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- oil sand core [机] 油砂心
- A water sensitivity experiment is made by using a freeze core sample and a compacted sample from a unconsolidated oil sand in 3 unconsolidated sandstone reservoirs A,B and C in Bohai Region. 利用渤海地区的A,B,C三个疏松砂岩油藏的冷冻取心岩样及松散油砂的压实岩样进行了水敏性试验研究。
- DP2、 D4 are mainly used for ramming sand core of small mould in foundry practice, whereas. D4型气动捣固机,主要用于铸造行业捣固砂芯或小砂型。
- Convert oil sands into distillate cost-effectively. 采用新的加氢裂化方法加工低硫馏出物。
- The relationship between calcium stearate and sand core as well as casting quality of cylinder head of diesel engine for example ... 同时,以柴油机缸盖砂芯和铸件为例,分析了硬脂酸钙与砂芯和铸件品质的关系。
- Sazhi oil sand mine is located at Sazhi anticline of the western margin of Yuanmou uplift belt in Chuxiong Basin. 摘要楚雄盆地洒芷油砂矿位于元谋隆起西部边缘洒芷背斜上。
- The sterane isomerization maturity parameter and alkylphenanthrene index indicate that the maturity of oil sand is low. 甾烷的异构化成熟度参数、甲基菲指数均显示油砂成熟度低。
- Teh suitable diluent and dilute sodium silicat were studied and developed. The productive testsshowed that the sand core possessed good strength and collapsibility. 通过对稀释水玻璃特点的研究,试验选定了一种稀释剂,研制出一种性能良好的稀释水玻璃,生产验证表明,用其制造的型芯具有良好的溃散性。
- Direct shell-making method was adopted in producing narrow flow-channel close impeller to avoid using water-soluble sand core and to reduce production cost. 生产封闭式窄流道叶轮,为降低成本,可避免使用水溶砂芯,采取直接制壳的方法。
- At the same surfactant concentration, the larger of molecular weight of the surfactant, the higher of its adsorbance on oil sand. 在相同活性剂浓度下,分子量越大,在油砂上吸附量越高。
- After the wettability of oil sand is changed to oil wetting with silicone oil, the adsorbance of surfactant would increase. 用硅油使油砂润湿改变后,表面活性剂在油湿性油砂的吸附比在水湿性油砂上吸附大。 分析了表面活性剂在油砂上出现最大吸附的机理,分两步建立了表面活性剂在大庆油砂上的吸附模型。
- Oil Sands and Heavy Oil Technologies Conference and Exhibition. 油砂和重油技术会议及展览。
- There are mans types of oil and gas shows on the ground, such as oil sand, pitchy, paraffin, mud volcano and oil hillock. 野外地质考察发现油气藏破坏的地面显示类型多样,主要有:油砂、固体沥青和石蜡以及泥火山或油墩子。
- In addition, there is a Faq-Glossary on the Athabasca Oil Sands. 同时附有一个阿萨巴斯卡油砂的常见术语表。
- And the Athabasca River cut out a channel through there, so that actually some of this oil sand was visible from the surface. 阿萨巴斯卡河通过那里时将一条河道截断了,所以实际上在地表就可以看见其中一些油砂。
- Replacing quartz sand with mullite sand, the high temperature intension of sand core can be improved, the burr defect is avoiding, the quality and life of track plate and pin are improved. 利用莫莱石砂替代石英砂生产履带板砂芯可提高其抗高温开裂强度,消除履带板销孔的脉纹铸造缺陷,提高履带板与履带销的质量与使用寿命。
- The oil sand bitumen was formed by the biologically degraded crude oil which originates from terrigenous organic matter. 结果表明,其为陆源湖相有机质生成的原油经生物氧化降解形成的。
- Description: foundry machine. castings. sand casting. sand mill. moulding machine. sand core machine. shot blasting machine. sand treatment equipment. sand box. vibrator. spray gun. hardware. valve. 铸造设备.;铸造器具
- Sand core of water jacket for 462Q engine cylinder bolck was made of phenolic aldehyde resin sand by hot boxprocess.Domestic ZZ8612 core machine was in priority chosed to design hot box. 选用酚醛树脂砂热芯盒法制作462Q气缸体水套砂芯,以国产ZZ8612射芯机作优先选用机型设计热芯盒,合理选择射砂方向及垂直分盒,确保细窄部位成型及砂芯的整体质量;
- Heavy oil and oil sand are tellurian resource of important oil gas, basically distributing to wait for a country in the United States, Venezuela, Canada, China, Indonesia. 重油和油砂是地球上的重要油气资源,主要分布在美国、委内瑞拉、加拿大、中国、印度尼西亚等国。
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