harmful matter emission from fbc boilers

Ultraviolet amplified spontaneous emission from self organized network of zinc oxide nanofibers

Ultraviolet amplified spontaneous emission from self organized network of zinc oxide nanofibers

... spectra of the ZnO nanofiber network excited by 355 nm light from Xe lamp inserted with the normalized UV emission bands excited by 355 nm light from Xe lamp and 312 kW/ cm2 frequency-tripled Nd:YAG ... light selected from a Xe lamp The PL spectrum contains a strong narrow UV band peaking at 386 nm and a very weak broad green band centered at about 520 nm The UV emission is originated from excitonic ... APPLIED PHYSICS LETTERS 86, 011118 (2005) Ultraviolet amplified spontaneous emission from self-organized network of zinc oxide nanofibers C X Xu,a) X W Sun,b) Clement Yuen, B J...

Ngày tải lên: 18/05/2014, 11:29

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báo cáo sinh học:" Access to non-pecuniary benefits: does gender matter? Evidence from six low- and middleincome countries" ppt

báo cáo sinh học:" Access to non-pecuniary benefits: does gender matter? Evidence from six low- and middleincome countries" ppt

... of the social inequalities they are meant to address and be immune from [3] For example, previous analysis using facility data from the Assessment of Human Resources for Health in Sri Lanka revealed ... discussed Methods Our study employs data from the Assessment of Human Resources for Health, a multi-country survey implemented with technical and financial support from the World Health Organization ... in-service training which tends to be more accessible to male staff Results from the multiple regression analysis The results from the regression analyses for nursing and midwifery personnel are reported...

Ngày tải lên: 18/06/2014, 17:20

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Báo cáo hóa học: " Visible emission from Ce-doped ZnO nanorods grown by hydrothermal method without post thermal annealing process" ppt

Báo cáo hóa học: " Visible emission from Ce-doped ZnO nanorods grown by hydrothermal method without post thermal annealing process" ppt

... obtained from FE-SEM images were plotted versus the ZnO source molar contents in Figure 1f With the increasing molar content of the ZnO source from 10 to 80 mM, the diameter increased linearly from ... samples exhibit mainly two emission peaks at UV and visible ranges, which correspond to the band edge emission of ZnO and deep or Ce-activated atomic levels, respectively The emission band at a visible ... UV emission for undoped and Ce-doped ZnO NRs are the same at 384 nm If the Ce dopant incorporated into the ZnO as a donor with the valence state Ce4+, the band edge emission peak position from...

Ngày tải lên: 20/06/2014, 23:20

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báo cáo hóa học: " Intense ultraviolet emission from needle-like WO3 nanostructures synthesized by noncatalytic thermal evaporation" pptx

báo cáo hóa học: " Intense ultraviolet emission from needle-like WO3 nanostructures synthesized by noncatalytic thermal evaporation" pptx

... reported strong blue emission band centered at 467 nm from tungsten oxide nanowire networks In contrast, a sharp strong NUV emission band at 390 nm and a broad weak blue emission band centered ... higher temperatures This suggests that the blue emission does not originate from deep level defects but from a band-to-band transition The strong blue emission obtained in the lowest temperature ... reported an NUV emission band centered at 395 nm from WO3 - x nanowire networks, even if the emission band was not as sharp and strong as the one from the needle-like tungsten oxide nanostructures...

Ngày tải lên: 21/06/2014, 02:20

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Báo cáo hóa học: " Thickness-dependent optimization of Er3+ light emission from silicon-rich silicon oxide thin films" pdf

Báo cáo hóa học: " Thickness-dependent optimization of Er3+ light emission from silicon-rich silicon oxide thin films" pdf

... shows typical variations of the PL intensity (normalized to the thickness) of emission, both from Sincs around 750 nm, and from Er ions around 1.5 μm (see inset), as a function of the annealing temperature ... optimization of Er3 + light emission from silicon-rich silicon oxide thin films Nanoscale Research Letters 2011 6:395 Submit your manuscript to a journal and benefit from: Convenient online submission ... thick films has been already observed and explained [20,21] By contrast, no Si-nc PL emission is detected from the thin films, even after a 1,100°C annealing This phenomenon is due to the low...

