Search Options

Sort by:

Sort search results by

Publication Type:

Publication Type filter

Open access:

Publication Date:

Periodicals:

Periodicals filter

Search results

Online since: May 2016
Authors: Woong Je Sung, Anant Agarwal, John Muth, Pawel Gradzki, Laura Marlino, Robert Ivester, Nick Justice
DC Distribution in Data Centers.
Data centers have been growing at a rate of 20% annually over the past decade.
With increasing cloud computing and big data, it is expected that data centers alone will consume 10% of the total electricity by 2020.
Currently the majority of data centers operate primarily off of a 12 V bus system internal to the rack.
With the rapidly expanding need for data servers these inefficiencies have compounded and today represent significant levels of power consumption.
Online since: November 2017
Authors: Karoon Fangsuwannarak, Ponrawee Wanriko
In order to determine the available type of the tested fuel and achieve the reduction of the exhaust emissions, a high-speed diesel engine was tested on water brake type of dynamometer.
The software provides extraordinary data management capability and the ability to import/export data.
It is found that the engine operated by POB100 and improved POB blends provide a reduction of CO and CO2 as compared with diesel fuel test.
Meanwhile, CO results show the same reduction trend with CO2 emissions.
Nevertheless, reductions of CO and CO2 were found under the test conditions of the improved POB fuels in particular redistilled POB blended with nano-ZnO additive.
Online since: January 2026
Authors: Andreas H. Foitzik, Andrea Böhme, Sandy Speck, Claudio Verona, Jörg Reiff-Stephan
High‑resolution CT data were converted to CAD models and additively manufactured as moulds; a gelatin‑based soft‑tissue matrix with glycerin and potassium sorbate provides elasticity and durability.
Current data on treatment errors highlight the urgency for effective, repeatable simulation training.
Material and Methods Anatomical modelling and mould fabrication Three‑dimensional brain morphology was reconstructed from high‑resolution computed tomography (CT) data using CAD software.
Integration with AR/VR and AI-assisted guidance promises adaptive, data-driven learning.
A life-cycle assessment should quantify cost, environmental impact, and reductions in animal use.
Online since: January 2005
Authors: S. Kawi, Y.P. Tang, K. Hidajat, L.E. Yu
One option that is being intensively investigated is catalytic reduction of NO to N2 using onboard hydrocarbons in the exhaust stream [2,3].
Ceria based materials are widely used in selective catalytic reduction of NO by hydrocarbons due to their oxygen storage capacity [4-8].
The advantage of hydrothermal preparation method has been shown through selective catalytic reduction of NOx reactions.
Activity data was recorded from low temperature to high temperature.
The range of diffraction data was collected at 10-60°(2-theta), which was scanned at a rate of 6ºmin -1.
Online since: November 2014
Authors: Xin Yun Liu
Rough set theory has the ability of data mining and is able to reduce redundant data.
Financial Crisis Prediction Based on Improved Neural Network The rough set theory can realize data mining and rule mining through data reduction, approximate classification and data relation reasoning.
It is very suitable for reduction of massive data.
The raw data are discretized by using above discretization rules.
So the raw data table is changed into the decision table.
Online since: February 2016
Authors: Grzegorz Kopeć, Bolesław Machulec
The carbon reducers are not only a source of carbon as a substrate of the silica reduction reaction, but also play an important role by acting as a gas filter at the upper zones in working space of the ferrosilicon furnace.
Introduction Ferrosilicon smelting is a continuous carbothermic silica reduction process carried out in the submerged arc furnaces with the Søderberg self-baking electrodes.
Industrial observations and laboratory testing indicates that properties of raw materials have a significant influence on the course of the carbothermic silica reduction process.
Data on chemical composition and vitrinite reflectance index R0 for several hard coals from different mines are shown in Table 1.
Observations of the 20 MVA ferrosilicon furnaces have shown that utilization of reducing mixture with composition 2* instead of mixture 1* (Table 2) influenced on reduction in the electric energy consumption for about 2.5 %.
Online since: May 2025
Authors: Oluchi Eucharia Nwaichi, Chinemerem Patricks, Daniel Obioma Thomas
aditanig@gmail.com, bnodullm@yahoo.com, cchinemerem.patricks@yahoo.com Keywords: Safety Culture, Human factor engineering, risk reduction, Oil and Gas welding, performance improvement, incident prevention, safety performance, structural integrity Abstract.
Descriptive study design with structured questionnaire was used for data collection and Satistical Package for Social Sciences (SPSS) version 26 Structural equation modelling software for data analysis.
The Oil and Gas industry is one of the most profitable sectors that have contributed to technology advancement, poverty reduction and economic competitiveness of most nations though confronted with diverse hazards with potential to result in accidents and diseases that creates human and economic burdens [4].
The primary instrument utilized for data collection was a structured questionnaire.
Statistical software SPSS version 26 was utilized was used for data analysis.
Online since: December 2012
Authors: Quan Sheng Liu, Ke Duan Zhi, Run Xia He, Fang Wu, Ya Gang Zhang, Li Yang
The present work aims to bring new data about the effect of alkali charge in co-precipitation preparation of Cu-Mn mixed oxide catalyst as WGSR for fuel cells.
Reduction peak of α presents the reduction of highly dispersed non-crystalline copper oxide strongly interacting with manganese oxide and that of smaller copper oxide particles weakly assisted with manganese oxide.
Reduction peak of β may be assigned to the reduction of surface copper oxide (crystalline) and subsurface Cu-Mn Solid solution (crystalline) which stronger interacted with surface oxygen vacancies.
Catalytic performance closely related to the (β+λ) reduction peak (Surface phase reduction peak and bulk phase reduction peaks closely combinated with oxygen vacancy of Cu-Mn solid solution) area.
The (β+λ) reduction peak area of catalyst become larger, catalyst had better low-temperature activity.
Online since: July 2014
Authors: Liang Zhang, Wen Du, Li Bao Yin, Yu Qun Zhuo, Qi Sheng Xu, Chang He Chen
The application of SCR exhibits co-benefit of mercury catalytic oxidation and NOx reduction.
Experimental Procedure and data processing The SCR catalyst in the quartz tube is honeycomb structure, which is the same shape as the catalyst in SCR reactor in power plants.
The reduction may be caused by blockage by fly ash particles and sintering of TiO2 particles.
This phenomenon indicates that the difference of Hg0 oxidation rates between the catalysts is due to the decrease of active sites, which is consistent with the XRF data. 3) The effect of SO2 Figure 4 shows the mercury speciation of fresh SCR catalyst under different SO2 concentrations.
Heterogeneous mercury reaction on a selective catalytic reduction (SCR) catalyst [J].
Online since: October 2012
Authors: Li Li Zhou
Because of these characteristics, China can play a greater role in carbon reduction.
China has actively participated in the Clean Development Mechanism (CDM) and Certification Emission Reduction (CER) transactions.
Use this data to calculate the n consecutive composite rate of return , The formula is: (7) The formula (7) above compute the natural logarithm of the return within the time interval, and we get the consecutive composite rate of return.
Data selection and results of calculation Selection of data In order to test the practicality of the pricing model, we test primary pCER transactions of a CDM project in 2009.if the transaction pricing in the option way above, it can improved effectiveness, and compare the premium with the price difference of at least € 3 between primary and second CER market.
If the annual emission reductions is 100,000 tCO2e, total the pricing power increase of 2.98797 Euros / tCO2e.
Showing 3111 to 3120 of 40694 items