“醚”造句
2024年06月13日 19:52:44
硝胺
醚在无烟火药成份中有两种作用.
The nicramine ethers perform two functions in the smokeless powder composition.
结果表明,聚乙二醇缩水甘油
醚对丝胶蛋白具有明显的交联作用.
The result showed that polyethylene glycol diglycidyl ether cross linked sericin obviously.
在最佳条件下产品邻甲氧基二苯
醚的收率可达到84.6%.
The yield of the product under optimum conditions was up to 84.6 %.