Compared with the activity of sodium methoxide, sodium ethoxide, sodium isopropyl, sodium tert-butoxide, the best base catalyst was sodium tert-butoxide.
比较甲醇钠、乙醇钠、异丙醇钠和叔丁醇钠催化活性,叔丁醇钠为最佳的催化剂。
The LiTaO3 thin film was chosen as infrared sensing film and prepared by a sol-gel process using lithium acetate and tantalum ethoxide as starting materials.
用醋酸锂和乙醇钽作为起始反应物,通过溶胶凝胶工艺生成了对红外敏感的钽酸锂薄膜,并详细讨论了基于钽酸锂薄膜的红外探测器件制备工艺。
The results show that the vapour pressure and the mass loss rate of tantalum propoxide, tantalum butoxide and niobium ethoxide are suited for chemical vapor deposition.
结果表明,丙醇钽、丁醇钽和乙醇铌的蒸汽压大小能够满足化学气相沉积的要求,有足够的挥发速率。
Synthesis of coumarin-3-carboxylic acid through sodium ethoxide catalyzed synthesis of coumarin -3-carboxylic acid ethyl ester, followed by saponification, acidolysis cyclization was studied.
实验以水杨醛、丙二酸二乙酯为原料,乙醇钠为催化剂催化合成香豆素- 3 -羧酸乙酯,再经皂化、酸解环合合成香豆素- 3 -羧酸。
Synthesis of coumarin-3-carboxylic acid through sodium ethoxide catalyzed synthesis of coumarin -3-carboxylic acid ethyl ester, followed by saponification, acidolysis cyclization was studied.
实验以水杨醛、丙二酸二乙酯为原料,乙醇钠为催化剂催化合成香豆素- 3 -羧酸乙酯,再经皂化、酸解环合合成香豆素- 3 -羧酸。
应用推荐