查询词典 strata

The skarn-type and quartz veins gold deposits occur in the Permian strata, while the altered cataclastic breccias type gold deposits are present in the Triassic strata.

矽卡岩型和石英脉型金矿赋存于二叠系中，破碎蚀变岩型金矿赋存于三叠系中。

The continuous nature of peat accumulation means that terrestrial coaly rocks may provide a higher resolution and more complete record of base-level change than the time-equivalent shallow-marine strata, thus enabling the identification of highfrequency cycles that are not recorded in themarine strata.

泥炭积累的持续性质的手段，陆地coaly岩石可提供较高的分辨率和更完整的记录基准面变化的影响时，相当于浅海阶层，从而使确定的高频周期，不记录在themarine 阶层。

Currently, in the oil-field exploitation, existing the phenomenon of garbling the lack thickness of stratum with vertical fault-throw in well logging identification of strata while meeting fault in drilling well. In most case, consider the lack thickness of stratum which contrast the imperfection geologic strata thickness to the well and the well as the fault-throw. The method which using very popular in oil-field exist shortages, it very much easily lead people into the areas of misplay. especially when the seismic person and geology confirm the fault-throw, It often appear inconsistent instance.

目前，在油田开发中钻井钻遇断层时，地质人员时常存在将测井分层与相邻井对比时缺失地层厚度与铅直地层断距混淆的现象，很多情况下把井与井对比缺失地层厚度等同于断层断距等，这些现今在油田非常流行的用法存在一些不足之处，容易把人们引入一些认识上的误区，特别是在地震与地质人员进行断层断距的确定时，经常出现矛盾的情况。

The author respectively gave a brief account of the basic characteristics of ancient and today's geothermic field at 1000m and 2000m depth, coal measure strata pressure field at the depth less than 1600m, structural stress field from Jurassic to present, and ancient and today's fluid potential field (that is water potential and gas potential distributing in coal measure strata).

在本区瓦斯分带、已知煤层气显示及其组分研究基础上，探讨了低煤级煤层气的生成机制，指出生成的煤层气应包括褐煤阶段的原生生物甲烷气、长焰煤—气肥煤阶段的热成因甲烷气和煤层埋藏阶段的次生生物甲烷气三种成因甲烷气体；进而论述了煤储层含气饱和度、临界解吸压力、临储压力比、地解压差等甲烷解吸特征，实测与理论含气量、煤层气资源量与资源丰度等煤储层含气性特征。

In accordance with the case of large mining depth in Xingdong coal mine, study on coal floor strata failure depth test of working face 2121 was carried out by water injection test. According to variation of unit injection quantity and distance between testing boreholes and working face advance, coal floor strata failure depth was determined by continual water injection and intermitted monitoring.

摘要： 针对邢东矿大采深的情况，利用现场底板注水试验对2121工作面底板采动破坏深度进行了测试研究，依据单位注水量的动态变化以及注水孔与采线之间的距离关系，确定了底板破坏深度。

But the strata with high ground water level are composed of alluvium clays、 silty clay、 gravels and crushed stone soils in Chengdu;And the shield will drive in the interzone with complicated geologic environment, especially in the strata contained more than 50 percent of gravels which diameter is greater than 5cm, also contained big grain size gravels(the maximum diameter is about 1m)、 cement gravels and silty sand with lentoid mass;And on the ground there have many serried buildings in the prosperous zone.

而成都地铁工程将主要穿越由冲积粘性土、粉土、砂砾和碎石类土组成的覆盖层，地下水位高，盾构将通过大量地质条件和环境条件均极为复杂的区间，特别是地层中还夹杂有大漂石、胶结砾石层、粉细砂透镜体，隧道围岩中直径大于5cm的砾石含量一般都在50%以上，最大的漂石直径达1m左右，且地面多为建筑物密集的繁华地区，施工难度大，国内尚无先例，在国外也无完全成熟的经验。

Based on the method of well-logging multiscale analysis, the multiscale characters and the fusion of logging curves under different scales are studied systematically to extract the multicycle features of strata and to establish the corresponding relation between logging data and strata and therefore the improved logging data can be better applied to the evaluation of sequence stratigraphy. Based on the multiscale analysis theory of wavelet, single logging curve is processed through multiscale analyzing.

本文旨在利用建立的测井多尺度分析方法，系统研究测井信号的多尺度特性和不同测井曲线的多尺度信息融合，从原始测井信号中提取出地层的多旋回特征，建立测井数据向地质目标的映射关系，以期将测井资料更好地应用于层序地层评价。

At last, based on the wavelet transform of logging signals, the stratigraphic sequence correlation and analysis of the coalbearing strata of Permo-Carboniferous in Luxi and Jiyang area have been done. The stratigraphic sequence framework of main coal-bearing strata formed in Neopaleozoic in Shandong area is established.

最后在测井信号小波变换的基础上对鲁西和济阳凹陷的含煤地层进行了层序对比和分析，基本建立了山东地区晚古生代主要含煤地层的层序地层格架。

Radiolarian-bearing strata are wide-spread in the Yarlung Zangbo Ophiolitic Complex and in the stratigraphic belt immediately to the south which is referred to as the "Northern Himalayan Subprovince of Tethyan Strata" in southern Tibet.

西藏南部的雅鲁藏布蛇绿岩带以及该带之南的沉积地层带（特提斯沉积区、北喜马拉雅亚区）中广泛发育着大量含放射虫地层。

The FEM calculation results show the behavior of underground strata which obtained by calculation is mainly equal to what is acquired from the modelling test, and the increase of suspended roof's span rock salt cavity causes the increase of permeant height in overlying strata, and so does the increase of working depth.

有限元计算结果表明计算所得矿山压力显现特征与相似模拟试验结果基本一致；溶腔顶板悬露跨距增大，导致其上覆岩层的渗透高度升高；采深增大对上覆岩层渗透高度具有同样的影响。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。