Defining Efficient Influence Radium of Drilling Hole Gas Extracting by Using Gas Flow Theory
采用瓦斯流场理论确定钻孔瓦斯抽采有效影响半径
来源:互联网摘选Optimization Design for Dealing with Acidic Waste Water Containing Radium and Ion of Heavy Metal
含镭及重金属离子酸性废水处理工艺优化设计
来源:互联网摘选Rapid concentration in-situ and γ spectrum analysis of radium isotopes in large volume seawater
大体积海水镭同位素现场快速富集与γ谱直接测定
来源:互联网摘选The extraction of radium from uranium ore concentrates using lead as the carrier
用铅为载体从铀精矿中提取镭
来源:互联网摘选The ore is characterized by basic equilibrium between uranium and radium.
对铀镭平衡的某些认识矿石中铀镭基本平衡。
来源:互联网摘选The scientists who discovered radium did not know that it would kill them.
那些发现了镭元素的科学家,并不知道这种元素会让他们丧命。
来源:互联网摘选This method was used to study radium isotopes distribution in seawater of Jiaozhou Bay.
研究了胶州湾水体镭同位素的分布。
来源:互联网摘选Construction technology of T-beam erection of the small radium and steep slope bridge
大坡度小半径桥T型梁架设施工
来源:互联网摘选Influences of fiber core radium and offset on the coupled efficiency are discussed in detail.
详细分析了光纤芯径和偏移对光纤-波导耦合效率的影响。
来源:互联网摘选The method for analysing radium in powder samples and its application to uranium prospection
粉末样品中镭量分析法及其在铀矿勘查中的应用研究
来源:互联网摘选
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