Supported nanosized gold catalysi the influence of support morphology and reaction mechanism 5

... 100 80 90 3449.4 80 70 70 50 650 58 8 58 8.2 87 60 60 53 2 600 55 0 50 0 450 400 -1 Wavenumber(cm ) 53 6.2 09 59 % Transmittance 90 50 350 0 3000 250 0 2000 150 0 1000 50 0 -1 Wavenumber(cm ) 160 Absorpsions(a.u.) ... that of the Au/CuO (CB) in the temperature range of 25- 100 oC For Au/CuO (NP), the conversion of CO was ca 50 % at 37oC (T50) and reached 100% at 50 o...

Ngày tải lên: 14/09/2015, 08:27

... which fulfill the Bragg condition 24 n 2d sin where n =1, 2, (2. 3) is the wavelength of the X-ray, d inter-planar spacing of crystal lattice planes, the glancing angle of incidence of the primary ... 0.5 mm in the case of reactor temperature measurement The reactor is positioned at the center of the furnace and the 0.5 mm thermocouple is inserted into the...

Ngày tải lên: 14/09/2015, 08:27

... differently, and the mechanism of one system might not be the same as the other system Even for the same oxide support, preparation method may affect the Au particle sizes, the oxide support morphology and ... from XRF, BET results of four kinds of gold supported iron oxide samples AuCM (Au wt%) AuCH AuDP 3. 1% 3. 9% 3. 0% 3. 4% 10 .3 XRF AuCP 267.5 33 ....

Ngày tải lên: 14/09/2015, 08:27

... Figureure 4. 14 Au 4f XPS spectra of the fresh (a) and spent (b) Au/ TiO (CB) catalysts Figure 4. 14 Au 4f XPS spectra of the fresh (a) and spent (b) Au/TiO2 (CB) Table 4. 5 Comparison of Au 4f XPS ... 102 4. 1(A): 4. 1(B): 4. 1(C): 4. 1(D): 4. 1(E): 4. 1(F): 4. 1(G): 4. 1(H): 4. 1(I): 4. 1(J): 4. 1(K): 4. 1(L): Starting material, commercial TiO2 sample Commerci...

Ngày tải lên: 14/09/2015, 08:27

... oxide – one of the earliest and most investigated support for gold nano particles is chosen as the support Although both experimental and theoretical researches concerning the effect of gold nanoparticle’s ... of a reaction mechanism similar to those proposed by G.C Bond and H.H Kung All these results provide deep insights on the gold catalysis and valuable...

Ngày tải lên: 14/09/2015, 08:27

... in the diameter from nm.50, 51 The smaller the particle, the greater will be the fraction of atoms directly in contact with the support and therefore influenced by it, while at the same time the ... calculation on two reaction paths (with or without the direct participation of TiO 2) on Au10/TiO2 (11 0) shows that the direct involvement of the support can...

Ngày tải lên: 14/09/2015, 08:27

... Investigating the Influence of PFC Transection and Nicotine on Dynamics of AMPA and NMDA Receptors of VTA Dopaminergic Neurons Ting Chen 1*, Die Zhang1*, Andrei Dragomir 1*, ... interrupt the connections between the PFC and the rest of the brain [28] The post-surgical care and drug administration were identical to the PFC intact animal...

Ngày tải lên: 19/06/2014, 08:20

... regulating IVD cell behaviour In this study, we have examined the relative influence of serum, glucose, and oxygen supply, singly or combined, on the growth pattern of bovine IVD cells Since the nutrient ... levels of oxygen and in medium supplemented with 20% FCS and 320 mg/dL glucose Cell proliferation and cell viability Monolayers were harvested by tr...

Ngày tải lên: 09/08/2014, 10:23

... and the ensuing risk of hospitalization Systemic corticosteroid use and recent asthma hospitalization, then, appear to drive the relationship between asthma severity and hospitalization for asthma ... analysis of pulmonary and allergy specialist care, the severity -of- asthma score was associated with an increased risk of hospitalization at 18-month...

Ngày tải lên: 12/08/2014, 18:20

Ngày tải lên: 09/08/2014, 19:22

... in the year The leading issue of the legislative session of the fall of 1821 was the loan office system The expansionists and relief forces were eager to enlarge the scope of the loan office The ... had totaled $300 thousand The major action of the session was stay laws bolstering the credit of the loan office notes As in the case of the stay laws...

Ngày tải lên: 09/08/2014, 19:22

... THE INFLUENCE OF PERCEIVED SUPPORT ON SERVICE PROVIDERS ORGANIZATIONAL CITIZENSHIP BEHAVIOR: A MULTI- FOCAL PERSPECTIVE HU ZHEHUA (B.B .A (XJTU, China), M Mng (XJTU,China )) A THESIS SUBMITTED ... system, and that in the aggregate promotes the effective functioning of the organization (Organ, Podsakoff, & MacKenzie, 2006, p4) 1.1 SOCIAL EXCHANGE, PERCEIV...

Ngày tải lên: 14/09/2015, 14:09

... biomaterials, different combinations of bone grafts and systemic supportive therapy alternatives are important areas of research Hyperbaric oxygen therapy (HBOT) is a mode of medical treatment in which the ... on the healing of bone lesions in different anatomical regions with ischemic perfusion, the current knowledge about its influence on bone graft...

Ngày tải lên: 25/10/2012, 11:15

... is a glycosylated cell surface transmembrane protein expressed on antigen-presenting cells and constitutively expressed on monocytes Expression of HLA-DR by monocytes is essential for the presentation ... post-translational modification of HLA-DR which may be responsible for a lowered cell surface expression of HLA-DR preventing expression to the cell surface and...

Ngày tải lên: 03/11/2012, 09:57