core sample

It must pay attention to the conversion of vibrated mode when the radius of core sample is less than 25 mm.

岩样直径小于25mm时，要特别注意波振动模式的转换。

A Gantry Auto-printing Machine for Steel Pipes Development of the core sample auto-spray coder

龙门式钢管喷标机的研制岩石样品自动编号喷码机的研制

The Data Processing of the Core Sample γ Spectrum Scan System

岩心γ能谱扫描系统数据全析

Research for Permeability Test of Drilling Core Sample from Pavement

路面钻芯取样试件渗透试验研究

At the same time, the polymer will produce certain injury to the core sample.

同时，注聚合物对岩心会产生一定的伤害作用。

Through analysis the data of log and core sample, it was indicated that the physical property of reservoir bed is one of main factors for gas control.

通过对测井、岩心等资料的分析表明：储层物性是主要控气因素之一，孔隙度也是储量计算的重要参数，本文第二章介绍研究如何利用常规测井资料确定孔隙度的方法。

The Influence of Drilling Coal Core Sample ′ s Collection and Coal Quality Determination on Rational Use of Coal Resources

正确采取煤芯煤样合理利用煤炭资源

This paper introduces the design principle, structure and application effect of the major diameter core sample cutting machine.

文中介绍了大直径岩样切割机的设计原理、结构及使用效果。

With the abasing of the stratum static load, the bulk of the core sample come into expansion.

钻井岩样由于地层静压力的降低而导致总体积发生膨胀。

Measurement and interpretation method of horizontal permeability tensor of a columnar core sample

柱状岩心水平渗透率张量的测量解释方法

Development of the major diameter core sample cutting machine

大直径岩样切割机研制

A Method of Using Core Sample to Measure Salinity of Formation Water

利用岩心样品测定地层水矿化度的方法

The paper introduces system structure, gamma ray testing, core location, sample depth emendation and so on.

文章介绍了系统结构及伽马测试 、 岩心归位 、 样品深度校正等.

Laboratory Tests of Factors Effecting Core Sample Blocking Ratio and Flow Back Break Down Ratio

岩心封堵率与返排解堵率影响因素的试验研究

The structure of polymer molecular net chain can change through the core sample causes the polymer fluid free energy change.

聚合物分子网链结构在通过岩心时发生形变，引起聚合物溶液自由能的变化。

Finally, the wettability index, WR, for each core sample was determined from the area under this curve.

根据该曲线的下包面积，求出每一岩样的润湿指数（WR）。

Application of small diameter core sample to the compressive strength identification of concrete structure

小直径芯样在检验结构砼抗压强度中的应用

The complication degree of internal structure of asphalt mixture was higher than core sample of asphalt pavement by comparing the fractal dimensions.

对沥青混合料试件和沥青路面芯样分形维数的比较表明，混合料试件内部结构复杂程度更高；

Scientists charted levels of thallium, cadmium and lead in an ice core sample drilled in Greenland.

科学家从格林兰岛冰芯样品中了解到了铊 、 铅和镉的含量.

Analytical study of water bearing in the core sample and the trace gas being the direction of raising reservoir evaluation level

岩样含水及微量气分析研究是提高储集层评价水平的方向

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值实验研究岩屑长石砂岩质杂砂岩

Analysis of Gradation Difference of Core Sample from Asphalt Pavement

沥青路面钻芯芯样级配差异性分析

Core sample test of Jiangya RCC dam

江垭大坝坝体碾压混凝土钻孔测试

The research indicated that: After fracturing fluids pushed in the core sample, damage rate of core sample by clay inflated by absorbing water and the water locking effect all about 10%;

研究表明：压裂液滤液挤入岩心后，粘土吸水膨胀和水锁效应引起的岩心渗透率伤害率都在10%左右；

Scaling-up of core sample micro-bit testing to predict penetration rate

岩芯微钻头试验放大用于钻速预测

It is the primary requirement for electrical property experiment of rock that the core sample should be fully saturated with the formation water.

岩电实验首先要求用地层水完全饱和岩心。

The method of acid decomposement and alkali liquate thaw is generally applied to decompose the core sample.

矿样的分解通常采用酸分解和碱性熔剂溶解的方法。

Development of the core sample auto-spray coder

岩石样品自动编号喷码机的研制

The core sample analyses indicate that soil moisture of the deep lager is controlled by the corresponding soil lithology.

土样分析结果显示，深层土壤水分含量受岩性控制。

Experiments were carried out on tight gas formation core sample with a water base crosslinked gel fracturing fluid.

在室内用水基冻胶压裂液浸入致密气层岩心，进行了伤害试验研究。