Zeolite β was aluminated with aqueous solution of NaAlO2. The product was characterized by means of XRD, FTIR techniques. After alumination, the Si/Al ratio of zeolite β is greatly decreased (from 15.2 to 3-4), and the crystallinity is retained mostly. Alumination is favoured by increasing the amount of added NaAlO2 and temperature, a proper high pH condition is also favourable. However, too high alkalinity leads to the destruction of the framework.

The transition metal complexes with phosphido bridge have been widely used in synthesis of organometallic compounds. The NMR 31P chemical shift is useful in structure elucidation. The value of 31P shift often used as a structural probe for the presence or absence of metal-metal bond. In this paper, the 31P shift of the series of compound [(CO)4M(μ-PMe2)]2, M=V, Cr, Mn have been calculated. The correlation of 31P shift with metal-metal bond has been studied.
In this paper "Magnetic nuclei molecular orbit group approximation for calculation of NMR chemical shift" has been proposed.

 The 6H-pyridine clusters have been studied by the TOF mass spectrometry, the VUV from synchrotron radiation and the molecular beam technique. Three-type clusters are observed in the VUV photoionization mass spectroscopy: Pn+(n=2-5,P stands for 6H-pyridine molecule), PnH+ (n=2-4) and Pn (H2O)m+(n=4,5, m=1;n=6, m=1,2). The PnH+ clusters may have the chain structures, the Pn+ and Pn(H2O)m+ clusters may have the cyclic structures, all of these are formed by the hydrogen-bond.

od-quality surface enhanced Raman spectra have been obtained from various roughened Pt electrodes using a confocal Raman measuring system. A new equation is presented to estimate the enhancement factor G for the electrodispersed and platinized Pt electrodes in a pyridine+NaClO4 solution. It is shown that the platinum electrodes under ing the special roughening procedures exhibit a weak SERS effect with an enhancement factor of 10 to 1.2×102, depending on the surface pretreament.

CO hydrogenation was studied over zirconia catalysts. The catalysts, which were classed into three types of samples-the fresh, used and specially treated catalysts, were characterized by means of EPR spectroscopy. A strong signal at g⊥=1 .976 and g||=1.961, which was assigned to Zr3+ ion on the surface of ZrO2, was observed for the fresh catalysts. In contrast, unique strong and sharp signal at g=2.0024, which was assigned to dissociated H atom, also was observed for the used catalysts. Further verification of the assignments was carried out by EPR characterization of the specially treated catalysts. These results show that Zr3+ ion might involve in CO hydrogenation. Quantitative studies reveal that there is a close linear relation between Zr3+ ion and the selectivity to isobutene for the reaction over ZrO2. Finally, a possible mechanism of the catalytic reaction via a surface species Zr(Ⅲ)(CO)2 was proposed.

Crystalline, semicrystalline and amorphous catalyst supports ZGDMP (zirconium glycine-N•N-dimethylphosphonate) and their corresponding c-ZGDMP-Pd, s-ZGDMP-Pd, a-ZGDMP-Pd catalysts were prepared and characterized by IR、 XRD、XPS for the first time. The catalytic activity of these Pd catalysts for hydrogenation under atmospheric pressure were also studied. It was discovered that the activity of a-ZGDMP-Pd is 3.1 times as high that of c-ZGDMP-Pd catalyst and 1.9 times as that of s-ZGDMP-Pd for hydrogenation. The lower catalytic activity of c-ZGDMP-Pd and s-ZGDMP-Pd is due to no changes of the interlayer distance between the support and the corresponding Pd catalysts, Pd under es complexation only on the surface of the support in the catalysts, the glycine groups in the inner layers of the support have no contribution to the complexation and catalytic effects.

TPD-MS technique has been used to characterize the H2 and NO adsorption properties of γ-Mo2N. Three cate ries of adsorbed H2 can be well distinguished when H2 was adsorbed at 673K. Mo coordinatively unsaturated sites (cus), on which NO can be adsorbed, can be produced by either reducing or evacuating the passivated Mo2N at elevated temperature. A comparison of NO adsorbed on evacuated, reduced and H2 preadsorbed Mo2N revealed that there were three cate ries of active sites on reduced Mo2N surface that adsorbed No: low, medium and high energy sites on which NO was desorbed with peak maxima at 383, 493 and 543K respectively. NO can be adsorbed in both a dissociative and a dimer or dinitrosyl state. The results of NO adsorbed on H2 preadsorbed Mo2N showed that NO can only be adsorbed on low and medium energy sites when hydrogen preadsorbed at 673K. NO cannot displace the most strongly adsorbed hydrogen. It is also suggested that NO can form some stable complexes with the adsorbed hydrogen. The complexes can only be desorbed at temperatures at which hydrogen can be desorbed, and the desorbed complexes decompose to N2, H2O and H2.

