“environment-friendly plastic additives”的概念、定义、翻译、参考文献-科学参考

单词	environment-friendly plastic additives
释义	environment-friendly plastic additives Encyclopedia 工学高端专用化学品释 environment-friendly plastic additives环保型塑料助剂聚合物（合成树脂）进行成型加工时为改善其加工性能或为改善树脂本身性能不足而必须添加的一些化合物。塑料助剂又称塑料添加剂。
随便看	positive recurrent state positive reinforcement positive relation positive result positive root positive root system positive rotation positive school of criminology positive selection positive self-adjoint operator positive self-regard positive semi-definite positive semi-definite form positive semi definite Hermitian matrix positive semi-definite Hermitian matrix positive semi-definite kernel positive semi definite matrix positive semi-definite matrix positive semi-definite operator positive semi definite quadratic form positive semi-definite quadratic form positive semi-definite rational function positive semigroup positive semiorbit positive semi-trough

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