地层
- formation;stratum;layer;bed;geosphere;serati
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(1) [stratum;layer]
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(2) 由天然作用形成的成套沉积岩,有时还可包括变质岩层,甚至火成岩体
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(3) 发掘古物中,发现考古物质(如手制石器、骨骼和居住遗迹)的地层
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(4) [formation]∶代表一个地质填图单位的火成岩、沉积岩或变质岩
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利用MT法对该地区的地下地质构造、地层展布特征等进行了研究。
Therefore , MT method is applied to research subsurface geologic structure and the expanding characteristic of stratum .
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复杂地层条件下PHC桩施工质量问题分析及处理
Analysis and settlement of quality problem during the PHC pile construction under complex stratum condition
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矿物往往埋藏在地层深处。
Minerals are often found deep in the ground .
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轻微倾斜地层的侵蚀通常造成非对称的山脊,称为单面山。
Erosion of gently dipping strata commonly results in the formation of asymmetrical ridges known as cuestas .
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在北非不同的地方使用这个名称,包括从石炭纪到早白垩世的地层。
The term is used at various localities in North africa , includes beds ranging from Carboniferous to early cretaceous .
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不久后海洋软泥层开始在老的硬地层上堆积。
Soon layer of oceanic ooze began to accumulate above the old hard layer .
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岩溶地区不整合地层系统之岩土构成复杂
The structure of and rock extremly complex in the discordance formation system in Karst area .
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利用P波层间时差确定裂缝性地层的各向异性参数
Determining the anisotropic parameters of fractured formation by using P-wave interval moveout
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N2与地层油的界面张力研究;
The interfacial-tension study of N_2 and crude oil ;
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Ro差值法恢复地层剥蚀量的不合理性
Irrationality of calculating denudation thickness of strata with r_o-difference method
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对自然电位、自然电位幅度异常△V(sp),与渗透性地层、非渗透性地层之间的关系进行了分析。
The relation between SP , SP deflection (△ V_ ( sp )) and permeable , impermeable formations is analysed .
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1999年中国科学院岩士所王笑海博士在基于三维拓扑格网结构的GIS地层模型研究中,介绍了利用钻孔资料建立三维岩土工程地基模型的方法。
In 1999 , Wang Xiaohai brought forward a method to generate 3D rock-cliff project groundsill model based three-dimensional topological grid structure in the researching of GIS stratum models .
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其喷发的火山岩不整合覆盖于晚更新世湖光岩组地层之上;在岩石学上具有独特的火山岩岩相特征和化学成分(高MgO,低SiO2)。
These volcanic rocks are characteristic of volcanic lithofacies and of chemical composition of higer MgO and lower SiO_2 in petrology .
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利用TTI法恢复原始地层厚度实例
An example of recovering the original formation thickness by TTI method
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应用NDR计算地层孔隙压力
Calculating Formation Pore Pressure Using NDR
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正确区分变质地层和TTG岩系以及其他变质深成岩;
Correct differentiation of the metamorphic strata , TTG rock system and other metamorphic plutonic rocks ;
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包括:N2与地层油的相特性研究,即N2对地层油的膨胀降粘试验研究和N2与地层油的多次接触试验研究;
The research including : the phase behavior study of the N_2 and crude oil , i.e. the experimental research of the expansion and visbreaking N_2 exerting on crude oil , the multiple-contact experimental research of N_2 and crude oil ;
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研究了HPAM的分子量、水解度、浓度对所形成冻胶与地层岩石的粘附状态的影响。
The paper studies the effects of molecular weight , degree of hydrolysis and concentration of HPAM on adhesion of jelly and formation rock .
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U(37)~K,δ~(18)O沉积地层记录:南海北部末次盛冰期以来SST和海面变化
Stratigraphic record of U_ ( 37 ) ~ K ,δ ~ ( 18 ) O : SST and sea level change in the northern part of South China Sea since the last glacial period
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SVD去噪技术对构造简单地区,特别是地层近水平的情况下的地震剖面的去噪效果是十分明显的;
The singular value decomposition ( SVD ) technology is a very effective method to eliminate the noise in a simple structure , especially that on the horizontal layer .
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对比两种模型的数值模拟结果发现,在低频范围内,沉积盆地地层间液体压力的平衡作用(Biot慢波)能使P波产生显著的衰减;
It is discovered by correlation of numeric modeling results of two models that the equilibration action of liquid pressure be - tween layers of sedimentary basin ( Biot wave ) can produce significant attenuation for P-wave in low-frequency scope ;
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研究区地层渗透系数取值为21.08m/d。
The permeability coefficient of the studied area is 21.08m/d .
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KT-2钻井平台渤海海域地层测试经验及其分析
Experiences and Analysis of MFE Testing for KT-2 Drilling Platform in Bohai Area
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TC-938堵剂适应上述要求满足了堵水工艺要求,该堵剂即具有吸附作用堵水,又具有物理堵塞作用堵水,担负了堵剂在地层中的滞留性能,粘附性好。
TC-938 blocking agent can satisfy the demands of the above water shutoff technology , it not only can shut off water by the action of adsorption , but also can by the action of physical plugging , and is with good adhesivity .
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分析了造成A8井堵塞的三种主要原因,认为堵塞的原因依次是污油堵塞、固体颗粒侵入堵塞和地层出砂堵塞。
Three kinds of main plugging factors in A8 well have been analyzed , their sequence is effluent oil plugging , solidity invasion plugging and sanding plugging .
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冲绳海槽海底中新世化石的发现及其地层意义东海DC-2孔柱状岩芯的地层划分
Miocene fossils from Okinawa Trough and their Stratigraphical Significance the stratigraphical division of DC-2 columnar core from the East China Sea
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TSP技术是目前国内外较先进的隧洞超前地质预报技术,可以较准确地探明地层结构及深埋隐伏构造等不良地质问题,对防治隧洞施工中的地质灾害具有明显作用。
The technology of TSP ( Tunnel Seismic Prediction ) can prove up the stratigraphical structure and the geological problems from the deeply embedded blind formations more correctly , which has a significant effect on the prevention of the geologic hazard during tunneling .
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对准噶尔盆地董2井碎屑岩地层的偶极横波成像(DSI)测井资料进行了处理分析,并利用处理结果对该井的地层各向异性和地层最大水平地应力进行了评价。
Based on analysis of the DSI logging data of clastic sequence in well D-2 in the Junggar Basin , the stratigraphic anisotropy and maximum horizontal crustal stress in the well was evaluated .
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分析ADSP-21161N的结构与特征,并在其目标板上实现浅地层探地雷达的信号处理机;
Analyze the architecture and feature of ADSP-21161N and realize the signal processing unit for subsurface GPR in DSP target board .
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华北地台东部中寒武世张夏期附枝藻(Epiphyton)灰岩及古地理辽东复州湾中石炭世地层兼论华北地台中石炭统的划分
Epiphyton boundstone and palaeogeography of the Middle Cambrian Zhangxia formation in the east of North China Platform