pbq

  • pbq
  • abbr.

    parabenzoquinone 对苯醌;

纠错 数据更新时间:2024-12-23 00:06:08
1、

The visible absorption spectra of p-benzoquinone ( PBQ) in CS_2 were measured, and a weak absorption band around 507 nm attributed to n-π~ singlet-triplet transition was demonstrated.

测量了对苯醌(p-benzoquinone,PBQ)在CS2中的可见吸收光谱,论证了该实验中发现的507nm带来源于PBQ的n-π单-三态跃迁。

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2、

The CIDEP spectrum of p-benzosemiquinone/ ethylene glycol ( PBQ/ EG) system has been obtained experimentally with the time-resolved ESR spectrometer by using 285 nm laser photolysis.

在285nm紫外激光辐照下,用时间分辨电子自旋共振(TRESR)波谱仪研究了对苯醌/乙二醇(PBQ/EG)体系,得到了发射的苯半醌中性自由基PBQH.和乙二醇碳自由基R。

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3、

Based on the radiation protection monitoring, the radiation protection of a 2.8 PBq 60 Co irradiation equipment run about ten years are summarized and assessed.

从辐射防护角度,对一座2.8PBq60Co辐照装置运行近10年的辐射安全进行总结与评价。

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4、

The radiochemical purity of radioiodinated 7 α-O-IA-DPN is more than 95%, and still greater than 90% kept for 24 h at room temperature. Radiochemical yields is 81%~ 90%, and specific radioactivity is 83.25 PBq/ mol.

研制结果为:碘标记的7αO IA DPN放化纯度大于95%,标记率为81%~90%,比活度高达83.25PBq/mol,室温下放置24h,放化纯度仍大于90%。

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5、

Because of the several resonance frequencies of multi-frequency antenna far from each other, we should guarantee enough bandwidth of PBQ which should cover all the frequencies.

由于多频带天线具有多个谐振点,并分布相差较远,光子晶体设计的关键问题之一是需要保证禁带带宽,使得能够覆盖多个谐振点,实现光子晶体结构对各个谐振频率点的优化作用。

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