This paper assesses grades of different geologic hazards in Chongqing. According to practical situation, the hazard index can be calculated through hazard frequency and hazard severity.
本文以重庆市为例，对九大城区各种地质灾害进行分级评价，根据本地区实际情况，得到灾害发生的频率和严重度，从而计算出灾害指数。
The degree of risk depends on the severity of the hazard and the degree of exposure.
风险的程度取决于危害的严重性和暴露程度。
Does this step involve a hazard of sufficient risk severity to control it?
此步是否涉及控制一个高风险度危害？
Evaluations are conducted on the possibility of major hazard source accidents, severity, inherent risk and risk grade and the practical calculations are also conducted.
对重大危险源事故易发性、事故严重度、固有危险性及危险等级进行了评价，并进行了实例计算。
The blood and urine lead level were determined from 72 workers exposed to different porcelain dust. Symptom scoring method was used to evaluate the severity of the hazard to workers.
本文测定了瓷尘作业环境及72名工人血、尿的铅量，并用症状评分法评价其对工人的危害。
The blood and urine lead level were determined from 72 workers exposed to different porcelain dust. Symptom scoring method was used to evaluate the severity of the hazard to workers.
本文测定了瓷尘作业环境及72名工人血、尿的铅量，并用症状评分法评价其对工人的危害。
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