化石的
- 与 化石的 相关的网络例句 [注:此内容来源于网络,仅供参考]
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A store Peking Man site locates the southwest building in Peking City mountain area a store main beam of boat mountain north, ising a material to enrich most in the world, most the human site of the earlier period in system, year in age.1921 In stone in old in and in worthy in most in the to 1927, the archeologist discovers outside" Peking Man" cave site three times successively three human tooths fossil,1929, discovers again Peking Man skull fossil, and artificial creation of tool with use the fire historic relic, the important cist that to become to frighten the world detection.A year a store site still discovers to be apart from to invite now summit of hill hole person's fossil a thousand yearseses ago with culture keepsake.
周口店北京人遗址位于北京市西南房山区周口店镇龙骨山北部,是世界上材料最丰富、最系统、最有价值的旧石器时代早期的人类遗址。1921年至1927年,考古学家先后三次在"北京人"洞穴遗址外发现三枚人类牙齿化石,1929年,又发现了北京人头盖骨化石,以及人工制作的工具和用火遗迹,遂成为震惊世界的重大考古发现。1930年在周口店遗址还发现距今约2万年前的山顶洞人化石和文化遗物。
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The study has shown:(1) With increasing sediment depth and the woody giblets, the total organic carbon, the extraction of benzene , the total humic acids and the unhydrolyte are enhanced, while the hydrolyte is decreasing.(2) According to the GC-MS analysis, n-alkane,n-alkan-2-ones and n-alkanones are composed mainly of long-chains,such a result is thought to be characteristic of a herbaceous input from 2300a.B.P. n-alkanones exist in the samples may be considered as the evidence of microorganisms activity.(3) It is showed that the lipids is more sensitive to the climate change than the floristic. The proxy of the pollen spore of the peat stratum is different from the normal environment proxy. It is one of the main reasons that the sensitivity difference of the bog vegetation reacting to the climate isn't accordant with the log of the fat molecule fossil and biology fossil.(4) The transformation of the peat organic carbon is under the influence of temperature,acidity,organic material constituting, etc, and it showed the up-trend with the depth. In the short-term scale, the conversion of the peat organic carbon is effected by seasonal water,regional climate and vegetations; while in the long-term scale, it is controlled mainly by the climate.(5) According to the comparing the orderliness of organic compound,vegetation giblets with the depth to the characteristics of the peat molecule fossil with the section, in the development of this peatmire, 1500a B.P(210cm)is regard as the borderline of the late Holocene, the keynote of the front period is warm with several cold fluctuations, and the trend of the back period is dry and cold although there were several fluctuations.
研究表明:(1)随深度的增高及植物残体中木本残体的增多,总有机碳、苯萃取物、总腐植酸、不被水解物含量逐渐增高,而易水解物含量减少;(2)GC- MS分析显示,正构烷烃,直链烷基2-酮和正烷醇均以长链组分为主,揭示了该泥炭柱剖面2347a.B.P的母源输入以草本植物为主;甲基酮类和短链正烷醇的存在是微生物活性很大的生物证据;(3)通过有机分子标志物与孢粉、植物残体等指标的对比研究表明:脂类化合物对气候变化的反映要比植物种灵敏得多,不同沼泽植物对气候变化的敏感性的差异是脂类分子化石记录与生物大化石结果很难一致的主要原因之一;(4)泥炭有机碳的转化受到温度、酸度、有机物质组成等很多因素的影响,短时间尺度,泥炭有机碳的转化受季节性降水、地方气候和植被等因素的影响;长时间尺度,泥炭地有机碳的转化,受气候条件控制;(5)总结泥炭分子化石特征、泥炭有机质各组分含量及植物残体组成随深度的变异规律,分析结果显示该泥炭地层形成过程中,1500a B.P(210cm)可作为划分前后晚全新世的界线,前期的基调是气候偏暖,但又有几次偏干冷气候的反复,后期气候以干冷为主,其间虽有几次上升波动,但整体趋势不变。
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Darwin borrowed Charles Lyell's argument in Principles of Geology that the record is extremely imperfect as fossilisation is a very rare occurrence, spread over vast periods of time; since few areas had been geologically explored, there could only be fragmentary knowledge of geological formations, and fossil collections were very poor.
达尔文借用查尔斯·莱尔在《地质学原理》中的论点,认为化石档案是非常不完善的;化石作用发生非常罕见,散布在非常长的一段时间;因经过地质学考察的地区很少,只能有零碎的地质构造知识和贫乏的化石收藏。
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Research of this area was focused on the relation of sedimentary basin stratigraphy and fossil egg succession in the sediments. Studies on pterosaur embryo contained in fossil egg; the first attempt to get DNA from fossil eggs by using molecular biology method are examples of this progress.
