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
- 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。 - The classification, naming and field description are introduced of the Tertiary and Quaternary rocks from monitoring shaft hole.
介绍了井简检查孔第三、四系岩土的分类、定名和野外描述。 - The results show that the quaternary ammonium cationic group of the modified products can better treat perchlorate in water.
结果表明,改性产物表面的季铵阳离子基团能较好地吸附废水中的高氯酸根; - Active Characteristics Study of Major Faults in the Subei Region in the Late Quaternary
肃北地区主要断裂晚第四纪活动特征研究 - 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。 - Progress and problems of Quaternary glaciation and loess study in the midwestern United States
美国中西部第四纪冰川与黄土研究的进展和问题 - 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。 - With the uplift and Quaternary climate change, the Yulong mountain engendered four plaeoglaciations and has grown modern glaciers.
在山体上升和第四纪气候变化的背景下,玉龙山产生了四次更新世冰川作用,并发育有现代冰。 - 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 - Several polyoxyethylene type quaternary ammonium salt cationic surfactants were selected to investigate their interaction with acid dyes and influence on the dyeing properties.
摘要选择了几种聚氧乙烯型季铵盐阳离子表面活性剂,探讨了这些表面活性剂与酸性染料的相互作用以及对染料染色性能的影响。