Ngày tải lên: 21/06/2014, 03:20

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Báo cáo hóa học: "Enhanced Field Emission from Argon Plasma-Treated Ultra-sharp a-Fe2O3 Nanoflakes" pdf

Báo cáo hóa học: "Enhanced Field Emission from Argon Plasma-Treated Ultra-sharp a-Fe2O3 Nanoflakes" pdf

... increased from the original 16–60 lA cm-2 At the same time, the turn-on field has been reduced from 10 to V lm-1 after 10 exposure to Ar plasma The exponential dependence between the emission current ... 5.035 A and c = ˚ are readily conformed from the XRD pattern 13.749 A [19] The dominant diffraction peak form the (110) planes in our XRD pattern results from the (110) growth direction 123 (a) ... as-grown and plasma-treated nanoflakes exhibit significantly different emission behaviors Detailed measurements reveal that the electron emission performance of the plasma-treated samples has been dramatically...

Ngày tải lên: 21/06/2014, 20:20

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Báo cáo hóa học: "Localized-Surface-Plasmon Enhanced the 357 nm Forward Emission from ZnMgO Films Capped by Pt Nanoparticles" ppt

Báo cáo hóa học: "Localized-Surface-Plasmon Enhanced the 357 nm Forward Emission from ZnMgO Films Capped by Pt Nanoparticles" ppt

... mass-thickness from to nm, the particle size increases from 20 to 200 nm, while the inter-particle distance of the Pt NPs increases from 20 to 150 nm It is also found that the particle shape changes from ... ZnMgO film shows a weak UV emission at 357 nm (3.47 eV), and this energy is consistent with the band-gap of the ZnMgO film obtained from Fig 2, inferring the band-gap emission from ZnMgO The PL peak ... enhancement of the UV emission from the Pt-capped ZnMgO film mainly be attributed to the resonance coupling between the Pt LSP and the band-gap emission of ZnMgO This LSP-enhanced emission process...

Ngày tải lên: 21/06/2014, 20:20

5 187 0
Báo cáo hóa học: " Origin of defect-related green emission from ZnO nanoparticles: effect of surface modification" docx

Báo cáo hóa học: " Origin of defect-related green emission from ZnO nanoparticles: effect of surface modification" docx

... spherical nanoparticles from OD with longer reaction time have a diameter ranging from 12 to 14 nm [23] Figure shows the RT PL of ZnO spherical nanoparticles prepared from pure OD with different ... been reported [29] that the visible emission from nanowires decreases as the wire diameter increases Moreover, previously we found that [23] green luminescence from ZnO nanocrystals with different ... reaction time To investigate the origin of the commonly observed green emission, we also prepared ZnO spherical nanoparticles from: 1) the mixture of TOA and OD in a 1:10 molar 123 Nanoscale Res...

Ngày tải lên: 22/06/2014, 18:20

6 200 0
Emission from wood based products

Emission from wood based products

... conditions" assumed for the predictions of emission Since formaldehyde emission from wood based products is higher in such hot, humid conditions the emission was tested in the conditions actually ... Formaldehyde Emission with Field and Laboratory Emission Cell (FLEC) Indoor Air 1999:9 268-272 Page 35 Ngaio Street New Plymouth NEW ZEALAND Ph: +64 755 3337 e-mail: info@timbertest.co.nz Emission from ... Emission from wood-based products © Stephen Young & Associates Limited March 2005 Standards Specifying Emission Classifications Japanese Amended Building...

