oxide nitrogen dioxide and nitrous acid

... higher oxides of nitrogen as related to the manufacture, storage and administration of nitrous oxide Br J Anaesth 1967, 39:345–350 Gaston B, Drazen JM, Loscalzo J, Stamler JS: The biology of nitrogen ... respiratory distress syndrome N Engl J Med 1993, 328:399–405 Stavert DM, Lehnert BE: Nitric oxide and nitrogen dioxide as inducers of acute pulmonary injury when inhaled at relatively high concentrations ... 0.1 NO (ppm) Individual nitrix dioxide (NO2) measurements in parts per million (ppm, y-axis) for the different nitric oxide (NO) concentrations adjusted (xaxis, NO) and the different FiO2 values...

Ngày tải lên: 12/08/2014, 18:20

... emissions In addition, NO2 and other nitrogen oxides also contribute to the generation of ozone and other oxidant pollutants and are a precursor of the formation of nitric acid and subsequently the ... example, sulphur dioxide is oxidized in the atmosphere to form sulphuric acid (H2SO4), which can be neutralized by NH3 to form ammonium sulfate Nitrogen dioxide (NO2) is oxidized to nitric acid (HNO3), ... interaction of sunlight with nitrogen dioxide and volatile organic compounds Temperature and humidity are also important Multiple components interact to alter the composition and as a result the toxicity...

Ngày tải lên: 17/02/2014, 11:20

... products from DCAA and TCAA by o hydrothermal reaction at 250 C and MPa Journal of Water and Environment Technology, Vol.1, No.2, 2003 acid, % of glycolic acid and % of formic acid were detected ... organic acid, chlorine ion and DOC, all samples were filtered to separate solid materials, using micro-syringes and filters with pore size of 0.45 µm RESULTS AND DISCUSSION Glycolic acid Formic acid ... malic acid decreased, and was converted into more simple organic acids as reaction time increased Glycolic acid increased up to 28 % at 27 min, and then decreased gradually However, formic acid...

Ngày tải lên: 05/09/2013, 08:40

... Happe, 2001) Fermentative system, on the other hand, is carried out by facultative anaerobes and obligate anaerobes (Joyner and Winter, 1977; Nandi and Segupta, 1998) Among these microorganisms, ... acetate, fructose and most intermediates of the tricarboxylic acid cycle (Pfenning and Trüper, 1974) R rubrum uses light (photon) to produce hydrogen and maintains energy for growth and metabolism ... production (Figures 1, 2) Figures and illustrated a reduction of glucose concentration and an increase of acetate and butyrate during hydrogen production at each nitrogen level and various initial acetate...

Ngày tải lên: 05/09/2013, 09:08

... Kuroda H.,(1991), Nitrogen Outflow Diagram in a Small Agricultural Area Having Uplands and Lowlands Trans JSIDRE 154,65-72.(in Japanese) Tabuchi T., (1998), Nitrogen Outflow Model with Nitrogen Removal ... decreases as it passes through the lowlands A wetland has a natural purification function for nitrogen and is therefore considered important in the curtailment of nitrogen loads flow into the lake ... Journal of Water and Environment Technology, Vol.3, No.2, 2005 fields and forests on a plateau and a wetland which includes a paddy field in the lowlands Initial investigation showed...

Ngày tải lên: 05/09/2013, 09:08

... (3) where NHi and NOi represent NH4-N and NO2+3-N in the ith layer [g-N/m2], respectively, and Nrice is the rice nitrogen [g-N/m2] The terms radv,NH,i and radv,NO,i are the NH4-N and NO2+3-N inflow ... production and water treatment and a detailed understanding of the nitrogen dynamics in VF constructed wetlands CONCLUSIONS In the experimental pots replicating VF constructed wetlands, a variety ... closely related with growth Assuming Monod-type nitrogen uptake kinetics (Selim and Iskandar, 1981) and ignoring the temperature effects, the NH4-N and NO2+3-N uptake by rice is described as rup...

Ngày tải lên: 05/09/2013, 09:38

... fatty acids, and the ratio of each fatty acid RESULTS AND DISCUSSION Characteristics of carbon stable isotope in Z japonica The mean δ13C of Z japonica was -12.4 ± 1.6‰ in the leaves and stems, and ... the roots and rhizomes Meanwhile, Z marina in the leaves and stems has -9.7 ± 1.0‰, and in the roots and rhizomes has -9.6 ± 1.0‰ Fig shows that the leaves and stems as well as the roots and rhizomes ... We found about 30 kinds of fatty acids in the leaves and stems and about 36 kinds of fatty acids in the roots and rhizomes of Z japonica We focused on the fatty acid content of Z japonica , because...

