quarternary造句
1. The origin of the deposit belongs to Quarternary eluvial placer type.
2. This research synthesizes a quarternary ammonium salt of honey, with the purpose that the honey can both retain the hydrophile of the glucide and gain new certain properties of cationic surfactant.
3. A film forming quarternary ammonium salt corrosion inhibitor 9912 1 containing aza heterocycle was synthesized.
4. HD - 103 aloe genuine pearl plasm is quarternary ammonium compound formed from natural alkyl fatty acid.
5. In the Tathang and Yan Mountains incised and meandering valleys formed in Quarternary.
6. There is a quite complete Neozoic strata in County Huo, the Fen River basin, Shanxi province. In the past some geologists studied Quarternary strata and history of the Fen River in the locality.
7. The article touches upon the principle of displacement measuring system consisting of diode laser focusing lens, reflecting main scale grating, quarternary index scale grating photosensor.
8. The function of pyrochlore in piezoelectric ceramic of PMSN quarternary system to properties was studied by XRD, SEM and electric properties examination, and the method to do with was discussed.