the material and energy balances

material and energy balancing in the process industries 044482409x

Ngày tải lên : 01/04/2014, 10:15

... take the whole G[N,J] as the graph of material streams On the other hand, the mass balances of G1 and G2 are independent Indeed, with reduced incident matrices C and C2, respectively, we have the ... of setting up the complete material and energy balance of even very complicated processes The other area of mass and energy balancing concerns the analysis of operating processes The advent of ... fully characterised by the standard deviation (the mean value equals zero for random errors) The square of standard deviation is the variance of the measurement The standard deviation c can be...

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thermal treatment effects on the material and gas-sensing properties of room-temperaturetungstenoxidenanorodsensors

Ngày tải lên : 20/03/2014, 13:11

... determine whether the crystalline structure is triclinic or monoclinic, since their position and relative intensity is very similar On the other hand, the intensity distribution of the diffraction ... oxide The two bands at 270 and 327 cm−1 had been assigned to O W O bending modes of the bridging oxide, while the 712 and 807 cm−1 bands are the corresponding stretching modes [24,25] Moreover, the ... i.e the binding energy of the W 4f7/2 , FWHM and relative contribution of the two oxidation states All the samples exhibit identical binding energies of around 35.7 and 34.2 eV for the W6+ and...

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Báo cáo lâm nghiệp: "Effects of light intensity on the growth and energy balance of photosystem II electron transport in Quercus alba " potx

Ngày tải lên : 08/08/2014, 00:22

... detected at the 45th day into the experiment, with HS having smaller (p < 0.002) RCD than LS and FL at the 45th day into the experiment, and with FL > LS > MS > HS (p ≤ 0.004) at the end of the experiment ... 0.011) at the 60th day into the experiment and FL > HS/ MS (p < 0.005) and LS > HS (p < 0.067) at the end of the experiment At the end of the experiment, total biomass and each biomass component ... < 0.001) the RCD and HT of oak seedlings As expected, RCD and HT increased (p < 0.001) over the experimental period but their increase depended on light treatment (Figs and 2) Over the experimental...

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Life cycle assessment of carbon and energy balances in jatropha production systems of burkina faso

Ngày tải lên : 19/11/2015, 16:41

... (iv)Conductalifecycleassessmentfor the calculationof the overallcarbon and energy budgetofJ.curcasproductionpathways. 1.5 Outlineof the thesis The thesis comprises seven chapters. The general ... 1996).Recently,alsoinBurkinaFaso,J.curcashasbecomepopularasabiofuelsource and is seen as a valid alternative to alleviate the energy scarcity prevailing in the country.Realizing the potentialofJ.curcas and other energy cropsforBurkinaFaso, the ... land (12 Mio ha) with 50% under cultivation (6.3 Mio ha) and 50% underpermanentcrops and pastures(includingabandonedcropland and landnotyet cultivated),24%forestarea, and 10%undersettlement(other:21%).Highpopulation...

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BONUS MATERIAL ADDED TO THE REVISED AND EXPANDED 2006 EDITION

Ngày tải lên : 17/10/2013, 18:20

... up a grandmother for drug money but rather one crack dealer shooting another and perhaps a few bystanders—in order to gain turf But the market changed fast The destructive effects of the drug ... Scalia and Thomas And it was only the votes they cast while wearing their robes that mattered, not the ones they may have cast in their home precincts Still, people continue to vote, in the millions ... received and performed and with whom and when; questions about sexual preference and identity; whether they knew anyone with AIDS As with any selfreported data, there was the chance that the survey...

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Tài liệu ECONOMIC, ENVIRONMENTAL AND ENERGY ASSESSMENT OF THE TURIN-LYON HIGH-SPEED RAIL pdf

Ngày tải lên : 20/02/2014, 19:20

... in real cases, and heavily depends on the energy investment for infrastructure, including the energy embodied in the materials and the necessary management and maintenance over the entire infrastructure ... (92/43/EEC), within the Natura 2000 Network The Dora Riparia River runs through the valley, and there are abundant springs and superficial aquifers In the high part of the valley there are pastures, ... partridges and wolves) and a very rich diversity of flower The first HSR proposal dates back to the end of the eighties, and soon after the opposition in the Susa Valley started In 2011, the new...

