催化活性中心 meaning in Chinese

catalytic active site

The deduced 3 amino acid residues , d32 , h64 , and s221 , were identical with 3 essential amino acids in the catalytic center of protease
成熟蛋白酶全长275个氨基酸残基，其中， d32 ， h64 ，和52213个氨基酸残基为催化活性中心。
In the procedure , carbon nanotubes were oxidized by nitric acid and then neutralized with naoh to create carboxyl surface groups which were used to adsorb ni ( superscript 2 + ) ions , thereafter the adsorbed ni ( superscript 2 + ) ions were chemically reduced into ni nano - particles as a catalytic center for electroless nickel deposition , all these were further confirmed by infrared absorption spectra and electron microscopic observations
碳纳米管经硝酸氧化和碱中和后表面生成羧基，利用羧基吸附镍离子，之后吸附的镍离子被化学还原为镍的纳米微粒并成为化学镀镍的催化活性中心。