Ngày tải lên: 30/08/2014, 10:31

10 508 1
MODELING AND MEASUREMENT OF ELECTROMAGNETIC RADIATED EMISSION FROM HIGH SPEED INTERCONNECTS IN DIGITAL CIRCUITS

MODELING AND MEASUREMENT OF ELECTROMAGNETIC RADIATED EMISSION FROM HIGH SPEED INTERCONNECTS IN DIGITAL CIRCUITS

... 89 iv 3.4 The radiated emission from interconnects with a non-linear dynamic load 93 3.4.1 The radiated emission model 93 3.4.2 The radiated emission from the interconnects loaded ... for the radiated emission measurement 110 4.3 Measurement of radiated emission from interconnects in simple RF circuits 113 4.4 Measurement of radiated emission from interconnects ... radiated emission from the straight interconnect made on FR4 114 Fig 4.4: The radiated emission from the straight interconnect made on RT5880 115 Fig 4.5: The radiated emission...

Ngày tải lên: 09/09/2015, 08:12

188 370 0
Comprehensive study of particulate emission from laser printers

Comprehensive study of particulate emission from laser printers

... include direct emissions from indoor sources, ventilation supply from outdoor air, filtration, and deposition onto indoor surfaces, occupant‟s preferences or activities and removal from indoor air ... Apart from direct emissions from the primary sources, some particles are formed in the air through reactions involving gases or vapors Nucleation is the initial step of phase transition from gas ... printer emissions The second chapter of this M.Eng thesis comprehensively covers the earlier literature on the present topic chosen for this investigation – Emission of ultrafine particles from...

Ngày tải lên: 03/10/2015, 21:55

81 190 0
PROPOSE SOLUTIONS TO INTEGRATE REDUCING EMISSION FROM

PROPOSE SOLUTIONS TO INTEGRATE REDUCING EMISSION FROM

... the emissions of CO2 resulting from deforestation and degradation within their borders Derived from the pressing issues above, entitled “Propose solutions to integrate Reducing Emission from ... four main categories: reducing emissions from deforestation; reducing emissions from forest degradation; enhancing forest carbon sinks; and product substitution From these above tables (table ... Reducing Emissions from Deforestation and Forest Degradation in Developing Countries (UN-REDD Programme) was created in September 2008 to assist developing countries to build capacity to reduce emissions...

Ngày tải lên: 18/11/2020, 14:00

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NCKH BLACK CARBON EMISSION FROM  RICE STRAW OPEN BURNING  IN SOME PROVINCES OF THE RED RIVER DELTA

NCKH BLACK CARBON EMISSION FROM RICE STRAW OPEN BURNING IN SOME PROVINCES OF THE RED RIVER DELTA

... combustion) = 0.89 EFi,j : Emission factor of pollutant i from crop type j (g/kg of dry matter) = 0.51 18 Methodology Analysis & data processing • BC emission per capita BC emission per capita = ∑EmBC ... processing • Estimation of emission Emi,j = ∑ Mj × EFi,j (2.1) Where, i,j : Pollutant i and crop type j Emi,j : Emission of pollutant i from crop type j Mj : amount of burned biomass from crop type j (kg/year) ... EmBC: emission of BC (g/year) • Comparison BC emission by province of two approaches Approach Approach Use BC emission per capita of commune Use total production of paddy by province EBC = Emission...

Ngày tải lên: 10/05/2016, 10:44

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Removal of Nutrients, Organic Matter and Heavy Metals from Paddy Field Drainage by Charcoal

Removal of Nutrients, Organic Matter and Heavy Metals from Paddy Field Drainage by Charcoal

... reduce loads from farmland, water treatment equipment containing wood charcoal was devised to enable the charcoal to remove organic matter, nutrients and heavy metals in the drainage from a paddy ... the behavior of TP differs from that of TOC and TN in the equipment The CVs in heavy metals were larger than those of TOC, TN and TP Especially, the CV of Fe changed from 0.73 at IN to 1.47 at ... remove organic matter, nutrients, and heavy metals in a test paddy field was investigated The following results were obtained: (1) The TOC, TN, TP, Cr, Fe and Pb in the drainage from the paddy...

