例句 /

The screening of high tannase producer and mutagenic effects of Aspergillus niger 9701 with low N + ions implantation were studied.

The screening of high tannase producer and mutagenic effects of Aspergillus niger 9701 with low N + ions implantation were studied.

研究了单宁酸酶高产菌株的选育以及低能N+ 离子注入黑曲霉 970 1 (Aspergillusniger 970 1 )的诱变效应。