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puparia相关的网络例句

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与 puparia 相关的网络例句 [注:此内容来源于网络,仅供参考]

In order to produce chitin derivative with high-quality, the processing for producing chitin from puparia of silkworm Bombyx mori were optimized: puparia were dipped in 3% HCl for 22 h at 30℃, then in 5% NaOH for 4 h at 85℃, followed by decoloring in 10% H2O2 for 0.5 h under 85℃.

为制备高品质甲壳素衍生物,研究了利用家蚕蛹皮制备甲壳素的最佳工艺条件:将家蚕蛹皮用3% HCl在30℃条件下浸泡22h,再用5%NaOH在85℃条件下水浴4h,然后用10%H2O2于85℃下加热脱色0.5h。

推荐网络例句

The circulation, consumption and reproduction of the trilogy have not only testified to its historical significance and literariness, but also invested it with new meanings.

该三部曲的流通、消费与再生产不仅验证了其历史意义及文学性,而切还赋予它以新的意义。

If he thought that he could buy me off, he would be wrong.

如果他认为他可以收买我,那他就大错特错了。

Can I be excused today's lesson?

我可以不上今天的课吗?