查询词典 caesium

The steam moisture was determined indirectly by determination of caesium concentrations in the recirculated water and feedwater in steam generator by the graphite furnace atomic absorption spectrometry.

石墨炉原子吸收光谱法可以准确测定0.1μg/L至1mg/L浓度的铯，样品中可能存在的一些物质对测定没有干扰。

The distribution coefficients of rubidium and caesium between Cation-42, a phenolic-sulfonated cation exchange resin manufactured in Shanghai, and nitric acid as well as nitric acid-methanol or butanol mixtures have been determined by the equilibrium method.

本文用平衡法测定铷、铯在稀硝酸或稀硝酸-甲醇与华东化工学院阳-42号树脂间的分配系数，比较用硝酸及硝酸-醇作淋洗液分离铷、铯的效果，并确定0.47M硝酸是较好的淋洗液。

Separation of 2 mg Rb from the same amount of Cs has taken place successfully in 0.2NHCl with the help of an exchange column of 0.6cm diameter and 15.5cm length by using 0.25N NH4NO3-0.2NHCl and 3.78N NH4NO3 as an eluant for Rubidium and Caesium under the condition of an exhausting flow of 0.17ml/min.

在0.2NHCi中，使用直径为0.6cm，高15.5cm的交换柱，0.17毫升/分的流速和0.25N NH_4NO_3-0.2NHCl、3.78N NH_4NO_3作为铷和铯的洗脱剂，成功地分离了各为2毫克的铷和铯。

Earthworms can consume 30 times their own body weight each day and the super worms ingest large quantities of potentially toxic metals such as arsenic, lead, zinc and caesium, Dr Hodson told the science festival.

哈德森博士告诉本次科技节，蚯蚓每天能吞下自身重量30倍的东西，超级蚯蚓能咽下大量的潜在有毒金属，如砷、铅、锌和铯。

To achieve natural ventilation, natural lighting at the same time meet the fire requirements, a multi-purpose indoor staircases complexes, staircases wells Road Shanpian caesium potassium use high-intensity fire glass, making glass ventilation Road indoor staircases at the same time addressing the needs of the natural lighting.

为实现自然通风、自然采光同时又满足防火要求，室内楼梯间成为一个多功能综合体，楼梯间井道利用高强度单片铯钾防火玻璃建成，使得玻璃通风道同时解决了室内楼梯间的自然采光需求。

The result shows that the main factors,which affect the technical quality of the cathode assembly preparation,are surface oxidization of emissive layer,impurity pollution,doped concentration nonuniform,less variation of doped concentration gradient,the sticking stress of GaAs and glass,and the main factors,which affect the cathode activation,are the degree of vacuum for activation at lower than 8x10-8Pa,the partial pressure of H2O,CO,CO2 and C in the vacuum residial gas at higher than 10-8 Pa and the improper caesium and oxygen refining.

结果表明，影响台外工艺质量的主要因素是外延材料缺陷多、发射层表面氧化、杂质污染、掺杂浓度不均匀、掺杂浓度陡度变化小及GaAs与玻璃粘接产生的应力大；影响台内工艺质量的主要因素为阴极激活真空度低于8×10-8Pa。真空残气H2O.CO.CO2及C分压大于10-8Pa。阴极激活铯和氧源提纯不彻底。

As in the past years, traces of artificial radionuclides, namely caesium-137, tritium

平均在正常本底变化范围之内。与过去的情况相若，天文台在

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。