... abfarad电磁制法拉 abietic resin松香树脂 ability factor工作能力指标,工作能力系数 ...
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phenolic-modified abietic resin 酚醛改性松香树脂
abietic-type resin acid 枞酸型树脂酸
abietic-type resin acids 枞酸型树脂酸
abietic-type pine resin acid 枞酸型松香树脂酸
Conjugated unsaturation of abietic resin acids can be removed through catalytic hydrogenation to overcome the shortcomings of oxidation and color degradation in rosin.
将松香催化加氢可去除枞酸型树脂酸的共轭不饱和性，克服其易于氧化变色的缺点。
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