Extraction liquid of electronic grade 2, 1, 5-diazo naphthoquinones sulfonyl chloride and preparation method thereof.

电子级2.1.5 -重氮萘醌磺酰氯的萃取液及其制备方法。

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The development research situation for electronic grade phosphoric acid and its producing methods and its quality specifications are introduced in this paper.

介绍了电子级磷酸的开发研究现状、制备方法、质量标准。

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Finally, the development prospects are predicted, and some Suggestions for the electronic grade phosphoric acid device construction are also put forward.

展望了电子级磷酸的发展前景，并提出了电子级磷酸生产装置建设意见和建议。

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It is in a dogfight with the financially troubled Xerox and the managerially distracted Hewlett-Packard to capture the market for color digital printers: industrial-grade, electronic presses that can churn out a run of thousands of full-color, personalized documents.

FORBES: Hot type

By fifth grade, he was building his own video-game console with an electronic-projects kit from Radio Shack.

NEWYORKER: Machine Politics