fingerprinting diesel contamination with simulated distillation and carbon number curves

gas - sensing properties of tin oxide doped with metal oxides and carbon

Ngày tải lên : 19/03/2014, 16:48

... response to ethanol gas and LPG compared with that of SnO2 doped with the other dopants Among carbon nanotubes-doped SnO2 sensors, the sensor doped with 0.1 wt% MWCNTs with a diameter ranging ... multi-walled carbon nanotubes with tin(IV) oxide, Letters to the Editor, Carbon 42 (2004) 3251–3272 [10] B.-Y Wei, M.-C Hsu, P.-G Su, H.-M Lin, R.-J Wu, H.-J Lai, A novel SnO2 gas sensor doped with carbon ... fabrication and characterization were described in our previous works [4,14] All sensors were tested with various concentrations of ethanol gas (100–1000 ppm) and LPG (0.1–1% or 1000–10,000 ppm), and with...

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Báo cáo hóa học: " Enhancements of thermal conductivities with Cu, CuO, and carbon nanotube nanofluids and application of MWNT/water nanofluid on a water chiller syste" docx

Ngày tải lên : 21/06/2014, 04:20

... were conducted with and without the addition of MWNT/water nanofluid The test system included a base fluid loop and a water loop The base fluid could be supplied with either water or with nanofluid; ... vol.%) and the thermal conductivity was increased up to 1.3% at room temperature without surfactant and surface treatment The addition of dispersant and surfactant would make the MWNT coated and ... (dry bulb) and 19°C (wet bulb) The maximum temperature deviation was within 0.05°C and the airflow uniformity of within the environment chamber was less than 0.05 m/s Following the standard test...

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WATER CONTAMINATION WITH TOXIC CHEMICALS AND HEALTH EFFECTS

Ngày tải lên : 30/10/2016, 07:35

... in the hands and feet, leading ultimately to necrosis and gangrene Arsenic exposure has also been associated with an increased incidence of cerebrovascular and microvascular diseases and ischemic ... fouracutely chemicals andmobile have solvent properties b) BTEX compounds are among the most toxicare andvolatile the most in soil and groundwater, with the potential to move through soil and contaminate ... water” CV ❒ GUAM, YIGO – (SITE NO 2) Landfill No.2/Landfill No.4/Landfill No.5 (4 & are contained within 2)-Operable Units Main Base: was used from 1947 to 1975, with a small area active until 1982...

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An experimental investigation of performance and exhaust emission of a diesel engine fuelled with Jatropha biodiesel and its blends

Ngày tải lên : 05/09/2013, 16:11

... Unburned Hydrocarbon (HC) Emission with the BMEP It was observed that the increasing the load increases HC emission and the blending of JOME with diesel fuel decreases the hydrocarbon emission Diesel ... Jatropha biodiesel was compared with the Diesel fuel The fuel properties of Jatropha biodiesel were found to be higher than diesel fuel The Performance and emission parameters of JOME and its blends ... are compared with the result of baseline diesel Result and discussion The test fuels used during this study were neat Jatropha oil methyl ester, a neat diesel, and blends of 20 and 50 percent...

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Theoretical modeling of combustion characteristics and performance parameters of biodiesel in DI diesel engine with variable compression ratio

Ngày tải lên : 05/09/2013, 16:11

... where: λ mole ratio of biodiesel added, n1, m1 number of carbon and hydrogen atoms for diesel fuel respectively, n2 , m2 , z number of carbon, hydrogen and oxygen for biodiesel fuel respectively, ... formula for diesel and biodiesel are approximate, as C13.77H23.44 and C19H35O2 respectively [8, 9] The combustion model is developed for the C.I engine and suitable for any hydrocarbon fuel and their ... biodiesel is closer to TDC than diesel fuel The pressure of cylinder for both diesel and biodiesel comes into agreement with the results obtained by Diesel- rk software [7] 100 Diesel 80 Present Simulation...

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Combustion and emission characteristics of a natural gas fueled diesel engine with EGR

Ngày tải lên : 15/06/2014, 09:26

... as: diesel, plain dual-fuel, dual-fuel with 5% EGR, dual-fuel with 10% EGR and dual-fuel with 20% EGR (3) The value of the maximum rate of pressure rise with dualfuel mode is lower than that with ... subsections for different operating modes: diesel, plain dual-fuel (without EGR), and dual-fuel with variable amounts of EGR With regard to the in-cylinder pressure and heat release rate, the experiments ... and heat release rate 4.1.1 In-cylinder pressure and ignition delay Figs and show the pressure–crank angle degree (CAD) diagram for both conventional diesel and plain dual-fuel modes at 52% and...

