这是用一种新的高弹性的材料做的。
对实心轮胎高弹性中间胶的配方进行了研究。
A formula of high elastic middle compound for solid tire has been developed.
结论物理诱变可以有效提高弹性蛋白酶的酶活。
Conclusion Physical mutagenesis can enhance the activity of elastase.
结论物理诱变可以有效提高弹性蛋白酶的酶活。
Conclusion Physical mutagenesis can enhance the activity of elastase.
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