... NHK BROADCASTING STUDIES 2002 No.1 ...
Ngày tải lên: 01/11/2013, 14:42
... Jaffer Ali Chapter 7: The Wonder of it All Chasing String in the Digital Era Marketing with Wonder Being In the Zone’ Dreams of the Heart O Captain, My Captain Abandoning Fear Taking Flight with Black ... is the Mind-killer Media and Marketing Beyond The Algorithm 55 About the Author Endorsements What Are They Saying About Chasing String in the Digital Era? “Jaffer Ali’s prose is about all things ... talking points on the minutia of differences between them Now for the speculation We have demonstrated that the pigeon is in the inside front pocket But why does the MSM wish to continue the...
Ngày tải lên: 21/02/2014, 14:20
Countering Piracy in the Modern Era pptx
... delivered That said, the accords only extend to the United States, the UK, and the EU, meaning that they have no relevance to the other dozen international navies operating in the region In addition, ... century, are composed of influential insurers and reinsurers and will act in concert to protect the interests of their members 4 Countering Piracy in the Modern Era The trigger for these measures was ... Maersk-Alabama the first case of a U.S.-flagged vessel being attacked in the waters off the Horn of Africa Countering Piracy in the Modern Era lia since the fall of the Said Barre dictatorship in 1991...
Ngày tải lên: 15/03/2014, 21:20
“OF COURSE IT’S TRUE; I SAW IT ON THE INTERNET!” Critical Thinking in the Internet Era pptx
... on the process of finding an answer than on analyzing the actual information The difficulties students encountered suggest this practice is of little use in determining the accuracy of online information ... greatest problem facing researchers was finding information; now, with the advent of the Internet, the greatest problem is evaluating the vast wealth of information available Students in this survey ... the Internet is an unmonitored method of sharing information better than other students, which suggests these skills are simply not sufficient when evaluating online information In the past, the...
Ngày tải lên: 15/03/2014, 22:20
university alabama press stone tool traditions in the contact era sep 2003
... and other enterprises continued their trade in a wide variety of pelts in Canada well into the twentieth century Deerskins became a major trade item in the 1700s and into the 1800s in the southeastern ... with the establishment of the United States, often involving lithic sources Groups east of the Pawnee in the Central Great Plains were displaced westward in the nineteenth century, forcing the introduction ... identifying changes in the organization of lithic technology in the Contact era With the subtle technological changes that were occurring in the early Contact era, we may ¤nd that indirect lines...
Ngày tải lên: 11/06/2014, 12:52
Energy Storage in the Emerging Era of Smart Grids Part 1 pptx
... energy is stored in the body in the form of high-energy molecules such as Adesonine Three-Phosphate (ATP), maintaining the body at a constant temperature of about 37°C; the investigation of this ... their operating temperature (at the moment it is limited at about 80 °C); high temperature avoids the existence of two phase flow in the flow field so enhancing stability and reliability of the ... management of the loads The diffusion of storage technologies in the public grid include several benefits: the optimization of the grid for the fulfilment of base-load the way to facilitate the power...
Ngày tải lên: 19/06/2014, 10:20
Energy Storage in the Emerging Era of Smart Grids Part 2 pot
... electrical machine operating in motor mode When required the energy stored in the rotor can be released by operating the electrical machine in generator mode producing electricity Conditioning of the electrical ... shown in Figure The energy stored in the rotor is increased by accelerating the rotor to higher speeds, i.e the FES is being charged In electromechanical systems, the rotor is accelerated by the ... drives the rotor using the common shaft In other designs the electrical machine is integrated into the rotor hub structure During rotor rotation, centrifugal forces generate stresses in the circumferential...
