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Analysis on mineral characteristics (percent of shingly fragment, maturation index and heavy mineral coefficient of stability) and depositional environment in Mesozoic remanet strata show that provenance located in the north of Yanqi basin, clast were moved from north to south in Mesozoic, and the sedimentary environment in northern basin were braided stream facies while shallow lacustrine stream facies in southern basin.

通过对焉耆盆地现今残留中生代地层中的岩矿特征(碎屑含砾百分比、成熟度指数和重矿物稳定系数)及沉积环境分析,焉耆盆地中生代物源区位于盆地北部,碎屑由北至南搬运;盆地北部为辫状河相沉积环境,南部为浅湖相沉积环境。

The control of sedimentary and tectonic environment for hydrocarbon source rocks externalized in that sedimentary distributing, organic abundance, organic type, organic development of this rocks and the oil system of Lower Cambrian samely relate to the breakup background.

沉积构造环境对烃源岩的控制表现在,无论其沉积分布、有机质丰度、有机质类型、有机质演化程度,还是下寒武统含油气系统都与该时期裂离背景下的沉积构造环境有关。

Part 2 analyses the basis of researches on environmental evolution, which includes sedimental features, pollen analysis, archeological sites and historical data, and etc.

第二章,通过对本区地层的沉积特征的对比和孢粉分析,运用环境磁学的方法,确定沉积物的沉积速率,并结合考古遗迹和历史文献的收集与整理,在综合研究的基础上,建立本区历史环境变迁的基本数据库和研究的依据。

The sedimental environment was the inherence causation of the AVS content.

沉积环境是控制AVS含量的内因,不同的沉积环境能够导致AVS生成的制约因素发生变化,近河口区的AVS生成受到活性铁含量的制约,而远离河口区则受到有机质含量的制约,其制约能力从高到低的排列顺序为有机质含量与来源、活性铁含量、氧化还原电位、沉积速率、硫酸盐含量。

The most dramatic surface karst landforms cover an area of 40 km2, exposed limestone surfaces have been dissected by the formation of enormous karren with solution runnels, deepening of the karren and solutional opening of joint fissures has left remnant pinnacles of various shapes, which are described as stone forest.

地表石海分布面积达40余平方千米,是研究地表岩溶的绝好场所。形成地表石海的岩层是由距今约2.9亿年的海相碳酸盐沉积而成。典型的地质剖面以及地层中保存的特殊沉积构造与丰富的古生物化石,全面反映了该地区沉积环境和构造演化的历史。

The method of 90°-phase inversion gives stratigraphic meaning to seismic phase,and is used to interpret high frequency sequences;the technology of stratal slicing is a series of slices along the surfaces inserted proportionally between two time-surfaces and this technology is used to study the planar distribution of depositional systems.

国外上世纪80年代开始出现地震沉积学这个名词,但由于地震分辨率和研究手段的限制,没有形成一套系统的理论体系和完整的学科,国内近几年虽然广泛开展利用地震资料进行沉积相、地层岩性识别的研究,但还没有出现有关地震沉积学的系统研究。

Therefore we carried out seismic sedimentological studies in Qikou Sag of Huanghua Depression using two techniques,that is,phase shift and stratal slicing .

目前国际上掀起了地震沉积学的研究热潮,国外学者在北美、印度等含油气盆地进行了一系列的地震沉积学研究,并在油气勘探和开发方面取得了明显的效果,因此本文利用相位调整和地层切片两项关键技术,对黄骅坳陷歧南凹陷沙一层序进行了地震沉积学的研究。

The stratal slices made from the 3-D seismic volume reveal the high-resolution sediment-dispersal patterns and associated depositional systems on the relative geologic time surfaces.

地层切片技术可以在平面上显示相对同一地质沉积时间的沉积分布特征,再结合岩性测井资料可以较准确分析沉积体系。

Effect of inoculation with phosphate-solubilizing bacteria and soil acidification on the growth of Stylosanthes guianensis Reyan No.2

我国地表水体污染普遍严重,水环境生态质量不断恶化,影响水体正常使用功能;另外,沉积物中磷的再释放是影响水体水质的重要原因,而沉积物中的磷细菌对磷的吸收、贮存和释放在磷循环中起着极其重要的作用,为此本研究针对地表水体水质改善技术及沉积物中磷细菌作用分别进行了研究,并选择在杭州市内河进行了水质改善的技术实践,主要成果如下:(1)在室内模拟条件下,分别设置了高溶解氧7。

Based on the analysis of depositional setting and facies mark, the thesis ascertains that Fuyu oil layer develops braided delta and the subfacies of delta front can be divided into delta front body and delta front end.

通过区域沉积背景与沉积相标志相结合的研究,确定了研究区扶余油层属于辫状河三角洲沉积体系,三角洲前缘亚相可分为三角洲前缘主体、三角洲前缘末端2个区带。

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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

The eˉtiology of hemospermia is complicate,but almost of hemospermia are benign.

血精的原因很,以良性病变为主。