نتایج جستجو برای: operating costs

تعداد نتایج: 323934  

2017
Marco Stoller Javier Miguel Ochando-Pulido Robert Field

In the last decades, membrane processes have gained a significant share of the market for wastewater purification. Although the product (i.e., purified water) is not of high added value, these processes are feasible both technically and from an economic point of view, provided the flux is relatively high and that membrane fouling is strongly inhibited. By controlling membrane fouling, the membr...

2002
Jan van Dalen

– User-cost indexes provide important information about the welfare implications of durable goods purchases. In this paper indexes for the cost of private transportation are developed, based on the costs associated with using new passenger cars sold in 1992-1999, in the Netherlands. These user costs consist of both fixed costs such as economic depreciation, and operating costs such as fuel cons...

Journal: :Annals of the Polish Association of Agricultural and Agribusiness Economists 2018

Journal: :Energies 2021

UV lamps are being increasingly used in the treatment of swimming pool water, mainly due to their abilities disinfect and effectively remove chloramines (combined chlorine). However, application a closed loop system, such as that which water is treated, creates conditions under chlorinated then also irradiated with UV. Thus, advanced oxidation process occurs, affects transformation organic matt...

Journal: :International Journal of Academic Research in Business and Social Sciences 2020

Journal: :Electric Power Systems Research 2022

This paper addresses the problem of determining optimal location and operation distribution static synchronous compensators (D-STATCOMs) in power networks. Metaheuristic algorithms have been conventionally used to solve this mixed-integer nonlinear programming problem. In contrast, we propose a second-order cone (MI-SOCP) model that guarantees global optimum fast convergence optimization solver...

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