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煤样品
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  coal samples
     Subsequent Leaching Study of Typical High-As Coal Samples from Southwest Guizhou Province
     典型高砷煤样品的连续浸取实验研究——兼论黔西南高砷煤中砷的赋存状态
短句来源
     The results of natural radionuclides content in 563 coal samples from domestic 24 provinces,measured by γ-spectrometer were reported.
     本文报告了用γ谱仪分析测定的我国24个省(自治区)的563个煤样品中天然放射性核素含量的结果,并与国内外同类工作进行了比较。
短句来源
     Representative Character Analysis of Steam Coal Samples in the Nation "973" Project Study
     国家"973"项目研究中动力煤样品的代表性分析
短句来源
     Trace amounts of V(V)in water, human hair and coal samples can be determined by this method.
     本方法可用于水、人发、煤样品中痕量钒的测定。
短句来源
     On the basis of the pore analysis and isothermal adsorption experimental investigation of the coal samples collected from Qinshui Basin and so on, the solid-gas interaction mechanism of coal-adsorbed gas was thoroughly studied in the view of physical chemistry through analyzing the dynamic process and adsorption theoretical model of coal-adsorbed gas.
     以沁水盆地等煤样品煤孔隙分析和等温吸附试验研究为基础,通过煤吸附气体动力学过程和吸附理 论模型分析,从物理化学层面对煤吸附气体的固气作用机理进行了深入探讨。
短句来源
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  “煤样品”译为未确定词的双语例句
     COMPOSITION AND STRUCTURE OF TWO SOLVENT REFINED COALS——Ⅰ. FRACTIONATION OF RAW SRC FEEDSTOCKS AND CHEMICAL ANALYSES OF SUBFRACTIONS
     两种溶剂精制煤的组成和结构——Ⅰ.溶剂精制煤样品的分离和化学分析
短句来源
     The catalyst performance is displayed with catalytic hydroprolysis of impregnated coal at 550℃.
     利用催化剂前躯物浸渍的煤样品,在氢气氛中550℃进行催化加氢热裂解实验,显示出其催化性能。
短句来源
     The vertical permeability is higher than horizontal.
     垂直样的渗透率略高于平行样的渗透率,低阶煤样品的束缚水饱和度最低,有利于采气。
短句来源
     ③Lowarsenic coals often have high organic arsenic. Humic acid and fulvic acid extracted from lignite and low rank bituminous coal also combine some of arsenic.
     ③在砷含量较低的煤样品中,有机态砷含量较高,其中在褐煤和低煤级烟煤中,可提取出与腐殖酸和富里酸结合的砷。
短句来源
     In order to deduce the tectonic stress field in North Henan by coal vitrinite reflectance,based on the principle that the tectonic stress is the main controlling factor of the vitrinite reflectance anisotropy(VRA),we have performed tests of coal vitrinite reflectance under microscope for directional coal specimen collected from Jiaozuo,Anyang,Hebi mining field in Henan province,and gained vitrinite reflectance ellipsoids(VRI) made up of reflectance maximum,reflectance middle value and reflectance minimum through some calculation to testing data.
     为了利用煤镜质组反射率推断豫北构造应力场,基于构造应力是造成镜质组反射率各向异性(VRA)的主要控制因素,对在豫北焦作、安阳、鹤壁三个矿区井下取的定向煤样品进行了室内显微镜下反射率测试,对测试数据按有关公式进行计算后就得出了由最大反射率值、中间反射率值、最小反射率值为轴组成的镜质组反射率椭球体(VRI).
短句来源
  相似匹配句对
     3.coal shaking;
     震;
短句来源
     The Sample Preparing Methods for SEM of Phyteral
     成植物残体SEM样品制备方法研究
短句来源
     Representative Character Analysis of Steam Coal Samples in the Nation "973" Project Study
     国家"973"项目研究中动力样品的代表性分析
短句来源
     Impac Crushing of Coal
     的冲击破碎
短句来源
     TEMPERATURE CONTROL FOR IRRADIATION SAMPLES
     辐照样品的温度控制
短句来源
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  coal samples
Combining the scatter and components weights plots with knowledge of the composition of tested samples, the coal samples were divided into seven groups depending on the degree of their oxidation and thermal alteration.
      
Three different groups of paramagnetic centres exist in the coal samples analyzed.
      
This paper presents study of non-linear dynamics of acoustic emission (AE) generated in coal samples subjected to gas sorption-desorption.
      
Simultaneous measurements of acoustic emission (AE) and expansion/contraction of coal samples subjected to gas sorption-desorption processes were conducted on high-and medium-rank coal.
      
AE and expansion/contraction of two nearly identical cylindrical coal samples were continuously monitored during displacement sorption experiments.
      
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In this paper, based on analysing the indicating surface of the reflectivity of vitrinite the author has summarized terminologies and relative formulae of various reflectance of vitrinite. In practice, according to the difference of sectional direction of coal samples and properties of incident light and determining microscopically methods can be measured different reflectance of vitrinite. On the basis of present data the author has summarized the methods used at home and abroad and recently proposed for determining...

In this paper, based on analysing the indicating surface of the reflectivity of vitrinite the author has summarized terminologies and relative formulae of various reflectance of vitrinite. In practice, according to the difference of sectional direction of coal samples and properties of incident light and determining microscopically methods can be measured different reflectance of vitrinite. On the basis of present data the author has summarized the methods used at home and abroad and recently proposed for determining the reflectance of vitrinite and their practical significance.These methods are mainly conventional maximum reflectance, random reflectance,average reflecotance, Ting's 3A and 3P maximum reflectance, Ting's average reflectance, natural light maximum reflectance and measuring the bireflectance on polished particulate blolck and others.

本文在分析镜质组反射率指示面的基础上,综述了镜质组各种反射率的名称及其关系式。在实践中,根据煤样品的切面方向、入射光性质和测试方法的不同,可测得各种不同的镜质组反射率。作者根据现有材料概述了目前国内外所常用的和最近所提出的一些测定镜质组反射率的方法及其实用意义。

The results of natural radionuclides content in 563 coal samples from domestic 24 provinces,measured by γ-spectrometer were reported.Results are compared with other's results given by dimesticand foreign papers.The output weighted mean content of ~(226)Ra,~(232)Thand ~(40)K were 36(2—2300),30(4—110)and 104(5—750) Bq·kg~(-1) respectively.These results are useful reference material for energy-environment asses-sment in our country.

本文报告了用γ谱仪分析测定的我国24个省(自治区)的563个煤样品中天然放射性核素含量的结果,并与国内外同类工作进行了比较。我国原煤中~(226)Ra、~(232)Th 和~(40)K 含量按产量加权的平均值(括号内为范围值)分别为36(2—2300)、30(4—110)和104(5—750)Bq·kg~(-1)。本工作结果为我国能源环境评价工作提供了有价值的源项参数。

A prototype nuclear gauge with a γ-ray source and dual backscatter detectors was designed for on-lin measurement of coal ash. A calibration model was defined. The calibration model constants were determined by least-square fittings of response data of calibrated samples. Then according to the response data on measured sample and the calibration model the weight of coal ash is obtained from the microcomputer

本文介绍单放射源,双探头Υ反散射煤灰份在线测量。从标准模型出发,综合考虑了组份、密度、水份等影响,用标准样品及最小二乘法求出标准参数,由煤样品对Υ射线的反散射响应求出煤灰份。

 
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