normal polarity

常見例句

For silica-based normal phase chromatographic columns a solvent washing system with increased polarity is effective.
硅膠基質(zhì)正相色譜柱用極性逐漸增強(qiáng)的溶劑系統(tǒng)沖洗；
It is generally acknowledged that geomagnetic polarity has reversed many times in geological history and an abnormal geologic phenomenon is the Cretaceous normal superchron(CNS).
地球磁場(chǎng)多次發(fā)生南北（正負(fù)）磁極位置的變換和白堊紀(jì)超靜磁帶（CNS）的異?，F(xiàn)象，這已為大家所公認(rèn)。
Paleomagnetic measurements demonstrate that the Jijiagou section which is the stratotype one of Baode Stage of the Neogene in China records 12 normal and 11 reversed polarity zones.
古地磁測(cè)量表明，中國(guó)新近系保德階界線層型，山西保德冀家溝剖面記錄了 12個(gè)正極性段與 11個(gè)負(fù)極性段。