Objective To observe shock injury inflicted by underwater blasts at different ranges on animals placed onboard the ship.Methods In the underwater blast experiment onboard a certain minesweeper,rabbits were used to study the damaging effects of shock inflicted by underwater blasts.Indexes of the internal organs,the skeleton system and blood were detected following underwater blasts.Results Main manifestations of shock injury were dotted or patchy hemorrhages on the surface of the lung organ,and bone fractures in a few animals.Conclusions Experimental results indicated that the animals in working condition one had moderate to severe injury,while the animals in working condition two had severe injury.

Objective To observe shock injury inflicted by underwater blasts at different ranges on animals placed onboard the ship.Methods In the underwater blast experiment onboard a certain minesweeper,rabbits were used to study the damaging effects of shock inflicted by underwater blasts.Indexes of the internal organs,the skeleton system and blood were detected following underwater blasts.Results Main manifestations of shock injury were dotted or patchy hemorrhages on the surface of the lung organ,and bone fractures in a few animals.Conclusions Experimental results indicated that the animals in working condition one had moderate to severe injury,while the animals in working condition two had severe injury.

Objective To investigate the characteristics of interactive effects of magnetic field of two intensities combined with high-temperature and noise simulating ship environment. Methods Orthogonal trial design of three factors and two levels and variance analysis method were employed. The rabbits and rats were grouped into eight combined exposure groups and eight controls, respectively, according to orthogonal table L_8 (2~7). Animals in all groups underwent the experiments and the indices were determined at the same time. Results Analysis of the radius of capillary vessels on rabbit's conjunctiva and HSP70 of rat's liver and spleen showed that magnetic field was the dominant factor (P