通过所用树脂、颜填料和助剂的选择和搭配，尤其针对本研究体系的特殊性，采用了一种特种助剂T，使研制的涂层在可见-近红外波段的反射比达到80。
Proper selection of the resin, pigments and fillers and additives, Especially, a special additive T and formulation lead to the average reflectance ratio is up to 80.
以特种活性组元改性MF I结构沸石为主活性组元开发了提高液化气中丙烯含量的催化裂化助剂MP031。
An additive, MP031, for enhancing propylene content in LPG was developed by means of modifying zeolite having MFI structure with special active metal component.
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