conodont

n.
牙形刺,牙形石;
英英释义
conodont[ 'kəunə,dɔnt ]
n.
the tiny fossil cone-shaped tooth of a primitive vertebrate of order Conodonta
small (2 inches long) extinct eellike fish with a finned tail and a notochord and having cone-shaped teeth containing cellular bone; late Cambrian to late Triassic; possible predecessor of the cyclostomes
双语例句
用作名词(n.)
The Silurian strata containing abundant conodont fossils are well developed and comformable with the overlying Devonian strata in the Baizitian region, northern Yanbian, Sichuan.
四川省盐边县北部稗子田地区的志留系发育良好,牙形刺化石极为丰富,与上覆泥盆系连续沉积,并呈整合接触。
权威例句
The conodont animalConodont affinity and chordate phylogeny
Conodont color alteration-an index to organic metamorphism
The Late Devonian Standard Conodont Zonation
Conodont diversity and evolution through the latest Permian and Early Triassic upheavals
Restudy of conodont zonation and evolution across the P/T boundary at Meishan section, Changxing, Zhejiang, China
Conodont color and textural alteration: An index to regional metamorphism, contact metamorphism, and hydrothermal alteration
New species of the conodont Genus Hindeodus and the conodont biostratigraphy of the Permian–Triassic boundary interval
The structure of some Middle Cambrian conodonts, and the early evolution of conodont structure and function
Did cooling oceans trigger Ordovician biodiversification? Evidence from conodont thermometry.
1. Three prosperous periods of conodont have relation to Palaeomagnetism Reversal.
牙形石的三个繁盛期与古地磁极性倒转有关。
dict.cnki.net
2. The soft anatomy of conodont shows some soft tissues including eyes, notochord, nerve cord, myomeres and caudal fin.
英国古生物学家们通过牙形石动物的软体解剖学研究,发现眼睛、脊索、神经索、肌肉组织、尾鳍等软组织;
dict.cnki.net
3. Based on an analysis of the conodont biofacies, it is inferred that there was probably a deep-sea basin facies sedimentary environment in the Wenguer area during the early Middle Permian.
通过牙形石生物相分析,推断温古尔地区中二叠世早期可能为盆地相较深水沉积环境。
dict.cnki.net
4. Three failing periods of conodont are influenced by two ice ages, five sea-level changes and rainfalls in the geological history time.
三个衰退期受到地史时期中的二大冰期,五次海平面变化和大气降雨量的影响。
dict.cnki.net
5. The content of this text is studying evolutive degree of the source rock of the upper Sinian and the Paleozoic group mainly by vitrinite, pyrogenation, conodont and sporopollen.
以镜质体反射率、热解、牙形刺、孢粉作为划分的主要依据,研究了金衢盆地上震旦统和古生界烃源岩的演化程度。
www.nggs.ac.cn
6. In the 1980s, however, paleontologists found full fossilized conodont specimens, and only recently have scientists begun to unravel their secrets.
不过,在 20世纪80 年代,古生物学者发现了完整的牙形刺化石标本,而直到最近科学家们才开始揭露出它们的秘密。
article.yeeyan.org
7. We also concisely described the characteristics of the conodont fauna through the boundary strata.
本文对深海硅质岩系中这一界线地层牙形石动物群特征进行了简要的描述。
dict.cnki.net
8. Based on palaeomagnetic data and tectonic analysis, the present authors concluded that this conodont fauna were from Permian Northern Temperate Zones.
结合古地磁和构造地质资料分析,作者认为范家屯组中的牙形刺动物群生活于二叠纪北温带温凉的水域。
dict.cnki.net
9. Protoconodonts and conodont-like microfossils are characteristic components in the early Cambrian skeletal faunas.
原牙形类和牙形状化石是早寒武世微小骨骼化石中非常特征的一个类群。
www.dictall.com
10. Conodont color alteration index;
牙形石色变指标;
chazidian.com
11. By systematic study on some categories of biotic fossils discovered in the carboniferous strata of Laiwu coal field, the assemblage of Fusulinida and conodont of this area is established.
通过对莱芜煤田石炭系多门类化石的研究 ,建立了本区石炭系蜓及牙形刺组合带 ,在此基础上对其地层层序及生物地层的划分和石炭二叠系界线的确定进行了讨论。
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12. Main production suitable for all kinds of electric bicycle, tricycles, use of lead-acid battery, its products conodont and midfielder two brands.
主要生产适合各种电动自行车、三轮车使用的铅酸、胶体蓄电池,旗下产品分武世、悍将两个品牌。
www.wushidianchi.com
13. Forty eight characteristic species belonging to 27 genera are described herein, and 4 new conodont species are established.
本文系统描述了其中对生物地层划分有重要意义的27属48个牙形石关键种,建立了4个新种。
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14. Forty eight characteristic species belonging to 27 genera are described herein, and 4 new conodont species are established.
本文系统描述了其中对生物地层划分有重要意义的27属48个牙形石关键种,建立了4个新种。
www.say666.com
15. simple cone conodont
单锥牙形石
-- 来源 -- 英汉 - 翻译参考[网络]
16. compound conodont
复合牙形石
-- 来源 -- 英汉 - 翻译参考[网络]
17. fibrous conodont
纤维牙形石
-- 来源 -- 英汉 - 翻译参考[网络]
18. conodont animal
牙形动物
-- 来源 -- 英汉 - 翻译参考[网络]
19. reworked conodont
再沉积牙形石
-- 来源 -- 英汉 - 翻译参考[网络]
20. conodont assemblage
牙形石集合
-- 来源 -- 英汉 - 翻译参考[网络]
21. platform conodont
平台型牙形石
-- 来源 -- 英汉 - 翻译参考[网络]
22. conodont paleoecology
牙形石古生态学
-- 来源 -- 英汉 - 翻译参考[网络]
23. MEI Shi-long,1991.Middle and Late Cambrian conodont and trilobite biostratigraphy in Wanxian,Hebei.Unpublished Ph.D thesis of Peking University.
武桂春,2003.鲁西地区晚寒武世牙形石.北京大学博士研究生学位论文.
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conodont




