core diameter

In order to study electric property of anisotropic core,such as cores containing fracture or gravel,as well as principle of coil-type electric well logging and its transducer,an electric parameter measurement system for big diameter core has been developed.

为了实验研究明显各向异性岩心(如含裂缝或砂砾岩心)的电学特性,线圈法电测井方法及其传感器,在实验室内建立了大直径岩心电参数测量系统。

Magnet Design of NMR Analyzer for Core of Whole Diameter and Application in Oilfield;

核磁共振全直径岩心分析仪磁体研制技术与油田现场的应用

Experiment research of the phase transition of carbon dioxide in the true core of low permeability reservoir

低渗储层全直径岩心对CO_2相变影响的实验研究

Magnet Design of NMR Analyzer for Core of Whole Diameter and Application in Oilfield;

核磁共振全直径岩心分析仪磁体研制技术与油田现场的应用

Using Bedrock Freezing for Safe and Rapid Construction of Large-Diameter Shaft

大直径井筒全井基岩冻结法安全快速施工

Comparative Study on Bearing Capacities of Socket and Non-socket Bored Piles

大直径嵌岩桩与非嵌岩桩承载性状的比较研究

Study on Service Performance and Application of Large Diameter Rock-socketed Pile;

大直径嵌岩桩使用性能及其应用研究

B.C.D. of anchor (foundation) bolts

地脚螺栓中心圆直径

The cylinder diameter of raceway center(mm)

－滚道中心圆直径(mm)

diameter of root circular-arc center circle

齿根圆弧中心圆直径

diameter of tip circular-arc center circle

齿尖圆弧中心圆直径

Experimental Study on m Value of Pure Sandstone Skeleton Core Sample with different Particle Sizes

不同粒径纯砂岩骨架岩心的m值实验研究

Rocks weather until they are worn away.

岩石经风吹雨打而剥蚀，直至完全风化。

Quality: upper. Core: very small and close, with smaller diameter than 1/3 fruit diameter. Storable life: long.

果心极小，果心横切面直径小于1／3果实横切面直径，果心闭合。

Surrounding Rock Stability Study of ZhongNanShan Large Section and Deep Shaft;

终南山隧道大直径深竖井围岩稳定性研究

Behavior Analysis of Large-Diameter Cast-In-Site Type Rock-Socketed Pile under Lateral Load;

大直径灌注型嵌岩桩水平受荷特性分析

Testing Study on Vertical Bearing Properties of Large-Diameter Cast-in-Place Pile Embedded in Rock;

大直径嵌岩灌注桩竖向承载性状试验研究

Study of the Load Transfer Rule and Bearing Capacity of Large Diameter Cast-in-situ Rock-Socked Piles;

大直径嵌岩灌注桩传力规律及承载力的研究

Design and Construction of Large Diameter and Lightweight Double-Wall Steel Cofferdam Socketed in Underwater Rock

水下岩层中大直径轻型双壁钢围堰设计与施工

Selection on Depth and Diameter of Blasting Borehole for Rapid Heading of Mine Rock Roadway in Deep Level of Mine

煤矿深部岩巷快速掘进炮眼深度和直径选择