• Design of quaternary Schmitt circuits.

    值施密特电路设计

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  • We know little of a quaternary compound.

    我们元化合物了解得很少

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  • The Quaternary sediments are largely undeformed.

    第四纪沉积物大部分未变形

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  • In Quaternary, some faults showed a right-handed slipping.

    部分断裂到第四纪表现右行走滑。

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  • Review and prospects of Quaternary Glaciation research in China.

    中国第四纪冰川研究回顾展望

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  • Most Quaternary saline lakes occur in West and Northeast China.

    第四纪盐湖主要分布我国西部东北部。

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  • The activity of igneous rocks mainly concentrates in Neogene and Quaternary.

    火成岩活动主要集中晚第三纪第四纪

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  • The Cenozoic era is composed of tertiary period followed by quaternary period.

    新生代第三纪第四纪组成

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  • The Quaternary glaciation started just a few million years agoand is still going on.

    第四纪始于几百万以前,并延续到现在。

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  • Maodong Canyon, the typical karst landform, is the relics of the quaternary glacier.

    卯洞第四纪冰川遗址典型喀斯特地貌

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  • The middle segment controls Quaternary basins and shows activity in late Quaternary.

    中段控制第四纪盆地具有第四纪活动性。

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  • Position quaternary predicate shape, edit reading, connect roles, and add constraints.

    定位四元谓词形状编辑读数连接角色添加约束。

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  • The steady (subsidence) stage of the Quaternary was the period of biogas accumulation.

    第四纪盆地稳定沉降阶段生物气聚集成藏时期

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  • This method does not produce or require the handling of corrosive quaternary ammonium hydroxides.

    方法产生不要求处理腐蚀性氢氧化物

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  • Four new types of organic siloxane surfactants with quaternary ammonium group have been obtained.

    通过多步骤合成了含有有机表面活性剂

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  • There are a small number of Quaternary dormant volcanic groups in China, lava landscape rich and unique.

    这里中国为数不多第四纪休眠火山溶岩景观丰富奇特。

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  • A great many proteins, especially enzymes, are oligomeric and consequently possess quaternary structure.

    很多蛋白质尤其是酶类低聚物因此拥有四级结构

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  • Evolution of desert is one of important aspect of Quaternary paleoclimate and paleoenvironment research.

    沙漠形成演化第四纪古气候、环境研究重要内容之一

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  • The orebody occurred below Quaternary, mineralization is closely related to tectonic activity and alteration.

    矿体赋存于第四系之下,矿化构造活动蚀变密切相关。

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  • The formation and evolution of Quaternary natural environment is the key link of Quaternary geological study.

    第四纪自然环境形成演变第四纪地质研究中心环节

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  • It's evident that the ice sheets have gone through multiple stages of growth and retreat over the course of the Quaternary.

    明显,在第四纪冰层经历生长消融多个阶段

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  • Montmorillonite was ion exchanged with quaternary ammonium salt, which was intercalated into the crystal layers of MMT.

    长链铵盐脱土进行离子交换反应,季铵盐嵌入到蒙脱土间。

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  • The natural thermoluminescence in Quaternary sediment has stored accumulated irradiated dose since the sediment deposited.

    第四纪沉积物天然热释光中储存自沉积以来累积辐射剂量

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  • "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.

    指出:“标志着接下来长一段时间内我们将转向如何处理第四纪灭绝。”

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  • The cool temperatures of the Quaternary may have allowed our brains to become much larger than those of our of hominid ancestors.

    第四纪凉爽气温或许我们大脑人类远祖的大脑大。

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  • In their study, the scientists looked at quaternary ammonium compounds (QACs) that are used in many household cleaning goods.

    他们的研究中,科学家验证了许多家居清洁产品使用季铵盐化合物

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  • In their study, the scientists looked at quaternary ammonium compounds (QACs) that are used in many household cleaning goods.

    他们的研究中,科学家验证了许多家居清洁产品使用季铵盐化合物

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