blue ballpoint pen inks
常见例句
- Study on natural ageing of blue ballpoint pen inks by ultraviolet-visual spectrophotometry;
建立了一种基于非水毛细管电泳法区分蓝色圆珠笔油墨的方法。 - An identification method based on UV-VIS spectroscopy and principal component analysis was developed to identify blue ballpoint pen inks.
提出了一种采用紫外可见光谱技术结合主成分分析对蓝色圆珠笔油墨种类进行鉴别的方法。 返回 blue ballpoint pen inks