“醚”造句

硝胺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的收率可达到84.6%.
The yield of the product under optimum conditions was up to 84.6 %.

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