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- The desorbed methane carbon isotope of coal core samples collected from Jincheng area, South Qinshui basin was measured. 摘要对取自沁水盆地南部晋城地区的煤芯样中的解吸气进行了甲烷碳同位素测定。
- COAL WASHABILITY STUDY WITH COAL CORE SAMPLES 用煤芯煤样进行煤炭可选性研究
- coal core sample 煤心煤样
- 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。
- To introduce the problems existing in coal core fetch and appraisal in drilling and provide some suggestions to solve them. 介绍了钻探岩煤芯采取及鉴定中存在的问题,并提出了解决问题的几点建议。
- 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)。
- Squalene was identified in the core sample, which showed that biological methane synthesizing and bacteria function occurred in this area. 同时，多环芳烃中菲系列成熟度参数的分布反映了该区沉积物成熟度较高。
- Through nonlinear fitting on clastic coal core gas desorption laws in Jiedong mine,compared each desorption model of the loss to the loss of volume by calculation methods. 通过对街洞矿区碎屑状煤芯瓦斯解吸规律的非线性拟合,对各解吸模式的损失量与用计算方法所求得的损失量进行了比较。
- Determination of zinc from zincic core sample was studied by flame atomic absorption spectrophotometry. Result showed that the method was sensitive, simple, quick and stable. 采用原子吸收分光光度法对测定锌精矿中的锌含量进行了研究。通过实验,证明该方法干扰少,操作简便,结果准确可靠,适用于高含量锌分析。
- In the core normalization,the logging curves are interpolated with this technique so that the vertical resolution of the logging curves is identical with core sample size. 在岩心归位中,用该方法对测井曲线作插值处理,使测井曲线的纵向分辨率与采样岩心尺寸一致,然后进行相关分析。
- A drill bit used for obtaining core samples in concrete or rock formations. 钻头被用来在水泥或岩层获取岩芯样品。
- The second method uses full-diameter core samples in length of 1-1.5 ft. 第二种方法是利用外径为1-1.;5英尺岩芯样品。
- A water sensitivity experiment is made by using a freeze core sample and a compacted sample from a unconsolidated oil sand in 3 unconsolidated sandstone reservoirs A,B and C in Bohai Region. 利用渤海地区的A,B,C三个疏松砂岩油藏的冷冻取心岩样及松散油砂的压实岩样进行了水敏性试验研究。
- According to the distribution characteristics of polar and non-polar aro- matic compounds, analysising Liquid chromatography of reservoir core sample, can identify reservoir water bearing properties. 对储层岩心样品进行液相色谱分析,根据极性芳香化合物和非极性芳香化合物的分布特征,可以识别储层含水性。
- percentage recovery of coal core 煤芯采取率
- The inspection results indicated that the uniform diameter of pure sand-gravel columns in mud and silt reached 55~82 cm, and the boring core sample strength of grouting column reached 4.3~11.4 MPa at the age of 28 d. 检测结果表明;挤入淤泥和粉土中的纯砂砾柱平均直径达到55~82cm;28d龄期时水泥砂砾灌浆体取芯的抗压强度达到4.;3~11
- Based on the data of the static loading test of DJM, low strain dynamic test and in situ core sample examination, the quality and detecting methods of DJM pile are discussed and analyzed. 以水泥粉喷桩静载荷试验、小应变动力检测以及钻芯取样检测资料为依据,对水泥粉喷桩质量及质量检测方法进行了讨论及分析。
- 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。
- Has calculated the core sample analysis penetration coefficient variation using the Lorentz coefficient method, has carried on the quota description to the goal layer"s non-homogeneous degree. 利用劳伦兹系数方法计算了岩心分析渗透率的变异系数,对目的层段储层的非均质程度进行了定量描述;
- We need to replenish our stocks of coal. 我们需要再次补充煤的储备。
