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In this paper, the authors studied the ore composition, ore-forming epoch, REE characteristics and stable isotopes of this deposit based on a detailed investigation of geological features of this type of deposits.
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文章对该矿床的地质特征、矿石物质组成、矿床稀土元素和稳定同位素特征及矿化时代进行了研究。 |
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In this paper, the authors study the basic contents of the mentioned elements and the principles of project implementation, and point out that the purpose of the paper is to standardize the project management and build up a scientific digitization product
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该文论述了这7大要素囊括的基本内容和实施的基本原则,并指出了研究图书馆信息资源数字化实施要素的目的在于规范项目管理,构建科学的数字化生产平台。 |
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In this paper, the authors used different gliding windows to perform Euler deconvolution on magnetic profile data or 2-D model, probed into the relationship between structure indices and solutions and the method for eliminating the poor solution on 2-D mo
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摘要为了利用欧拉反褶积进行快速计算,提出了多个大小不同的滑动窗口进行多次覆盖的算法,对高精度磁测剖面逐点反复计算,并根据统计学原理从大量计算结果中剔除坏解,保留合理的解;还根据2-D模型讨论了结构指数与欧拉反褶积的结果的关系。 |
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In this paper, the authors used such geophysical exploration methods as the high-precision geomagnetic method, the resistivity profiling method and the induced polarization method to synthetically study the exhausted areas of the Archean sedimentary metam
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摘要应用高精度磁法、电阻率剖面法、激发化法等常规地球物理勘查方法对冀东地区太古宙沉积变质铁矿采空区进行综合研究,建立冀东铁矿采空区有效的地球物理勘查组合模型,总结不同地质环境条件下各种地球物理勘查方法在冀东铁矿采空区勘探中的适用性和有效性。 |
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In this paper, the base coordinate is on the biped's pelvis, and an closed-form inverse kinematic solution is deduced.
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摘要在两足机器人的上身建立基坐标系,给出了一种解析方法,并用这种方法进行步态规划,通过仿真实验验证了该方法的正确性。 |
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In this paper, the basic design principles of experiment to determine seed storage behaviour and appropriate environments for seed storage were summarized.
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摘要简述了确定种子贮藏类型和适宜贮藏环境条件的基本实验设计思路。 |
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In this paper, the biodegradation of microcystins is reviewed including a discussion on microcystin - degrading bacteria, biodegradation pathway and its effect factors.
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从微囊藻毒素降解菌、降解途径和影响降解的因素三方面,对国内外微囊藻毒素生物降解的研究现状及发展趋势作一介绍。 |
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In this paper, the causes of noise para-normal in No4 air compressor station were analysed and eliminated. Good results have been achieved.
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摘要对空压站噪声超标的主要原因进行了分析,并进行了治理,取得了较好效果。 |
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In this paper, the cell basis for gene knock out. the construction of the vector for gene knock out and the screening of the embryonic stem cells where homologous recombination occured, the animal models made after gene knock out, gene knock out and gene
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从基因敲除的细胞基础、基因敲除载体的构建及发生同源重组干细胞的筛选、基因敲除动物模型的建立、基因敲除与基因拯救、国内基因敲除技术的研究现状等方面概括了基因敲除技术的研究进展和该技术目前存在的主要问题。 |
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In this paper, the centenary changes of the area in the Four-lake Area were studied by interpreting on the water resources map, relief map and images of remote sensing supported by GIS.
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在野外调查和历史文献分析的基础上,利用不同时期的水利图、地形图、遥感影像图作为基本信息源,在GIS技术支持下,提取湖泊面积信息,对四湖地区近百年湖泊水域变化进行了研究。 |
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In this paper, the challenge that diesel engines faces for meeting future emissions standards and the importance of the aftertreatment technology are presented.
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本文分析了目前柴油机面临的未来排放污染物标准的挑战以及后处理技术的必要性。 |