Ngày tải lên: 19/06/2014, 10:20
Energy Storage in the Emerging Era of Smart Grids Part 3 pdf
... only linearly with the inertia Izz The inertia of the outer rims has more in uence on the kinetic energy than the one in the inner rims It should be noted that in typical FES applications the ... finding an optimum in the nearby region of the initial starting guess; however, these methods work very efficiently in the vicinity of the optimum Global methods aim at obtaining the global minimum ... setting all fuzzy systems, they can make inferences from numerical values of the input variable, to obtain the value of the output variable, the operating volume of the reservoirs in the interval...
Ngày tải lên: 19/06/2014, 10:20
Energy Storage in the Emerging Era of Smart Grids Part 4 pot
... considering the same remaining operating conditions Therefore, differences in behavior in the operation of the hydroelectric system will result only from the operational rules used In this study, the ... taken at interval of the planning depends on the decisions taken in the past and determine the future development of the hydroelectric system, the use of stored energy in the last interval of the ... the river basin of the system) as the starting month for all case studies In all case studies, the initial volume stored in the reservoirs was considered as being equal to the maximum operating...
Ngày tải lên: 19/06/2014, 10:20
Energy Storage in the Emerging Era of Smart Grids Part 5 docx
... at the temperature of 100 ºC The lost weight in the beginning may be some water and other molecule ingredients And then the weight decreased sharply from 160 to 350 ºC because of the cracking ... a thermal treatment in the interface of microPCMs and epoxy matrix obviously, as shown in Fig 16 (d-f) With the increasing of Ct, the absorbingreleasing of latent heat will more intensively in ... to investigate the interfacial phenomena generated by the expansion or shrinking of the microPCMs during temperature change Under this simulant and controlled thermal treatment conditions, the...
Ngày tải lên: 19/06/2014, 10:20
Energy Storage in the Emerging Era of Smart Grids Part 6 pptx
... According to the chemiosmotic hypothesis, the electro-chemical driving force for transferring potassium ions into the matrix, leads to the opening of KATP channel which in turn results in osmotic ... for which there is sufficient experimental data available in literature This will provide the chance to evaluate the theoretical results generated by the model by comparing them against the experimental ... operating waveforms Q1:OFF Q2:ON Q1:OFF Q2:OFF DT B A Q1:OFF Q2:ON 164 Energy Storage in the Emerging Era of Smart Grids The operation of the NBDC of Fig 3.a is as follows The inductor is the...
Ngày tải lên: 19/06/2014, 10:20
Energy Storage in the Emerging Era of Smart Grids Part 7 pptx
... Storage in the Emerging Era of Smart Grids energy generating sets (EGS) still are and will probably be in near future based mainly on generators driven by combustion engines using fossil fuels EGS initially ... every speed If the load power is higher then PLmax then the engine cannot deliver the requested torque and the result is further decrease of the speed and torque of the engine until the undesirable ... then the output power of engine is 1900 W and the power margin of engine is as high as 1700 W If the power increase is higher, then the diesel engine cannot develop enough power required by the...
Ngày tải lên: 19/06/2014, 10:20
Energy Storage in the Emerging Era of Smart Grids Part 8 potx
... inorganic materials The configuration of the proteins is determined by the genetic information Hence, modifying the genetic information in DNA creates modified proteins and thereby the modified M13 ... illustrates the modification of the M13 virus (Nam et al., 2006) The surrounding p8 proteins are modified to two types: one contains a Co nucleating motif, and the other contains Au binding motif The ... pathogens inside living organisms that replicate themselves Their genetic information is stored in either DNA or RNA They can replicate only inside the infected cells of the hosts because they not have...
Ngày tải lên: 19/06/2014, 10:20
Energy Storage in the Emerging Era of Smart Grids Part 9 pptx
... those mainchain thioether polymers The results mean that electric conductive mainchains improved the charge-discharge behavior of the thioether polymers 248 Energy Storage in the Emerging Era of ... supercapacitors appearing in business and popular magazines show increasing interest by the general public in this topic (Simon & Gogotsi, 2008; Whittingham et al., 2004) Depending on the charge storage ... routes of the thioether polymers The structure and synthesis routes of thioether polymers investigated as cathode active material in our project are summarized in Scheme Thioether Bond Containing...
