... variety of substrates and therefore have significant potential for applications to pulp and paper effluent treatment [48,49] The applicability of the laccase mediator system for lignolytic bleaching of ... reactors (2%) Application of Anaerobic Bioreactors in the Pulp and Paper Industries A number of factors govern the choice of a treatment process and reactor The preferred choice for treatment of pulp ... Department of Health Services (CDHS) to develop and adopt by regulation criteria and guidelines for the identification of hazardous wastes and extremely hazardous wastes In the State of California, a waste...
Ngày tải lên: 11/08/2014, 17:22
... concentration of 500 µg/mL of each This solution is used in the preparation of the calibration solutions Dilute a portion of this solution by 10 to a concentration of 50 µg/mL and use this solution to fortify ... solvent One liter of water should pass through the cartridge in about two hours with the assistance of a slight vacuum of about 13 cm (5 in.) of mercury Section 9.0 provides criteria for acceptable ... respect to a defined set of method criteria Quality Control Sample (QCS) A solution of method analytes of known concentrations which is used to fortify an aliquot of LRB or sample matrix The...
Ngày tải lên: 22/03/2014, 14:20
CHEMICAL REACTIONS IN GAS, LIQUID AND SOLID PHASES: SYNTHESIS, PROPERTIES AND APPLICATION pptx
... our point of view, the presence of α-TP in the membrane in both “physiological” concentration and ULD may also affect formation of rafts For instance, as one of the mechanisms of their formation, ... role of phase transitions in lipids of biological membranes in the vital activity of the cell (in the change of membrane permeability, pore formation, fusion of membranes, excitability of nerve ... evidences of not random distribution of α-TP in the membrane, but formation of complexes with definite stoichiometry [28 - 30] Moreover, an evidence of hydrogen bond formation between hydroxyl group of...
Ngày tải lên: 28/03/2014, 10:20
solid-liquid filtration and separation technology
... considerationof filter selection In t i work, the concept of a “standard cake formation time” hs (SCFT) was developed and defined as the time required for the formation of one centimetre thickness of filter ... Elimination of the repulsive forces, and a “destabilisation” of the colloidal suspension may be achieved by the addition of certain chemicals Such processes are of enormous importance in municipal and industrial ... Post -treatment of m e r cakes, or settled dudges, is of great importance m process industries and often occupies much process time The semoval of residual liquid fiom packed n assemblies of particles,...
Ngày tải lên: 02/04/2014, 16:35
An experimental study on the thermal valorization of municipal and animal wastes
... of scientific committees for energy, environment, biofuels and hydrogen, as well as Member of the Board of Directors of the Greek Combustion Institute She is referee for General Secretariat of ... developing kinetic models for the pyrolysis and combustion of these fuels, for which there is lack of information in the literature The obtained data should be useful for the design of furnaces, which ... the thermal analysis equipment, Prof K Komnitsas, Dr D Zaharaki and Prof V Gidarakos from the Technical University of Crete, for part of the chemical analyses of the samples References [1] Seung-Soo...
Ngày tải lên: 05/09/2013, 15:28
Tài liệu Security+: The Foundation for Solid Network and Information Security pdf
... Chief Information Officer for I.T Data Solutions based in Maryland He has 12 years of Advanced Networking experience, both in the Microsoft OS line and Cisco He is also an Instructor for Global ... certification to make the certification a part of other, more extensive certification paths For example Microsoft will waive the Microsoft Security requirement for MCSE candidates if they successfully ... Security+ • The focus of the certification • Key benefits for becoming CompTIA Security+ certified: Over the course of several centuries, the Industrial Revolution saw the development of new manufacturing...
Ngày tải lên: 21/12/2013, 06:18
Tài liệu iPounder’s Marine Diesel Engines and Gas Turbines Eighth edition docx
... used TORQUE The formula for power given in Equations (1.5) and (1.6) is based on the movement of the point of application of the force on the piston in a straight line The inclusion of the engine ... therefore be ‘half’ orders as well: for example, 0.5, 1.5, 2.5 and so on Unfortunately from the point of view of complexity, but fortunately from the point of view of control, these corresponding ... used Returning to our formula (Equation 1.2.), if we take the case of an engine producing a (brake) output of 10 000 kW for an hour using 2000 kg of fuel per hour having an LCV of 42 000 kJ/kg POUNDER’S...