Usually the thermally stimulated current (TSC) is a result of measurement for rising temperature at constant rate. To give an explanation of this result, two TSC equations are assumed. If TSC is measured at stepped increasing temperature, there is no need of any equation to use as assumption. The experimental results of two methods for polypropylene are compared. It shows that the usual TSC equations are not correct for TSC measurement; although these equatons are correct in thermal equilibrium state of crystal, but they can not be used for polymer particularly in non-equilibrium state.

The deposits on anode and cathode in electrocrystallization of Ba-K-Bi-O superconductor from molten salts were characterized by using XPS and XRD. The morphology of resulting Ba-K-Bi-O crystals was analyzed by using SEM. The results show that the deposit on anode is superconducting Ba-K-Bi-O single crystals which grow as steps on the crystal faces. The deposit on cathode is controlled by the melt composition: the deposit is metallic Bi when the water content of KOH is relatively high; the deposit is Bi2O3 when the water content is relatively low and the melt contains NO3-; the deposit is metallic Zn when ZnO is added into the melt. The mechanism of electrocrystallization of Ba-K-Bi-O superconductor is discussed. We suggest that Bi ions in the melt may form complex ions with OH- ions, the latter migrate to the anode due to the action of convection, diffusion and electric migration. The formation of Ba-K-Bi-O and incorporation of Ba into the crystals may be related to highly oxidized species (e.g. O1-type oxygen)formed at the anode in the strong alkali melt.

The rehydration of several α-Al2O3 has been investigated by means of XRD, DTA, TG and nitrogen adsorption methods. It is found that all α-Al2O3 samples are capable of rehydration at 250℃ and under saturated pressure. The rehydrated products depend on starting α-Al2O3. α-Al2O3 dehydrated at above 1000℃ rehydrates to boehmite; α-Al2O3 derived from diaspore at low temperatures rehydrates to diaspore. The quantitative analysis of the rehydration of α-Al2O3 has been studied.

Reiss and Pitzer's theory on the melt of simple organic salt has been analysed and complemented. Based on the dynamic and thermodynamic melting model of ionic salts, the factors which determine the melting points of simple ionic salts are proposed, they are the retiprocal of the sum of cationic radius and anionic radius ,the ratio of the radii of cation and anion and ionic non-spherical parameter. The melting points of alkali halide melts, alkali-earth halide melts and alkali salts including non-spherical anion have been investigated by artificial neural network, with od result.

Endohedral metallofullerenes Er@ C2n were synthesized using the carbonarc discharge method of activating the Er2O3- containing graphite anode in situ and bask-burning technique. A toluene soxhlet and pyridine high-temperature high-pressure extraction technique were employed for the effective extraction of Er@ C2n. The formation of Er@ C2n was confirmed by LD-TOF and DEIMS characterization.

•OH radical induced oxidation of methionine and N-phosphoryl methionine in aqueous solutions has been investigated using optical pulse radiolytical technique, the influence of N-phosphoryl group on the radiolytical processes of methionine has been explained by molecular structure and the rate constants of oxidation of N-phosphoryl methionine (NDM) by the •OH radicals at different pH values have been determined. This research result suggests that the phosphonate ester has a coordinating effect on the radioprotection of methionine to the biological systems.

Anodic oxidation of Mn2+ and Ag+ ions and anodic oxidation of Mn2+ ion on platinum electrode in H2SO4 solution catalyzed by Ag+ ion are studied by using RRDE and triangle voltammetry techniques. Mn2+ ion is oxidized on the anode surface with adsorped OH group to form a certain compound containing Mn3+, which causes Mn2+difficult to be oxidized directly on anode. Near the potential of oxygen evolution from H2O decomposition, Ag+ ion is oxidized to form Ag2+ ion. This is the main reaction on anode because of its reversability. At higher potential silver oxide is formed on the anode. The oxide catalyzes the decomposition of H2O strongly. The anodic oxidation of Mn2+ion catalyzed by Ag+ takes place and Ag2+ ion and silver oxide are no longer the product of Ag+ anodic oxidation when Mn2+ exists in solution at the potential for Ag+ anodic oxidation. It is confirmed that the catalysis reaction is homogeneous and very fast.