quarternary中文什么意思

例句与用法

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1. Investigation of quarternary pollen and spores extraction methods in north china
   区开发中后期储层地质建模
2. Preparation and characterization of ultrathin ordered molecular deposition films of wo3 and bis - quarternary ammonium salt
   三氧化钨与双季铵盐超薄有序分子沉积膜的制备及其结构研究
3. Mt . lushan with a lot of typical remains of glacier is the birthplace of the theory " quarternary glacier in china "
   庐山是“中国第四纪冰川”学说的诞生地，是冰川遗迹最典型、最集中的山体。
4. 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
   对蜜糖进行了季铵化合成，希望在保留糖类亲水性的同时具备阳离子表面活性剂的某些性质。
5. With the uplift of qinghai - xizang plateau and the to - and - fro of the quarternary glaciation and interglaciation , the muscid fauna was distinctly diversified in habitat and vertical zone
   青藏高原的横空崛起以及第四纪冰期间冰期的循环往复，导致该地区生境千差万别，使蝇科区系不仅有地域分异，且垂直差异显著。