Prediction of Acid Rock Drainage ( ARD) Generation Potential in an Antimony Mining Area 锑矿区酸性岩排水产生潜力预测研究
Other researchers at the site had applied acid to dissolve the rock matrix in the laboratory, revealing the tiny phosphatized fossils. 同样地区也有其他研究者,在实验室中以酸溶掉岩石基质,找出了磷酸化的化石。
Tom likes acid rock very much. 汤姆相当喜欢现代摇摆音乐。
Experimental study on acid rock reaction dynamics for carbonate rock of No.1 Gas Field in Middle Tarim 塔中Ⅰ号气田碳酸盐岩储层酸岩反应动力学实验
Research on adsorption characteristics of weathered coal in acid decomposing phosphate rock system; 初步探讨了石油类污染物在黄土高原地区土壤中的吸附特性。
Reaction kinetics of the first stage in the process of urea sulfuric acid decomposing phosphorus rock; 对用脲硫酸溶液分解磷矿一步法制复混肥的工艺过程进行了系统研究。
Pressure decline curve analysis for acid fracturing in carbonate rock fractured reservoirs 碳酸盐岩裂缝性油藏酸压压降曲线分析
The stoichiometric coefficient of the reaction of acid with rock; 酸岩反应的化学计量系数;
Intermediate acid complex rock body is formed by mixing of mantle magma and crustal material. 中酸性杂岩体是地幔熔浆与壳源物质混杂形成;
It has good flocculating capability for the bentonite simulated sewage with pH value from 4 to 9, and can delay the reaction velocity of acid with rock effectively. 该聚合物的pH值在4~9范围内对膨润土模拟污水有很好的絮凝能力,并能满足目前油田中碳酸盐岩中高温油水井酸化缓速的要求。
With the increase of SiO2, from the basic volcanic rock to the acid volcanic rock, the fractional degree of HREE and LREE becomes more and more high. 从基性火山岩到酸性火山岩,随着SiO2的增加,轻重稀土分馏程度越来越高。
2, intermediate-acid volcanic rock or subvolcanic rock; 中酸性火山熔岩或次火山岩;
Show as a result: The acid liquid has good temperature-tolerance performance; it also can reduce the filtration efficiently and delay acid-rock reaction speed. 结果表明:研制的酸液体系具有良好的抗温性能,可有效地降低酸液滤失和延缓酸-岩反应速度。
The kinetic model of the acid& rock reaction is established based on unreacted shrinking core model, and it can describe the variation law of the loss quantity of the sand particles with time in the reaction process. 基于未反应收缩核模型,建立了描述酸岩反应的反应动力学模型,可描述酸岩反应过程中岩石颗粒的损失量随时间的变化规律。
At invariable temperature and pressure, changing the rotate speed, can mensurate acid/ rock reaction rate at different Reynolds number, then can calculate efficient coefficient of mass transfer of hydrion. 在温度、压力一定的条件下,改变岩盘转速,测定不同雷诺数下的酸岩反应速度,计算出氢离子有效传质系数。
It shows long core acidizing flow simulation test can better simulate the reaction between acid and rock on-site, and it is more suitable for acidizing fluid system selection and optimizing design. 表明长岩心酸化流动试验能更好地模拟现场酸化的酸/岩反应过程,是优选酸液体系和优化设计的最佳模拟方法。
Mechanism of the process of urea sulfuric acid decomposing phosphorus rock 脲硫酸分解磷矿反应过程及机理的研究
The total content of REE in the acid volcanic rock is high, being higher than the ∑ REE value of earth crust. 酸性火岩稀土总含量大,高于地壳的REE值。
The magma of acid volcanic rock mainly has the characteristics of crust source. 酸性火山岩岩浆则具有壳源性质。
Petrographic, Structural and Metallogenic Model of the Volcano-Tectonic Rent in the Acid and Intermediate Acidity Rock Terrain 酸性、中酸性岩区火山构造洼地岩相构造成矿(找矿)模式
This paper using acid/ rock reaction apparatus, making use of linear regression, at invariable temperature rotate speed and pressure, can gain the reaction rate-acid concentration relation, then establish kinetics equation. 文章根据自行研制的酸岩反应试验装置,利用线性回归方法,在定温度、定转速和一定压力下,求得反应速率与浓度关系,进而确定酸岩反应动力学方程;
To increase from the acid rock to the basic; 以岩浆岩为例,由酸性到基性波速呈增加趋势;
The application shows that this experiment and data processing method are useful and convenient and provide scientific foundation and new approach for carbonate acidizing design and study acid/ rock reaction law. 应用表明,该试验及其数据处理方法简便易行,可为碳酸盐岩酸化施工设计及分析酸岩反应规律提供科学依据和新的途径。
People did a lot of research on reaction mechanism of acid rock and acid fracturing design mathematical model in domestic and abroad, the main idea is to increase consideration, refining assumptions, seeking a more simple solution and so on. 国内外对于酸岩反应机理、酸压设计数学模型进行了大量的研究,其主要思路在于增加考虑因素、细化假设条件、寻求更为简单解法等方面。
Skarn deposit forms in contact section between acid intrusive rock and carbonate rock, while porphyry-type deposits and mid-low temperature heat vein type deposits related to postmagmatic hydrothermal. 与碳酸盐岩接触部位形成矽卡岩型矿床,岩浆期后热液形成斑岩型及中低温热液脉型矿床。
Phosphoric acid reactor where phosphate rock powder and sulphuric acid reacts with phosphoric acid, is one of the key equipment of its devices production process. 磷酸反应槽是磷酸装置生产工艺流程中的关键设备之一,磷矿粉与浓硫酸在反应槽内反应生成磷酸。