Ngày tải lên: 13/02/2014, 16:20
Tài liệu Run your car on water and gas double mileage! pdf
... the pulse is turned ON for as long as it’s turned OFF. The square wave pulse shown in the following Figure 4 has an ON:OFF ration of 3:1. That is, the pulse is turned ON for three times as long as it’s turned OFF. The Generator electrode circuit of Figure 5 is capable of varying its ... Multiply the wall thickness of the outer electrode by a factor of 2 and record the result as dimension A. For example, if the wall thickness is .050”, dimension A would be .100”. Add a value of .090” to the value of dimension A and record the result as dimension B. For ... bonding. Do not let the primer dry before applying cement. 27 Run a Car on Water Prime the outside mating surface of the cut end of the 5‐1/2” pipe nipple and one of the inside mating surfaces of the coupling. Apply an even layer of cement to the primed ...
Ngày tải lên: 19/02/2014, 04:20
An Assessment of the Environmental Implications of Oil and Gas Production: A Regional Case Study pot
... Source Performance Standard National Wildlife Federation Oil and gas Outer Continental Shelf Office of Enforcement and Compliance Assurance (EPA) Oil & Gas Accountability Project Office of Policy, ... and the final outcome of these and had yet to be determined at the time of this report’s publication In 2007, EPA’s Office of Water (OW) initiated the aforementioned study of CBM operations Once ... Stormwater Runoff and Fuel Spills • Stormwater Runoff Inconsistency in the treatment of stormwater runoff at oil and gas production operations has raised concerns about the environmental impacts of discharges...
Ngày tải lên: 06/03/2014, 16:20
King County Solid Waste and Wastewater Treatment Utility Operations docx
... We have conducted a performance audit of King County Solid Waste and Wastewater Treatment Division operations for the period of January 1, 2005 to December 31, 2007 to examine the efficiency and effectiveness of biosolids management, biogas use, leachate ... generated from the treatment of wastewater The Solid Waste Division: • Could use landfill runoff to generate revenue from the sale of methane and increase capacity, extending the life of the landfill ... portion of overhead costs for central services, such as accounting and human resources The Solid Waste, Wastewater ransit and other divisions pay more of these costs than they should The County’s Office...
Ngày tải lên: 06/03/2014, 23:20
The Economic Impacts for Ireland of High Oil and Gas Prices doc
... future THE ECONOMIC IMPACTS FOR IRELAND OF HIGH OIL AND GAS PRICES 01 Foreword Foreword O il and gas prices have been the subject of considerable interest in the wake of a particularly volatile ... effect of the oil price shock on the levels of GDP for the US, UK and Euro Area are shown in Figure The THE ECONOMIC IMPACTS FOR IRELAND OF HIGH OIL AND GAS PRICES 09 Economic and Social Impacts of ... ECONOMIC IMPACTS FOR IRELAND OF HIGH OIL AND GAS PRICES Pathways to risk mitigation and a low carbon future For each of the Focus Areas presented, we offer a qualitative examination of each against...
Ngày tải lên: 08/03/2014, 06:20
Research Opportunities for Managing the Department of Energy''''s Transuranic and Mixed Wastes potx
... disposing of MLLW For some of this waste, the states regulate in place of the USNRC.9 Transuranic Waste Currently, DOE’s TRU waste disposal efforts are focused on maximizing the utility of the Waste ... plan disposition of these orphan and hard-to-treat wastes (Hulet, 2002) C h a p t e r 19 SIDEBAR 2.2 DIVERSITY OF TM WASTES For the purpose of developing site treatment plans for TM wastes, DOE established ... INCINERATION FOR TREATMENT OF TM WASTE DOE’s recognition that the public might oppose some of its waste treatment technologies arose from a lawsuit over plans to construct an incinerator for TM wastes...
Ngày tải lên: 15/03/2014, 15:20
Growth of amorphous silicon nanowires via a solid–liquid–solid mechanism
... layer consists of nanoparticles of a few Fig Schematic depiction of SiNW growth by the SLS mechanism: Ža deposition of a thin layer of Ni on the Si Ž111 substrate; Žb formation of the Si–Ni eutectic ... surface of the substrate and the a-SiNW film, instead of being attached at the free tip of the SiNWs One question about SLS growth is what is the driving force for such a continuous diffusion of Si ... rate of the nanowires is estimated to be ca 30 nmrs The TEM image shown in Fig 1b reveals that the SiNWs have a smooth morphology, a diameter of 10 ; 50 nm, and a length of up to a few tens of...
