First, the azo dye with N-hydroxyethyl functional group in coupling components is taken as the raw material to have acryloyl reaction, to obtain hair color monomer.
首先用偶合组分上带n -羟乙基官能团的偶氮染料为原料经丙烯酰化反应，得到发色单体。
The rooms are aligned along a central atrium in a flowing progression through diverse building components: entrée, cloakroom, kindergarten classroom, play area, material and group room.
整个幼儿园沿着中心庭院和单一的循环回路布置。 整座建筑空间延续按照入口、衣帽间、教室、游乐场地、小组活动室排列。
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