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- polyethylene diphenylmethane 聚二苯甲烷
- Diphenylmethane would have a two proton peak. 二苯甲烷必定有一个二质子的峰。
- The auxiliary fuel tank is made of polyethylene. 副燃油箱是用聚乙烯制造的。
- High elasticity module polyethylene fi. 钢纤维和高强高模聚乙烯纤维。
- Fibre ropes for general service. Polyethylene. 通用纤维索。聚乙烯。
- Jacket: Black low mid or high density polyethylene. 护套:黑色低密度或中密度或高密度聚乙烯。
- Jacket:Black low mid or high density polyethylene. 护套:黑色低密度或中密度或高密度聚乙烯。
- This order shall be packed in cartons with polyethylene tops. 这批货的包装是用顶部带有聚乙烯的纸箱。
- The high-density polyethylene pipe is a new type of tubing. 雨水管所采用的高密度聚乙烯管是一种新型管材。
- Polyethylene foamed sheet (film) ,is also named as pearl cotton. 聚乙烯发泡片(膜),又称珍珠棉。
- A plug of glass wool held in the neck of a polyethylene funnel. 玻璃棉塞支承着聚乙烯漏斗的颈部。
- Polyethylene is an excellent barrier to water vapor. 聚乙烯保水蒸汽的性能良好。
- The samples are collected in perforated polyethylene bags. 样品采集在有孔的聚乙稀袋中。
- CS - 14 is studied as a kind derivate of polyethylene glycol. CS 14是1种聚氧乙烯类化学增感剂。
- Polyethylene gloves, coveralls, avoid cotton product. 皮肤保护:使用聚乙烯的手套,避免棉织的。
- Therefore eleated rim polyethylene liners must be used carefully. 因此须谨慎使用带突起缘的聚乙烯内衬。
- Diphenylmethane diisocyanates (MDI) is an important material used for manufacturing polyurethanes. 摘要二苯甲烷二异氰酸酯(MDI)是重要的聚氨酯原料,市场需求量很大。
- It virtually consists of an empty chamber completely lined with polyethylene. 它实际是一台完全用聚乙烯作衬里的空腔室。
- Bis(trichloromethyl) carbonate as the phosgene substitute in the preparation of 4, 4'- diphenylmethane diisocyanate is introduced. 研究了用二(三氯甲基)碳酸酯代替传统的光气进行羰基化反应合成二苯甲烷-4,4’-二异氰酸酯的反应。
- Diphenylmethane (DPM) is a useful chemical material in spice production and an important intermediate in drug and organic synthesis. 二苯基甲烷,通常用于香料工业,同时又是生产染料、医药的重要中间体。
