In this experiment, compost filler were added in poultry composting process in order to regulate C/N and control stench arising, as fowl dung was taken for the raw material.
试验以鸡粪为原料进行堆肥发酵，通过添加填充料，调节堆料C/N值，有效控制堆肥发酵过程中臭气的产生。
Poly (N-vinyl carbazole) was modified to prepare azo-PVK by post-azo-coupling reaction with diazo salt as raw material using phase-transfer catalysts.
我们以聚乙烯咔唑为偶合组分，和发色基团对硝基苯重氮盐在相转移催化剂存在下，采用后重氮偶合方法，制备出偶氮化聚乙烯咔唑。
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。
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