这期间的研究更注重于解决盆地地层与蛋化石演化序列间的联系;开展了翼龙化石胚胎学研究;通过分子古生物学分析,尝试了获取古代DNA的方法;河南西峡恐龙蛋化石博物馆的建立,成为展示这一阶段进展的突出标志。
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Important advance are made in the date of slices and superslices:(1) Abundant acritarch and a few radiolarian fossils are collected in the "barren strata" formed by epi-middle metamorphic slices at Gouli, Longshigenggongwu, thus provide data evidence for this set of strata. A series of isotopic dating data (14) showed that the date are between 1 000 Ma and 500 Ma, close to that of the fossils.
在岩片和超岩片时态调查方面取得如下重要进展:(1)在沟里、龙什更公坞等地区的由中浅变质岩岩片构成的"哑地层"中获取较丰富的疑源类和少量放射虫化石,使该套地层从化石方面首次获得了确切的时代证据,并新获一大批同位素年龄数据(14个),年龄值主要分布在1000—500Ma之间,化石时代与同位素测年吻合较好。
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This is the home page of International Organisation of Palaeobotany. It manages the Plant Fossil Record database. The version, PFR2.2, has descriptive details of most plant fossil genera and of those modern genera which have fossil species.
这是国际古植物学组织的主页,该组织管理着植物化石记录数据库,该库的2.2版提供了许多植物的化石属和一些现代属的化石种详细记录。
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Fossils on the cliff have displayed the local history environment of the earth. Fossils and relics of the premious animals and the local rainforest are still in the place without any damage.
化石崖壁上的有3亿年历史的96类共148种化石,还有20处足迹群,极早期动物及其所生活的雨林的化石和遗迹,都在原处未动,完好无损且没有受到任何干扰。
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The authors reinvestigated the im-portant sections and fossil sites and collected macrofossils respectively from "Houjiashan Biota" in Jiangchuan, Yunnan Province, and "Wenghui Biota" in Jiangkou, Guizhou Province. On the basis of the above study and other latest research advancements, the authors integrated and synthesized the macrofossil features and assemblages of the Upper Neoproterozoic strata in South China and brought forward the biostratigraphic successions as well.
本项研究重新考察了部分重要的标准剖面和化石点,重点采集了近年来开始研究的云南&江川生物群&,贵州江口&翁会生物群&的宏体化石,在总结了前人研究成果的基础上,集成了最新的研究进展,综合记录了华南晚新元古代地层中的宏体化石特征,组合面貌,据此提出了华南晚新元古代生物地层序列。
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A store Peking Man site locates the southwest building in Peking City mountain area a store main beam of boat mountain north, ising a material to enrich most in the world, most the human site of the earlier period in system, year in age.1921 In stone in old in and in worthy in most in the to 1927, the archeologist discovers outside" Peking Man" cave site three times successively three human tooths fossil,1929, discovers again Peking Man skull fossil, and artificial creation of tool with use the fire historic relic, the important cist that to become to frighten the world detection.A year a store site still discovers to be apart from to invite now summit of hill hole person's fossil a thousand yearseses ago with culture keepsake.
周口店北京人遗址位于北京市西南房山区周口店镇龙骨山北部,是世界上材料最丰富、最系统、最有价值的旧石器时代早期的人类遗址。1921年至1927年,考古学家先后三次在&北京人&洞穴遗址外发现三枚人类牙齿化石,1929年,又发现了北京人头盖骨化石,以及人工制作的工具和用火遗迹,遂成为震惊世界的重大考古发现。1930年在周口店遗址还发现距今约2万年前的山顶洞人化石和文化遗物。
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The carbon dioxide produces the main way is fossil fuel massive burning, now mainly through enhances the fossil fuel the energy use factor, the use low-carbon or the non-carbon emerging energy took the fossil fuel the substitute, as well as the carbon dioxide collection and the storage realize the carbon dioxide to reduce the platoon.
二氧化碳产生的主要途径是化石燃料的大量燃烧,现在主要通过提高化石燃料的能源利用率,使用低碳或无碳的新兴能源作为化石燃料的替代品,以及二氧化碳的收集和储存来实现二氧化碳的减排。
- 推荐网络例句
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Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.
在对危险的南部地区访问时,他斥责什叶派民兵领导人对中央集权的挑衅行为。
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In fact,I've got him on the satellite mobile right now.
实际上 我们已接通卫星可视电话了
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The enrich the peopling of Deng Xiaoping of century great person thought, it is the main component in system of theory of Deng Xiaoping economy, it is a when our country economy builds basic task important facet.
世纪伟人邓小平的富民思想,是邓小平经济理论体系中的重要组成部分,是我国经济建设根本任务的一个重要方面。