cyclopropanation epoxidation and aziridination of alkenes cu rh mn ti

... step of the overall reaction.The hydroxy ligand facilitates the dissociation of and this leads to a slow catalysis of ethene polymerization Cationic Pd- and neutral Ni-complexes of chelating ... monomer and the products to cause substantial metal leaching [17] Dimerization, oligomerization and polymerization of alkenes and alkynes 243 Telomerization of butadiene with ammonia is of great ... distribution and blocked the concanavalin A binding sites before it could induce cell agglutination Dimerization, oligomerization and polymerization of alkenes and alkynes 7.4 247 Alkyne reactions...

Ngày tải lên: 23/12/2013, 07:19

... soils and four application rates of biosolids (including unamended controls) Linear and quadratic contrasts were calculated for the four application rates of biosolids and for the interaction ... concentrations in the three sequential fractions were compared with biosolids application rate by linear regression and correlation and all of the correlation coefficients (except HOAc Cu in Taihu ... more appropriate for the estimation of short and medium term metal risks (Tack and Verloo, 1996) However, the use of single extraction in the study of the distribution of heavy metals in biosolids-amended...

Ngày tải lên: 15/03/2014, 23:22

... diameter, Fig 6(a–f)) The SEM, TEM, and SAED images of the nanosheet TiO2 calcined at 600 and 700 °C showed almost nanoparticles with a mixture of anatase and rutile TiO2 structure (about 10–50 nm ... peaks corresponding to rutile TiO2 appeared at 600 °C and almost showed rutile TiO2 structure at 700 °C Fig 6(a–j) shows the SEM, TEM, and SAED images of the nanosheet TiO2 calcined for h at 300–700 ... X-ray diffraction pattern of the as-synthesized nanosheet TiO2, and nanosheet TiO2 calcined for h at 300–700 °C The nanosheet TiO2 calcined for h at 300–500 °C consisted of anatase TiO2 structure...

Ngày tải lên: 20/03/2014, 13:06

... pair of Ti4 + along the [001] direction With this definition, deposition of 7.8 nmÀ2 of WO3 corresponds to ML of trimers Although each trimer centered on Ti4 + rows occupies a welldefined local position ... correlation of WNVV/TiLMM AES ratio and W4f intensity with amount of deposited WO3, the latter is plotted in units of WO3 nmÀ2 based QCM measurement of mass added Fig TPD of N2 dosed to saturation ... TiO2 substrate photoelectrons, the O1s/W4f XPS intensity ratios, after accounting for relative sensitivities, give an O/W atomic ratio of (not shown) Based on X-ray diffraction (XRD) examination...

Ngày tải lên: 20/03/2014, 13:06

... Metabolomic investigation of PPARδ and PPARg activation in white adipose tissue from ob/ob mice (a) Chromatogram of GCMS analysis of the total fatty acid content of white adipose tissue from an ... stimulation of PPARδ increased the mobilization of TAGs, and PPARg stimulation increased the sequestration of TAGs These metabolic changes demonstrate that while both agonists induced the activity ... A combination of both NMR spectroscopy and GCMS analysis of aqueous metabolites readily distinguished the action of the two PPAR receptors PPARδ activation increased the concentration of the peroxisomal...

Ngày tải lên: 09/08/2014, 23:20

... retrospective patient pool had a larger proportion of operative cardiovascular patients, and the SPRINT patient pool had a larger proportion of gastrointestinal patients Changes in the economics of ... several iterations ofmortality and in-hospital mortalitydetailed inSpecialised Relative Insulin Nutrition Tables (SPRINT) and retrospective patients for several iterations of the patient selection procedure ... used for statistical comparisons, and for all statistical tests, P values of less than 0.05 were considered significant Log-normal statistics were used to provide an accurate description of blood...

Ngày tải lên: 13/08/2014, 10:20

... arranged in the direction of functional need and act in conjunction with elastic and reticular fibers along with ground substance, which is a matrix of glycosaminoglycans (GAG) and tissue fluid, to ... its stability during pivoting activity and causes further destruction of the articular surface and cause tearing in the meniscal cartilage over time and even osteoarthritis [18] The ACL has poor ... successfully used for cultivation of suspension cells because the stirring of the culture medium allows 27 homogeneous distribution of fresh nutrients and gases while eliminating temperature and pH variance...

