| 1. | The quaternary sediments are largely undeformed . 第四纪的沉积物大部分未变形。 |
| 2. | Cationics are usually quaternary ammomium salts . 阳离子表面活性剂通常为季铵盐类。 |
| 3. | Non - aqueous titrimetric analysis of quaternary ammonium salt n 263的非水滴定分析 |
| 4. | Optimal quaternary self - orthogonal codes of dimension three 4上的3维最优自正交码 |
| 5. | Thermoelectric properties of quaternary ag - bi - sb - te alloys 四元合金的热电性能 |
| 6. | Dalinghe river ; hidden fault ; quaternary ; terrace 大凌河隐伏断裂第四纪阶地 |
| 7. | Test method for ph of fatty quaternary ammonium chlorides 脂族季铵氯化物中ph值的测试方法 |
| 8. | A study on the yangfan quaternary section , linyi , shanxi 山西临猗杨范第四纪沉积剖面初步研究 |
| 9. | Test method for ash in fatty quaternary ammonium chlorides 脂族季铵氯化物中灰分的测试方法 |