A review of relevant literature and scientific-practical studies confirms the versatility of solar trackers in different geographical and climatic zones. The study includes calculations of key investment attractiveness indicators for projects utilizing solar trackers and stationary systems, demonstrating the low efficiency of the latter. …”
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RETRACTED: Energy-Efficient Manufacturing: Opportunities and Challenges by Singh Mahendra Pratap, Sharma Pankaj, Dubey Yogesh, Rao GVR. Seshagiri, Mohammad Q., Lakhanpal Sorabh

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The Eco-Efficiency and Sustainable National Projects in Egypt by Khaled Gaber EL Sakty

“…In Marlog 2, the Operational Thinking has been discussed using different supply chain approaches including SCOR and Lean Thinking. …”
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Recent Advances in Efficient Dynamic Graph Processing by Zi Chen, Keke Liang, Long Yuan, Wenjie Zhang, Zhengyi Yang

“…We summarize the computational complexity models for dynamic algorithm analysis, theoretically compare the efficiency of algorithms among different research topics. …”
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