Energy harvesting that are able to operate in higher temperature gradients, and that can conduct electricity well without also conducting heat (something that was until recently thought impossible ), will result in increased efficiency. Future work in thermoelectrics could be to convert wasted heat, such as in automobile engine combustion, into electricity. This type of harvesting is based on the changing capacitance of vibration-dependent capacitors. Vibrations separate the plates of a charged variable capacitor, and mechanical energy is converted into electrical energy. Electrostatic energy harvesters need a polarization source to work and to convert mechanical energy from vibrations into electricity. The polarization
Dalian University of Foreign Languages Music Studies are named key disciplines at the provincial level. DLUFL administers over 20 language tests such as TOEFL, GRE, HSK, JLPT, BJT, KLPT, and WSK. Dalian University of Foreign Languages Dalian University of Foreign Languages (DLUFL; ) is a public university in Dalian, Liaoning, China and one of the top foreign language institutes in mainland China. Formerly known as Dalian School of Japanese Language, DLUFL was founded in 1964 with the help of the late Chinese Premier Zhou Enlai. It is now under the administration of the Education Commission of Liaoning Province. Through 40 years of development, DLUFL has