Keto-enol tautomerism is the most common tautomery phenomenon.Keto -enol themselves are the real chemical substance.

酮烯醇互变是互变作用最普通的现象,它们都是真实的化学实体。

The distribution as well as the content of the particles in N-P electroless codeposits is determined by means of conventional stereome-tric metallograph.

介绍用普通的体视金相法,可以很容易地测定化学复合镀层固体微粒的分布形态其含量。

PVC, Teflon and fluorion diaphragm were found to be better than glass as materials of diaphragm cell for their advantages in corrosion resistance as well as less electric resistance.

以聚氯乙烯、聚四氟乙烯和全氟离子隔膜为材料的套管式隔膜电解槽具有隔膜亲水性强、电、碱液腐蚀、高铁酸盐氧化等优点，与平板式隔膜电解槽采用的普通玻璃和高硼硅玻璃相比是更加理想的电化学合成高铁酸盐的电解槽隔膜材料。