Structural parameters of 24 substituted naphthalin compounds were computed at four levels using Hartree-Fock and DFT methods. Based on the experimental data of
Rutile TiO2(001) quantum dots (or nano-marks) in different shapes were used to imitate uncleaved material surfaces or materials with rough surfaces. By numerica
Oleic acid (OA)-modified SiO2 (OA-m-SiO2) nanoparticles were prepared using surface modification method.Infrared spectroscopy (IR) was used to investigate the s
A novel coordination polymer {[Zn(ts-gln)(bipy)]·3H2O}n (ts-glnH2 = N-p-tolysulfonyl-glutamine, bipy = 2,2-bipyridine) has been prepared and structuraily chara
The selection of the configuration and size of an aerator was of importance for a tunnel spillway under the conditions of high speed flows. Experimental investi
On the basis of analyzing the result of numerical simulation and that of theoretical analysis,the sys tematic error of some air spring s theoretical formula is
Ti-45Al-9(V,Nb,Y) alloys with four different x=V/Nb (atomic ratio x = 1,1.5,2 and 3.5) have been prepared,and the microstructures,properties and hot deformation
In vivo experiments of screwing the electrode of canine hearts and assigning external excitation on the lead-myocardium interface was carried out to evaluate th
Cognitive radio and cooperative communication can greatly improve the spectrum efficiency in wireless communications.We study a cognitive radio network where tw