The large fragment of E.coli DNA polymerase I is imaged by scanning tunneling microscope. The specimen is deposited on highly oriented pyrolytic graphite surfac
A set of equations for investigating transverse instability of a bunch of high current short pulse beam in electron linac is presented, and the result of numeri
Particle induced X- ray emission (PIXE) and Rutherford backscattering spectrometry (RBS) have been used extensively for analytical purpose because of their quan
The concentrations of 30 elements in aerosol particles collected in western Pacific ocean have been determined by INAA. The crustal element concentrations decre
A Mossbauer polarimeter consists of a gamma ray source (polarizer), transmitter (sample to be analyzed), analyzer and automatic counting system. This equipment
An expert system for neutron activation analysis has been designed on personal computer. It is mainly structured by means of the MDBS GURU, and composed of thre