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half-life time

  • 半衰期:指某种物质衰减到原来一半所需的时间,通常用于描述放射性物质的衰减速度。

网络释义专业释义

  [核] 半衰期

半衰期(half-life time):物质能V衰减一半所需要的时间((tm).老化(the aged):指改变沮度引起物质能址的衰减。

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  半减量时间

...度法;半减量时间 [gap=703]ds:nano zinc oxide;durability;antibacterial;atomic absorption spectrophotometry;half-life time ...

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短语

half life time 半衰期

elimination half-life time 消除半衰期

E half-life time 半衰期

bio-half life time 生物半衰期

plasma half-life time 血浆半衰期

plasmic half life time 血浆半衰期

effective half-life time 有效半衰期

adsorption half life time 吸收半衰期

biological half-life time 生物半衰期

 更多收起网络短语
  • 半衰期 - 引用次数:5

    Slow soil degradations in Jiangxi red soil,northeast black soil and Taihu paddy soil at 25 ℃ with the half-life time of 86.6,53.3,and 20.2 days were observed respectively. It was more easily degradated in Taihu paddy soil than the others.

    常温(25℃)下,2,4-D在江西红壤和东北黑土中的降解半衰期分别为86.6和53.3 d,易于土壤降解;而在太湖水稻土中的降解半衰期为20.2 d,易于土壤快速降解。

    参考来源 - 2
  • 半寿期 - 引用次数:1

    参考来源 - 简单级数反应的半寿期法 HALF
  • 半衰期
    半生期

·2,447,543篇论文数据,部分数据来源于NoteExpress

双语例句原声例句权威例句

  • Sparfloxacin is a new fluroqui nolones which has a long half-life time, perfect tissue penetration, broad spectrum.

    司帕沙星消除半衰期组织渗透力强,抗菌广的新型喹诺酮类抗菌药物。

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  • Though he'd spent half his life with Pam, he never really took the time to know her.

    虽然人生一半一起度过的,他从没有真的时间了解

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  • They watched our investment bankers and emulated them: for a long time now half the planet's college graduates seemed to want nothing more out of life than a job on Wall Street.

    很多观察着我们投资银行努力成为其一员:长的一段时间内这个星球上半数大学毕业人生愿望除了进入华尔街外再其他

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  • The introduction of Sylvan Ebanks-Blake and Kightly at half-time breathed new life into the home side as rain began to fall in the Black Country.

    BBC: Wolves 0-1 Portsmouth

  • Bradford, who had Sam Burgess sin-binned after 32 minutes, finally came to life after half-time.

    BBC: Bradford 24-10 Wakefield

  • Its half-life the time taken for half the radioactive atoms in a sample to decay is 109 minutes, compared with two minutes for oxygen-15, ten minutes for nitrogen-13 and 20 minutes for carbon-11.

    ECONOMIST: Case history: The power of positrons | The

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