Ngày tải lên: 05/09/2013, 10:17

... essential oil and shikimic acid from star anise fruits With this method, obtaining yield of essential oil and shikimic acid respectively are 9.5% and 5.6% (essential oil content and shikimic acid content ... Sciences and Technology 26 (2010) 110-113 for obtaining simultaneously essential oil and shikimic acid from star anise fruits The yield of essential oil and shikimic acid were 9.5% and 5.6% (r.m), ... obtained by methods N0 1, N0 and N0 were shown at table and table Table Obtaining simultaneously essential oil and shikimic acid from star anise fruits by methods N0 1, N0 and N0 Method N0 N0 N0 Star...

Ngày tải lên: 12/02/2014, 17:20

... and 450 nm Molecular mass information was obtained as described [6], determining the elution volumes of standard proteins and the void volume of the column The Superdex 200 PC 3.2/30 column and ... N210K and copurification of the 4¢-phosphopantothenoylCMP intermediate His-CoaB proteins (His-CoaB and His-CoaB N210K) were purified from E coli cell extracts by Ni-nitrilotriacetic acid and either ... (forward) 5¢-GCCAGTTTTGAATTCTGGAAAGCGC CTCG-3¢ and (reverse) 5¢-CGGGTCCAAGATCTTAA CGTCGATTTTTTTC-3¢ as primers (introduced EcoRI and BglII sites are underlined) and the purified chromosomal DNA as template...

Ngày tải lên: 19/02/2014, 12:20

... H [18] and has been reported to be important for substrate binding for E coli RNase HI [28], as in Halobacterium and S tokodaii enzymes On the other hand, the C-terminal region (amino acid residues ... Deoxyribonucleotides and ribonucleotides are shown by uppercase and lowercase letters, respectively The asterisk and the black arrowhead indicate the fluorescent-labeled site and the RNA–DNA junction, ... RNase H domain and an APase domain The RNase H and APase activities of the full length SCO2299 protein depend on its N-terminal RNase H domain and C-terminal APase domain, respectively, and not interfere...

Ngày tải lên: 19/02/2014, 18:20

... tubingensis (95.7% amino acid sequence identity) and A aculeatus (78.9% amino acid sequence identity) and lower similarity to bacterial endogalactanases (between 21% and 28% amino acid sequence identity) ... plates and purified by rescreening at low plaque density Standard methods were used for other DNA manipulations, such as Southern analysis, subcloning, DNA digestions, and lambda phage and plasmid ... D-galactose, D-galactobiose and D-galactotetraose were used as standards to identify the D-galactose and D-galacto-oligosaccharides The calculated areas for D-galactose and D-galacto-oligosaccharides...

Ngày tải lên: 21/02/2014, 01:21

... amino acids (i.e Q, N, S, and T) and an increase in charged amino -acid residues (i.e K, E, and R) in hyperthermophilic proteins As S and T can catalyze the deamination and backbone cleavage of Q and ... 0.981, is based on the elution data of the 200, 150, and 66 kDa protein standards Linear regressions (1) and (2) give molecular masses of 200 and 177.5 kDa, respectively, for BLXI q FEBS 2001 ... The amounts of fructose and xylulose produced were determined using the cysteine/carbazole/sulfuric acid method Absorbance was measured at 537 nm and 560 nm for xylulose and fructose, respectively...

Ngày tải lên: 22/02/2014, 07:20

... expression vector Effect of unliganded RARa and RXRa and retinoic acid (RA) treatments on GnRH II promoter activity To investigate the in vivo effect of RARa and RXR on the transcriptional regulation ... regulation of GnRH II gene by RARs, TE671 and JEG-3 cells were treated with all-trans retinoic acid (ATRA; a ligand of RARs) and ⁄ or 9-cisRA (a ligand of RXRs) before the measurement of GnRH ... hGnRH II gene in TE671 and JEG-3 cells In vivo effect of RARa and RXRa with their ligands, ATRA and 9-cisRA, on the promoter activity of the hGnRH II gene in TE671 cells and JEG-3 cells Values...

