joke 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 ... 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 ... 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...

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 ... Trinidad, and in 1515 a town was started called San Cristoval de la Habana, which name was transferred four years later to the present capital, the first named place being rechristened Batabana. The...

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 ... a generic modeling framework which can be used to model and analyse a broad range of energy harvesting aware WSNs, is developed. In particular, a conceptual basis as well as an operational basis ... 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...

Ngày tải lên: 19/06/2014, 08:20

... It processes an incoming event and makes a phase transition. ã The node treats a single message in the treat message phase and after that it makes a transition to the idle phase. Each phase is parameterrised ... 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

... poles facing each other. One magnet was fixed at the free end of a cantilever while the other was attached to an actuator and placed axially in line with the cantilever. The Sustainable Energy ... 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 ... Thus, the axial load on the cantilever, and hence the resonant frequency, was changed. The areas where the two magnets face each other were curved to maintain a constant gap between them over the...

Ngày tải lên: 19/06/2014, 08:20

... Sustainable Energy Harvesting Technologies – Past, Present and Future 58 materials and diamagnetic materials. It is necessary to know the few quantities of the magnetic material such as magnetic ... 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 ... power(mW) 0 0.06 0.12 0.18 0.24 Damping factor (N.s/m) Calculated power Measured power Electromagnetic damping Parasitic damping Fig. 25. Measured and calculated load power and estimated parasitic and electromagnetic damping...

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 ... generator for human body vibration The generator was placed inside a rucksack and the voltage and power outputs were measured during walking and slow running conditions. An ADXL321 bi-axial accelerometer...

Ngày tải lên: 19/06/2014, 08:20

... 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 TEG that is represented ... 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 ... of thermal capacity C th is introduced. Interpretation of the thermal capacity is obtained by comparing the temperature impulse response characteristics for a single layer with the analytical...

Ngày tải lên: 19/06/2014, 08:20

... The second column reports the sampled value range of each independent variable, while the second and third rows report the sample average and standard deviation of the dependent parameters. All other ... routed across a saturated path in a time epoch because of the lack of feedback on the residual path capacity. The higher the sampling rate, the higher the debt that can be reached during simulation. ã ... path P and to a time unit t,thenominal path capacity of P at time t is the capacity of the path computed at the beginning of the time unit by assuming that all the resources along the path are entirely...

Ngày tải lên: 19/06/2014, 08:20

Ngày tải lên: 19/06/2014, 08:20

Ngày tải lên: 19/06/2014, 08:20