二叠纪的

The Permian seas came to be dominated by bony fishes with fan-shaped fins and thick, heavy scales.

二叠纪的海洋被硬骨鱼类统治着，它们有着扇子一样的鳍和厚厚的鳞片。

Based on the new Permian geologic time scale proposed by the author,the lithofacies paleogeography and paleotectonics and their evolution during the Permian in China have been discussed in this paper under the new Permian geologic timescale proposed by the authors.

以作者提出的新的二叠纪地质年表为基础，概要论述了中国二叠纪各＂期＂岩相－古地理和古构造的基本特征及其演化史，编制了相应的岩相－古地理图

The Permian extinction-the worst extinction event in the planet's history-is estimated to have wiped out more than 90 percent of all marine species and 70 percent of land animals.

二叠纪的生命大灭绝，是我们这个星球上最可怕的一次物种灭绝，海洋的90%的生命以及陆地上70%的生命都消失了。

The basins contain 18 to 20 kilometers of pre Upper Permian carbonate and post Upper Permian siliciclastic sedimentary fill.

盆地包含18至20千米的二叠纪的碳酸岩和硅质碎屑沉积物。

Through the systematical study of petrology, petrochemical and geochemical characteristics, the author concludes that it is an alkali syenite formed inside plate. The syenite,together with basalt, diabase dyke inside the basin forms a speci...

该正长岩为形成于板块内部的碱性正长岩，它与盆地内部的二叠纪玄武岩、辉绿岩岩墙一起构成了一套发育于裂谷性盆地的岩浆岩组合，说明二叠纪时塔里木盆地处于裂谷构造环境。

New data reveal that the age of the so-called Gigantopteris Coal Series indifferent places of South China is not exactly the same and ranges from the late LowerPermian to the close of the epoch,while several elements of the Gigantopteris-Flora,such as Gigantopteris,Pecopteris,Annularia,Lobatannularia and Paracalamites mays...

新的资料证实，这一含煤地层的时代在各地不尽相同，它起自早二叠世晚期——茅口期并一直延续至二叠纪末。对二叠纪古气候所作的概略分析表明，整个二叠纪在华南都是成煤期，只要古地理条件有利，在早二叠世的栖霞期和茅口期以及晚二叠世的龙潭期和长兴期都可以生成煤层。

Coelurosauravus are roughly iguana sized lizard-like diapsid reptiles native to the Permian period.

空尾蜥是土生土长在二叠纪的，一种外表酷似鬣蜥体形与蜥蜴一般大小的双窝类爬行动物。

The strata between the carbonate rocks of the Chaguoluoma Formation (Devonian-Early Carboniferous) and carbonate rocks of the Xiala Formation consist mainly of clastic rocks with limestone, which are marked by glaciomarine deposits in terms of sedimentation and mixing of Gondwanan and Tethyan faunas in terms of fossils.

古生物群混生的现象为石炭纪—二叠纪的特提斯生物区与冈瓦纳生物区之间的地层和古生物对比建立了一座桥梁。永珠组中上部地层中同时产有牙形石和腕足类，牙形石的研究表明其时代为晚石炭世莫斯科期，而腕足类的研究则表明其为早二叠世萨克马尔期。

The sedimentary characteristics in Xuefeng area suggested that Xuefeng experienced complex vicissitudes of uplift-depression from Sinian to Cretaceous, it can be divided into five stages, including carbonate slope-shelf basin in Early Sinian-Middle Ordovician, uplifting and denuding in Late Ordovician-Late Carboniferous, carbonate platform in Permian, carbonate shelf in Early Triassic, uplift and intermountain basin in Middle Triassic-Cretaceous.

雪峰及其周缘地区的地层沉积特征则表明，震旦纪-白垩纪雪峰地区经历了复杂的隆凹变迁历程，可概括为五大阶段，分别为早震旦世-中奥陶世的碳酸盐斜坡-陆棚-盆地阶段、晚奥陶世-晚石炭世的隆起剥蚀阶段、二叠纪的碳酸盐岩台地阶段、早三叠世的碳酸盐陆棚阶段和中三叠世-白垩纪的隆起-陆相山间盆地阶段。

Based on analysises of characteristics of regional deformation and metamorphism as well as Carboniferous and Permian relict basins, think Qinling-Dabie orogenic belt might have undergone following Basin-mountain transformational process : the ocean basin developed in Silurian-early Paleozoic; ocean basin subduction began in Ordovician; Silurian-early Devonian continent-continent collision happened and the ocean basin disappeared; Carboniferous- Permian, with the strike-slip and pull-apart along the Shangdan fault, a series of small faulted basins formed on the north Qinling mountainous region composing of Pre-Carboniferous metamorphic stratum.

在解析区域变形变质特征，岩浆侵位的构造演化和北秦岭区石炭—二叠纪残余盆地分析基础上，认为秦岭—大别造山带现今的残余的加里东造山带，可能经历了震旦纪—早古生代洋盆发育，奥陶纪洋盆俯冲，志留纪—早泥盆世碰撞造山，洋盆消失，石炭—二叠纪沿商丹带走滑拉分断陷形成上叠于北秦岭加里东造山带之上的石炭—二叠纪沉积盆地的盆山转换过程。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。