| 查看: 3303 | 回复: 8 | ||
| 当前只显示满足指定条件的回帖，点击这里查看本话题的所有回帖 | ||
[求助]
cpm是神马单位？ 已有3人参与
|
||
| The confluent cells were incubated in serum-free medium for 30 min followed by the addition of 50,000-100,000 cpmcpm of 125I-labeled human growth hormone (hGH） |
回复此楼» 猜你喜欢
312求调剂
已经有12人回复
-
生物学学硕，一志愿湖南大学，初试成绩338
已经有3人回复
-
学硕274求调剂
已经有3人回复
-
279求调剂
已经有6人回复
-
085701环境工程，267求调剂
已经有3人回复
-
中国科学院深圳先进技术研究院-光纤传感课题组招生-中国科学院大学、深圳理工大学联培
已经有5人回复
-
274求调剂
已经有20人回复
-
265求调剂
已经有16人回复
-
材料与化工304求B区调剂
已经有6人回复
-
321求调剂
已经有5人回复
» 本主题相关价值贴推荐，对您同样有帮助:
7楼2014-03-18 21:22:09
2楼2014-02-27 17:55:01
3楼2014-02-27 18:29:18
wizardfan
至尊木虫 (著名写手)
- BioEPI: 18
- 应助: 599 (博士)
- 贵宾: 1.818
- 金币: 24632.2
- 散金: 197
- 红花: 48
- 沙发: 2
- 帖子: 2254
- 在线: 400.7小时
- 虫号: 1879241
- 注册: 2012-07-05
- 性别: GG
- 专业: 生物信息学
【答案】应助回帖
感谢参与，应助指数 +1
|
和放射有关的就是counts per minute The measurement of ionizing radiation is sometimes expressed as being a rate of counts per unit time registered by a radiation monitoring instrument, of which counts per minute and counts per second are commonly used. This measurement is only of the rate of events registered by the measuring instrument, not the rate of events at the point of original emission. For radioactive decay measurements it must not be confused with disintegrations per unit time (dpm), which represents the rate of atomic disintegration events at the source of the radiation. Count rates are normally associated with the measurements of particles, such as alpha particles and beta particles. For gamma ray and X-ray dose measurements a unit such as the Sievert is normally used |
4楼2014-02-28 06:23:45
20