For the purpose of improving the redundancy of the auxiliary power supply system of the metro vehicles, the grid connected power supply technology and the high-frequency converter technology were applied to line 4 and line 2 hbl5266ca phase II project of the Ningbo metro.4 SIV were grid connected to provide AC 380 V to the metro vehicles which grou
Abstract Background The studies of science, technology, engineering, and mathematics (STEM) career interests have progressed substantially over the recent years.However, the influence of career awareness on STEM career interests is an area that requires further discussion.Evidently, Chinese adolescents have limited awareness and interest in STEM ca
An important but sometimes overlooked dimension of the study of energy, democracy, and governance is the role of social movements.Industrial transition movements (ITMs) emerge when there is resistance from incumbent organizations, such as large utility companies in the electricity industry, to grassroots efforts to change the industry.A classificat
Expropriation – the non-consensual taking of privately-owned property by the state in exchange for the payment of compensation – is a widely-used tool of land use planning in copyright as it is in many other states.While in principle all privately-held properties are equally susceptible to expropriation in copyright, legal frameworks on
Lipid extracts of plasma were studied by 31P and 1H NMR spectroscopy at 9.4 T.Signals recorded on lipid mixtures were assigned to different lipid classes using a data base built with two-dimensional 1H COSY spectra of seven standard lipids.Signals unique to glycerophospholipids, sphingolipids, and pet calming peanut butter triacylglycerols were ide