Transformative modeling in learning current electricity: a case study of preservice teachers 来自 ResearchGate 喜欢 0 阅读量: 54 作者: S Ji,R Enriquez 摘要: Research finds that students have many ideas on electricity not aligned with scientific notions (e.g. Eylon & Ganiel, 1990; Thacker, ...
Variable uses of alternative conceptions: A case study in current electricity - Heller, Finley - 1992Heller, P. M., & Finley, F. N. (1992). Variable uses of alternative conceptions: A case study in current electricity. Journal of Research in Science Teaching, 29(3), 259-275....
Dawn: • Electricity and gas loadshedding also compel residents to take to streets • JI activists stop tankers and spill water onto thoroughfares • Monem holds PPP govt responsible for water crisis KARACHI: Multiple protests over a dozen points in Karachi caused... read more Temperature dr...
With a few modifications, like replacing the world’s most untrustworthy potentiometers and adding a nice ABS box, the build is completed. Along the way, [GreatScott!] offers a few tricks for testing and some reminders of how not to make yourself dead when playing with electricity. The end...
According to the China's national plan of the wind energy development up to the year 2050 [9], the wind energy will generate up to 17% of the total electricity in the general case, playing an important role on the power system [9, p. 6]. In 2050, the installed capacity of the ...
15、Then a turbine began to run inside a small, redbrick hall at Tofte, a few kilometres south-west of Oslo, andelectric currentemerged.(接着,离奥斯陆西南几公里远的托夫特的一个红砖小房里,涡轮机开始运转,于是电流就产生了。) 16、Solar panels generate electricity by converting photons (packets ...
Many different devices are employed at this aim, such as the direct-drive converters that transform the wave mechanical energy in electrical power, the hydrokinetic turbines that convert the kinetic energy of the moving mass of water into electricity in the case of marine currents, or the thermal...
Hydrogel is a type of versatile platform with various biomedical applications after rational structure and functional design that leverages on material engineering to modulate its physicochemical properties (e.g., stiffness, pore size, viscoelasticity, m
Medium Voltage Direct Current (MVDC), a new system for the management and operability of electricity distribution grids Dyna (Bilbao), 95 (6) (2020), pp. 579-582 Google Scholar [18] Z. Ma, R. Li, P. Lürkens, M. Han, S.N. Kim, et al., Medium voltage direct current (MVDC) ...
European Alternative Fuels Observatory, “Normal and high-power public recharging points (2020)”, website: https://www.eafo.eu/alternative-fuels/electricity/charging-infra-stats#. Google Scholar [96] Alternative fuels data center: electric vehicle charging station locations [Internet]. U.S. Depart...