ppq 中文意思是什麼
ppq
解釋
楓飛舞-
The self - assembling behavior and mechanism of ppq - b - ps, ppq - b - peg copolymers in the selective solvents were studied. the 5 - acetyl - 2 - aminobenzophenone ( abp ) was synthesized by using p - nitroacetophenone, ethylene glycol, phenylacetonitrile, hydrogen, perchloric acid as raw materials under stirring means
以對硝基苯乙酮、乙二醇、苯乙腈、氫氣、高氯酸為原料，用迴流攪拌的方法合成出5 -乙酰基- 2 -氨基二苯甲酮（ abp ） 。 -
Level in high - tech areas such as semiconductor industry and new material - related industries requiring a detection limit of ppq 10
在高科技產業，如半導體業，其偵測極限已由ppb 10
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