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Online since: December 2013
Authors: Shuang Jian Jiao, Long Fei Li, Yan Wei Li
Through the optimization of route design, construction technology and low-carbon management measures and the like, realize energy conservation and emission reduction to a maximum extent.
Considering the characteristics of the uncertainty of qualitative indicators and the less statistical data, this article selects quantitative route design indexes to research.
The buyer can use reductions quota bought to slow down the greenhouse effect, so as to realize its goals of reducing emissions[9-10].
Researchon Energy Conservation and Emission Reduction Integrated Management System of Highway and Waterway Transportation[J].
Bayesian inversion of concentration data: Source reconstruction in the adjoint representation of atmospheric diffusion[J].
Online since: February 2012
Authors: Chun Guo Fei
To solve the loss reduction problem, the optimal operating condition is obtained when line losses are minimized.
From , we have (7) putting into , we get the CSA for solving the load phase balancing problem as follows: (8) Simulation Results The CSA is used to optimize the practical field data used in [1], where the loads were addressed in terms of currents.
The paper has shown through simulation results based on real practical data, that load balancing is achieved by the CSA and the total power loss is minimized.
Chiou, Distribution network reconfiguration for loss reduction by ant colony search algorithm, Electric Power Systems Research, vol. 75, pp. 190-199, 2005
Gil, A new heuristic approach for distribution systems loss reduction, Electric Power Systems Research, vol. 78, pp. 1953-1958, 2008
Online since: May 2012
Authors: Hua Shan Yang, Sheng Jin Tu, Yin Long Jin, Wang Tao
Using data from tests on laboratory and exposure site studies, comparisons are made of the performances of the BC concrete with MHC concrete of similar mixture proportions.
Data on the oxide composition and properties of cementitious materials in this research including the phase composition of cement calculated using Bogue’s equations, are shown in this Table 1.
However, the reduction in hydration heat was smaller than the reduction in cement content due to the SCMs replacement.
A 30% of SCMs replacement resulted in only 20.0% reduction in the 7-day hydration heat.
For the second peak, although MHC produced a reduction in the maximum heat evolution rate relative to BC, interestingly the time of reaching the maximum exothermic rate of BC was delayed from 6 to 10h.
Online since: May 2012
Authors: Li Hua Liang, Liu Yang, Pei Ma, Xiao Li Zhu, Dai Di Fan
Suction three times of 5ml bacterial suspensions and inoculate into 3 flasks with 100ml liquid medium and 5mg/l Cr(VI) ions (The data showed strains grew better in liquid medium of 5mg/l Cr(VI) ions than 10mg/l and 20mg/l[3]).
Anylase the growth data of Cr(VI)-tolerant strains under 24h, the order of Cr(VI)-tolerance of all strains from high to low was: 2-5, 2-7, 2-2, 2-6, 2-4.
Results of the comparative study of all five bacterial strains for bioaccumulation of chromium showed signicant reduction of chromate (conc. 605 ppm) as compare to control (Cr(VI)-containing wastewater without inoculums).
With the treating time lasting, the Cr(VI) ions concentration had kept decreasing for biomass adsorption, immobilization and reduction process of bacteria.
According to Chen et al., after acclimatization it is possible that the activated sludge cannot only tolerate Cr(VI) presence, but also reduce Cr(VI) concentration by microbial reduction, accumulation or sorption[8].
Online since: July 2019
Authors: Rena Eka Firlyana, Haniffudin Nurdiansah, Diah Susanti, Hariyati Purwaningsih
This process included oxidation of Ti and Zn and also reduction of graphene oxide to form rGO all in one.
After the reduction process of graphite oxide is carried out to obtain rGO.
Based on these data shows that the ZnO structure formed is a hexagonal.
The results of rGO FTIR tests indicate that there is no OH bond, this is due to a reduction process.
Based on these data, it can be noted that the ZnO / rGO / TiO2 catalyst with 15% has the highest level of efficiency at irradiation for 5 hours.
Online since: June 2020
Authors: Peter Futaš, Alena Pribulová, Marcela Pokusova
An example of consumption and its distribution in specific Slovak foundry producing gray cast iron from the data obtained for one year is shown in Fig. 1 [1].
Energy Consumption Reduction Procedures: 1.
