Now the oil price is falling like a stone. Will the Russian president be able to rely on patriotic mobilisation alone? 如今油价正直线下跌,这位俄罗斯总统能够单纯依赖于民众的爱国热情吗?
Huanxi heavy oil reservoir is a sand stone formation, with grain pores as the main storage space. 欢西稠油油藏为砂岩油气藏,是以颗粒孔隙为主的孔隙型储集层。
Heavy oil detergent, is suitable for stainless steel, all kinds of stone, plastic and tile surfaces. 重油污清洁剂,适合于不锈钢,各种石材,塑料及瓷砖表面。
In this paper, parameters to evaluate the dynamic mechanical property of oil well cement stone are determined to be elasticity modulus aod crashing absorption energy. 确定了水泥石的动态力学性能评价参数为水泥石的弹性模量和水泥石的破碎吸收能。
Field Study of Oil Tank Foundation Stabilized by Stone Columns 碎石桩加固油罐地基试验研究
Application of nerve network majorization in the forecast of oil stone ratio 优化神经网络在油石比预估中的应用
Development and Application of Fiber Oil-stone 陕北石油秩序纤维油石的开发与应用
The residual oil by polymer flooding process is mainly in sealed pores ( non-movable oil), micropores and surface of oil-wet stone ( condition movable oil). 聚合物驱后的剩余油主要是死孔隙中的不可动油和小孔隙以及吸附在亲油岩石表面的条件可动油;
This tech nology is significant to improve oil production from unconsolidated silty sand stone reservoir and to the field applications. 粉细砂岩油藏防砂工艺技术对于提高疏松砂岩粉细砂油藏产能及现场应用有重要的指导意义。
As oil well cement stone is a brittle material, its dynamic mechanical property differs remarkably from that of a static condition. 油井水泥石属于脆性材料,其在动态下的力学性能与静态下的情况相比有显著的差异。
On the basis of optimum oil stone ratio of 3 kinds of test projects, road performance were analyzed; 在这3种试验方案最佳油石比的基础上对沥青混合料的路用性能指标进行了试验分析;
The residual oil by water flooding process is mainly distributed in the un-swept area, the surface of oil-wet stone, sealed pore, micro pore, low permeability layer and partially blocked pore. 水驱剩余油主要分布在注入水未波及区、亲油岩石表面、死孔隙、狭小孔隙或低渗储集层以及部分堵塞的孔隙中;
STudy on the Method for Cleaning oil Stains on the Stone 石材表面油污斑的清洗研究
The mixed ratio of BUTON rock asphalt mixture with different proportion was designed, by the GTM experimental method. Then, the optimum proportion of the oil and stone, and the standard density were obtained. 利用GTM试验方法对掺加不同掺量布敦岩沥青的混合料进行了配合比设计,得出了最佳油石比和标准密度;
In addition, uranium vanadium ore, vanadate ore, crude oil, spent catelyst and stone coal are important source of vanadium production. 另外,铀钒矿、钒酸盐矿、原油、废催化剂、石煤也是生产钒的重要资源。
This paper aims at this situation and proposed a method to solve them. It attaches ultrasonic vibration on oil stone strip which causes high-frequency vibration to each abrasive when it grinding simultaneously. 本研究就是针对这种现状,将超声振动附加在珩磨油石条上,使得每一颗磨粒在磨削的同时进行高频振动,从而实现脉冲磨削,这就是功率超声振动珩磨技术。
The results shows that the new grinding fluid has good lubricating property, it has obvious superiority in working accuracy and in life of oil stone, therefore it is suitable to the power supersonic honing processing. 4. 完成了新型磨削液在功率超声珩磨中磨削性能的试验研究,研究结果表明:新型磨削液具有良好的润滑性能,在加工精度和油石寿命方面具有明显优势,因此适用于功率超声珩磨加工。
With the analysis of abrasive grain motion, this dissertation produced the material removing rate theoretical formula of power ultrasonic honing. The correlation experimental showed that the bigger the oil stone particle, the higher the grinding efficiency. 并在分析功率超声振动珩磨的磨粒运动的基础上,给出功率超声珩磨材料去除率的理论公式。