Showing 1 - 6 of 6
Persistent link: https://www.econbiz.de/10011297111
We review, compare and experiment with two methods for solving systems of polynomial equations. One of the methods is developed by Wu based on Ritt's concept of characteristic sets, and the other is proposed by the author in extending the idea of Seidenberg's elimination theory. We present the...
Persistent link: https://www.econbiz.de/10010749635
In this study, a PbO2 plate electrode was synthesized and optimized for the electrochemical treatment application of waste activated sludge from a municipal wastewater treatment . The sludge dewaterability and mass reduction with different electrolysis time and voltage were quantified to...
Persistent link: https://www.econbiz.de/10013303760
Persistent link: https://www.econbiz.de/10014325687
The objectives of this study were to investigate the effects of full irrigation (FI), deficit irrigation (DI) and partial root-zone drying (PRD) on plant biomass, irrigation water productivity (IWP), nitrogen use efficiency (NUE) of tomato, and soil microbial C/N ratio. The plants were grown in...
Persistent link: https://www.econbiz.de/10008864505
A low carbon, high efficiency and high quality power supply scheme for Distributed Generation (DG) in a micro-grid is presented. A three-phase, four-leg DG grid-interfacing converter based on the improved structure of a Unified Power Quality Conditioner (UPQC, including a series converter and a...
Persistent link: https://www.econbiz.de/10010695963