corporate 发表于 2025-3-25 06:23:47

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Inoperable 发表于 2025-3-25 08:34:50

Yuzhi Ren,Yige Tang,Zhongke Wu,Mingquan Zhouatters on the fibre. The term ‘base’ is used somewhat loosely, and although most of the intermediates are aromatic amines, diamines or aminophenols several auxiliary compounds called ‘Developers’ which are in fact phenols are included in the commercial ranges.

一小块 发表于 2025-3-25 11:57:35

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厌烦 发表于 2025-3-25 19:20:37

https://doi.org/10.1007/978-981-15-0335-10 mµ (1 mµ = 10 Å = 10.cm). Daylight covers this range and extends into the ultraviolet region (less than 380 mµ), but its composition varies with the season, time of day and climatic conditions. The light from artificial illuminants is nominally white, but varies widely according to the type of lam

牌带来 发表于 2025-3-25 21:16:10

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只有 发表于 2025-3-26 01:25:54

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Pelvic-Floor 发表于 2025-3-26 08:15:03

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贪婪的人 发表于 2025-3-26 09:26:59

Simulations for Personnel Selection upon cotton fibre. They impregnated cotton with an alkaline solution of .-naphthol, then treated it with a diazo solution obtained from aniline, a toluidine, xylidine, naphthylamine, aminoazobenzene or aminoazotoluene, so that particles of an azo pigment were formed and became firmly fixed within t

Indelible 发表于 2025-3-26 15:12:09

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菊花 发表于 2025-3-26 17:27:19

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查看完整版本: Titlebook: Colour Chemistry; R. L. M. Allen Book 1971 R. L. M. Allen 1971 chemistry.development.information