Reduction of nitrate by nanoscale zero-valent iron supported on mesoporous silica beads
Ngày tải lên: 05/09/2013, 09:38
... reserved. Keywords: Mesoporous WO 3 ;NO 2 gas sensor; Sol–gel process 1. Introduction The detection of NO 2 is important for monitoring environ- mental pollution resulting from combustion or automotive emissions ... conductors, grain boundaries contribute most of the resistance. The surface resistivity of an oxide crystal depends on the electron concentration near the surface, which...
Ngày tải lên: 20/03/2014, 13:07
Ngày tải lên: 05/09/2013, 09:38
Báo cáo khoa học: A kinetic approach to the dependence of dissimilatory metal reduction by Shewanella oneidensis MR-1 on the outer membrane cytochromes c OmcA and OmcB potx
... inhibit Fe(III) reduction, as characterized by IC 50 s of 10.7 lm and 81.4 lm for inhibition of OmcA and OmcB, respectively. Modes of inhibition of either OmcA or OmcB by V(V) The modes of inhibition of either ... vanadium by Shewanella oneidensis. Appl Environ Microbiol 69, 3636–3639. 7 Klonowska A, Heulin T & Vermeglio A (2005) Selenite and tellurite reduction by...
Ngày tải lên: 07/03/2014, 09:20
Báo cáo khoa học: Structure of coenzyme F420H2 oxidase (FprA), a di-iron flavoprotein from methanogenic Archaea catalyzing the reduction of O2 to H2O ppt
... second half-cycle proceeds with binding of the first F 420 H 2 and subsequent reduction of FMN, from which the electrons are shuttled one by one to the irons. After release of F 420 , a second ... characterized by a di -iron center and a switch loop in the open conformation, the rearrangement from the closed conformation being presumably triggered by iron oxidation upon air ex...
Ngày tải lên: 07/03/2014, 10:20
photocatalytic reduction of no with nh3 using si doped tio2 prepared by hydrothermal method
... hour operation. The high NO conversion at the beginning of the reaction is the result of the high initial rate of adsorption plus reaction of reactants [12]. The photocatalytic activity of Degussa ... the reduction of NO. Several methods have been reported on the preparation of SiO 2 –TiO 2 mixed oxides [8–10]: mixing particles of both preformed oxides, attaching TiO 2 ont...
Ngày tải lên: 20/03/2014, 13:06
Báo cáo khoa học: Reduction of S-nitrosoglutathione by human alcohol dehydrogenase 3 is an irreversible reaction as analysed by electrospray mass spectrometry pptx
... S-hydroxy- methylglutathione oxidation, the catalytic efficiency of S-nitrosoglutathione reduction was significantly decreased by replacement of Arg115 by Ser or Lys, supporting similar substrate binding. NADH was by ... m M for the adduct formation. Deter- mination of kinetic constants for NADH and NADPH were performed with a GSNO concentration of 0.5 m M . Determination of ki...
Ngày tải lên: 31/03/2014, 07:20
The Countess of Escarbagnas by Moliere
... of one's heart, lest, for want of rivals, his love go to sleep through over-confidence. JU. I confess, Madam, that no one can help profiting wonderfully by all you say. Your conversation ... and consideration which you look for. One is not under the obligation of rising from one's seat, and if one wants to see a review or the great ballet of Psyche, your wishes are at once...
Ngày tải lên: 06/11/2012, 14:13
PHÂN TÍCH DAO ĐỘNG HỆ TRỤC CHÍNH TÀU THỦY BẰNG PHƯƠNG PHÁP PHẦN TỬ HỮU HẠN * VIBRATION ANALYSIS OF PROPULSION SYSTEM OF SHIP BY FINITE ELEMENT METHOD
... vibration of propulsion system of ship. It includes three type of vibration as longitudinal vibration, tranversal vibration and torsional vibration. Among of them, torsional vibration is considered ... The result of this paper verifies this method with the ship of 350HP. Keywords: vibration of propulsion system of ship, ship vibration * Nghiên ... Mechanical Vibrations, Wile...
Ngày tải lên: 09/04/2013, 12:58