研究人员进行了很多组实验，比如改变温度与溶剂类型，这些对控制石墨烯的质量与尺寸都至关重要。

The researchers performed many sets of experiments in which they varied factors such as the temperatures and the type of solution, which are critical to control the quality and size of the df-G.

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除了变质程度以外，原岩的类型和碳的原始物质的种类也会影响碳的石墨化作用。

Besides metamorphic grade, the nature of original rocks and the precursor of carbonaceous material may also influence graphitization.

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通过一系列条件试验，研究了石墨炉原子吸收光谱法测定水中微量钡的石墨管类型、最佳加热程序和最佳基体改进剂等。

Determination of trace Ba in water by graphite furnace atomic absorption spectrometry is studied. The optimum graphite tube, heating programs and matrix modifier are investigated.

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