w*m
2 楼
300 mrem a year is ok
I smoke 1/2 pack of cigarettes every day of the year (18 mrem)
X-Ray - Chest 10 mrem
CT Scans - Head 200 mrem
I live in a state that borders the Gulf or Atlantic coasts (16 mrem)
I live in the Colorado Plateau area (63 mrem)
I live elsewhere in the continental U.S. (30 mrem)
I live in a stone, adobe, brick, or concrete building (7 mrem)
I smoke 1/2 pack of cigarettes every day of the year (18 mrem)
X-Ray - Chest 10 mrem
CT Scans - Head 200 mrem
I live in a state that borders the Gulf or Atlantic coasts (16 mrem)
I live in the Colorado Plateau area (63 mrem)
I live elsewhere in the continental U.S. (30 mrem)
I live in a stone, adobe, brick, or concrete building (7 mrem)
h*o
4 楼
你这是说的Ionizing radiation,高压线辐射属于non-ionizing radiation,有多少危
害没有定论。
300 mrem a year是指的美国人平均一年接受的天然ionizing radiation辐射剂量。对
于职业人员,一年接受的辐射剂量上限是50 mSv,大约是5000 mrem。
【在 w*****m 的大作中提到】
: 300 mrem a year is ok
: I smoke 1/2 pack of cigarettes every day of the year (18 mrem)
: X-Ray - Chest 10 mrem
: CT Scans - Head 200 mrem
: I live in a state that borders the Gulf or Atlantic coasts (16 mrem)
: I live in the Colorado Plateau area (63 mrem)
: I live elsewhere in the continental U.S. (30 mrem)
: I live in a stone, adobe, brick, or concrete building (7 mrem)
害没有定论。
300 mrem a year是指的美国人平均一年接受的天然ionizing radiation辐射剂量。对
于职业人员,一年接受的辐射剂量上限是50 mSv,大约是5000 mrem。
【在 w*****m 的大作中提到】
: 300 mrem a year is ok
: I smoke 1/2 pack of cigarettes every day of the year (18 mrem)
: X-Ray - Chest 10 mrem
: CT Scans - Head 200 mrem
: I live in a state that borders the Gulf or Atlantic coasts (16 mrem)
: I live in the Colorado Plateau area (63 mrem)
: I live elsewhere in the continental U.S. (30 mrem)
: I live in a stone, adobe, brick, or concrete building (7 mrem)
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