常见例句

双语例句

The invention relates to a catalyst for preparing low-grade aliphatic amine and a preparation method and application thereof.
本发明涉及一种制备低级脂肪胺的催化剂及其制备方法和应用。
ip.com
Principles of hindered amine adduct, performances and application processes of resulted aliphatic polyurea paints are introduced.
详述了受阻胺加合物的原理以及由此制成的脂肪族聚脲涂料的性能和施工方法。
Polysubstituted pyridines and 1,4-dihydropyridines were prepared in a three-component reaction of aromatic aldehyde, malononitrile and aliphatic amine in a mixed solvent of methanol and water.
在甲醇和水的混合体系中，通过芳醛，丙二腈和脂肪胺的三组分反应我们顺利得到了一系列多取代的吡啶和1，4-二氢吡啶衍生物。