quaternarynoun
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1
- the cardinal number that is the sum of three and one
- Synonym: four 4 IV tetrad quatern quaternion quaternity quartet quadruplet foursome Little Joe
adj
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1
- 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
- Synonym: fourth 4th
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2
- consisting of or especially arranged in sets of four
- quaternate leaves
- a quaternary compound
- Synonym: quaternate
数据来源：WordNet
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Synthesis and characteristic of two new types of quaternary phosphonium salts
新型季鏻盐型缓蚀杀菌剂的合成及其特性
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Study on Synthesis and Clay Stabilizer Properties of Quaternary Ammonium Salts
季铵盐型粘土稳定剂的合成研究及防膨性能评价
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The Background Research on The Quaternary Environment of China 's Disasters
中国区域灾害的第四纪环境背景研究
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Method of element geochemical map production used in Quaternary cover areas
第四系覆盖区元素地球化学制图方法新探讨
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Study on the Mining Technology of Seam under Water Carrier in Quaternary System
第四系含水层下压煤开采技术研究
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The glacier influence of Quaternary Period affect soil development obviously ;
土壤发育受第四纪冰川影响明显，成土年龄短；
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The Quaternary Resources of Guizhou and Their Significance of Research and Utilization
贵州第四纪资源及其研究利用意义
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A Survey of Natural Gas in the Quaternary of Zhejiang Province
浙江第四系天然气概况
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Proposed time lines for Quaternary correlation in East and Southeast Asia
东亚和东南亚第四系时间界面的建议
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The principle and application of magnetic oil and gas exploration in Quaternary sediments
第四纪沉积物磁性勘查油气法的原理及应用
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Synthesis and applications of a new polymer supported quaternary ammonium resin
一种新的高分子固载季铵树脂的合成及其应用
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The optimization of quaternary chaotic spreading sequences and system simulation
跳频码分多址系统中混沌跳频序列的优选与仿真
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The late Quaternary loess strata and environmental change in northwest of China
西北地区晚第四纪黄土地层与环境
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New progress in Quaternary study in HUKOU-PENGZE area , jiangxi Province
江西省湖口&彭泽地区第四系研究新进展
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Progress in geochemical research on the Loess and other Quaternary deposits in China
中国第四纪黄土地球化学研究进展
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And mainly for quaternary structure surface , many for brittle-ductile faults .
且主要为四级结构面，多为脆-韧性断层。
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Problem of the lower boundary of the quaternary
第四系下界问题
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Research on two buried quaternary faults in Shanghai
上海两条隐伏第四纪断裂的研究
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New studies in the Quaternary glaciation of eastern China
中国东部第四纪冰川地质的新研究
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Study on Rehabilitating Forest Model and Soil Restoration on Degraded Quaternary Red Soil
退化第四纪红粘土重建森林模式及其土壤恢复研究
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Synthesis of Quaternary Ammonium Salt Surfactants and Determination of Their Physical Chemical Properties
季铵盐型表面活性剂的合成及物化性能测定
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Uranium series dating technique is the important means of Quaternary chronology .
铀系不平衡定年技术是第四纪年轻年代学的重要定年手段。
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Environment features of Yinchuan Basin in Late Quaternary Period
银川盆地晚第四纪环境特征
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Factors affecting stability and antibacterial properties of quaternary ammonium sol
季铵化溶胶稳定性影响因素及其抗菌性能
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Quaternary environmental evolution and desertification in North China
第四纪环境演变与中国北方的荒漠化
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The division of the Quaternary System of Wuhan
武汉市第四纪地层的划分
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The washing characteristics of anionic nutrients from Quaternary Red Soil
阴离子态养分从第四纪红壤中的淋失特征
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Research and contention on the Quaternary glaciation problem of East China during last 50 years
五十年来中国东部第四纪冰川问题的研究及其争论
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Principle of Quaternary sediment natural thermoluminescence survey for prospecting oil reservoir and its application
第四纪沉积物天然热释光测量勘查深部油气藏的方法原理及应用
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Characterization of the Disinfection Process Using Quaternary Ammonium Salts Grafted Cellulose Fiber
表面接枝季铵盐型高分子材料抗菌过程的特性研究