Ngày tải lên: 16/03/2014, 15:05
Controlled growth of oriented amorphous silicon nanowires via a solid–liquid–solid (SLS) mechanism
... depiction of the SiNW growth via the SLS mechanism: (a) deposition of a thin layer of Ni on the Si (111) substrate; (b) formation of the Si–Ni eutectic liquid droplets; (c) the continuous di usion of ... (EDS) were employed for analysis of the morphology and microstructure of the product Results and discussions Fig 1(a) shows plan view of SEM image revealing the general morphology of the SiNWs grown ... The length of SiNWs is about m, (b) SEM image of a cross part of the grooves SiNWs on the edge of grooves fall on to the substrate, (c) TEM image of SiNWs with average diameter around 25 nm, which...
Ngày tải lên: 16/03/2014, 15:14
crystalline structure, defects and gas sensor response
... that for a zero percent probability for layer 2, i.e a stacking of unfaulted WO3 layers, the distribution of intensities for the three main diffraction peaks remain similar to that observed for ... responsible for the anomalous XRD pattern of the (0 1) reflection after a 400 8C-annealing Therefore, this anomalous reflection behaviour can be used as an indirect proof of the presence of bulk oxygen ... FULLPROF [19], taking the cell parameters and atomic positions of [18] and an artificial crystallite size of 50 nm Due to the slight distortion of the lattice, the main reflection (1 0) of the...
Ngày tải lên: 19/03/2014, 16:47
electrical and gas - sensing properties of wo3 semiconductor material
... WO3 is a kind of the acidic oxide and can react with the alkali Besides the state of oxygen adsorbed on the surface of WO3 , there is OHÀ that comes from water The existence form of chemisorbed ... average particle sizes of SEM show consistency with the results of XRD With the increasing of calcining temperature, WO3 powder was crystallized with sharp peaks, the size of grains and macro pores ... resistance±calcination temperature curves for the WO3 -based sensor in the air The resistance of sensor appeared the largest value for low calcining temperature and the smallest value for high calcining temperature...
Ngày tải lên: 19/03/2014, 16:48
glucose - mediated hydrothermal synthesis and gas sensing characteristics of wo3 hollow microspheres
... Fig shows the XRD patterns of the R30, R5, and R0.5 powders prepared by HT of precursors at 450 ◦ C for h The R30 powders 2.2 Characterization of sample The morphologies of the precursors and powders ... distribution plots of R30-RH, R30, R5, and R0.5 powders are given in Fig The volumes of pores in the size range of 2–70 nm for the R30-RH and R30 powders were markedly larger that those for the R5 and ... Fundamental R&D program for Core Technology of Materials (M2008010013) funded by the Ministry of Knowledge Economy, Republic of Korea References [1] F Caruso, Nanoengineering of particle surfaces,...
Ngày tải lên: 19/03/2014, 16:48
large - scale synthesis and gas sensing application of vertically
... composed of a number of smaller nanorods with a diameter of about 20 nm Therefore, they will be referred to as nanorod bundles hereafter We also performed FE-SEM observation on a cross-section of the ... crystallinity of the primary nanorods The degree of fusion of the primary nanorods in the bundles shows a gradual increase from the top to the base of the bundles Fig 4(e) shows a HRTEM image of the ... second step, the as-formed microspheres serve as substrates for epitaxial growth of c-axis oriented WO3 nanorods with the assistance of SO4 2− ions At the same time, because of their high surface...
Ngày tải lên: 20/03/2014, 13:04
recent advances in wide bandgap semiconductor biological and gas sensors
... variable results in terms of sensitivity for some applications and may not meet the requirements for a hand-held biosensor For homeland security applications, reliable detection of biological agents ... value for Ea of $0.22 eV, comparable for the value of 0.17 eV obtained for the diffusivity of atomic deuterium in plasma exposed bulk ZnO [104,105] This suggests that at least some part of the ... The volume of a half sphere with a diameter of 50 lm is around  10À11 L Therefore, 100,000 of 50 lm diameter droplets of EBC can be formed from each tidal breath To condense entire ll of water...
Ngày tải lên: 20/03/2014, 13:06
thermal treatment effects on the material and gas-sensing properties of room-temperaturetungstenoxidenanorodsensors
... vacuum for more than 10 h to remove residual organic compounds Additional thermal treatments were performed for h at a temperature in the range of 200–700 ◦ C under the flow conditions of N2 , ... increases for the ethanol injection period and eventually reaches to a maximum response of 9.1 It slowly decreases into the initial position for a following recovery time of 20 The recovery time of ... thermal treatment Additional measurements were performed at room temperature upon exposure to other volatile vapors for evaluating the sensing characteristics of our nanorod sensors in terms of sensitivity...
Ngày tải lên: 20/03/2014, 13:11