A method in which a data base and regression will be employed has been studied for predicting weld bead shape and selecting optimum welding parameters in arc welding processes.
本文研究了一种使用数据库及回归分析技术在电弧焊中预测焊道形状及选择最佳焊接参数的方法。
The core consists of 140 base pair of DNA wrapped around a globular histone bead containing two each of histones H2A, H2B, H3 and H4.
核小体核心由140个碱基对的DNA围绕一个组蛋白小球组成，每一个组蛋白小球包含两个H_2A、H_2B、H3和H4的四聚体分子。
As the bead moves toward the magnet, the DNA strand passes through nano-sized opening slowly enough that its base pairs can be read.
当铁珠被吸向磁铁，DNA链便会缓慢的通过纳米大小的开口，其碱基便可被读取。
应用推荐