in library, the contaminations can be divided into four parts: i. e. chemical contamination, physical contamination, biological contamination and radioactive contamination.
前言:图书馆内污染物按性质分为化学性污染物、物理性污染物、生物性污染物和放射性污染物。
objective to study the compartment environmental quality of ambulance against biological contamination for safe and comfortable transportation and treatment of patients.
目的:研究防生物污染伤病员急救车的车厢环境质量,实现安全、舒适运送、急救伤病员。
this dissertation focuses on the protection technology against biological contamination and the vibration absorption optimization of stretcher-support for the emergency ambulance.
本文对急救车生物污染防护技术与担架支架减振性能进行了系统研究。
factory has systems and procedures in place to control the risk of physical, chemical, and biological contamination that may damage the product and personnel as well.