plane-concave是什么意思

用法例句

Hydrocarbon Potential of Lower Paleozoic Formations in Huangping Sag;

贵州黄平凹陷下古生界油气勘探潜力

Source rocks evaluation and reservoir characteristics analysis in Enping sag,Pearl River Mouth basin;

珠江口盆地恩平凹陷烃源岩评价及油气成藏特征分析

Characteristics of lithology anomalous body in Tertiary Wenchang Formation of Enping Sag;

恩平凹陷第三系文昌组异常岩性体特征

In this context,the relationship between diagenesis and vertical variation of porosity within the different strata in the Enping sag,Zhujiangkou basin is set up.

首先分析了珠江口盆地恩平凹陷不同层位的孔隙度纵向演化特征与成岩作用之间的关系,然后通过相关性分析并结合多元逐步回归方法,找出了孔隙演化的主控因素,抽象出恩平凹陷孔隙的"3段式"演化模式,即在不考虑次生溶蚀作用和早期碳酸盐胶结等化学成岩条件下,恩平凹陷的孔隙演化具有高孔锐减段、稳定下降段和缓慢减缩段明显的演化规律,其中高孔锐减段表现为压实初期的原生粒间孔迅速减少,稳定下降段是高孔锐减段这一陡变带之后出现的缓变带,缓慢减缩段是埋藏到一定深度后随深度的增加孔隙度下降不明显的深部紧密压实带,认为通过这一演化规律可以较好地评价类似盆地深部储层的经济基底。

Kaiping Sag, located at the weatern part of Zhu Ⅱ Depression, was intensively faulted and rifted in Eocene.

开平凹陷的剧烈断裂和断陷活动始于始新世,并在同期沉积了巨厚的文昌组。

On the basis of the basic principles of sequence stratigraphy,the formation of cyclical sedimentary stratum is driven by eustasy which is periodic,and by analysing the seismic,well log and nano-microfossil data of Pearl River Mouth Basin,an integrated study was conducted which is on the sequence stratigraphy of lower and middle Miocene stratum within and around Kaiping Sag.

以层序地层学基本原理——周期性海平面升降控制旋回性地层沉积——为指导,根据地震、测井和古生物资料,对珠江口盆地开平凹陷及其围区的早中新世—中中新世地层进行系统的层序地层分析,认识到该区的层序地层学特点取决于其特殊的古地理位置。

One aspect,Jia Ping wa step off the writer who comes as a rural area,have passionate feelings to rural area bosom,civilization has acceptation,another aspect on one kind of emotion to country civilization or tradition,he the more than twenty years having lived after all in the city,has the.

贾平凹是中国当代典型的乡土作家,其乡土小说表现出了极大的现实热情和当下关怀。

China s contemporary writer JIA Ping wa stands alone in the Literary world for his persevering pursait and creation of the literary imagery All of his Literary imagery could be classicficed into some types primarily concering personal experience, allegory, illusion and local consciousness auording to the structure fromation.

中国当代作家贾平凹以文学意象世界的执著追求与创造 ,独立于中国当代文坛。

JIA Ping wa s prose is natural, fresh and delicately beautiful.

贾平凹早期散文清新灵秀,飘逸自然,以其独特的艺术魅力独秀于中国文坛,为新时期散文的发展和繁荣作出了可贵贡献。