主孔

CCSD主孔榴辉岩退变质过程中的元素活动性

Geochemical Behavior of Trace Elements in Eclogites from the CCSD Main Hole during Retrograde Metamorphism

中国大陆科学钻探主孔（0～2000m）地球物理测井

Geophysical well logging in main hole ( 0 - 2000m ) of Chinese Continental Scientific Drilling

CCSD主孔高Ti榴辉岩非耦合的高Ti、低Nb（Zr）特征：对玄武质岩浆房中磁铁矿分离结晶作用的指示

Decoupled high-Ti from low-Nb ( Zr ) of eclogites from the CCSD : Implications for magnetite fractional crystallization in basalt chamber

关于CCSD主孔4820～4930m井段气体异常的初步解释

Gas abnormalities in the 4820-4930 m interval of the CCSD main Hole and their preliminary interpretation

CCSD主孔3000m岩心构造产状特征及其地质意义

Attitude Characteristics of Structure and Geological Meaning in 3000m Core of the CCSD Main Hole

CCSD主孔榴辉岩中磷灰石的矿物化学特征及对榴辉岩中F、Cl、Sr等元素地球化学行为的影响

On the Mineral Chemistry of Apatite in Eclogites From the CCSD Main Borehole and the Geochemical Behaviors of F , Cl , Sr and Other Elements in Eclogites

磁化率和密度对中国大陆科学钻探主孔100～2000m岩石类型的判别

Lithology Determination of Rocks from CCSD 100-2000m Main Hole by Magnetic Susceptibility and Density Using Discriminant Function Analysis

中国大陆科学钻探主孔100～2000m岩石弹性波速度：对地震深反射的约束

Elastic wave velocities of the 2000m depth at Chinese Continental Scientific Drilling : Constraints on deep seismic reflection

CCSD主孔1113～1600m花岗质片麻岩单元的变形构造特征

Deformational characteristics of the granitic gneiss unit from the 1113-1600 m core of the CCSD main hole

CCSD主孔100~2950m榴辉岩类和片麻岩类叶理及微断层产状特征

Attitude characteristics of eclogite type and gneiss type foliations and miniature faults in 100 ~ 2 ? 950m core of the CCSD main hole

在CCSD主孔东南方深部重力高部位有多个这样的拱形反射，预示在地表陡倾榴辉岩的延伸方向还有多个一定规模的隐伏榴辉岩体。

Southeast of the CCSD main hole , there are quite a few such reflectors , implying that eclogite bodies exist in the extension direction of the surface eclogite body .

中国大陆科学钻探工程（CCSD）主孔100～2000m岩心样品中，金红石榴辉岩、多硅白云母榴辉岩和蓝晶石榴辉岩中都程度不等地含有金红石。

In the 100 ~ 2 ? 000 m borehole samples of the Chinese Continental Scientific Drilling Project , rutile appears in different amounts in rutile eclogite , phengite eclogite and kyanite eclogite .

通过系统测量，建立了主孔2000m自然伽马值剖面，发现榴辉岩具有较低的伽马值，并从榴辉岩→角闪岩→花岗片麻岩，伽马值逐渐增大。

Through systematic logging , a 2000 m long natural gamma value profile was constructed . The gamma value of eclogite is low and gets high progressively from eclogite through amphibolite to granite gneiss .

主孔中新鲜榴辉岩纵波速度（Vp）最大（7.86km/s），正副片麻岩波速最小，又分别为5.53km/s和5.71km/s，榴辉岩的波速随着退变质作用的增强而明显减小。

Fresh eclogite yields the biggest compressional wave velocity ( 7 . 86km / s ) , and gneiss has smaller velocity ( 5 . 53 - 5 . 71km / s ) . Seismic velocity of eclogite significantly decreases with increase of retrogressive metamorphism .

针对科钻一井主孔取心钻进的要求，研制开发了LBM-SD复合钻井液材料。

The compound drilling fluid additive named LBM-SD is developed to meet demands for coring operation in the main hole of well CCSD-1 .

