Foraminifera
- 1. The foraminifera in the core samples were most abundant after 1950, when farmers began using some fertilizer, which is rich in nutrients.
- 核心样本中的有孔虫在1950年之后最多,当时农民开始使用一些营养丰富的肥料。
youdao
- 2. 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.
- 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。
youdao
- 3. Different types of foraminifera thrive at different temperatures.
- 不同种类的有孔虫在不同温度下繁殖。
youdao
- 4. But these shells are absent from the foraminifera found in Challenger Deep.
- 但是在查林杰海渊发现的这些有孔虫却没有这种甲壳。
youdao
- 5. This fauna is associated with Foraminifera, sponge spicules and Brachiopoda et al.
- 伴生生物有有孔虫、海绵骨针、腕足动物等。
youdao
- 6. Following the event, larger benthic foraminifera began to recover with the average rate of 75%.
- 界线之上开始出现复苏,底栖大有孔虫的平均新生率为75%。
youdao
- 7. These foraminifera were roughly 200 to 350 microns large, or a fifth to a third of a millimeter long.
- 这些有孔虫大约有200至350微米大,或者一毫米的五分之一到三分之一长。
youdao
- 8. As such, these puny foraminifera serve as very distinct tags of when the K-T extinction event started.
- 因此,当K-T灭绝事件开始时这些微小的有孔虫充当十分鲜明的标签。
youdao
- 9. Specifically, they looked at the remains of microscopic shell-forming organisms known as foraminifera.
- 具体而言,他们看到了微壳形成的被称为有孔虫的生物体遗体。
youdao
- 10. Also, the environmental factors influencing foraminifera composition have been discussed in this thesis.
- 讨论了环境参数对有孔虫的影响。
youdao
- 11. These skeletal remains from creatures such as molluscs, crustacean and foraminifera create a pearly white sand beach.
- 海洋生物的骨骼残骸,比如软体动物、甲壳纲动物、有孔虫类使得海滩成为珍珠的白色。
youdao
- 12. The record keepers are foraminifera - "forams" for short - creatures so small that several could sit together on a pinhead.
- 记录的保管者是有孔虫类-简称“有孔虫”-它非常小,小到几个有孔虫可以一起坐在针尖上。
youdao
- 13. Chalk particles, which contained the microfossils of foraminifera, were used in some of Yoro ancient potteries as a granular admixture.
- 发现约罗有些古陶使用合古生物微体化石有孔虫的白垩粗颗粒为掺和料。
youdao
- 14. The fossils of algae, ostracoda, foraminifera, gastropod and polychaeta were found in the tertiary carbonate beds in the west of chaidamu basin.
- 摘要柴达木盆地西部第三系的碳酸盐岩层中发现有藻类、介形虫、有孔虫、腹足类、多毛类等化石。
youdao
- 15. The presence of the "Marine" Dinophyceae, foraminifera and calcareous ultramicrofossils are attributed to the salinized lakes and abundant nutrients.
- 出现有“海相”沟鞭藻、有孔虫和钙质超微化石是由于当时湖泊咸化及富养料造成的。
youdao
- 16. The foraminifera that followed were extremely tiny, one-twentieth the size of the species before, with absolutely no ornamentation, just a few chambers.
- 随后的有孔虫极其微小的,是之前物种的二十分之一大小,绝对没有任何装饰,只是数个室“ 。
youdao
- 17. That steady accumulation of muck traps tiny organisms called foraminifera, plant matter and other substances that form a natural record of sea level rise.
- 那些污泥坑中被称之为有孔虫的微小生物以及一些植物等其他物质不断堆积,形成了对海平面上升情况的自然记录。
youdao
- 18. The scientists began decoding that record by mapping the distribution of different foraminifera species -- or "forams" -- at 10 North Carolina marsh sites.
- 科学家们则通过对10处盐沼中不同种类有孔虫的分布情况进行绘图,从而对这一记录进行破解。
youdao
- 19. Besides other fragments of hemoglobin and other similar compound coming from the blood of animals, such as foraminifera, minute crustaceans and small worms.
- 此外还有其它一些来自动物血液的化合物碎片,诸如有孔虫、微小甲壳动物和微小蠕虫类。
youdao
- 20. Rising carbon dioxide levels acidify the ocean, which has a particularly devastating effect on organisms that have calcium carbonate shells, like Foraminifera.
- 二氧化碳含量上升致使海洋酸化,对像有孔虫这样有碳酸钙外壳的生物体所产生的影响尤为致命。
youdao
- 21. Kitazato's group speculates that soft foraminifera thrive in the Mariana mud because they are among the few creatures that can withstand the huge pressures there.
- 北里洋的研究小组推测软壳有孔虫之所以在马里·亚纳海沟的泥里能够兴旺发达是因为它们是为数不多的能够抵挡那儿如此巨大压力的生物。
youdao
- 22. The main factors controlling the distribution of foraminifera in the area are dissolution of deep-sea carbonate, water masses, sea-floor relief and relict sediment.
- 控制本区有孔虫分布的主要因素是深海碳酸盐溶解作用、水团、海底地形以及残留沉积。
youdao
- 23. A shallow water smaller foraminifera fauna is studied from limestone intercalations of the upper Permian chert from Liuqiao area, Guangxi Zhuang Autonomous Region, China.
- 本文研究了广西扶绥县柳桥地区二叠纪末期的浅水相小有孔虫动物群。
youdao
- 24. "Before the mass extinction, most of the foraminifera species were comparatively large, very flamboyant, very specialized, very ornate, with many Chambers," Keller explained.
- “大灭绝之前,大部份的有孔虫物种相当大,非常艳丽,非常分化,非常华丽,有许多小室,”凯勒解释道。
youdao
- 25. According to the analysis, PETM event caused seawater temperature rising and environment change during a short time, larger benthic foraminifera cannot fit for it and begin to extinct.
- 据分析,PETM事件的发生造成海水温度的快速上升,底栖大有孔虫不能适应新的环境,从而发生灭绝。
youdao
- 26. The benthic extinction event (BEE) and larger foraminifera turnover (LFT) during the Paleocene-Eocene transition constitutes an important step in Paleogene larger-foraminifera evolution.
- 该时期的底栖大有孔虫的绝灭(BEE)以及演替(LFT)在古近纪底栖大有孔虫演化过程中起着非常重要的作用。
youdao
- 27. The genus and species identification and 14c dating have been made for oyster seashell, and the analysis of grain-size, minerals, foraminifera and small seashell in fillers have also been made.
- 对牡蛎礁贝壳属种做了鉴定和14测年,对牡蛎礁充填物做了粒度分析、矿物分析、有孔虫分c析、幼体贝壳分析。
youdao
- 28. The black unit including a biotic extinction was caused by oceanic anoxic event. Crisis that deepwater keeled foraminifera encountered represents a ferocious anoxia in deep marine environment .
- 黑层段是大洋缺氧造成的结果,生物大量灭绝,深层水具旋脊有孔虫的所遭受的危机反映出当时海洋深层水体严重缺氧的特征;
youdao
- 29. The black unit including a biotic extinction was caused by oceanic anoxic event. Crisis that deepwater keeled foraminifera encountered represents a ferocious anoxia in deep marine environment .
- 黑层段是大洋缺氧造成的结果,生物大量灭绝,深层水具旋脊有孔虫的所遭受的危机反映出当时海洋深层水体严重缺氧的特征;
youdao