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1)  airborne plutonium
气飘钚尘
2)  airborne plutonium
气飘钚
3)  airborne particulate
大气飘尘
1.
By optimizing extracting method,heating procedure,chromatographic temperature,19 polycyclic aromatic hydrocarbons in airborne particulate are detected by gas chromatography/mass spectrometry(GC/MS) with quickness and good sensitiveness.
通过提取方法、升温程序、色谱分离温度、载气流速等的优化,气/质(GC/MS)联用测定大气飘尘所含19种多环芳烃,快速、灵敏,检测限可达到0。
2.
In this work, samples of airborne particulates,vent gas and smog dust during heating and non-heating seasons were collected in the urban and suburban areas of Lanzhou.
本文收集了兰州市区和郊区在取暖期和非取暖期的大气飘尘样品和汽车尾气及烟尘样品。
4)  airborne particulates
大气飘尘
1.
A rapid and effective method for detecting benzo(a) pyrene in airborne particulates was developed, in which benzo (a) pyrene was extracted in an one minute step with concentrated sulfuric acid from a cyclohexane extracted solution from the airborne particulates, and then determined with a synchronous fluorescent speetrometry.
提出用浓H2SO4从大气飘尘样品的环己烧提取液中一次萃取后,用同步荧光光谱测定苯并(a)芘的方法。
5)  airborne plutonium
大气中钚(尘)
6)  air-borne plutonium
大气中钚[尘]
补充资料:铀(IV)还原钚(IV)为钚(III)
分子式:
CAS号:

性质:by U(IV)铀(IV)是一种钚(IV)的很好的还原剂,已广泛应用于后处理工业,特别是共去污循环。其反应式为   反应速率比亚铁还原钚(IV)稍慢,但反应完全。当铀(IV)用作还原剂时,需要加入支持还原剂破坏亚硝酸,以防止U4+被亚硝酸氧化。常用的支持还原剂是肼。为了保证钚还原完全,加入的铀(IV)量应使铀(IV)/钚(III)比值在3~8之间,还原剂中硝酸浓度为0.5~2mol/L,硝酸肼浓度为0.1~0.2mol/L。

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