查询词典 delta function

It is found that the west slope in the Eastern Sag has the formation condition of braided river delta, the development area and stratigraphic position of braided river delta sedimentary system are defined, and the subfacies and microfacies are identified.

确定东部凹陷西部斜坡带具备辫状河三角洲的形成条件，并确定了辫状河三角洲沉积体系发育范围和层位，识别了辫状河三角洲沉积亚相及微相。

Delta plain and delta front subfacies develop sand body, distributary channel, underwater distributary channel and mouth bar are most developed, they are favorable reservoir facies belt in the region of interest.

三角洲平原和前缘亚相砂体发育，其中分流河道、水下分流河道和河口坝砂体最为发育，是研究区有利储层发育相带。

The sand bodies are made of lithical sandstone with different size. Delta place subfacies and delta front subfacies has been distinguish in the range of oil fields, they were sub...

在大宛齐油区识别出了三角洲平原和三角洲前缘两个亚相并从中进一步划分出了8种微相，查明了康村组岩性由不同粒级的岩屑砂岩的组成，分流河道砂体、水下分流河道砂体和河口砂坝砂体是油气的主要储集层，储层在纵向上多期叠置、在横向上频繁迁移、尖灭和连续性较差。

Sequence stratigraphy Ⅱ contains not only mudstonds of deep-lake subfacies with large thickness and wide distribution, but also rich sandstones of fluvial facies, fan delta facies, delta facies, and is the main sequence with source-reservoir-caprock assemblage combination.

层序Ⅱ既发育厚度大、分布范围广的深湖亚相泥岩，又发育河流相、三角洲相和扇三角洲相砂岩，是盆地内主要的生储盖组合发育层序。

Through the sedimentary facies analysis in different areas and in different facies belts of the tyoical wells, and combined with the characteristic of structutal evolution in Tertiary in Subei basin,identify and elaborate several kinds of main sedimentary facies types,subfacies and microfacies in Guanzhan Sag, such as delta facies, fan delta facies ,lacustrine facies and subaqueous fans in this paper.

通过对该区近十口井的岩心、测井及对整个苏北盆地、邻区资料的分析与借鉴，通过对次凹不同区域、不同相带典型井的沉积相分析，同时结合第三系苏北盆地构造背景特点，识别出并阐述了管镇次凹发育的三角洲相、扇三角洲相、湖泊相和水下扇相等几种主要沉积相类型及亚相和微相，在此基础上建立了相模式，阐明了不同时期的沉积相平面展布规律和有利的储集区带和勘探方向。

We have taked sedimentary facies research on the second member of Shanxi formation of Changbei gas field, this area pertained to marine facies braid river delta sedimentary system, we have gived a detailed discriiption on different subfacies, microfacies, sandbody's sedimentary character and distribution for the braid river delta sedimentary system.

对长北气田山2段开展了精细沉积相研究，确定该地区山2段属于海相辫状河三角洲沉积体系，并对该三角洲沉积体系的各亚相、微相和砂体展布特征与演化规律进行了详细研究，建立了自北向南延伸的辫状河三角洲沉积模式。2。

Secondly, through the identification of facies marks and the analysis of sedimentary facies cross sections, alluvial fan, river, fan delta, delta, lake, sublacustrine fan and tempestite sediment environment have been developed in West Chaidam Basin.

其次，通过对相标志的识别和对反映沉积相纵向演化的基干剖面的分析，总结出研究区发育了冲积扇相、河流相、扇三角洲相、三角洲相、湖泊相、湖底扇相以及风暴沉积等沉积相类型。

Second, the study determines that there are five sedimentary facies types including fan delta, braided delta, nearshore subaqueous fan, sublacustrine fan and beach bar, according to the identification of facies marks as well as comprehensive analyses of the content of conglomerate and sandstone, sandstone thickness, mudstone color, detrital composition and other data of Shahejie Formation in the western beach area of Liaohe Basin. There are three main provenance areas consisted of western uplifting, Huludao uplifting and central low uplifting.

通过相标志的识别以及对砾岩含量、砂岩含量、砂岩厚度、泥岩颜色及碎屑组分等资料的综合分析，确定了滩海西部地区沙河街组主要发育扇三角洲、辫状河三角洲、近岸水下扇、湖底扇和滩坝五种储层沉积相类型，并存在西部凸起、葫芦岛凸起和中央低凸起三个主要的物源区。

The results show there are many sedimentary microfacies inⅠoil formation in Xing'anling Group, such as submerged branch channel, distributary mouth bar, and distal bar in braided\|river delta front and main groove and embankment in sublacustrine fan, and the submerged branch channel in braided\|river delta front is dominant.

结果表明，苏德尔特油田兴安岭群Ⅰ油层组主要发育辫状河三角洲前缘水下分流河道、河口坝、远砂坝以及湖底扇主沟道、主沟堤等沉积微相，其中水下分流河道为最主要的沉积微相。

The researches show that fan delta, alluvial plain, delta, lacus and sublacustrine fan develop, each sedimentary facies are divided into several subfacis again. The probability cumulative grain size curves incude "uphill arched arc" pattern, one segment pattern, bi-segment pattern, tri-segments pattern, multi-segments pattern, complicated bi-segment pattern, complicated tri-segments pattern,"low slope multi-segments" pattern,"high slope multi-bouncing population-one suspension population" pattern,"high slope multi-bouncing population-one suspension population-transitional zone" pattern,"high slope and multi-bouncing population" pattern,"broadly uphill arched arc" pattern and so on, each subfacis has own peculiar probability cumulative grain size curves.

研究表明，该地区发育的沉积相有扇三角洲、冲积平原、三角洲、湖泊、湖底扇，每一种沉积相又分为几种沉积亚相类型；该地区碎屑岩的粒度概率累积曲线特征主要包括：&上拱弧形&式、一段式、两段式、三段式、多段式、复杂两段式和复杂三段式、&低斜多段&式、&高斜多跳一悬&式和&高斜多跳一悬夹过渡&式、&高斜多跳&式、&宽缓上拱&式等，每种沉积亚相类型对应其独特的粒度概率累积曲线特征。

Many will continue to choose to live in duality and in conflict.

许多人将继续选择活在二元对立性和冲突中。

I find that students of the University of Physical Education all wear sportswear at first sight.

我发现：体育大学的学生乍一看，都是穿运动衣，大家都一样