主孔2000m总平均Vp速度为6.2km/s，它与地球物理探测方法获得的大别-苏鲁造山带上地壳具有6.2-6.3km/s高速层结论是一致的。

Overall average Vp velocity of main hole of 2000m rook is 6 . 2km / s which is correspondent to conclusion with high velocity zone ( 6 . 2-6 . 3km / s ) of the upper crust in Dabie-Sulu orogenic belt inferred from geophysical methods .

在利用成象测井资料准确地恢复岩心空间位置的基础上，建立了位于江苏省东海县毛北村的中国大陆科学钻探主孔岩心1200m精细构造柱。

Based on the reconstruction of the spatial location of the drilling cores by using logging image data , we established a fine structural profile of the main hole ( 0 - 1200 m ) of the Chinese Continental Scientific Drilling Project .

介绍沂河大桥主孔60m＋90m＋60m三孔一联下承式钢管混凝土系扦拱及其主要构成部分&哑铃形钢管混凝土拱肋、预应力混凝土系梁、吊杆和梁面系。

Introduced in this paper is Xinhe Bridge , a through bridge mainly of three spans ( 60m + 90m + 60m ), in the structure of the steel pipe tied-arch and the dumb-bell shaped steel pipe concrete arch ribs , prestressed concrete tie beams , suspenders and deck system .

中国大陆科学钻探（CCSD）主孔CCSD1井第一阶段0~2000m钻进完成后，前后2次测井的深度值差异较大，必须对事故后测井的深度值进行校正，以保证数据的正确性。

The depth data logged again from China Continental Scientific Drilling ( CCSD ) progressive CCSD-1 well after the completion of the first 0 ~ 2 000 m drilling plan are different from the data measured last time . Corrections must be made for the veracity of the logging data .

岩石微裂隙与主孔原位波速变化有密切关系。

Micro-cracks of rocks is closely related to in situ velocity variation .

中国大陆科学钻主孔现今地应力状态

In-Situ Stress State in the Main Borehole of the Chinese Continental Scientific Drilling

中国大陆科学钻探主孔高铁钛榴辉岩的磁性岩石学

Magnetic Petrology of the High Fe-Ti Eclogite from the Chinese Continental Scientific Drilling ( CCSD ) Main Hole

在主孔2000米之内，存在复杂的脆性破裂系统和构造应力场。

There exist a complex brittle fracture system and a tectonic stress field within 2000 m of the main hole .

中国大陆科学钻探主孔声发射法现今地应力状态的确定

Determination of the present crustal stress state by using acoustic emission in the main borehole of the Chinese Continental Scientific Drilling

该系统实现了缸体补偿孔的尺寸位置、边缘倒角大小以及缸体主孔内表面加工质量的非接触检测。

This system has realized the non-contact measurement including size-position , edge chamfer of compensating hole and the inner surface machining quality of cylinder hole .

超高压变质流体的组成与演化：中国大陆科学钻探工程主孔岩心的流体包裹体研究

Composition and evolution of ultrahigh-pressure metamorphic fluids : a fluid inclusion study of the drill cores from the main hole of Chinese Continental Scientific Drilling Program

无限承压含水层中主孔涌水多孔观测定降深井流试验水文地质参数计算

Hydrogeology Parameter Calculation in Water Gushing Test of Constant Drawdown Yield in Infinite Confined Aquifer Where Gushing in the Main Hole Is Observed from Several Other Holes

第二方案，主孔为5孔100米变截面预应力混凝土箱型连续梁；

The second scheme is prestressed concrete continuous box beam of variable cross section . The major span adopts five spans . Every span is 100 meters long .

从日均值图上看，地震前后中国大陆科学钻探主孔流体测值曲线存在明显的异常现象。

The daily mean variation maps show that a pronounced anomalous phenomenon existed on the curves of fluid compositions in mud of the CCSD main hole before and after the earthquakes .

主孔构造应力场初步可划分为4期，现在所保留的主期构造为SEE-NWW向挤压构造应力场所致。

The tectonic stress field of main hole is divided initially into four periods , the main structure reserved now was coming from compressional tectonic stress field in an ESE-WNW direction .