The bone minearl density(BMD) determination is performed for 210 selected Shanghai residents of both sexes across the age range 15-50 using Hologic QDR-2000 dua
Using collection film technique combined with Auger electron spectroscopy is analysis,the preferential sputtering of the ternary alloy Cu76Ni15Sn9 bombarded wit
The solvent extraction of U(VI) and Th(IV) from nitric acid medium by N,N,N',N'-tetrabutylsuccinylamide(TBSA) in a diluent composed of 0.5 volume fracti
In plasma emission spectra produced by pulsed laser ablation of Si target in air under the assumption of local thermodynamic equilibrium(LTE),the electron tempe
The monitor is composed of a pair of electrodes,a single stage of microchannel plate,a phosphor screen,a CCD camera and a PC computer,To obtain a good uniform c
For labelling spermatid DNA,male BALB/c mice are injected intratesticularyly with 3H-TdR in advance.After 36d of labelling,spermatozoa are sampled which is just
A theoretical model for the expansion of a plasma with three and multiple electron temperatures is developed .The three and multiple peak structures exhibited i