例句與造句

1. Highly selective hydrogenation catalysts
   超高純度試劑
2. Preparation of cu - zn - al2o3 catalysts and their catalytic performance for selective hydrogenation
   2催化還原氮氧化物的初步研究
3. Catalytic properties of supported pd tio2 and pd - ag tio2 catalysts for selective hydrogenation of acetylene
   2催化劑的乙炔選擇性加氫催化性能
4. Preparation of nano pd tio2 catalyst and it ' s catalytic performance for selective hydrogenation of acetylene
   2加氫催化劑的制備及其催化性能研究
5. Influence of preparation conditions of pd c catalysts on selective hydrogenation of 1 , 2 - propadienyl - phosphonic acid
   的制備條件對丙二烯磷酸選擇加氫催化性能的影響
6. It's difficult to find selective hydrogenation in a sentence. 用selective hydrogenation造句挺難的