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Tài liệu Analysing different technology pathways for the pulp and paper industry in a European energy systems perspective doc

Ngày tải lên : 22/02/2014, 09:20

... within the energyintensive industry, the energy use is mainly related to the production processes rather than the support processes and thus the process of changing the energy use demands strategic ... energy use and 14% of the industrial energy use (Eurostat 2009) In Sweden and Finland, two of the main pulp and paper producers in Europe, the PPI stands for ~50% of the industrial energy use ... instruments and the development of the energy market, will: Strengthen the competitiveness of the pulp and paper industry Reduce the global emissions of CO2 Interact with the expected development of the...

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The Carbon and Global Warming Potential Impacts of Organic Farming: Does It Have a Significant Role in an Energy Constrained World? pptx

Ngày tải lên : 08/03/2014, 23:20

... energy input, and an energy output /energy input ratio of 8.85), and lower but similar for the HI and RI systems (377 kg per GJ–1 and 6.79 ratio) The authors conclude that organic management and ... related WRI standard on land use change [21] Others being used include the guidelines of the IPCC [12] and the eco-balance guidelines (ISO 14040 and 14044) [22] Generally, agreement that these differences ... representing organic and conventional farms located in alpine, upland and lowland regions Notably, and rather innovatively, the authors included an estimate for GHG impacts of the estimated land use change...

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The bioliq® bioslurry gasification process for the production of biosynfuels, organic chemicals, and energy pdf

Ngày tải lên : 14/03/2014, 19:20

... direct (photovoltaics and solar thermal) and indirect (hydropower, wind energy, and bioenergy) solar energies and quasi-inexhaustible energy sources like nuclear breeder and fusion reactors as ... that the bioenergy contribution in the EU will increase to more than 10% after 2020 and to more than 20% on the longer term [5] In the latter case, the major part must then be supplied from energy ... to 40% of the initial bioenergy; the condensate (biooil), 70% to 50%, and together, about 90% If only the biooil is used for gasification without the char, about one-third of the bioenergy would...

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Research Opportunities for Managing the Department of Energy''''s Transuranic and Mixed Wastes potx

Ngày tải lên : 15/03/2014, 15:20

... scientific and engineering research, dedicated to the furtherance of science and technology and to their use for the general welfare Upon the authority of the charter granted to it by the Congress ... by the Academy, the Council has become the principal operating agency of both the National Academy of Sciences and the National Academy of Engineering in providing services to the government, the ... public, and the scientific and engineering communities The Council is administered jointly by both Academies and the Institute of Medicine Dr Bruce M Alberts and Dr Wm A Wulf are chair and vice...

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ECONOMIC, ENVIRONMENTAL AND ENERGY ASSESSMENT OF THE TURIN-LYON HIGH-SPEED RAIL potx

Ngày tải lên : 17/03/2014, 07:20

... in real cases, and heavily depends on the energy investment for infrastructure, including the energy embodied in the materials and the necessary management and maintenance over the entire infrastructure ... (92/43/EEC), within the Natura 2000 Network The Dora Riparia River runs through the valley, and there are abundant springs and superficial aquifers In the high part of the valley there are pastures, ... partridges and wolves) and a very rich diversity of flower The first HSR proposal dates back to the end of the eighties, and soon after the opposition in the Susa Valley started In 2011, the new...

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Energy Cost Reduction in the Pulp and Paper Industry – An Energy Benchmarking Perspective docx

Ngày tải lên : 18/03/2014, 02:20

... (ADt) The energy consumption for the model mill is shown in Table I; the energy production is shown in Table II; and the purchased energy consumption is shown in Table III The process design for the ... approach the lower energy demand of the model mills through an energy efficiency program The monograph Energy Cost Reduction in the Pulp and Paper Industry contains a detailed examination of best energy ... older and modernized mills have greater energy consumption than the modern mill Also, there is little difference in the energy consumption for older and modernized kraft mills The first and third...

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The China New Energy Vehicles Program - Challenges and Opportunities pdf

Ngày tải lên : 29/03/2014, 08:20

... increase the mobility and accessibility and address the concerns of the poor and others without access to a car At the same time, a city can adopt demand management measures that would make the use ... paper and they have centered on the supply side issues surrounding the provisioning of the charging technology and the batteries A framework for organizing these barriers around demand and supply ... vehicle provides the full amount of energy that it can store Drivetrain The drivetrain consists of the components in the vehicle that convert the energy stored on the vehicle to the output to deliver...

