quaternary

quaternary，英語單詞，主要用作形容詞、名詞。作形容詞時意為“四進制的；四個一組的”，作名詞時意為“四；四個一組”等。

基本介紹

• 外文名：quaternary
• 詞性：形容詞、名詞
• 英式音標：[kwəˈtɜːn(ə)rɪ]
• 美式音標：[kwəˈtɜːrnəri]

單詞釋義

英 [kwəˈtɜːn(ə)rɪ] 美 [kwəˈtɜːrnəri]

adj. [數] 四進制的；四個一組的

n. 四；四個一組

[ 複數 quaternaries ]

短語搭配

quaternary ammonium [石油]季銨；[生物]四級銨

quaternary ammonium salt 季銨鹽

quaternary period 第四紀

quaternary system 四進制，四元系統

quaternary geology 第四紀地質學

quaternary structure 四級結構

quaternary ammonium compound 季銨化合物

雙語例句

• Design of quaternary Schmitt circuits. 四值施密特電路設計。
• We know little of a quaternary compound. 我們對四元化合物了解得很少。
• The Quaternary sediments are largely undeformed. 第四紀的沉積物大部分未變形。
• In Quaternary, some faults showed a right-handed slipping. 部分斷裂到第四紀表現為右行走滑。
• Review and prospects of Quaternary Glaciation research in China. 中國第四紀冰川研究的回顧與展望。
• Most Quaternary saline lakes occur in West and Northeast China. 第四紀鹽湖主要分布於我國西部和東北部。
• The activity of igneous rocks mainly concentrates in Neogene and Quaternary. 火成岩活動主要集中在晚第三紀和第四紀。
• The Cenozoic era is composed of tertiary period followed by quaternary period. 新生代是由第三紀和第四紀組成的。
• The Quaternary glaciation started just a few million years ago – and is still going on. 第四紀始於幾百萬年以前，並延續到現在。
• Maodong Canyon, the typical karst landform, is the relics of the quaternary glacier. 卯洞峽是第四紀冰川遺址，典型的喀斯特地貌。
• The middle segment controls Quaternary basins and shows activity in late Quaternary. 中段控制第四紀盆地，並具有晚第四紀活動性。
• Position quaternary predicate shape, edit reading, connect roles, and add constraints. 定位四元謂詞形狀、編輯讀數、連線角色和添加約束。
• The steady (subsidence) stage of the Quaternary was the period of biogas accumulation. 第四紀盆地穩定沉降階段為生物氣聚集成藏時期。
• This method does not produce or require the handling of corrosive quaternary ammonium hydroxides. 這一方法不產生或不要求處理腐蝕性的季銨氫氧化物。
• Four new types of organic siloxane surfactants with quaternary ammonium group have been obtained. 通過多步驟合成了四種含有季銨基的有機矽表面活性劑。
• There are a small number of Quaternary dormant volcanic groups in China, lava landscape rich and unique. 這裡有中國為數不多的第四紀休眠火山群，溶岩景觀豐富奇特。
• A great many proteins, especially enzymes, are oligomeric and consequently possess quaternary structure. 很多蛋白質尤其是酶類，是低聚物，因此擁有四級結構。
• Evolution of desert is one of important aspect of Quaternary paleoclimate and paleoenvironment research. 沙漠形成演化是第四紀古氣候、古環境研究的重要內容之一。
• The orebody occurred below Quaternary, mineralization is closely related to tectonic activity and alteration. 礦體賦存於第四系之下，礦化與構造活動及蝕變密切相關。
• The formation and evolution of Quaternary natural environment is the key link of Quaternary geological study. 第四紀自然環境的形成和演變是第四紀地質史研究的中心環節。
• It's evident that the ice sheets have gone through multiple stages of growth and retreat over the course of the Quaternary. 很明顯，在第四紀，冰層已經歷過生長和消融的多個階段。
• Montmorillonite was ion exchanged with quaternary ammonium salt, which was intercalated into the crystal layers of MMT. 用長鏈季銨鹽對蒙脫土進行離子交換反應，季銨鹽嵌入到蒙脫土的層間。
• The natural thermoluminescence in Quaternary sediment has stored accumulated irradiated dose since the sediment deposited. 第四紀沉積物的天然熱釋光中儲存有自沉積以來的累積輻射劑量。
• "It is a long time coming and marks a turning of the tide in how we approach these extinctions of the Late Quaternary," she says. 她指出：“這標誌著在接下來的很長一段時間內，我們將轉向如何處理晚第四紀的滅絕。”
• The cool temperatures of the Quaternary may have allowed our brains to become much larger than those of our of hominid ancestors. 第四紀的涼爽氣溫或許讓我們的大腦比人類遠祖的大腦更大。
• In their study, the scientists looked at quaternary ammonium compounds (QACs) that are used in many household cleaning goods. 在他們的研究中，科學家驗證了在許多家居清潔產品中使用的季銨鹽化合物。