This study reported a measurement method of high-precision rhenium isotope ratio,187Re/185Re,and Re concentration of natural rock samples were measured by multi-collector inductively coupled plasma mass spectrometry(MC-ICPMS) through measuring the amount of fractionation on admixed lridium.
利用多接收器电感耦合等离子体质谱(MC-ICPMS)精确测定了天然岩石样品的铼含量。
Comparative study on elastic-plastic failure process of rock specimen by means of numerical simulation;
岩石试样弹塑性破裂过程数值模拟比较研究
Numerical simulation on elastic|plastic failure process of rock specimen;
岩石试样弹塑性破裂过程的数值模拟分析
By means of the numerical simulation test ,the influence of the seed for the random number generator on the elastic-plastic failure process of rock specimen is studied in this paper.
阐述了岩土类材料的非匀质性特性,以及对岩土类材料弹塑性破裂过程进行数值模拟的分析程序REPFPA,通过8个试样的数值模拟"试验",深入地研究了随机数发生器种子值对岩石试样弹塑性破裂过程的影响。
Through interrelated impacting and grabbing test of mechanical properties for various rock samples, this paper calculates the consumed energy of percussion clamshell during construction.
为了计算冲抓斗在施工过程中所消耗的能量，对各种岩石试样的机械特性进行了相关的冲击掘削试验，以求得各种岩石试样的机械特性。
Based on the indefiniteness of rock sample parameter as randomness and fuzziness,the calculating formula of satistical parameter which accords with its characteristics of mechanical parameter sample value in engineering geological rock groups was presented by means of probability statistics and fuzzy maths.
根据岩石样本参数的随机性、模糊性等不确定性 ,采用概率统计学和模糊数学 ,给出了符合工程地质岩组中 ,岩石常用力学参数样本值自身特点的统计参数的计算公式。
Method for measuring radium-226 in rock samples-Emanation technique
GB/T13073-1991岩石样品中226Ra的分析方法射气法
Experimental studies on the choices of desiccation parameter for dolerite sample;
罗甸辉绿岩石样品干燥参数选择的研究
Precious Ce Isotope Analysis of Rock Samples by TIMS Method
高精度测量岩石样品Ce同位素组成的TIMS方法
Would you please show us some fault rock specimens of random fabrics?
你能否指给我们看一下，哪一些岩石样品是具紊乱组构的断层岩?
The sample types include rock sample, stream sediments, water samples and rarely, widely spaced soil samples.
样品类型包括岩石样品，水分沉积物，水样以及偶而采用的大间距土壤样品。
Such rock samples are called cores, and it is possible to analyze them by both geological and geochemical methods.
这种岩石样品叫做岩心。可用地质的和地球化学的方法对岩心加以分析。
Spectrophotometric Determination of Fluorine in Rock Samples with p-Sulfophenylazo Chromotropic Acid
对磺基苯偶氮变色酸分光光度法测定岩石样品中的氟
Uncertainty evaluation of measurement results of gold in ore samples by foam adsorption-flame atomic absorption spectroscopy method
泡沫塑料吸附—火焰原子吸收法测定岩石样品中金的不确定度评定
It has a manipulator hand containing drilling and cutting tools that allow the robot to retrieve samples of rock from the ocean bed.
这种机器有一个操作臂，其中包括了钻头和开掘工具，使得机器人可以从深海海底回收岩石样品。
The laser method can date individual crystals in the rock samples, which helps to make corroboration easier and reduces the risk of contamination.
激光测定法可以对岩石样品中的单个晶体进行测定，简化了确认过程，而且减少了污染的危险。
Comparison of Two Different Sample Pretreatment Methods in Determination of Zr,Nb,Hf,Ta in Rocks by Inductively Coupled Plasma-Mass Spectrometry
电感耦合等离子体质谱法测定岩石样品中的锆铌铪钽两种预处理方法的比较
He collected specimens of all kinds of rocks and minerals.
他采集了各种岩石和矿物的样品。
Laser-induced breakdown spectroscopic technique for analyzing rock and coal samples
激光诱导击穿光谱技术分析岩石和煤样品
DIRECT DETERMINATION OF TRACE SILVER IN SOLID ROCK OR MINERAL SAMPLES BY GRAPHITE FURNACE AAS
固体进样石墨炉原子吸收法测定岩矿样品中微量银
Ferrodomite is the main magnetis carrier in the Cretacous violet sandstone on Fenghuo mountains.
风火山白垩系紫色砂岩样品的矿物学分析结果表明,大部分样品的磁性载体是铁白云石.
The layered structure common to metamorphic rocks.
叶理象变质岩一样的岩石层状结构
The reservoir rock can be of various lithological compositions.
热储岩体的岩石成份各式各样。
The mineral composition of a sample of igneous rock.
火成岩样品的矿物构成
