The density of the grains in a formation or core sample.
地层或岩心样品中颗粒的密度。
The bugs were extracted from a core sample drilled from glacier ice in Greenland.
这些细菌是从格陵兰冰川冰中钻取的矿样中提取的。
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。
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。
It is feasible and reliable to use small-diameter core sample as the test and assess the quality of concrete.
采用小直径芯样强度作为检验和评估混凝土的质量是可行的、可靠的。
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。
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。
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。
Resulted that use drilling core sample in the rutting test, can be used to detect the site asphalt pavement anti-rutting performance.
表明通过采用现场钻取的芯样试件做车辙试验来检测沥青面层的抗车辙性能的想法是可行的。
A technique for measuring the pore volume of a core sample from the difference in its weight when dry and when saturated with a liquid.
测量岩心样品被烘干后的体积以及被一种液体充满后的体积之差从而确定岩心样品孔隙体积的一种方法。
Nondestructive detection and core sample detection show that the unit weight, porosity and permeability of the core are in accord with the design requirement.
经无损检测和钻孔取芯检测,碾压沥青混凝土心墙的容重、孔隙率和渗透系数均满足设计要求。
Contrasting core ground gamma curve with logging gamma curve locate the core, and then emend the depth of the core sample, which improve veracity of the core data.
应用岩心地面自然伽马曲线与测井自然伽马曲线对比法对岩心进行归位,进而对岩心样品进行深度校正,在很大程度上提高了岩心资料的准确性。
The paper summed up and summarized calculating method for elastic modulus of dry core sample and gave brief analysis for feature and practicelity of different methods.
本文对干岩石弹性模量的计算方法进行了归纳和总结,并对各种方法的特点、实用性进行了简要分析。
By the density test of blow-drying and stoving of non-aridity core sample from asphalt pavement, the bulk volume relative density and compactness can be calculated under different test conditions.
通过对沥青路面上钻取的非干燥试件进行风干和烘干试验,计算不同试验条件下心样的毛体积相对密度和压实度。
There is a need for a quick method using the sample of core or cuttings, raw or after simple grinding.
需要有一种利用未加工的岩芯或岩屑样品,或简单研磨后的样品的快速方法。
At three sample sites, a 5 cm diameter sediment core was taken with a PVC cylinder to determine nutrient content.
在三个样本的网站,一个直径5厘米的核心是泥沙与聚氯乙烯缸,以确定养分含量。
Core drilling is also commonly used to create holes for routing cables or placing anchoring bolts installing load carrying devices or dowel bars or for concrete sample analysis.
钻探也是常用的路由电缆制造或配售锚孔螺栓承载装置安装销子或酒吧,或混凝土样本分析。
Core drilling is also commonly used to create holes for routing cables or placing anchoring bolts, installing load carrying devices or dowel bars, or for concrete sample analysis.
钻探也是常用的路由电缆制造或配售锚孔螺栓承载装置安装销子或酒吧,或混凝土样本分析。
The Cu Pb clad samples were used to simulate the strands with liquid core and the deformation characteristics of the sample in the rolling process were investigated by visio plasticity (mesh) method.
用视塑性(网格)方法研究了铜复铅芯模拟样品轧制时的变形行为,与无铅芯的样品进行了比较,由此了解带液芯连铸坯轻压下时的变形特征。
The tester with DSP core could get excellent results by judging and adopting the different value of voltage and current, programmed amplifying and changing the frequency of sample.
系统以DSP为控制核心,可自动识别并适应不同的电压和电流等级,采用程控放大、变化采样频率以获得优化的阵列测试效果。
This method properly determined the sample quantity to make core drilling amendment with the confidence degree and precision estimate theory of error theory.
在该方法中,利用误差理论中的置信度和估计精度理论,合理确定钻芯修正所需要的芯样数量。
It is difficult to bore and sample the core of rock in soft medium, and it will influence the results of test due to the disturbing of soil and concrete sampling.
在介质软弱的情况下,钻孔取芯、取样很难实现;由于对混凝土芯样、土样产生扰动从而对检测结果产生影响。
An attempt is made to analyze the reaction rate of the reduction of the sample by use of the unreacted core contraction model and a hybrid control equation.
试用未反应核收缩模型及混合控制方程分析了试样的还原反应速率。
CPLD is used as image sampling control unit and DSP as the system core, and pretreatment circuit is designed to be multifunctional, all these help to sample different wavelength image signals.
该平台采用CPLD作为图像数据的采集控制单元,DSP作为核心处理单元。同时对视频信号的预处理电路进行了通用化设计,能够有效保证系统对不同波段的图像信号进行采集和处理。
By on-the-spot testing and sample analysis, the quantitative data of core-loss trend and distribution of Pan Gang's NO.
通过现场测试取样分析,首次确定了攀钢高炉的铁损走向与铁损分布的定量数据以及铁损的形态。
Process of collecting chip sample returned from drill hole, the related equipment, formula of calculating average assay of core and chip, as well as representativeness of chip are discussed.
阐述了岩屑从钻孔排出的收集过程与有关设备,岩屑定量分析值的计算,并举例说明岩屑的代表性。
Process of collecting chip sample returned from drill hole, the related equipment, formula of calculating average assay of core and chip, as well as representativeness of chip are discussed.
阐述了岩屑从钻孔排出的收集过程与有关设备,岩屑定量分析值的计算,并举例说明岩屑的代表性。
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