Extracts of the hybrids were then subjected to polyacrylamide gel electrophoresis and tested for tk activity . 用聚丙烯酰胺凝胶电泳检测杂种提取种物的TK活力。
The detection of these geological features is one of most critical parts of a stability investigation . 检测这类地质结构面乃是稳定性研究中极为重要的一个部分。
These currents become the source of new electromagnetic waves which can be detected by suitable pickup coils . 这些电流成为能被合适的拾波线圈检测的新的电磁波源。
The detection of these geological features is one of the most critical parts of a stability investigation . 检测这类地质结构面乃是稳定性研究中极为重要的一个部分。
Improved nondestructive evaluation procedures have enabled defects to be found that would have gone unnoticed earlier . 先进的无损检测方法将从前被忽视的缺陷检测出来。
The glyoxylate bypass enzymes are at or below the limits of detection, even after a single day of germination . 甚至在萌发一天之后，乙醛酸支路的酶的活性是处于或低于检测极限的。
The german airman had only to fly along one beam until he detected the second, and then to drop his bombs . 德国的飞行员只须沿一条射束向前飞行，直到他检测到第二条射束时就投掷炸弹。
Some technicians use the infrared exhaust analyzer to quickly detect small vapor losses from around fuel tank . 有些技术员利用红外线排气分析仪来迅速检测燃油箱周围的少量的蒸气泄漏。
The value of gravimeter surveys for gravity change detection lies in the fact that gravity change indicates elevation change . 用重力测量检测重力变化的意义在于，重力变化表示高程变化。
The great bulk of the ribosomes of the plant cell are often detected as large aggregates of so-called polysomes . 植物细胞的大量的核糖核蛋白体往往以多核糖核蛋白的大块集合体的形式被检测出来。
