PTM的音标

The experimental results of PTM Q-switehing ruby laser are given.

本文给出了PTM调Q红宝石的实验结果.

The novel points of the article contain three aspects in the following: ( 1) With thiol sealing end polysulfide, poly tetrahydrofuran ether ( PTMG), diphenyl methane diisocyanate ( MDI) as raw materials, to prepare polysulfide-based polyurethane composite material.

本研究的新颖点主要包含以下三方面：（1）以巯基封端聚硫橡胶（PS）、聚四氢呋喃醚（PTMG）、二苯基甲烷二异氰酸酯（MDI）为原料，合成聚硫聚氨酯复合材料。

The thermoplastic polyester-ether elastomer ( TPEE) was synthesized with dimethyl terephthalate ( DMT), 1,4-butylene-glycol ( BG), polytetrahydrofuran ( PTMG) as raw materials.

以对苯二甲酸二甲酯（DMT）、1,4-丁二醇（BG）、聚四氢呋喃（PTMG）为主要原料，合成热塑性聚酯弹性体（TPEE）。