海洋沉积物中浮游生物的这种变化标志着白垩纪和第三纪的分界线。
This change in plankton found in marine deposits is what marks the boundary between the Cretaceous and the Tertiary.
相比于大陆冰川沉积物,海洋沉积物提供了更完整的更新世时期的地质记录。
Ocean sediments presented a much more complete geologic record of the Pleistocene than continental glacial deposits did.
数百万年后,强大的地质力量,比如海底火山,会掀起海洋沉积物,形成新的陆地。
After millions of years, powerful geological forces, like underwater volcanoes lift up the ocean sediments to form new land.
在正常的水相中,残留的磷会自己移动,沉淀到海洋底部,并混合到海洋沉积物中。
In the normal water phase, the remaining Phosphorus makes its way, settles to the bottom of the ocean, and gets mixed into ocean sediments.
世界上大多数的海洋沉积物不是含有浮游生物就是含有大量的蕨类孢子,但它们并不是同时存在于同一层中。
Most marine deposits from around the world contain either plankton or a lot of fern spores but not both together in the same layer.
在更新世和更早的海洋沉积物中埋藏的化石生物属于孔虫类生物,它们是微小的单细胞海洋生物,其分泌的硬壳由碳酸钙和方解石组成。
The fossils buried in Pleistocene and earlier ocean sediments were of foraminifera—small, single-celled marine organisms that secrete shells of calcium carbonate, or calcite.
石油由原油和天然气组成,它们似乎来源于海洋沉积物中的有机物质。
Petroleum, consisting of crude oil and natural gas, seems to originate from organic matter in marine sediment.
在20世纪后期,地质学家和海洋学家在研究海洋沉积物时发现了能够证明海洋变暖和变冷的化石,并修正了这一观点。
This idea was modified in the late twentieth century, when geologists and oceanographers examining oceanic sediment found fossil evidence of warming and cooling of the oceans.
对海洋沉积物的前处理方法进行了比较研究。
This paper makes a comparative study on the pretreatment methods of sediments of lakes and seas.
重金属污染是海洋沉积物污染的一个重要方面。
Heavy metals in Marine sediments can cause many serious pollution problems.
一个令人惊奇的发现,深海下的极热熔岩会把海洋沉积物烤干同时释放出温室气体。
In a surprise finding, undersea hot lava is baking ocean sediments and releasing greenhouse gases. By Larry o 'hanlon.
一个深海火山喷发出熔岩,研究表明来自火山灰的熔岩烘烤海洋沉积物同时会释放温室气体。
EnlargeA deep-sea volcano spews lava. Research shows lava from such eruptions end up baking ocean sediment and releasing greenhouse gases.
海洋沉积物已经成为海洋水体环境中持久性的、有毒的化学污染物的主要存贮地。
In a word, marine sediments has become the main reservoir of persistent and poison chemical pollutants in marine environment.
洋脊的形成主要是由于从澳大利亚板块顶端刮落的海洋沉积物,在巽他板块的前端表面堆积起来了;
The ridge is formed primarily from marine sediments scraped off the top of the Australia plate and piled up on top of the leading edge of the Sunda Plate.
化学治理技术中,较详细介绍了壳聚糖在治理海洋沉积物中重金属污染的潜在应用价值。
And in the chemical control, the potential application of Chitosan in prevention of heavy metal pollution in Marine sediments was introduced in detail.
本文介绍了硼氢化钾还原氢化法—原子吸收快速测定海洋沉积物和悬浮物中痕量砷的方法。
A method for rapid determination of Arsenic in Marine sediments and suspended matters by hydride generation and atomic absorption spectrophotometer is described.
海洋沉积物的物质来源的定量、半定量研究,是海洋沉积学的重要课题之一,也是难题之一。
The quantitation and semi quantitation study of the material sources of Marine sediments is one of the important question for study in Marine sedimentology.
评价区各站位海洋沉积物中有机碳、石油类和硫化物均符合第一类海洋沉积物评价标准要求。
Organic carbon, petroleum and sulpHide accord with the first type Marine sedimentary evaluation criterion request in the Marine sedimentary in every station location of appraising area.
同时结合现代生物修复和化学治理技术,提出一些预防和治理海洋沉积物中重金属污染方面的设想。
According to modern bio-mediation and chemical control technologies, some tentative plans to prevent or reduce the concentrations of heavy metals.
虽然本文实验中使用的材料与实际的海洋沉积物存在差别,但是得到的实验结果仍具有一定的指导意义。
Although the physical characteristics of experimental materials are different from them of actual Marine sediments, the experimental results can direct practical application in some sense.
通过室内模拟实验研究了氟苯尼考对海洋沉积物中硝酸盐还原酶、亚硝酸盐还原酶、碱性磷酸酶活性的影响。
Effects of florfenicol on the activities of nitrate reductase, nitrite reductase and alkaline phosphatase in marine sediment were studied in laboratory by simulation experiment.
采用带六极杆碰撞池技术(CCT)的电感耦合等离子体质谱(ICP - MS)测定了海洋沉积物中的钒和铬。
Inductively coupled plasma mass spectrometry (ICP-MS) with hexapole collision cell technology (CCT) was applied to the determination of vanadium and chromium in Marine sediments.
为了实现这一点,研究者必需通过海洋中不同地区的珊瑚礁和海洋沉积物继续重现海洋过去的温度,以此帮助气候模型更好地运作。
To do that, researchers need to continue reconstructing past ocean temperatures using coral reefs and ocean sediments in different parts of the ocean to help models do a better job.
针对海洋沉积环境样品DNA提取中的腐殖酸去除难题,采取先脱除腐殖酸再提取DNA的策略,进行了海洋沉积物dna提取前的简易脱腐方法研究。
A strategy of removing humic acids (HAs) prior to DNA extraction was conducted to resolve the problem of removing HAs from Marine sediments in DNA extraction.
我国对黄土、湖泊沉积物、冰心、海洋沉积物等信息载体的研究已取得了大量的成果,但仍存在分辨率不高、研究区域分布不均、系统研究不够等问题。
Based on the studies on the loess, the lake deposits, the ice cores, the Marine sediments and the cave sediments, some important results have been got in China.
虽然大多数化石是在海洋沉积岩中发现的,但它们也存在于河流和湖泊所留下的陆地沉积物中。
Although most fossils are found in marine sedimentary rocks, they also are found in terrestrial deposits left by streams and lakes.
虽然大多数化石是在海洋沉积岩中发现的,但它们也存在于河流和湖泊所留下的陆地沉积物中。
Although most fossils are found in marine sedimentary rocks, they also are found in terrestrial deposits left by streams and lakes.
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