نتایج جستجو برای: storage capacity

تعداد نتایج: 447401  

2009
Marc M. Hirschmann

Hydrous melting driven by changes in H2O storage capacity may occur in a variety of settings in the mantle, including in oceanic basalt sources and in deeper regions above and below the transition zone. The 50–200 ppm H2O in the upper mantle likely derives from a blend of sources that may include residues of hydrous partial melting, either in the deep mantle and/or beneath arcs or oceanic islan...

1996
Meng-Huang Lee Chun-Hung Wen Chih-Yuan Cheng Fu-Ching Wang Yen-Jen Oyang

This paper proposes a design procedure that exploits storage devices with diierent cost/bandwidth and cost/capacity ratios to build a hierarchical storage system for video-on-demand with minimum cost. The storage system is assumed to have two levels of hierarchy. The level-1 storage devices feature a low cost/bandwidth ratio and a high cost/capacity ratio. On the other hand, the level-2 storage...

Journal: :Neuropsychologia 2016
Iris Wiegand Kristina Hennig-Fast Beate Kilian Hermann J Müller Thomas Töllner Hans-Jürgen Möller Rolf R Engel Kathrin Finke

Attention deficit hyperactivity disorder (ADHD) frequently persists into adulthood. A reduction in visual short-term memory (vSTM) storage capacity was recently suggested as a potential neuro-cognitive endophenotype, i.e., a testable marker of an individual's liability for developing ADHD. This study aimed at identifying markers of the brain abnormalities underlying vSTM reductions in adult ADH...

2012
Jason Rugolo Michael J. Aziz

With sufficient electricity storage capacity, any power production profile may be mapped onto any desired supply profile. We present a framework to determine the required storage power as a function of time for any power production profile, supply profile, and targeted system efficiency, given the loss characteristics of the storage system. We apply the framework to the electrochemical storage ...

Journal: :CoRR 2015
Joshua A. Taylor Johanna L. Mathieu Duncan S. Callaway Kameshwar Poolla

Energy storage can absorb variability from the rising number of wind and solar power producers. Storage is different from the conventional generators that have traditionally balanced supply and demand on fast time scales due to its hard energy capacity constraints, dynamic coupling, and low marginal costs. These differences are leading system operators to propose new mechanisms for enabling sto...

2006
Y. DELAGE M. DUVAL J. - P. BENHAMOU

The influence of dehydrocholate on bromsulphthalein relative-storage capacity, biliary transport maximum (Tm), and fractional transfer rates between plasma, liver, and bile have been studied in unanaesthetized dogs. In six dogs, storage capacity, Tm, and fractional transfer rates from plasma to liver, liver to bile, and liver to plasma were measured during 0-15 M NaCl infusion and the measureme...

2014
Qing Li Shanqing Hu Teng Long Feng Liu

Now, the quality of higher speed and larger capacity are required to the real-time data acquisition and playback storage system. This paper designs a large-scale storage system which uses the optical interface board, synchronous board, and multi storage boards. This system puts forward an advanced storage structure which has several NAND Flashes with multi-buses, forming a parallel pipeline des...

1984
David L. Childs

As secondary storage devices increase in capacity and decrease in cost, current DBMS design philosophies become less adequate for addressing the demands to be imposed by very large database environments. Future dabase management systems must be designed to allow dynamic optimization of the I/O overhead, while providing more sophisticated applications involving increasingly complex data relation...

2017
Nian Shi Yi Luo

Low-CO2-emission wind generation can alleviate the world energy crisis, but intermittent wind generation influences the reliability of power systems. Energy storage might smooth the wind power fluctuations and effectively improve system reliability. The contribution of energy storage to system reliability cannot be comprehensively assessed by the installed capacity of energy storage. The primar...

Magnesium hydride is one of the hydrogen storage materials in solid state that is taken into consideration due to its high storage capacity. This paper investigates the adsorption of magnesium and nickel catalyst combination in 473 K at 2.0 and 3.5 Mpa. A planetary ball mill is used in order to produce fine particles and to increase adsorption. A volumetric method (Sievert) is used for hydrogen...

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