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The agreement establishes a process to collaborate with each other and with the International Atomic Energy Agency on export controls, international nuclear safeguards, protection of nuclear materials and facilities, nuclear emergency management and radioactive source security, it said.

这一协议为双方的合作，以及国际原子能组织控制下的核能出口，国际核安全、核原料的安全和保护、核问题紧急的处理、放射性核能的安全问题，都作出了建设性的贡献。

The γ-ray source is radioactive isotope of 241 Am which has the emission energy 59.5keV.

射线源为同位素241Am，它发出的光子能量是59.5keV。

The intensity of a radioactive source.

辐射出射线的同位素被为放射性同位素。

Indeed the use of an electron beam or X-rays for irradiation overcomes the need for a radioactive source altogether.

用电子束或X-射线进行辐照确实完全解除了对某种放射源的需要。这个象炼狱般的地方将一缕致死的放射性同位素喷入大气层。

The investigation on radioactivity level s of radioactive source storehouses and surrounding environment were conducted in logging CO.

对大庆测井公司放射源库及周围环境的放射性水平进行了调查，调查内容分为环境空气气溶胶辐射水平、水环境辐射水平、环境地表γ辐射空气吸收剂量率及土壤环境辐射水平四个方面。

Marie had linked the relationship between radioactivity to individual atoms in her first solo paper. The source of the radioactive energy. however, was still a mystery.

玛丽在她首先独自发表了论文中，关联了在放射性与单个原子之间的关系，然而元素放射性的来源仍然是一个谜。

The investigation on radioactivity levels of radioactive source storehouses and surrounding environment were conducted in logging CO.

对大庆测井公司放射源库及周围环境的放射性水平进行了调查，调查内容分为环境空气气溶胶辐射水平、水环境辐射水平、环境地表γ辐射空气吸收剂量率及土壤环境辐射水平四个方面。

The method of low dose and half-body irradiation as a radiotherapeutic method is safe and feasible and the radiation modality of backing on the radioactive source is more safe.

低剂量半身照射是安全可行的放射治疗方法，且背对放射源的照射方式更为安全。

He added that there could one day be a useful outlet to the discovery - x-ray machines that would be cheaper and safer than conventional machines that require a permanent radioactive source and a highly trained technician for maintenance.

他补充说，也许有一天这个发现能派上用场――廉价安全的X光机，不象通常的X光机那样需要永久放射源，以及高度培训过的技工做维护。

In order to measure the mould level more quickly and accurately, the algorithms for real-time signal processing are developed to determine the pulse count rate, filter the signal and to compensate the decay of the radioactive source automatically.

为提高测量的统计精度和快速性，设计了信号实时处理算法测量信号脉冲计数率，进行信号滤波和放射源衰减自动补偿。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。