释义 |
specific activity短语⁷¹¹⁴² 基本例句 比活性,活性比,比放射性强度,放射强度率,比放射性,专性活动,比活度,放射性比度 High- level expression of phytase with high specific activity is an effective way to improve phytase fermentation potency and reduce its production cost. 高效表达高比活植酸酶是进一步提高植酸酶发酵效价、降低植酸酶生产成本的一个有效途径。 dictall High- level expression of xylanase with high specific activity is an effective way to improve xylanase fermentation potency in recombinant host and decrease its production costs. 高效表达高比活木聚糖酶是进一步提高木聚糖酶发酵效价、降低其生产成本的有效途径。 cnki In this paper, a method of specific activity for the determination of uranium and thorium isotopes without adopting isotope tracer is presented. 本文提出了不采用同位素示踪剂测定铀、钍同位素比活度的方法。 cnki |