Ngày tải lên: 04/10/2015, 10:25

... however, fusion of particles also occurs A detailed investigation of the shape of the grown nanoparticles is also presented and the factors influencing the morphology are discussed Material and methods ... maximum (FWHM) of the X-ray diffraction peaks as a function of the length of the diffraction vector (g) for Au nanoparticles after one year of storage b) The fitting of the X-ray diffraction pattern ... nanoparticles The Full Width at Half Maximum (FWHM) of the X-ray diffraction peaks as a function of the length of the diffraction vector (g ¼ 2sinq/l, where q and l are the diffraction angle and...

Ngày tải lên: 16/12/2017, 17:40

... Glow curves of a) LiF:Mg ,Ti, b) LiF:Mg ,Cu, P and c) LiF:Mg ,Cu, Na,Si powders Fig Glow curves of LiF(0.6 mol% Mg, 0.6 mol% Cu, 1.8 mol% NaSi) TL powder annealed in N2 gas flow with a rate of l/min ... dosimetric properties of the powder were studied In the TL glow curve of LiF:Mg ,Cu, Na,Si powder the main dosimetric peak appeared in the range of 227-247 o C and the ratio of the height of the main ... replacing those of the host lattice have bigger atomic radii than that of the host lattice atoms Figure shows the TL glow curves of the LiF powders with the optimum concentration of dopants: LiF...

Ngày tải lên: 13/02/2014, 04:20

... proportion of residual Pb increased with soil P content The formation of Fe and Mn phosphates, which reduced the absorption and combination of Fe– Mn oxide with Pb, resulted in an inverse correlation ... concentrations of heavy metals and the sum of the individual fractions There is a good correlation between the sums of the heavy metal fractions and the total concentrations The coefficients for Cu, ... period of time under natural conditions (Tessier et al.,1979) The amounts of non-residual fractions represent the amounts of active heavy metals (Xu and Yang, 1995) The non-residual fractions of Cu, ...

Ngày tải lên: 15/03/2014, 23:22

... concentration of Cu (0÷5.10-4 mol%), Mn (0÷1.2.10-2 mol%), the position of peaks and lattice constants of bulk samples of ZnS :Mn and ZnS :Cu almost not change Fig.1c shows XRD pattern of ZnO:Co ... images of bulk samples of ZnS :Mn (a), ZnS :Cu (b) and ZnO:Co (c) and nanocrystalline sample ZnS :Mn (d) In general, distribution of particles is quite properly For bulk samples of ZnS :Mn, ZnS:Co and ... intensity of the green band decreases Because at high concentration of Cu, it is possible that interaction between Cu2 + ions and ions of the lattice and between Cu2 + each other make the intensity of...

Ngày tải lên: 22/03/2014, 11:20

... for patient 3, and 17 for patient 4, and estimated hazard ratios using the stratified proportional hazards model The survival time from the onset of hepatic encephalopathy or disease in patients ... before rh- HGF administration (day of rh- HGF dosing); on day of the rh- HGF dosing period; and one, seven and 14 days after the protocol therapy (days 1, and 14 of the observation period, respectively) ... Although patients and 3, but not 4, also exhibited BP reduction during rh- HGF infusion, their general condition was stable without additional infusion or cessation of rh- HGF Of particular importance,...

Ngày tải lên: 18/06/2014, 19:20

... conductivity of Cu, CuO, and MWNT nanofluids as a function of the volume fraction (a) The normalized thermal conductivity of CuO-ethylene glycol nanofluids as a function of volume fraction; (b) ... increase of volume fraction of CuO and MWNT The thermal conductivity ratio improvement for CuO nanofluid is approximately linear with the nanoparticle volume fraction (Figure 4a) For CuO nanoparticle ... conductivity of MWNT-ethylene glycol nanofluids as a function of volume fraction; (c) the normalized thermal conductivity of MWNT-synthetic engine oil nanofluids as a function of volume fraction;...

Ngày tải lên: 21/06/2014, 04:20

... quantities of O through the activity of oxidant-generating systems [25] High levels of SOD1 activity were detected in cartilage and connective tissues [9], and a low molecular weight mimetic of ... strong SOD1 immunoreactivity was observed in sites of active differentiation and proliferation, such as chondrocytes of osteogenic tissues, hematopoietic cells of the liver, and circulatory blood cells ... immunoreactivity was particularly strong in metabolically active sites and in protective tissues, such as the skin and lung, at late gestation Uteroplacental circulation is established after implantation...

