| 发明名称 |
Method and apparatus for measuring material properties related to radiation attenuation |
| 摘要 |
At least one radioactive source emitting at least two types of radiation is used with two detectors to measure properties of a material which are related to radiation attenuation by that material.
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| 申请公布号 |
US4182954(A) |
申请公布日期 |
1980.01.08 |
| 申请号 |
US19780898554 |
申请日期 |
1978.04.21 |
| 申请人 |
PHILLIPS PETROLEUM |
发明人 |
GILES, RICHARD F |
| 分类号 |
G01Q60/22;G01N23/02;(IPC1-7):G01N23/00 |
主分类号 |
G01Q60/22 |
| 代理机构 |
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| 主权项 |
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| 地址 |
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