湖泊

Based on the analysis and sufficiency cognition of Transgression Lake of late Cretaceous and Paleocene Epoch of Subei Basin, the research is important to not only paleogeographic reconstruction of Subei basin during late Cretaceous and Paleocene Epoch but also the comment to make upon development and distribution of the source rocks and potential of oil and gas generation.

通过对苏北盆地晚白垩世－古新世海侵湖泊的确切与充分的认识分析，不仅对苏北盆地晚白垩世－古新世时期的湖盆古地理重建，而且对烃源岩的发育与分布以及生油气潜力评价都具有重要的意义。

Taphonomy ; fish fossil ; paleolimnology ; paleoecology

埋藏学；鱼化石；古湖泊学；古生态学

Commonly used methods on evaluating the productivity of oil-producing lake have been reviewed and take the Paleogene Lake in the Dongying depression, Shandong Province, as a case study.

文中综述了生油古湖泊生产力估算的常用方法，并以山东东营凹陷早第三纪生油湖为例进行了应用尝试。

The size, shape and distribution direction of the paleolakes were apparently constrained by structure and paleogeography.

古湖泊的规模、形态、展布方向明显受构造和古地理的制约。

Sedimentary testate amoebae are very useful in quantitative reconstruction of sea level changes, paleohydrology, and paleoclimate, which are mainly in the studies of paleolimnology and human activities.

有壳变形虫化石在古湖泊学与人类活动、古水文、古温度、第四纪海平面变化的定量重建等方面具有独特而重要的研究价值。

Based on detailed analyses on TOC,δ^13C org and HI from the lower Qingshankou to the upper Yaojia formations in Well Xu-22 of the central Songliao Basin, we have recognized three stages in the evolution of paleolimnology.

根据对松辽盆地中部X-22井青山口组－姚家组界线上下12.20m地层的TOC、δ^13C和HI等参数的分析，将该沉积期古湖泊的演化分为三个阶段。

The head master at Academy at the Lakes, Heller, with his Panama hat, suit and bow tie, was sitting calmly in a row boat in the middle of a lake behind the private school on Collier Parkway.

头部大师学院在湖区，海，他的巴拿马草帽，西装，领结，坐在冷静连续船中间的一个湖泊私立学校背后的科利尔百汇。

Popular Mechanics - Croix s Premier Fishing Rod ($150) and Spinning Reel ($60) offer a combination versatile enough for bass lakes, trout streams, panfish ponds and everything in between.

大众机械师-克罗伊总理钓竿（ 1 50元）及纺纱卷筒（ 6 0元）提供一个结合多才多艺不够低音湖泊，河流的鳟鱼， p anfish池塘和一切都在这两者之间。

In this paper we choose74sediment samples which are from different types of sediment (Loess-paleosol sequence sediment samples, lake sediment samples, Aeolian sand samples, peat and bog samples, Archaeological samples and surface samples). Through our investigations in the laboratory, we have some conclusion about the extraction methods of Quaternary pollen and spores from different type of sediments.

本文选取了中国北方不同沉积相的沉积物样品（黄土与古土壤样品17个、湖泊样品沉积物20个、风成砂样品11个、泥炭沼泽样品10、考古点文化层6个、表土样品10个）共74个，通过对同一种样品不同处理方法的对比研究，就中国北方不同沉积物的孢粉提取方法进行了探讨。

There are two types of coal formation: a local land accumulation in which the original substance of rotten plant material congregates in a peat bog where plants are growing; b distant land accumulation in which the original substance, which is from nearby areas or somewhere distant, of rotten plant coal congregates in a fresh water basin, lagoon, delta or lake through movements.

成煤原始物质的堆积方式分为2大类型：原地堆积——腐植煤的原始物质聚集在泥炭沼泽中植物自身繁殖的地方；异地堆积——腐植煤的原始物质是从相邻地区或大陆更远的一些地段，经过搬运，聚集在淡水盆地、泻湖、三角洲、湖泊之中。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