American SEG defines seismic record polarity as SEG normal polarity and SEG reverse polarity.
美国SEG协会把地震剖面的极性规定为SEG正常极性和SEG反正常极性。
Normal cells form similar, well-organized acinar structures in vitro, whereas in highly metastatic epithelial cell lines these structures are disorganized and lack polarity.
体外试验中,正常细胞形态相似,腺泡结构排列整齐,然而那些高侵袭的上皮细胞系的结构紊乱并且失去极性。
Due to the high polarity of vinyl ester chemistry, it is known to be difficult to control the rheology with normal thickening additives or hydrophilic fumed silica.
但由于乙烯基酯树脂的高化学极性,用普通增稠剂和亲水性气相法二氧化硅对其实现很好的流变性控制是相当困难的。
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.
古地磁测量表明,中国新近系保德阶界线层型,山西保德冀家沟剖面记录了12个正极性段与11个负极性段。
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).
地球磁场多次发生南北(正负)磁极位置的变换和白垩纪超静磁带(CNS)的异常现象,这已为大家所公认。
For silica-based normal phase chromatographic columns a solvent washing system with increased polarity is effective.
硅胶基质正相色谱柱用极性逐渐增强的溶剂系统冲洗;
For silica-based normal phase chromatographic columns a solvent washing system with increased polarity is effective.
硅胶基质正相色谱柱用极性逐渐增强的溶剂系统冲洗;
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