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Báo cáo hóa học: " A Facile Synthesis of Polypyrrole/Carbon Nanotube Composites with Ultrathin, Uniform and Thickness-Tunable Polypyrrole Shells" ppt

Ngày tải lên : 21/06/2014, 03:20

... images (see Figure S1 in Additional file 1), compared with that prepared without adding ethanol, carbon nanotubes are better dispersed and not randomly entangled in the PPy/MWCNT composites by adding ... C-H in plane deformation [32] The G-band and Dband of MWCNT clearly change with PPy coating, demonstrating the interfacial interactions between the MWCNT and PPy [31] Interestingly, polaron mode ... in PPy/ MWCNT composite [32] Compared with the CV curves of PPy/MWCNT composites, CV curves of both pure PPy and MWCNTs show lower specific capacitance and non-rectangle-shape Thus it can be...

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Báo cáo vật lý: "Textural Characteristics of Activated Carbons Prepared from Oil Palm Shells Activated with ZnCl2 and Pyrolysis Under Nitrogen and Carbon Dioxide" doc

Ngày tải lên : 07/08/2014, 14:20

... (SEM) and Energy Dispersive X-ray analysis (EDX) were used to observe the structural morphology and composition of activated carbon RESULTS AND DISCUSSION 3.1 BET Surface Area of Activated Carbon ... was filtered and the residue was washed with hot distilled water and dried in oven at 110oC for 24 h The impregnated sample was pyrolyzed in two stages First, the reactor was loaded with impregnated ... prepare and study the effect of different pyrolysis temperatures on the development of the porosity of activated carbon derived from oil palm shells activated with ZnCl2 The activated carbon was...

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Báo cáo khoa học: "Growth, gas exchange and carbon isotope discrimination in young Prunus avium trees growing with or without individual lateral shelters" doc

Ngày tải lên : 08/08/2014, 23:22

... seedlings was measured with a Scholander pressure chamber and was between -0.1 MPa (July 11) and -0.45 MPa (August 16), thus indicating an absence of severe drought constraints were Carbon dioxide assimilation ... treatments with 67.89, 72.95 and 101.79 g m in S, L and C, respec-1 tively DISCUSSION (fig 8) Climatic parameters (mainly I and ΔW) difp fered between the control treatment and There was ... Medina and Minchin, 1980 ; Francey and Farquhar, 1982 ; Medina et al, 1986 ; Gebauer and Schulze, 1991).In the present study, different light regimes and associated small differences in T and ΔW...

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Computing with simulated and cultured neuronal networks

Ngày tải lên : 10/09/2015, 09:08

... Generalization, and the Kernel Quality 27 3.5 Results and Discussion 29 3.5.1 Regions with Satisfactory Performance 32 3.5.2 Regions with Optimal Performance 34 3.5.3 Music and Non-music ... feedback from the output With the aim of closing this loop and the feasibility of using drug to engineer the culture, we created a simulated animal and trained it to interact with a 3D environment ... axon model and the distribution of synaptic delays Figure 3.3 Analysis for separation and generalization ability of the lambda and axon models Figure 3.4 Number of synapses for the lambda and axon...

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Investigations of carbon nanotube based electronic devices with focus on metal and carbon nanotube contacts

Ngày tải lên : 10/09/2015, 15:52

... single wall carbon nanotube 1.2 Carbon nanotube and metal contact 1.2.1 Atomic structure of carbon nanotube and metal contacts 1.2.1.1 Carbon nanotube and metal contact with side-contact ... IDSVDS curves (VGS = V) Fig 3.8: IDS-VDS curves (VGS = V) for (a) Pd contacted SWCNT FETs with 1.53 and nm SWCNTs, and (b) Nb2C contacted SWCNT FETs with 1.6 and nm Insets show the IDS-VGS curves ... certain (yet low) solubility for carbon Metals of 3d- and 4d-type with vacant dorbitals (Ti, Nb) form strong bonds with carbon (Andriotis et al., 2000) Strong metal carbon bonds can lead to a sufficient...

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Creating Cool Web Sites with HTML, XHTML, and CSS

Ngày tải lên : 27/08/2012, 09:03

... Web Sites with HTML, XHTML, and CSS Dave Taylor Creating Cool Web Sites with HTML, XHTML, and CSS Creating Cool Web Sites with HTML, XHTML, and CSS Dave Taylor Creating Cool Web Sites with HTML, ... Publishing logo and related trade dress are trademarks or registered trademarks of John Wiley & Sons, Inc and/ or its affiliates, in the United States and other countries, and may not be used without ... Web Sites with HTML, XHTML, and CSS is an introduction to HTML, XHTML, and Cascading Style Sheets HTML is the HyperText Markup Language, and it’s the language that enables you to create and publish...

