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- Deficient floor slope angle of an ore body often needs to dig a drift (or access) in its footwall rock when adopting non-pillar sublevel caving following-vein excavation. 采用沿脉布置的无底柱分段崩落法,当矿体底板倾角不足时,需要在下盘岩石中开掘进路。
- This article introduces mainly calculation of a slanting angle of crankshaft clamping with the analysis method in machining crankshaft oblique oil hole. 主要介绍在加工发动机曲轴斜油孔时,用解析法计算曲轴装夹时所倾斜的角度。
- The simulation of ore body using computer technology is of significance to the design of mining exploitation design. 摘要利用计算机技术进行矿体形态的模拟对指导矿山开采设计具有重要的意义。
- Contour map of ore body has got used widly, but there are some specious questions existing in its application. 矿体等高线图是应用广泛的图件,同时似是而非的问题也随之出现。
- The geochemical character of ore body is analyzed in this paper. The authors point out that As is the best ore hunting indication element in soil halo. 对哲波山微细浸染型金矿床地球化学特征进行初步的研究得出 :矿床次生晕中 Au,As关系密切 ,As是最佳指示元素 ; 矿床原生晕特征在不同的成矿阶段表现出不同的特征。
- The stability of skarn in the soleplate of ore body is bad and the mining ground pressure is serious in Xishimen iron ore mine. 鲁中小官庄铁矿由于埋藏深、地压大、矿体倾角比较缓、矿岩破碎,是国内有名的难采矿山之一。
- slanting angle of sleeve centre line 袖中线倾斜角
- This paper analyses the geological survey,the geological characteristics of ore deposite,ore body characteristics,prospecting symbols and origin of ore deposit. 叙述了鲁中冶金矿业集团公司小官庄铁矿矿床的地质概况及特征、矿体特征、找矿标志和矿床成因。
- The slant angles of hackle cross section affecting PC melt conveying performance were also researched. 对于锯齿形断面螺杆以锯齿形的倾斜角度为变量,分析了两侧面分别呈锯齿形断面的螺杆对PC熔体输送性能的影响。
- A small body or accumulation of ore. 矿坑小矿体或矿石的堆积
- She hit her knee against the angle of the bed. 她的膝盖撞到床角上了。
- There are pockets of ore in the mountain. 那座山里有好几块矿藏。
- Abstract: In this paper, geology of ore deposits, techni c al conditions, mining methods and blasting parameters of in-situ leaching uraniu m after blasting for an outcrop ore body are introduced. 文摘:介绍了某铀矿体原地爆破浸出的矿床地质,技术条件,采矿方法选择及爆破参数。
- There are streaks of ore in the mountains. 这山里有矿脉。
- In this paper,geology of ore deposits,techni c al conditions,mining methods and blasting parameters of in-situ leaching uraniu m after blasting for an outcrop ore body are introduced. 介绍了某铀矿体原地爆破浸出的矿床地质,技术条件,采矿方法选择及爆破参数。
- The basic principles of the topographic simulation by binary interpolation formula and the ore body bottom and ore body thickness simulation by trend equation were analyzed, and the random formation of schematic section view of ore body was illustrated. 论述了二元插值公式对地形进行模拟、势方程对矿体底板和矿体厚度进行模拟的基本原理,并结合实例对矿体示意剖面的随机生成进行了说明。
- A rich mine, vein, or pocket of ore. 富矿脉富矿坑、脉、囊
- There are a lot of tellurium minerals in them, such as petzite, calaverite, hessite, altaite, tellurbismuth, rucklidgeite and sylvan.The grade of some section of ore body is up to industrial grade. 金矿床中含有大量的碲化物,如碲金银矿、碲金矿、碲银矿、碲铅矿、碲铋矿、碲铅铋矿和自然碲,部分矿段的品位达到碲的工业品位要求。
- Abstract: In this paper,geology of ore deposits,techni c al conditions,mining methods and blasting parameters of in-situ leaching uraniu m after blasting for an outcrop ore body are introduced. 文摘:介绍了某铀矿体原地爆破浸出的矿床地质,技术条件,采矿方法选择及爆破参数。
- The earth's axis is titled at an angle of about 231. 地轴倾斜成约二百三十一度角。