Results 31 to 40 of about 980,794 (310)

Research and suggestions on the grid-connected operation management policy of new energy in Hunan Province [PDF]

E3S Web of Conferences
Large-scale new energy access to the power grid will cause a series of problems such as the decrease of system frequency and voltage strength, affecting the safe and stable operation of the power grid.
Jie Sheng, Kun Zhang, Ding Wang, Kaili Yang, Kela Liao, Guangming Zhu, Xinrui Yao   +6 more
doaj   +1 more source

COUNTERVAILING POWER AND DYNAMIC EFFICIENCY [PDF]

Journal of the European Economic Association, 2011
This paper studies the impact of buyer power on dynamic efficiency. We consider a bargaining model in which buyer power arises endogenously from size and may impact on a supplier’s incentives to invest in lower marginal cost. We challenge the view frequently expressed in policy circles that the exercise of buyer power stifles suppliers’ incentives ...
Inderst, Roman, Wey, Christian
openaire   +2 more sources

The influence of training status, age, and muscle fiber type on cycling efficiency and endurance performance. [PDF]

, 2013
The purpose of this study was to assess the influence of age, training status, and muscle fiber-type distribution on cycling efficiency. Forty men were recruited into one of four groups: young and old trained cyclists, and young and old untrained ...
Wiles, J., Hopker, J., Coleman, Damian A, Jobson, Simon A., Gregson, Hannah C, Wiles, Jonathan, Coleman, D., Gregson, H., Coleman, Damian A., Hopker, James G., Passfield, L., von der Haar, Tobias, Passfield, Louis, Von der Haar, T., Jobson, S., Gregson, Hannah C.   +15 more
core   +1 more source

Study on Slagging Characteristics of Co-Combustion of Meager Coal and Spent Cathode Carbon Block

Energies, 2023
The harmless disposal of spent cathode carbon blocks (SCCBs) has become an urgent issue in the primary aluminum industry, and the disposal of SCCBs by co-combustion in pulverized coal boilers is expected to be the most effective treatment method.
Jigang Zhang, Zijun Liu, Xian Li, Bin Wang, Zhaocai Teng, Kuihua Han   +5 more
doaj   +1 more source

Synthesis of Activated Carbon Derived from Garlic Peel and Its Electrochemical Properties

International Journal of Electrochemical Science, 2021
In this paper, hydrochloric acid pretreatment process was used to fabricate the garlic peel-based activated carbon (HGAP) with garlic peel as carbon precursor and KOH as an activator. The single factor experiment method was used to explore the effects of
Tongtong Ji, Kuihua Han, Zhaocai Teng, Jinxiao Li, Meimei Wang, Jigang Zhang, Yang Cao, Jianhui Qi   +7 more
doaj   +1 more source

Review of Efficiency CMOS Class AB Power Amplifier Topology in Gigahertz Frequencies [PDF]

, 2022
This paper reviewed the efficiency of CMOS class AB power amplifier topology especially in gigahertz frequencies. CMOS class AB power amplifier is a compromise between class A and class B in terms of linearity and efficiency between 50% to 78.5%. However,
Masra, S.M.W., Sa’ Ahmad, D.A, Julai, N., Hong Ping, Kismet, Sohiful A.Z., Murad, Rohana, Sapawi, Sawawi, M., Kipli, K.   +7 more
core   +1 more source

Cooling performance between natural draft cooling system and pre-spray cooling system of photovoltaic modules

Xi'an Gongcheng Daxue xuebao, 2022
In order to solve the problem of low photoelectric conversion efficiency caused by high operating temperature of photovoltaic modules, a pre-spray cooling system for photovoltaic modules driven by buoyancy was proposed.
HE Suoying, LIU Tiantian, ZHANG Qi, MIAO Jiayu, ZHANG Zhiyuan, GAO Ming   +5 more
doaj   +1 more source

Development of Thermochemical Heat Storage Based on CaO/CaCO₃ Cycles: A Review

Energies, 2021
Due to the inconsistency and intermittence of solar energy, concentrated solar power (CSP) cannot stably transmit energy to the grid. Heat storage can maximize the availability of CSP plants.
Ying Yang, Yingjie Li, Xianyao Yan, Jianli Zhao, Chunxiao Zhang   +4 more
doaj   +1 more source

5. On the Efficient Powers of Parturition [PDF]

Proceedings of the Royal Society of Edinburgh, 1872
There can be no doubt that, among the numerous matters at present occupying the attention of obstetricians, none is more important than the subject of this paper. So evident is the correctness of this statement that one cannot but wonder why attempts to arrive at the truth have been, so far as we know, delayed till the present day.
openaire   +1 more source

Power efficiency of thin clients [PDF]

European Transactions on Telecommunications, 2010
AbstractWorldwide, awareness for energy consumption is rising because of global energy production limits as well as because of environmental concerns. As the energy fraction currently consumed by ICT‐related equipment is substantial (about 8 per cent of electricity consumption worldwide in the use phase) and the growth rate in this particular sector is
Willem Vereecken, Lien Deboosere, Pieter Simoens, Brecht Vermeulen, Didier Colle, Chris Develder, Mario Pickavet, Bart Dhoedt, Piet Demeester   +8 more
openaire   +3 more sources