您要查找的是不是：
- A frame for holding a sand mold in a foundry. 砂箱铸造车间内保持砂模用的框架
- oil sand mold [机] 油砂模
- Abstract: One method to make casting sand mold directly from the bozzetto(mud-draft) of the sculpture is introduced. 文摘:介绍一种在雕塑泥稿外直接制作铸造砂型的方法。
- The medium chromium white cast iron has been pouring by green sand mold, and the effect of Cr? Si? Mn? 应用湿砂铸型浇注中低铬白口铸铁 ,采用正交试验研究Cr、Si、Mn、Cu对铸态中低铬白口铸铁力学性能的影响。
- Convert oil sands into distillate cost-effectively. 采用新的加氢裂化方法加工低硫馏出物。
- One method to make casting sand mold directly from the bozzetto(mud-draft) of the sculpture is introduced. 介绍一种在雕塑泥稿外直接制作铸造砂型的方法。
- EPC has larger resistance than that of sand mold casting in pouring process, and need double pouring time. 在相同浇注条件下,实型铸造的充型阻力较砂型铸造的大,浇注时间增加约一倍;
- Coating of sodium silicate alumina caly for aluminium alloy casting in green sand mold is studied. 试验研究了应用于湿砂型铝合金铸件的以水玻璃为基、铝钒土为耐火填料的徐料。
- 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。
- The effect of boron-containing modifier on the properties of aluminum phosphate binder and heat-curing sand mold are studied. 摘要研究了含硼改性剂对铝磷酸盐粘结剂理化性能及热硬砂性能的影响。
- The abnormal structure usually appears at the surface layer of nodular iron castings produced by furan-sulfonic acid cured sand mold. 本实验研究查明,当用甲苯磺酸作催化剂的呋喃树脂自硬砂生产稀土镁球铁件时,通常在其铸件表层出现异常组织。
- Oil Sands and Heavy Oil Technologies Conference and Exhibition. 油砂和重油技术会议及展览。
- 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。
- In order to improve the abrasion-resistant on the casting surface, the low-Cr cast iron matrix composite reinforced by WC particles in sand mold was made in the experiment. 摘要为了提高铸件表面的耐磨性，实验以低铬铸铁为基体，WC颗粒为增强体，制备出颗粒增强表面耐磨复合材料。
- 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。
- For martensitic high chromium cast iron, whether pre-impact or after impact, the metal mold cast one has better wear resistance than the sand mold cast one. 结果表明:当基体同为马氏体时,金属型高铬铸铁的耐磨性在冲击前、后都比砂型高铬铸铁好,冲击作用使金属型高铬铸铁的耐磨性略有降低而对砂型高铬铸铁的耐磨性影响较小;
- 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。
- 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。
- 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。
