quarternary 中文意思是什麼

quarternary 解釋
第四紀
  1. 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

    對蜜糖進行了季銨化合成，希望在保留糖類親水性的同時具備陽離子表面活性劑的某些性質。
  2. 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

    青藏高原的橫空崛起以及第四紀冰期間冰期的循環往復，導致該地區生境千差萬別，使蠅科區系不僅有地域分異，且垂直差異顯著。
  3. Following these two examples of two and three phases, regarding ternary and quarternary metallic melts involving eutectic as melts consisting of three and four non - homogeneuos solutions correspondingly, and using thermo - dynamic parameters of binary metallic melts involving eutectic, calculating models of mass action concentrations for ternary symmetrical melts formed from similar metastable compounds, ternary unsymmetrical melts formed from unsimilar metastable compounds and quarternary metallic melts involving eutectic have been formulated

    仿照這兩個二、三相熔體的例子，將含共晶體三、四元金屬熔體看作由3 ， 4個溶液組成的非均相熔體，並利用含共晶體二元金屬熔體的有關熱力學參數，針對由同類亞穩態化合物組成的對稱型三元系、不同類型亞穩態化合物組成的非對稱型三元系及四元系含共晶體金屬熔體，制定了相應的作用濃度計算模型。
  4. Calculated mass action concentrations agree with measured activities, this both shows that these models can reflect the structural characteristics of corresponding melts, and that the regularities obtained from binary metallic melts and ternary mattes involving eutectic are applicable to ternary and quarternary metallic melts involving eutectic

    計算的作用濃度與實測活度符合，既證明所制定的模型符合相應金屬熔體的結構特性，又證明從含共晶體二元金屬熔體和三元熔鋶所得到的規律可以應用於含共晶體三、四元金屬熔體。
  5. Preparation and characterization of ultrathin ordered molecular deposition films of wo3 and bis - quarternary ammonium salt

    三氧化鎢與雙季銨鹽超薄有序分子沉積膜的制備及其結構研究
  6. Investigation of quarternary pollen and spores extraction methods in north china

    區開發中後期儲層地質建模
  7. Mt. lushan with a lot of typical remains of glacier is the birthplace of the theory " quarternary glacier in china "

    廬山是「中國第四紀冰川」學說的誕生地，是冰川遺跡最典型、最集中的山體。
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