查询词典 assemblages

On the basis of pollen analysis of surface sample in North China, polynomial function analysis method was applied to establish pollen climate response surface of Pinus, Betula, Quercus, Artemisia, Chenopodiaceae, Compositae, Picea, Ephedra, Gramineae in North China, therefore an easy and applicable method for reconstructing palaeoclimate and palaeoenvironment with data of fossil pollen was founded; Multi-analysis method was applied to analyse the principal elements of surface sample pollen in central Inner Mongolia Steppe, the assemblages of surface sample pollen in steppe area and its relationship with vegetation type were discussed with helps from spore-pollen analysis of a peat section in Chasuqi, Inner Mongolia and 〓C chronometer, fossil pollen data were obtained with high resolution on the peat section in Chasuqi. Vegetation succession and environmental changes since Holocene at resolution of 70 years were primarily reconstructed in south Mount Daqingshan and Plain Tumete. The changes in the area were copmared with those in the neighbouring areas during the same period. It was found that Holocene environmental change had undergone the following stages: cold-arid, temperate-wet, warm-wet, temperate-arid and cold-arid, and the climatical optimum period occurred in 5000-4100 aB.

本文在对中国北方表土花粉研究的基础上，采用多项式函数回归方法建造了中国北方松属、桦属、栎属、蒿属、藜科、菊科、云杉属、麻黄属、禾本科等的花粉——气候趋势面，从而为利用化石花粉资料直接恢复古气候、古环境提供了一种方便易行的方法；采用多元分析方法对内蒙古中部草原区表土花粉进行了主成分分析，探讨了草原区表土花粉组合的规律及与植被类型的关系；本文还应用孢粉分析方法，结合〓C测年技术，通过内蒙古中部察素齐泥炭剖面高分辨率的化石花粉数据，初步恢复了大青山山地南部及土默特平原地区分辨率为70年的全新世以来植被演替和环境变迁的状况，并与邻近地区的全新世古气候、古环境进行了对比研究，研究发现，本区域全新世古环境的变迁序列基本上可以与周围地区及华北地区进行对比，其环境变迁经历了凉干～温湿～暖湿～温干～凉干的变化，且气候最适宜期出现在5000～4100aB.P。

The spatial distribution pattern of the factors shows that distinct radiolarian assemblages are closely related to water mass, ocean current and hydrographic conditions.(4) The test of a new radiolarian-based transfer function to estimate mean-annual sea surface temperature and se

利用57个样品的统计数据，对估计表层海水年平均温度和其变化范围的放射虫转换函数（Pisias，1997）的检验结果表明，其估计误差为6℃，实际值与估计值的相关性差，可靠性低，不适合于本区使用。

Study on the lithology, pa-leoecology of radiolarian assemblages, REE geochemistry and sedimentary association of siliceous rocks in this orogenic belt has proved that the Jinsha River suture zone could not have formed the main suture zone in the Paleo-Tethys domain.

本文从岩性特征、放射虫生态组合特征、稀土元素地球化学特征以及沉积组合特征等方面对滇西北金沙江带硅质岩沉积环境进行了综合研究，据此认为金沙江缝合带不能构成古特提斯域的主缝合带。

In the early season treatments, the rotifer assemblages were more consistent in the presence of fish.

在早期季节中，轮虫群体是一致的在鱼类出现时。

Such eyeless trilobite assemblages are called atheloptic.

没有眼睛的三叶虫统称为Atheloptic。

Using the DG index to measure the diversity of soil invertebrate assemblages was more reasonable than Shannon-Wiener Diversity Index in this case because the Acarina predominated in the samples which covered up the information of other soil invertebrate taxa, while the DG index is proposed on base of the hypothesis that every species has equal independence and importance in the community and could be compared with inter-community.

在本研究中，应用密度类群指数分析土壤无脊椎动物多样性的结果比应用Shannon-Wiener多样性指数的结果更为理想，这是因为土壤无脊椎动物由于组成结构复杂，不同类群的个体数量往往存在着巨大的差异，例如蜱螨目的较大数量常掩盖了其它类群的重要信息，多样性指数不能体现这一情况，而密度类群指数是基于各物种在群落中都有同等独立性，宜在不同群落间进行同种类比较的假设，对于复杂的土壤节肢动物群落多样性的测定可获得比较贴切的结果。

Important spore and angiospermae pollen fossils such as Asterisporites,Cranwellia,Xinjiangpollis,Beaupreaidites and Quantonenpollenites have been obtained from the the upper part of the Member 4 of Quantou formation. They are Late Cretaceous in age. The reasonable geologic time of the upper Quantou formation may be later than Cenomanian deduced by the age of the upwards spore and angiospermae pollen fossils and the palynological assemblages.

根据泉四段顶部地层中一些具有重要时代意义的孢子和被子植物花粉化石Asterisporites，Cranwellia，Xinjiangpollis，Beaupreaidites，Quantonenpollenites等在世界各地的地史分布及与已知孢粉组合的比较，得出泉头组上部的地质时代可能不早于塞诺曼期。

The age of MORB-type metabasic volcanic rocks is(1462± 28) Ma using the SHRIMP zircon U-Pb method.The presence of MORB and IAT assemblages suggests the existence of an ocean basin in Yunkai area,Guangxi,southwestern South China Block during Grenvillian.They probably defined as a part of archipelagic ocean system before South China has formed unified Rodinia during the Grenvillian orogeny.Cathaysia block and Yangtze block have experienced continent-continent collision orogenics behind this ocean basin subducted,and have formed unified Rodinia.

MORB和 IAT组合的出现说明位于华南板块西南端的广西云开地区在 Grenville期可能存在过洋盆，它们很可能代表了 Grenville期造山作用形成统一的 Rodinia超级大陆以前的一个&多岛洋盆&系统，华夏古陆和扬子板块可能在该古洋盆于新元古代早期发生的全球性 Grenville期造山运动而发生消减消失后才开始碰撞和造山，形成统一的 Rodinia超级大陆。

The fossil assemblages of event layers were autochthonous or parautochthonous, and show no bioturbation after the burial.

4事件层内化石在埋藏前无搬运作用，或发生近原栖息地的快速搬运，埋藏后无生物扰动。

Significant changes in phytolith assemblages occur at the same depth as four major tephra.indicating a sharp decline in trees and shrubs and a surge in grass and Cyperaceae.

植硅体组合在4个主要的火山灰层都发生了明显的变化，表现在树木和灌木的急剧下降及禾草类和莎草科的繁盛。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。