Taking aft-end igniter design for a rocket motor for example,design methods for ignition sequence,amorce quantity estimation and nozzle closure were described respectively.
Cytogenetic techniques as a measurement method of radiation biodosimetry were widely used and validated in evaluation of ionizing radiation biodosimetry, especially in acute radiation exposure.
The Air Kerma Rate of 125I sources is determined by the well-type ionization chamber.Thereafter the apparent activity of 125I sources is calculated and measured results are anylyzed.
This paper analyzes the remote sensing images data of Tanggu saltpan by the methods of pattern recognition,and classifies the water resources in Tanggu saltpan using supervised classification.
The features of coal-water slurry and heat coal gas,and its process,invest and budget,profit and technology feasibility by the two kinds of fuel instead of masout were introduced.