Phase transfer catalysis is hot point now because of its merit of temperate react condition, quick react rate and highproductionyield.
由于相转移催化具有反应条件温和、反应速度快、反应收率高等优点，使其成为研究的热点。
2
The invention has a simple equipment, a convenient operation, a highproductionyield, a good quality, a high purity and a fine environment friendship.
本发明的效果和益处是该方法具有设备简单、操作方便、产品收率高、质量好、纯度高，环保等优点。
3
A process for producing a stamper substrate in which a rolled metal sheet can entirely be used as a substrate material to thereby enable maintaining highproductionyield.