24、化氢)(mg/kg)1010GB/T12702GB/T60169气相含氧量%0.30.3GB/T6022 表3-1 工业1,3-丁二烯(GB/T1329191) 采用一般乳液聚合的丁腈橡胶,大分子的空间结构主要呈无规构型,空间排列杂乱,严重的影响了橡胶的性能,设法寻找有效的聚合催化剂,合成立体等规结构的丁肪橡胶,是重要的发展方向。3.1.2 丁腈橡胶的性能...
120 ABNT NBR ISO 26622-1-2018 2018-05-16 Portuguese Modular taper interface with ball track system Part 1: Dimensions and designation of shanks 121 ABNT NBR 6022-2018 2018-05-16 Portuguese Information and documentation - Article in a technical and/or scientific periodical publication - Presentatio...
120 ABNT NBR ISO 26622-1-2018 2018-05-16 Portuguese Modular taper interface with ball track system Part 1: Dimensions and designation of shanks 121 ABNT NBR 6022-2018 2018-05-16 Portuguese Information and documentation - Article in a technical and/or scientific periodical publication - Presentatio...