Ngày tải lên: 05/09/2013, 09:38

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Estimation of emissions of nonmethane organic compounds from a closed landfill site using a landfill gas emission model

Estimation of emissions of nonmethane organic compounds from a closed landfill site using a landfill gas emission model

... quantify the variability in landfill gas composition from one emission source to another across a landfill and within a given emission source Emission sources include passive vents, soil surfaces, ... given landfill varies from the regulatory default values for parameters such as the average total NMOC concentration and emission in the landfill The higher the deviation from the default value, ... collected from a closed landfill site in South Manchester, United Kingdom The paper specifically aims to estimate total annual mass emission rate of Nonmethane organic compounds (i.e VOCs) emitted from...

Ngày tải lên: 05/09/2013, 16:11

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Tài liệu Health risks of particulate matter from long-range transboundary air pollution ppt

Tài liệu Health risks of particulate matter from long-range transboundary air pollution ppt

... affect emissions of fine PM With all these measures, primary PM10 emissions from stationary combustion of fossil fuels are expected to decline significantly in the coming years Emissions from mobile ... from this category from 7% in 2000 to 1% in 2020 The share of exhaust emissions from diesel passenger cars is calculated to decline from 12% to 6% in 2020, while the contribution from off-road mobile ... originate from the combustion of solid fuels in small stoves in the residential and commercial sectors, followed by industrial emissions from energy combustion and manufacturing processes and from...

Ngày tải lên: 17/02/2014, 11:20

113 474 0
Báo cáo " Estimation of emission factors of air pollutants from the road traffic in Ho Chi Minh City " docx

Báo cáo " Estimation of emission factors of air pollutants from the road traffic in Ho Chi Minh City " docx

... possibility of determining emissions not only from the engines, but also from evaporation of fuel However, it is not always possible to find a tunnel close or inside the city were the emissions are produced ... 24 (2008) 184-192 4.5 Estimation of traffic emission factors 4.5.1 Total emission factors for all vehicles a Estimation total emission factors Total emission of pollutant was calculated by using ... tunnel, Switzerland) and from emission modeling, Atmospheric Environment 33 (1999) 3367 [8] H Kawashima, S Minami, Y Hanai, A Fushimi, Volatile organic compound emission factors from roadside measurements,...

Ngày tải lên: 05/03/2014, 16:20

9 750 1
Volatile organic compound emission and other trace gases from selected animal buildings ppt

Volatile organic compound emission and other trace gases from selected animal buildings ppt

... of VOC from pigsty based on correlation with methane or ammonia Values for methane and ammonia emissions for 2002 were adopted from Dämmgen (200) CH / NH3 Emission (± 30 %) [g a-] VOC Emission ... tendency for a dominant acetone emission from a certain animal species The total annual VOC emissions from the measured animal groups were estimated to range from as low as 15 to as high as 77 ... and emissions from slurries produced from weaner pigs fed dry feed and liquid diets J Sci Food Agric 73(4):437-445 Hobbs PJ, Misselbrook TH, Pain BF (1998) Emission rates of odorous compounds from...

Ngày tải lên: 05/03/2014, 21:20

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DOES MOTHER’S EDUCATION MATTER IN CHILD’S HEALTH? EVIDENCE FROM SOUTH AFRICA doc

DOES MOTHER’S EDUCATION MATTER IN CHILD’S HEALTH? EVIDENCE FROM SOUTH AFRICA doc

... 2008 619 comes from the 1993 South Africa LSMS This is a nationally representative, multipurpose household survey conducted by the World Bank which randomly selected 9,000 households from all races ... per capita monthly consumption is 95.45 Rands,10 only 43% of the households drink water from the pipe or from water vendors and 35% has either a toilet or an improved latrine as their sanitation ... decline from months of age through the second year of life, followed by a turnover and a continuous improvement thereafter.14 This suggests a U shape pattern in the transition period from breastfeeding...

Ngày tải lên: 14/03/2014, 11:20

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