Ngày tải lên: 07/08/2014, 20:23

... Pd‐ (Cu,  Ni)‐Si  (Pd, Pt)‐Ni‐P  Pd–Ni–P  La‐Al‐Ni  Mg Cu Y  Zr Ti Cu Ni‐Be  Zr‐Al‐Ni Cu Ti Zr Cu Ni  Fe‐Al‐Ga‐P‐B‐C  Pd Cu Ni‐P  Nd‐Al‐(Fe, Co)  Ti Ni Cu Sn  Ni‐Nb‐(Cr, Mo)‐P‐B  Cu (Zr, Hf) Ti ... volume  fraction  of ZrCu  martensite.  A‐  Zr48. 5Cu5 1.5  and B‐  Zr5 1Cu4 9  alloy  with  fully  amorphous  structure;  C‐  Zr49. 5Cu5 0.5  alloy  with  40%  of ZrCu  martensite,  and D‐  Zr4 9Cu5 1 alloy with 77% of ZrCu martensite in the amorphous matrix ... Table 1. 2 Possible application fields for BMGs .5 Table 2. 1 Mechanical properties of Zr48. 5Cu5 1.5, Zr5 1Cu4 9, Zr49. 5Cu5 0.5, and Zr4 9Cu5 1  as‐cast  alloys,  with  various  volume  fraction  of ZrCu  martensite ...

Ngày tải lên: 14/09/2015, 14:11

... characterization of Cu- BTC and adsorption of gases on this material The relevant literature on adsorption equilibrium and kinetics, and the potential of Cu- BTC in gas separation application are also discussed ... in the proportion of reagents, mixing of the organic and inorganic solutions before the reaction, duration and temperature of the reaction, and solvents used Besides synthesis, most of the experimental ... (BPDC) and 1,4-benzenedicarboxylate (BDC) produce some MOFs with high surface area, porosity and pore volume (UMCM-2, MOF-177, MOF-180, MOF-200, MOF-205, MOF-210 and MOF-5 respectively) In addition...

Ngày tải lên: 15/09/2015, 21:13

... photograph of (a) ZnCr2O4 spinel particle and (b) Zn0, 5Cu0 ,5Al2O4 spinel FIG 6: TEM photograph of (a) ZnCr2 O4 spinel particle and (b) Zn0.5 Cu0 .5 Al2 O4 spinel particle Conversion selectivety % ... pattern of ZnAl2 O4 particle sample Ñcalcinated at 600◦ C for h Symbols (•) and (▽) represent ZnAl2 O4 and Al2 O3 , respective patterns of two TABLE I: Variation of ethylbenzene conversion (%) and ... spinel ZnCr2 O4 and (b) of spinel Zn0.5 Cu0 .5 Al2 O4 are presented in the fig TABLE III: Variation of ethylbenzene conversion (%) and selectivity in styrene (%) in the presence of Znx Cu1 −x Ai2 O4...

Ngày tải lên: 12/12/2017, 06:47

... Science and Director of the National Key Laboratory of Electronic Materials and Devices at the Institute of Materials Science, VAST Currently, he is an Associate Professor of the Institute of Materials ... publications, which focus on the hydrogen-sensing structure of Pt (Pd)/Si diodes, the structural and optical properties of porous silicon, and the fabrication and application of carbon nanotubes ... with that of the individual MWCNT and diamond film The thermal conductivities of Ag, Cu and Al are 419 W/m.K, 380 W/m.K [5,6] and 238 W/m.K [7], respectively However, most of the VA-CNTs and diamond...

Ngày tải lên: 14/12/2017, 16:23

... peak occurring at 559 1C relating to the crystallization of a-Fe(Si) phase and the second one at 702 1C corresponds to the crystallization of boride phase The crystallization evolution of sample ... LV, Jeol The thermomagnetic curves of as-cast ribbons were measured by vibrating sample magnetometer (VSM) DMS 880 Digital Measurement System and the magnetic properties of studied samples were ... Fe73.5Si13.5B9Nb 3Cu0 .5Ag0.5 measured with different heating rates ARTICLE IN PRESS N Chau et al / Journal of Magnetism and Magnetic Materials 303 (2006) e415–e418 with lower melting temperature,...

Ngày tải lên: 16/12/2017, 10:04