Ngày tải lên: 16/03/2014, 10:20

... super-saturation, Si will separate out at the interface and grow epitaxially on the Si substrate Silicon oxide will flow over the Au particle surface and form a layer sheathing the SiNW The diameter ... °C and (b) 700 °C The scale bar is lm (c) TEM image of a SiNW with an Au particle tip and (d) corresponding silicon elemental mapping The scale bar is 50 nm (e) EDX spectrum of the nanowire and ... the SiNWs and limited the wire diameter The present SiO–Au approach offers certain advantages over the common metal-catalytic VLS method and the OAG method, such as the absence of toxic and flammable...

Ngày tải lên: 16/03/2014, 15:06

... 7- and 25-fold lower than that for l-Arg, and those for the non-a-amino acid N-hydroxyguanidines BuNOHG and TFBNOHG were 3- and 12-fold lower than that for NOHA The koff app values for BuGua and ... 3.8- and 3.6-fold lower than those for their nonfluorinated analogues BuGua and BuNOHG, respectively, and the koff app values for TFBGua and TFBNOHG are 1.6 and times lower than those for BuGua and ... be 10 and times higher than that for l-Arg, and those for BuNOHG and TFBNOHG were 20 and times higher than that for NOHA Interestingly, konapp values for the fluorinated compounds TFBGua and TFBNOHG...

Ngày tải lên: 16/03/2014, 22:20

... The ligand-dependent interaction between AR NTD and AR LBD, N/C interaction, was studied in yeast and mammalian in vivo protein interaction systems, and in Ó FEBS 2002 Interaction between androgen ... 15 and 37, the putative a-helix is flanked by proline residues Within the helix, two candidate FxxFF protein interaction motifs (F is any hydrophobic amino acid residue and x is any amino acid ... amino acids 23, 26 and 27 completely abolished interaction with GalDBD-AR.LBD and alanines at positions 24 and 25 increased the interaction capacity All alanine substitutions of amino acids flanking...

Ngày tải lên: 17/03/2014, 10:20

... Galatsis et al / Sensors and Actuators B 83 (2002) 276±280 279 Fig CO and NO2 response of Mo and W oxide sensors operating at 300 8C 4.4 Carbon monoxide (CO) and nitrogen dioxide (NO2) gas sensing ... outperforming the single metal oxides MoO3 has to be highly oxidized and reduced By mixing it with TiO2 and WO3, the resistivity is reduced and in cases of O3, CO and NO2 gas and ethanol vapor sensing, ... technology and instrumentation for over 30 years He has published four books and monographs and over 200 papers and holds 26 Patents He is a Professor at RMIT University, Melbourne, Australia and heads...

Ngày tải lên: 19/03/2014, 16:47

... absorption bands centered at 3400, 1630 and 950 cm−1 can be assigned to O–H stretching mode for interlayer water, oxonium ions and hydroxyl groups, H–O–H bending for water and oxonium ions, and O–H ... nanosheets were often bent (Figs and 4) The Na+ ions attached in nanotubes and nanosheets could be exchanged and removed after washing with water and diluted acid solution Titanium in the amorphous ... throughly with water and 0.1 mol/L HCl aqueous solution until the pH value of the washing solution lower than 7, and subsequently filtered and dried at 60 ◦ C The structural and chemical natures...

Ngày tải lên: 20/03/2014, 13:11

... into SFC and FFC, SFD, FFD and FFD-500 groups SFC and SFD groups received AIN-76 basal diet, whereas FFC and FFD groups received AIN-76 diet, wherein starch was replaced with 5% wheat bran and 2.5% ... article, we have tried to determine and explore the changes in Nlinked oligosaccharides of laminin during diabetes and the likelihood of dietary fiber and butyric acid in modulating these changes ... end of experimental period and, as expected, showed increased urine output, excretion of sugar and increase in glomerular filtration rate Feeding dietary fiber and butyric acid resulted in the amelioration...

Ngày tải lên: 22/03/2014, 17:20

... of N-benzyl-N-acetylhydroxamic acid (Table 3, Entries and 2) Typically hydroxamic acids are cleaved using Mg(Hg)/TiC14 Disappointingly, when the simple hydroxamic acid was treated with SmI2 only ... processes and a general guide to functional group compatibility see: (a) Molander, G A Organic Reactions; Paquette, L A., Ed.; John Wiley and Sons: New York, 1994; Vol 46, pp 211-367 (b) Brandukova, ... br s, dd, dq, br t and ABq stand for the resonance multiplicity singlet, doublet, triplet, quartet, broad singlet, doublet of doublets, double of quartets, broad triplet, and AB quartet, respectively...

Ngày tải lên: 22/03/2014, 18:20