The paper introduced the methods to modify conventional fire-retardant fiber such as copolymerization, blends, core spinning and composite skin graft copolymer.

文章介绍了常规阻燃纤维改性的方法，主要有共聚法、共混法、皮芯复合纺丝法和接枝共聚法。

youdao

Because the core is spinning more rapidly, it is increasing in heat and size.

由于核心旋转更加迅速，其热力与大小也会增加。

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Immediately after supernova, if the remnant core has a mass of less than three SUNS, one would expect a blob of degenerate neutron matter to be spinning in the explosion's wake.

在经历超新星后，假如剩下的残核小于三个太阳质量，爆炸的残余物质就将可能演变成旋转着的中子团。

youdao

The only way this could be explained was if the inner core was spinning slightly faster than the rest of the planet.

BBC: NEWS | Science/Nature | Earth's core runs ahead of crust

Most big German companies these days are focusing on their core business and spinning off units, rather than building by acquisition.

ECONOMIST: American investors fight each other over Celanese

Use that sugar buzz to walk east a mile, under the clackety El train tracks, through downtown's money-spinning core, to the Art Institute of Chicago (111 S Michigan Ave).

BBC: A perfect day in Chicago