Most effective practices [1,6,7]: - Reducing of product defects (evidence, analysis and measures required) - Reducing the gross weight of castings by reducing: · weight of feeders (exo and isothermal materials, optimization of feeders by using computer programs) · weight of gating system · by reducing the addition and processing of smaller holes (also contributing to thermal points) · the use of external and, in particular, internal chills (not widely used in practice) · reduction of casting weight by changing the material used with higher properties (especially mechanical) Reducing Power Consumption in Electric Induction Furnace (EIF).
On the basis of data from operational melts from the Slovak foundry, which were obtained over a one year period, the energy balance (losses) of the furnace (Eq. 1, Eq. 2) and melting in gray cast iron production in midfrequence induction crucible furnace (6 tons) with thyristor converter were calculated, Fig. 2 [1].
Loss reduction procedures: - Modernization of furnace electrical equipment (investments) - Melting process optimization - Optimization of sheet charge and loading, Fig. 3 Fig. 2 Energetic balance of cast iron melting in a midfrequence induction crucible furnace (6 tons) Fig. 3 Charging of a crucible furnace by a vibrating chute (a) and charge distribution according to size (b) - The highest density of the electromagnetic field is at the walls of the crucible (Fig. 4), to be the densest charge.
Online since: November 2016
Authors: Tania Regina Giraldi, Marília Zani Minucci, Jeferson Almeida Dias, Vera Lúcia Arantes, Alfeu Saraiva Ramos, Sylma Carvalho Maestrelli
The Powder Cell 2.0 software was applied to index the peaks of experimental data to the respective crystalline planes of ZnO (JCPDS card n.° 36-1451).
Kinetic parameters of chemical reaction were estimated through the photocatalytic data.
On the other hand, Fig. 3 (B) shows reduction of Rhodamine B concentration for all assessed profiles.
For this case, it was observed reduction of values of the dye concentration as function of the time even though in low level compared to the other profiles.
There was a large reduction of consumed Oxygen levels in the samples after photocatalytic processes compared to the standard solution of Rhodamine B.
Online since: May 2009
Authors: Carolina Cruz Viggi, Francesca Pagnanelli, Luigi Toro, Alessio Cibati, C. Berteletti
Introduction The use of bacterially mediated sulphate reduction in Permeable Reactive Barriers (PRBs) is an alternative technique for the remediation of heavy metals polluted streams.
Subsequently ethanol was tested as electron donor for the sulphate-reduction, both in batch and in column experiments.
Difference between these values (25%) represents SO42 removal due to sulphate reduction.
Heavy metals were totally removed (data not here reported), confirming the ability of the selected mixture in sustaining SRB activity and removing metals both by bioprecipitation and biosorption. 0 10 20 30 40 50 60 70 80 90 100 0 10 20 30 40 50 60 70 80 Pore Volume SO4 2- abatement (%)) output 9 output 5 output 1 Figure 1.
Experimental data from batch growth on starch showed 85 ± 1 % abatement of sulphates in 100 days with an almost constant decrease rate.
Online since: June 2012
Authors: Wen Long Wu, Guang Jin Zhao, Wu Bin Qiu, Shao Lin Liu, Gang Wang
New trends in utility peak load reduction, energy efficiency, and load management also need energy storage.
It has been estimated that a reduction of ~50% in battery costs is necessary to equalize the current economics of owning PHEVs and conventionally fueled vehicles [9].
Many of these approaches are unlikely to yield a near-term cost reduction to the consumer sufficient to encourage increased PHEV/EV market share, though.
Task 3: Analysis of the test data to assess the extended life characteristics of the used batteries and the differences in the detection of end-of-life for the various lithium-ion chemistries.
If sufficient data are available, a method will be developed to relate the vehicle end-of-life condition of the batteries to their extended life in stationary applications.
Online since: April 2014
Authors: Lydia A. Chekanova, Sergey V. Komogortsev, Rauf S. Iskhakov, Roman N. Yaroslavtsev
The basic reaction of the nickel reduction by hypophosphite is presented by equation: (1) The nickel ion reduction accompanied with hypophosphite reduction to the elemental phosphorus during reaction: (2) Thus, the electroless Ni coatings are naturally forms as the Ni-P alloys.
The information extracted from the XRD spectra, and the estimations obtained by these data concerning the structure and the phase composition of investigated films are shown in table 1.
This estimation is in rather good consistent with the phosphorus content obtained from XRD data (Table 1), which is an additional confirmation of the assumption that the fcc phase of Ni is formed as a separate layer.
Riddell, Nickel plating on steel by chemical reduction, J.
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