root concavity

用法例句

The investigation of the root furcation morphology and the incidence of the root trunk concavities of molars with severe periodontitis;

因重度牙周炎拔除的磨牙根分叉形态测量及根柱凹陷发生率的调查

Sedimentary system and sequence stratigraphy of s_l and s_2 member in southwest of Liaohe western depression;

辽河西部凹陷西南部沙一、二段沉积体系与层序地层特征

Base structure and hydrocarbon accumulation characteristics in Western Depression of Liaohe Rift Basin

西部凹陷基底结构及油气成藏特征

This paper concludes the study methods of oil and source rock correlation for heavy oils with different degree of biodegradation;correlates the heavy oil and source rock in the western depression of Liaohe oilfield using the method of asphaltic ruthenium ion catalysis-oxidation and analysis of wrapped hydrogen in asphalt.

总结了不同生物降解程度的稠油油源对比相应的研究方法;利用沥青质钌离子催化-氧化、沥青质中包裹烃等新方法对辽河断陷西部凹陷稠油油源进行了对比研究。

Characteristics of volcanic rock reservoirs in Ou-Huang area of the eastern sag in Liaohe depression and prediction of favorable reservoirs;

辽河坳陷东部凹陷欧-黄地区火山岩储集层特征及有利储层预测

Sequence stratigraphic characteristics and petroleum distribution in the Palaeogene of northern section in the eastern sag of Liaohe Basin;

辽河盆地东部凹陷北段古近系层序地层特征及油气藏分布

On the Relations between Structural Evolution and Oil and Gas Accumulation in the Eastern Sag of Liaohe Depression;

辽河坳陷东部凹陷构造演化及与油气关系探讨

Fluid inclusion microthermometry and apatite fission track analysis were used to reconstruct the Tertiary paleotemperature of the East depression,Liaohe basin.

以太阳岛构造和大平房构造为例,利用流体包裹体显微测温和磷灰石裂变径迹分析方法恢复了辽河盆地东部凹陷第三系的古地温。

Taking the unconformity of Es_(1+2)/Es_3 in the northern region of east depression of Liaohe Basin as a case, the relation of unconformity with hydrocarbon migration and accumulation was studied.

根据 2 2 4口井的实际资料 ,结合地层沉积特征和地震剖面解释结果对辽河盆地东部凹陷北部地区Es1+ 2 /Es3 不整合面的上、下地层的接触关系及岩性组合特征进行了平面规划及分类 ,探讨了该不整合面与油气运聚的关系。

The Shahejie Formation of the Paleogene in the deep zone of the middle area of the East Depression in Liaohe Basin is made up of its Member 1 and Member 3 and lacks its Member 2 and Member 4.

辽河盆地东部凹陷中段深部地层中的古近系沙河街组由沙一段、沙三段构成 ,缺失沙二段和沙四段。

Characteristics of Cretaceous volcanics in the western depression of Liaohe fault depression

辽河断陷西部凹陷白垩纪火山岩特征

Sedimentary Facies and Facies Model of the 3~(rd) Member of Shahejie Formation in the Western Sag,Liaohe Fault Basin

辽河断陷西部凹陷沙三段沉积相及相模式

STUDY ON DIAGENESIS OF CLAY MINERALS IN THE WESTERN DEPRESSION OF THE LIAOHE BASIN

辽河盆地西部凹陷粘土矿物的成岩作用研究

SEQUENCE ANALYSIS OF SOURCE RESERVOIR CAP ROCK ASSEMBLAGES IN SHAHEJIE FORMATION FROM DEEP BED OF WEST DEPRESSION, LIAOHE BASIN, CHINA

西部凹陷深层沙河街组生储盖组合的层序分析

Stady and Application of Diagenesis in Yuanyanggou, West Liaohe Basin;

辽河西部凹陷鸳鸯沟地区成岩作用研究与应用

Reservoir Description of Dujiatai Formation of Huan103 Well Area in the Western Depression of Liaohe Oilfield;

辽河西部凹陷欢103井区杜家台油层油藏描述

Hydrocarbon-Generating Dynamic Characteristics of Paleogene Source Rocks in Western Depression,Liaohe Basin

辽河西部凹陷古近系烃源岩生烃动力学特征

Controlling factors of lithologic reservoirs of Sha 3 member in West Sag of Liaohe Depression

辽河西部凹陷沙三段岩性油气藏主控因素研究

FEATURES OF SHA-3 MEMBER RESERVOIR OF WESTERN DEPRESSION IN LIAOHE BASIN

辽河盆地西部凹陷沙三段储集层特征研究

QUANTITATIVE OIL-BEARING PREDICTION OF STRUCTURAL TRAP IN WEST SAG OF LIAOHE DEPRESSION

辽河西部凹陷构造圈闭含油性定量预测模型

Research on Petroleum Reservior-forming Conditions in the West of Biyang Depression. Nanxiang Basion;

泌阳凹陷西部地区油气成藏地质研究

Prediction of Potential of Favorable Glutenite Reservoir in the Western Slope of Eastern Depression in Liaohe Oilfield

东部凹陷西部斜坡区有利砂砾岩体储层预测

Geological Framework and Closure Structure of the Xihu Sag in the East China Sea

东海西湖凹陷地质结构与局部构造特征

Buried hills of Archaeozoic,Paleozoic and Mesozoic Eras developed well in the west part of Dongying Depression.

东营凹陷西部发育太古界、古生界及中生界潜山。

Northwestward(NW) Faults and Its Relationship with Hydrocarbon Accumulation in the Eastern Part of Zhanhua Sag;

沾化凹陷东部北西向断裂系统与油气成藏研究

The Study of Fluid Inclusions from Reservoirs of Weixi'nan Depression, Beibuwan Basin;

北部湾盆地涠西南凹陷储层流体包裹体研究

Depositional Characteristics and Hydrocarbon Control of West Slope Belt in Dongpu Depression;

东濮凹陷西部斜坡带沉积特征及对油气的控制

The Study of Sedimentary Facies of S_4-S_3 Member, in the Western Slope of Damintun Sag;

大民屯凹陷西部斜坡带沙四～沙三段沉积相研究