so the past present and future walk into a bar

... IELTS Speaking Part Two tasks about the Past, Present and Future The most challenging and least likely tasks in the exam are the tasks that are mainly about the future (towards the bottom ... with the easiest and most likely being the tasks that mainly need present tenses (in the middle). Each section is also organised so that the most typical and easiest tasks are near the top of the ... that place - How long you stayed there - What the good and bad things about it were And say whether you would like to stay in the same place again, and why Talk about one method of learning...

Ngày tải lên: 04/10/2012, 11:45

... data in a shared global weak map. The keys of the weak map are the instances; the values are objects with the private data. If an instance is garbage-collected, the associated private data will ... work with native data. Compared to a relational database, there is no mapping-related impedance mismatch. Compared to an object database, you avoid many complications because only data is stored, ... choose the language and tailor the functionality to their needs. Conclusion JavaScript is a versatile and flexible language. It is constantly being used in new areas, due to its appeal as a language...

Ngày tải lên: 24/03/2014, 04:21

Ngày tải lên: 29/06/2014, 09:20

Ngày tải lên: 08/08/2014, 23:22

Ngày tải lên: 20/06/2014, 08:20

... Santa Clara. The latter greatly improved the fortifications which then guarded the island and constructed a large number of others, among them the Bateria de Santa Clara, just outside Havana, ... in Havana and elsewhere. To cite only a few instances: The shooting of men, women and children at the Villanuesa Theatre, at the Louvre, and at the sack of Aldama's house. Valmaseda's ... which accrued to her advantage. There can be no doubt but that the treaty of El Zanjon was a cheat, and its administration a gigantic scandal. Can any fair-minded person think then that the Cubans...

Ngày tải lên: 17/03/2014, 20:20

Ngày tải lên: 23/03/2014, 17:20

... an equal amount of personal help from the teacher. Also, life wasn't as complecated as they are now. One teacher would teach the whole class a limeted variety of subjects such as arithmatic ... arithmatic and english. Education was just eaiser when it first became popular. Nowadays, in the present, school not only is a place to learn, it's a place to stress out. As I walk through the halls ... Education, without it we would all be mindless wonders wanderingaround the globe. Education is an important factor in our lives, but the past, present, and future of education is changing. And...

Ngày tải lên: 02/04/2014, 17:51

... through the present and understand and plan for the future sustainable energy harvesting technologies. The key to success is to learn from the past and make changes in the present to create a novel ... based on finding two routes from a source to a sink (i.e. the base station), a primary and a backup route. The primary route reserve an amount of energy in each node along the path and the backup ... Yen Kheng Tan and Wee Song Koh Chapter 7 Vibration Energy Harvesting: Linear and Nonlinear Oscillator Approaches 169 Luca Gammaitoni, Helios Vocca, Igor Neri, Flavio Travasso and Francesco Orfei...

Ngày tải lên: 19/06/2014, 08:20

... phase and after that it makes a transition to the idle phase. Each phase is parameterrised by the computational state cs and the physical state ps. The state changes and phase transitions for the ... where a larger distance means less energy is available. Hence an abstract state is a pair (d, a) AbstractState, where AbstractState = R 0 ìR 0 For an abstract state (d, a) , we call dist(d, a) =d ... biased towards a particular energy harvester and it is not biased towards and particular kind of sensor observation. 12 Sustainable Energy Harvesting Technologies – Past, Present and Future A...

Ngày tải lên: 19/06/2014, 08:20

... while the other was attached to an actuator and placed axially in line with the cantilever. The Sustainable Energy Harvesting Technologies – Past, Present and Future 32 once the resonant ... tuning magnets was adjusted by the linear actuator. Thus, the axial load on the cantilever, and hence the resonant frequency, was changed. The areas where the two magnets face each other were ... in a manner analogous to a flapping flag such that the system delivered power to an electrical impedance load. In this case, the bluff body was in the shape of a standard NACA 0015 rather than...

Ngày tải lên: 19/06/2014, 08:20

... devices. The most promising ambient energy sources of these are solar, thermo-electric and vibrational. A significant amount of research has already been done in this area over the past few years and ... Paramagnetic materials The paramagnetic materials have small, positive values of magnetic permeability to magnetic fields. These materials are weakly attracted by the magnets when placed in a ... are common paramagnetic materials. 1.3.3 Diamagnetic materials The diamagnetic materials have a weak, negative magnetic permeability to magnetic fields. Diamagnetic materials are slightly...

Ngày tải lên: 19/06/2014, 08:20

... Measured and calculated results of the macro-generator A & B The displacement and voltage were measured for various load resistances. The load power is calculated from the voltage and load ... the parasitic damping factor and the open circuit quality factor were calculated from the measured no-load displacement. However, for generators C, D and E, the no-load and load voltages at the ... macro generator A and B. The generators were vibrated using a sinusoidal acceleration with the frequency matched to the generator’s mechanical resonant frequency. Modelling Theory and Applications...

Ngày tải lên: 19/06/2014, 08:20

... that the generated mechanical and electrical power depends on the applied force which is the product of mass and acceleration and the damping factor: parasitic and electromagnetic damping. The ... the magnet and coil parameters are chosen so as to maximize flux gradient and the electromagnetic damping can be made equal to the parasitic damping, then typically 80-90% of the generated ... which are characterised by higher frequencies and smaller amplitudes, such as industrial, automotive and structural applications and some of them are characterised by low frequency and high amplitude,...

Ngày tải lên: 19/06/2014, 08:20

... and in consequence Joule heat generation. The heat flux Q is converted into thermal domain by means of an auxiliary thermal circuit and influences on the operation of the thermal model of the ... dissipates heat to the surroundings. The amount of absorbed or dissipated heat is proportional to the electrical current and the absolute temperature T. The heat power associated with the Peltier ... thermoelectric theory based on constant parameters the active part of a thermoelectric generator can be described by a set of three equations. Two of them are relating to the thermal domain and represent...

Ngày tải lên: 19/06/2014, 08:20

... to test and discuss the performance of the SAMF algorithm and its sensitivity to design parameters and real-world operating conditions. The parametric nature of the simulator and its capability of ... based on residual path capacities, a path including edge e can be taken iff all alternate paths have lower residual capacities. Since e was the edge with lowest residual capacity at epoch h, then ... can be taken at some epoch l from h to k iff the capacities of all alternate paths have become lower in the mean time. But this may happen iff the average flows routed across all alternate paths...

Ngày tải lên: 19/06/2014, 08:20

Ngày tải lên: 19/06/2014, 08:20

Ngày tải lên: 19/06/2014, 08:20