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Báo cáo y học: "Special considerations in the treatment of patients with bipolar disorder and medical co-morbidities"

Ngày tải lên : 25/10/2012, 10:51

... associated with risperidone, quetiapine and ziprasidone, and more frequently with clozapine and olanzapine [26,27] http://www.general-hospital-psychiatry.com/content/3/1/7 Of note, those with baseline ... 50% in patients with CHF [41] Women with obesity and polycystic ovaries or hyperandrogenism treated with valproate have also been shown to have elevations in serum triglycerides and low HDL to ... Obesity in bipolar patients is correlated with a greater number of lifetime depressive and manic episodes, a more severe and difficult-to-treat index episode, and a greater risk of developing an affective...

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Báo cáo y học: "Characterization of erythrovirus B19 genomes isolated in liver tissues from patients with fulminant hepatitis and biliary atresia who underwent liver transplantation"

Ngày tải lên : 26/10/2012, 10:03

... VP1 and VP2 and isolates with only one short sequence in the NS1) All B19 isolates showed an overall identity of 98% at the nt level among each isolate with 4561 bp recovered in this study and ... detected in 10 of 28 (35.7%) patients with fulminant hepatitis and of 19 (36.8%) patients with BA, respectively (statistically not significant) Except for two infants with fulminant hepatitis who were ... AAA GC-3', nt 2143-2162) and PV1R for the 1st PCR and PV6 (sense, 5'-GGC GCC TGG AAC ACT GAA AC-3', nt 2208-2227) and PV2R for the 2nd PCR; for fragment C (1297 bp), PV1 and PV3R (sense, 5'-TAC...

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Mobile 3D Graphics with OpenGL ES and M3G

Ngày tải lên : 03/11/2012, 11:23

... display list invocation commands (CallList and CallLists; see section 5.4), and the EdgeFlag command Executing any other GL command between the execution of Begin and the corresponding execution ... commands set the s coordinate to the provided single argument while setting t and r to and q to Similarly, TexCoord2 sets s and t to the speciﬁed values, r to and q to 1; TexCoord3 sets s, t, and ... colors associated with them 2.6.1 Begin and End Objects Begin and End require one state variable with eleven values: one value for each of the ten possible Begin/End objects, and one other value...

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Water and Carbon

Ngày tải lên : 14/03/2013, 14:42

... Water and Carbon: The Chemical Basis of Life May 4, 2011 Solid ….ice! 고체…얼음 Chất rắn ወወወ băng ‫.وهي حالة ... estado de agregación de la materia en el que las sustancias no tienen forma ni volumen propio, adoptando el de los recipientes que las contienen ‫الغاز هو أحد حال ت المادة، ومثل السوائل فإن الغازا...

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Propelling Business Growth With A Secure And Continuous Information Infrastructure

Ngày tải lên : 24/04/2013, 20:04

... tape and validated  Application: restored from tape and validated  Data: restored from tape and validated  Connectivity: restored and validated  Redundancy of data: recover lost transaction and ... tape and validated  Application: restored from tape and validated  Data: restored from tape and validated  Connectivity: restored and validated  Redundancy of data: recover lost transaction and ... Storage and Management Challenges Information stored on disk arrays ~ 70% IT budget growth ~ - 5% IT environment getting more complex SLA’s continue to expand and tighten Protection and security...

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arsenic contamination in soils, water and plants

Ngày tải lên : 25/04/2013, 08:21

... from the mine and at the altitude of 276 meters from the mean sea level Most of lands were engaged in farming and cropping plants such as corns, tapiocas, soybean, and rubber trees Within sub-catchment ... and No.4, arsenic contamination in Oak fern (Dryopteris amboinensis Ktze.F) are of 0.23 mg/kg and 0.16 mg/kg, respectively As a result described above, it can be seen that there are arsenic contamination ... porosity and permeability of soil, land use, and soil loss etc., may be needed to be determined These are important for analyzing the arsenic mobility, which would be beneficial for planning and management...

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Improvement of nutrient removal and phosphorus recovery in the anaerobic/oxic/anoxic process combined with sludge ozonation and phosphorus adsorption

Ngày tải lên : 05/09/2013, 09:38

... oxidant, and recirculation of the solubilized excess sludge, containing readily biodegradable carbon, in a biological treatment system (Chu et al., 2008; Cui and Jahng, 2004; Kamiya and Hirotsuji, ... process with ozonation and phosphorus adsorption: A, previous study (Suzuki et al., 2006); B, this study - 136 - Journal of Water and Environment Technology, Vol 7, No 2, 2009 MATERIALS AND METHODS ... NO2-N, and PO4-P were measured with a TRAACS 2000 (Bran+Luebbe, Japan) RESULTS AND DISCUSSION The A/O/A process combined with the microbubble ozonation system and the phosphorus adsorption column...

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