quaternary
英 [kwəˈtɜːnəri]
美 [ˈkwɑtərˌnɛri]
adj. 季; 第四纪的; 四进制的；四元的；四价的
n. 四; 四个一组
BNC.29261 / COCA.40079
英英释义
noun
- the cardinal number that is the sum of three and one
adj
- coming next after the third and just before the fifth in position or time or degree or magnitude
- the quaternary period of geologic time extends from the end of the tertiary period to the present
- consisting of or especially arranged in sets of four
- quaternate leaves
- a quaternary compound
双语例句
- Organic complexes of montmorillonite were prepared by modifying montmorillonite with certain quaternary ammonium.
对无机膨润土进行了聚胺改性，得到有机复合膨润土。 - This discovery provides important data and evidence for establishing the climatic stratigraphic sequence and division and correlation of the Quaternary glacial period on the Qinghai-Tibet plateau.
为青藏高原建立气候地层层序、第四纪冰期划分对比提供了重要的实际资料和依据。 - The equilibrium phase diagram and the density-composition diagram of the quaternary system were plotted using experimental data.
依据实验测定的平衡溶解度数据及对应的平衡固相，绘制了该四元体系的平衡相图及其密度-组成图。 - The Lower Liaohe River Plain, in Panjin city Liaoning province, has plenty of Quaternary brine resources, with the huge exploitation potential.
辽宁省盘锦市辖区内的下辽河平原储藏了丰富的第四纪卤水资源，开采潜力巨大，有必要对其进行特征分析和资源评价。 - The orebody occurred below Quaternary, mineralization is closely related to tectonic activity and alteration.
矿体赋存于第四系之下，矿化与构造活动及蚀变密切相关。 - In this paper experiments of image segmentation on Quaternary strata are made on RS image by morphologic methods.
利用数学形态学的方法对遥感影像的第四系地层进行了影像分割实验。 - Geochemical characteristics of the Miocene eolian deposits and comparison with the Pliocene and quaternary eolian deposits
中新世风尘堆积的地球化学特征及其与上新世和第四纪风尘堆积的比较 - Research on the Quaternary fine-fraction lithofacies and sedimentation model in Tainan Area, Qaidam Basin
柴达木台南地区第四系细粒沉积岩相与沉积模式研究 - The Quaternary is also characterized by the emergence of the environment.
第四纪也以人类的出现和人类开始对环境的改造为标志。 - Study on Synthesis and Properties of Multi Quaternary Ammonium Surfactant
多季铵盐表面活性剂合成与性能研究