本文还首次对电化学脱氧提纯稀土金属钇的基本原理和热力学过程进行了论证。
In this paper, basic principle and thermodynamic process of the electrochemical deoxidation purified rare earth metal yttrium are firstly demonstrated.
为了激活这些辅助基因，那些被称为乙酰群的化学物质必须首先释放出那些紧紧被包裹住的脱氧核糖核酸。
To activate helper genes, chemical tags called acetyl groups must first loosen tightly wrapped DNA.
科学家们将实验室化学物质作为脱氧核糖核酸（DNA）的基因块串列在一起，从而合成出了基因组。
The scientists assembled the synthetic genome by stringing together chemicals that are the building blocks of DNA.
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