铀

EDTA-diaminodibenzo-18-crown-6 (cis- and trans-) condensation polymer is a new compound of crown ether derivatives of EDTA.

本文报道了一种新的EDTA-二氨基二苯并-18-冠-6缩聚物顺、反异构体对铀和铀在盐酸介质中的吸附行为。

Deuterium containing helium absorption of unsaturated uranium deuteride with different composition at varied initial pressure is studied.

研究了不同含氦量的混合气体、吸氘初始压力以及不同组成的不饱和氘化铀对铀吸氘行为的影响。

Results show that deuterium absorption quantity and velocity decrease with helium content increase.

研究了不同含氦量的混合气体、吸氘初始压力以及不同组成的不饱和氘化铀对铀吸氘行为的影响。

The isotope of uranium with mass number235,fissionable with slow neutron s.

锕铀铀的同位素，原子质量数为235，与慢中子发生裂变

Uranium and fluorspar miners are exposed at ery high leels to the inert gas, radon, that is a byproduct or uranium decay.

铀和氟矿在例如其副产品或铀衰退后产生的氡之类的稀有气体中的辐射程度非常之高。

Mineralogy of francolite and relations between francolite and precipitation of uranium minerals.3 The role of reducing gases in uranium metallogenesis.4 Relations between mantle fluids and mineralizing solution.5 Experimental studies on uranium metallogenesis.

水云母在铀成矿作用过程中起了富集铀的作用，相山矿田范围内蒙脱石向伊利石的演化过程是一个动态的平衡过程且这一演化主体停留在I/S混层矿物阶段的事实很好地解释了相山矿田中铀矿床类型以群脉型矿床为主的特征。

Based on theoretical calculation and in-situ test results,distribution and emissions of radioactive nuclides of uranium tailings impoundment and waste rock pile sites are analyzed in this paper.

本文从理论计算和现场实测入手，分析了铀尾矿废石场放射性核素的分布、排放量，指出氡是铀尾矿废石场中的主要核素，是公众剂量的主要贡献者。

It indicates that TBOPDA has better hydrolysis stability. At 50 ℃,when the acidity is 1 mol/L HNO_3, the effects of hydrolysis on distribution ratio are unchanged, when the acidity is 5 mol/L, the changes of distribution ratio are about 37%.

研究结果表明，该萃取剂在水溶液中具有较高的稳定性，当酸度为1mol/L，温度达到50℃时，铀的萃取性能没有变化；当酸度提高到5mol/L时，50℃条件下，铀的萃取分配比下降约37%。

Utilities have been somewhat lackadaisical about uranium pricing because they've been getting Russian uranium on the cheap.

美国的公用事业已经有点lackadaisical约铀价格，因为他们已经得到俄罗斯的铀就便宜。

SINTERING ACTION OF COAL ASH AND RESULTANT LOCK-UP OF URANIUM

含铀煤灰的烧结及其对铀的包裹

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。