积分基数分为两类，一是加分的优良行为，分为五个级别；二是扣分的不良行为，分为三个级别。
There are two categories of scoring bases: fine conducts for scoring in five levels and misconducts for deduction in three levels.
为了筛选性能优良的酞菁类气敏性材料，设计合成了可溶性的八异戊氧基酞菁铅。
Octa-iso-pentyloxyphthalocyanine lead with high solubility was designed and synthesized to choose good characteristic phthalocyanine gas sensing material.
曼尼希碱是一类性能优良的缓蚀剂，并在油气井酸化作业中大量应用。
Mannich base is a corrosion inhibitor with superior property and is applied widely in well acidizing treatments.
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