نتایج جستجو برای: capacity utilization cu

تعداد نتایج: 452291  

Journal: :MATEC web of conferences 2021

Data on the damping capacity of Mn – Cu alloys are adduced. The results studying influence alloying elements, natural ageing at temperatures 293 K, 273 K and 263 stability presented. high decreases by 4 ... 6 times during remains 1,7 years K. analysis factors that should be considered responsible for a sharp decrease in is submitted.

J Nazemi M Modarres

The revenue management concept and techniques are applied to model the coordination of supply chain elements. The fundamental premise of this approach is synchronization of a group of business entities consist-ing of a manufacturer and multiple suppliers to achieve an optimal supply chain capacity plans. The output of the supply chain can be various products and thus it is measured in terms of ...

Journal: :Journal of environmental quality 2004
A J Franzluebbers S R Wilkinson J A Stuedemann

An understanding of the long-term cycling of trace elements in soil with broiler litter fertilization under various forage utilization strategies is needed to develop sustainable agricultural production systems. We evaluated differences in Cu, Mn, Zn, and six other trace elements in response to 5 yr of bermudagrass [Cynodon dactylon (L.) Pers.] management varying in fertilization and harvest st...

Journal: :American economic journal. Economic policy 2016
Seth Freedman

Because geographic variation in medical care utilization is jointly determined by both supply and demand, it is difficult to empirically estimate whether capacity itself has a causal impact on utilization in health care. In this paper, I exploit short-term variation in Neonatal Intensive Care Unit (NICU) capacity that is unlikely to be correlated with unobserved demand determinants. I find that...

The mesoporous carbon (CMK-3) functionalized with ethylenediamine (EDA) has been synthesized (CMK-3-EDA) and applied as a new mesoporous adsorbent for removal of Cu(II) and Pb(II) cations from aqueous solutions. Nitrogen adsorption–desorption measurements (BET) show that surface area, pore size and pore volume of CMK-3 were significantly changed after amine modification. The BET surface area an...

Journal: :Journal of Electrical and Computer Engineering 2023

In recent years, the combination of cognitive radio and collaborative communication has been widely studied applied because its ability to increase user throughput improve spectrum utilization in a flat-fading wireless channel environment. Such networks that use collaboration capacity are called networks. A Nash equilibrium game-based relay node selection algorithm is investigated, which aims m...

2006
G. Christopher Shank Robert F. Whitehead Michelle L. Smith Stephen A. Skrabal Robert J. Kieber

Exposure to solar radiation substantially decreased the strong copper-complexing capacity of samples collected from the organic-rich Cape Fear estuary, North Carolina. Samples exposed to natural sunlight for 1–2 d experienced a loss of strong Cu ligand (modeled at fixed K9CuL 5 1013.5) ranging from 15–33%, and .90% using long-term exposures under controlled conditions with a Xe arc solar simula...

2013
Yong Wang

Optimization of Cd (II), Zn (II) and Cu (II) biosorption from contaminated water were performed as function of parameters (pH, contact time, initial metal ions concentration and yeast dose). The experimental results showed that the highest equilibrium adsorption capacity at the optimum pH were 8.5 for Cd (II) and 6 for Zn (II) and 6 for Cu (II). Optimum pH values were carried out to evaluate ot...

2010
Salem M. Hamza Hanan F. Ahmed

Optimization of Cd (II), Zn (II) and Cu (II) biosorption from contaminated water were performed as function of parameters (pH, contact time, initial metal ions concentration and yeast dose). The experimental results showed that the highest equilibrium adsorption capacity at the optimum pH were 8.5 for Cd (II) and 6 for Zn (II) and 6 for Cu (II). Optimum pH values were carried out to evaluate ot...

Journal: :Physical chemistry chemical physics : PCCP 2012
Chengxi Zhang Peng Zhang Shuirong Li Gaowei Wu Xinbin Ma Jinlong Gong

This paper describes the utilization of skeletal Ni-based catalysts for steam reforming of ethanol to produce CO-free hydrogen, which could be superior in the application of fuel cells. Assistant metals play different roles in the reaction; Pt and Cu suppress the methanation and enhance H(2) production, while Co promotes the methanation.

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