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Báo cáo khoa học: Galanin-like peptide and the regulation of feeding behavior and energy metabolism pptx

Ngày tải lên : 29/03/2014, 21:20

... in which GALPcontaining neurons project from the ARC to the PVN, and the other in which they project to the MPA, bed nucleus of the stria terminalis and lateral septal nucleus Central administration ... body weight and stimulates thermogenesis in rodents The short-term orexigenic actions of GALP are mediated via NPY and the orexinergic pathway in the rat The long-term anorectic and thermogenic ... cells and the meninges, but not in the SON, DMH, LH and NTS [33], highlighting the existence of species-speciﬁc differences between rats and mice Additional work is therefore required to clarify the...

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a history of thermodynamics the doctrine of energy and entropy

Ngày tải lên : 02/04/2014, 16:42

... firstly the … life force [kinetic energy] of the thermal motion [of the atoms] and secondly the elastic forces between the atoms The first is what was hitherto called free heat and the second is the ... Mayer, and to some extent even Joule hemmed and hawed and procrastinated over heat and force; they adduced the theorem of logical cause and the commands of the Creator Helmholtz’s work on the other ... space, and all bodies moved through the ether without disturbing its state of rest; so also the earth and the sun The question arose whether the speed of the earth through the ether – the absolute...

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yale university press findings the material culture of needlework and sewing jan 2007

Ngày tải lên : 11/06/2014, 12:46

... to the head, it is covered with two or three small biggins, the ﬁrst of which is of linen, and the others woollen, and these are tied behind the neck In many places they add a stayband [headband] ... 1493 and 1498, and these are dated only by the secure context of the site rather than on any other criteria, for they are all copper-alloy wire with wound-wire heads Apart from the fact that they ... Ward, and John Koza for their patient guidance and insight into the collections, and Daniel Finamore for his collegiality and many kindnesses The highlight of my time at the Peabody Essex was the...

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Assessing the Impact of Transport and Energy Infrastructure on Poverty ReductionCynthia pdf

Ngày tải lên : 27/06/2014, 07:20

... obtained in other Asian countries or in other parts of the world The evidence is not sufficient to reject the null hypothesis that the poor and the nonpoor benefit proportionately Transport and energy ... Hypotheses of reduced energy costs for the poor and decreased pressure on woodlands were rejected Findings on most other energy hypotheses, including impacts on farm and nonfarm incomes of the ... enhance the productivity and the welfare of the poor Transport and energy investments impact upon the income and nonincome dimensions of poverty The case studies strongly confirmed that transport and...

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Crash Cultures modernity, mediation and the material pdf

Ngày tải lên : 27/06/2014, 08:20

... the gap between the abstractions of theory and the lived experience of everyday life, between concepts and the materiality of the world of objects? In terms of culture, what relation the aesthetic ... Junger) to argue that the binary distinctions commonly drawn between the real and the imaginary, the base and the superstructure, the material conditions of existence and their representation ... not the human characters who are the vehicles of sexual identity, nor are they the conduits of desire Rather they suffer the effects of autosex, they become its victims and they eroticise themselves...

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Muller A History of Thermodynamics The Doctrine of Energy and Entropy phần 10 pot

Ngày tải lên : 23/07/2014, 16:21

... oxygen Animals on the other hand breathe oxygen and use it to break down plant tissue In the process they release carbon dioxide and water The plants perform their task only in the light Jan Baptista ... flux and the internal energy is the non-convective part of the energy The power, or working of the force dG has no place in the Gibbs equation therefore, or it should not have Also, the heating ... collisions,20 and the collision term on the right hand side vanishes for the MaxwellJüttner distribution because of conservation of the energy and momentum vector pA in the collision Chernikov uses the...

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Muller A History of Thermodynamics The Doctrine of Energy and Entropy phần 9 pdf

Ngày tải lên : 23/07/2014, 16:21

... under the microscope, fluctuations of mass density, and velocity and temperature in air cannot be seen And yet they are there, and they affect the transmission of light Indeed, very tiny and very ... calculated from the field equations of the gas, e.g the Navier-Stokes equations For dense gases the measured and calculated curves fit perfectly, and thus they support the hypothesis For the rarefied ... the relativistic c2 coldness µkT , which represents the ratio of the total energy µ´c2 of the rest mass to the thermal energy kT This is obviously a large number for normal temperatures The thermal...

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