经实验室验证,复合接箍对回注水管柱螺纹防腐具有一定的可行性,可以延长回注水油管柱的整体使用寿命。
Lab experiments show that such tubing collar is feasible to some degree in preventing corrosion of the screw thread of water cycling pipe, thus extending the service life of water cycling pipe.
相对于传统的填充柱和开管柱,整体柱在手性拆分方面具有显著优势。
Chiral monolithic columns can avoid the problems encountered in chiral open-tubular and chiral conventional packed columns.
相对于传统的填充柱和开管柱,整体柱在手性拆分方面具有显著优势。
Chiral monolithic columns can avoid the problems encountered in chiral open-tubular and chiral conventional packed columns.
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