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- The deep origin of ore forming is a new theory for prospcting in situ leachable sandstone type uranium. 深源成矿论是可地浸砂岩型铀矿地质找矿的一种新思路,在松辽盆地南部铀矿勘查中得到了较好的应用。
- The paper analyes interation process among shear, fluid and ore forming process, and discuss the ore forming mechanism. 还对剪切-流体-金矿化相互作用的过程进行了分析,对矿区的成矿机理进行了初步探讨。
- NNE Kuerbin crustal fault and its secondary fault anr the important conditions for ore forming. NNE向库尔滨壳断裂及其次级断裂为成矿的重要地质条件。
- Therefore,the thermoluminescence of Calcite could serve as aindicator of identifying ore forming stages. 方解石热发光曲线特征可作为矿区成矿阶段划分的一个重要标志。
- The detailed study of some mechanical parameters and forming theory of arch cold forming are introduced. 本文重点研究与冷弯成拱过程有关的力能参数及冷弯成拱原理。
- The variation of type of gold deposits in Wutai area shows complexities of ore forming process in Early Precambrian period. 本区早前寒武纪多类型金矿床的形成 ,表明了五台地区早前寒武纪金矿成矿作用的复杂性和矿床成因的多样性 ,也为认识我国早前寒武纪金矿成矿作用特点创造了极为有利的条件。
- The mag matic water is a component of ore forming hydrothermal water.And the gold mater ial sources stem from the wall rock and the granite. 认为在热液蚀变作用过程中,稀土元素保持惰性,成矿热液与岩浆热液有关,赋矿围岩及矿区花岗岩提供了成矿物质。
- The conclusion is reached that interforma-tional slip of country rocks is an effective mechanism for ore forming element activation and reenrichment. 并且认为含矿围岩的层间滑动是成矿元素后期活动再富集的有效机制。
- It has more intensive realistic sense for analyzing the ore forming geological features of black talc and making application study on the black talc. 分析黑滑石的成矿地质特征,进行黑滑石的应用研究具有较强的现实意义。
- The existing means of finite-element method is based on the classic forming theory, so it needs to be improved to simulate the micro forming. 传统有限元分析方法是建立在经典塑性理论基础之上的,需要改进才能对微塑性成形过程进行模拟。
- Qinling is an intracontinental polycyclic complex collision orogen, and also is one of the most important polymetallic ore forming belts. 秦岭造山带是一个多旋回复合大陆碰撞造山带;是我国重要的多金属成矿带之一.
- The paper deals with geochemical characteristics of ore forming and halo forming processes of Au deposits with several metallogenic stages. 论述了金矿多期多阶段叠加成矿成晕的地质地球化学特征。
- There are favorable ore forming geological conditions for the Bengbu uplifting area,which,however,is severely covered with the Quaternary System with bedrocks sparsely outcropped. 蚌埠隆起区成矿地质条件有利,第四系覆盖严重,基岩露头零星,运用综合信息矿产预测理论可以指导本区地质找矿工作。
- From the point of view of geochemistry, the regularity of migration and enrichment of ore forming elements during migmatization is discussed in this paper. 从成矿作用地球化学的观点;探讨了元素在混合岩化过程中迁移;富集成矿的规律.
- Through studying the known gold ore spots in Yanggao region,the source of ore forming material,genetic types and controlling factors of different level faults are indicated. 通过对阳高地区已知金矿点的研究,指出该区金矿的物质来源、成因类型以及不同级别断裂对金矿形成的控制作用。
- Using metal plasticity forming theory, by the technology calculation of sulfur hexafluoride breaker shell flanging, a technology calculation method was introduced about pre-punching flanging. 运用金属塑性成形原理,通过六氟化硫断路器壳体孔翻边的工艺计算,介绍了一种曲面孔翻边预冲孔的一种近似工艺计算方法。该方法适用于同类零件的工艺计算及模具设计。
- Method of assessing ore reserves based on theory of ore forming 基于成矿理论的矿体储量评估方法探讨
- Cantor set is the classic deputy of disport form theory ,Cantor set has some complete characters ,such as complete、self-similar and etc.So many researchers have a great interests in Cantor set. 康托尔集合是分形理论的典型的代表,由于康托尔集具有完备性,自相似性等比较全面的性质,一直是数学界广大学者广泛探究的兴趣所在。
- Its geochemical feature indicates that ore forming elements mainly comes from stratum and rock of pre Devonian period and ore forming solution is complex fluid of syngenetic water, metamorphic water and meteoric water. 矿床的地质地球化学特征表明,成矿物质主要来自前泥盆纪基底的地层和岩石,成矿溶液主要为盆地同生水与变质水及大气降水的混合流体。
- The ore is smelted in this large factory. 这个大型工厂里熔炼矿石。
