The experimental results show the measured value of De decreases with increasing ash content, and a relationship between them is derived. Comparisons of calculated burning r…

测量结果表明，空气在煤灰球中的等效扩散系数随煤中灰份的含量的增加呈单调下降的关系，并给出了它们之间的通用关系式。

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DVD-R: This is a one time only recordable format, similar to burning CDs with a CD-R.

FORBES: Standards tangle

Unless you're burning from downloaded (perhaps pirated) songs, you'll have to go through the process of transforming CD song files into MP3s and then burning them onto CD-R or CD-RW disks.

FORBES: Magazine Article