As a result, the yield and the selectivity of NVP reached to 67 percent and 81 percent respectively under the controlled conditions and the conversion of NHP was 83 percent.

• 在NHP的催化脱水过程的研究中，考察了催化剂配比，催化剂煅烧温度，催化反应温度，催化剂用量等因素对NHP转化率和选择性的影响，使得NVP的收率为67%25，选择性为81%25，反应物NHP的转化率为83%25。