Ngày tải lên: 19/06/2014, 10:20
Energy Storage in the Emerging Era of Smart Grids Part 10 potx
... dried in the vacuum drying oven at 80°C for 12h Then, the membrane was dipped into the CH3OH/H2O solution (30°C) and kept in the CH3OH/H2O solution for h After that, the sample was taken out and the ... Storage in the Emerging Era of Smart Grids 4.3 Diffusion coefficient of water Water transport in the Nafion membrane influences the proton transport in the membrane(Sumner, Creager et al 1998; Inzelt, ... 1998; Inzelt, Pineri et al 2000), so it is important to understand the transport process in the fuel cell Water balance in the membrane depends on the interaction among the three kind of water...
Ngày tải lên: 19/06/2014, 10:20
Energy Storage in the Emerging Era of Smart Grids Part 11 pot
... during the day The SoC values are presented on the figures’ left axis (grey) The maximum value of the grey line determines the capacity required by the energy storage in each season The sizing of the ... penetration level These penetration levels were applied to the generation profiles By comparing the generation against the demand the energy imported from the grid and to the grid at each time interval ... where the generation is higher than the demand, the energy stored in the ESS, is: Ein=[( Gent – Demt) - lossest]* ηch (4) If the demand is higher than the generation, the algorithm checks if there...
Ngày tải lên: 19/06/2014, 10:20
Energy Storage in the Emerging Era of Smart Grids Part 12 pptx
... 3.3.1 Sampling time influence In order to verify the reliability of the results obtained, several analyses have been performed The first one attempts to determine the minimal measurement interval ... mainly solar and wind is the major limiting factor in achieving significant penetration in any electric system This limiting factor has different consequences depending on the ratio between the ... able to pump or turbine, in the case of water, the necessary power; which finally will imply increasing system losses (renewable generators that must be stopped) or increasing the contribution of...
Ngày tải lên: 19/06/2014, 10:20
Energy Storage in the Emerging Era of Smart Grids Part 13 pptx
... on line in September 2007 generated during a recent 14-month period the data of Table indicating the cumulative net meter reading Enet meter, the total generated AC energy Egenerated , the AC ... Energy Storage in the Emerging Era of Smart Grids g Operating mode #2: What is the payback period (in years, without taking into account interest payments) of this solar plant if the residence ... switches The modulation index of inverter is m=0.5 in order to guarantee a sinusoidal output current of the inverter neglecting pulse-width-modulated (PWM) switching harmonics Three operating modes...
Ngày tải lên: 19/06/2014, 10:20
Energy Storage in the Emerging Era of Smart Grids Part 14 pot
... as the main source (eg, full-electric vehicle), or as the secondary sources (for covering of peak powers combinated with FC) - the main advantage is their 382 Energy Storage in the Emerging Era ... charge SC at lower voltage of UF The control of charging and discharging according to driving cycle of the vehicle (braking – charging, acceleration – discharging) The second method is used for ... trolley line SC is charging by first braking in time 10-13s and it is discharging by next accelerating in time 14-17s In time 23s SC is fully charge and redundant energy is taking out by braking resistors...
Ngày tải lên: 19/06/2014, 10:20
Energy Storage in the Emerging Era of Smart Grids Part 15 pdf
... coupling transformers, T1 in the shunt side and T2 in the series side A detailed diagram of the UPFC system showing the connection of the matrix converter to the transmission line, in Fig 2, includes ... control power flow in transmission lines These systems are switching controlled converters that operate in real time increasing the transmission lines power flow capacity up to their thermal limits ... three-phase inverter by one three phase matrix converter the DC link capacitors are eliminated, reducing costs, size, maintenance, and increasing reliability and lifetime The 426 Energy Storage in the...
Ngày tải lên: 19/06/2014, 10:20