| 1. | Roughness comparison specimens . cast surfaces
表面粗糙度比较样块铸造表面 |
| 2. | Judge casting quality according to casting surface defect
根据铸件表面缺陷来判断铸件质量 |
| 3. | The distribution of physical quantity of 3 - d scalar field of casting surface can be observed visually using the technique to display the 3 - d scalar field
采用该技术来显示铸件各部位在凝固过程中各时刻的三维标量场，可以直观地观察铸件表面三维标量场物理量的分布情况。 |
| 4. | Especially the copper alloy casting and the production , compares other similar factories , has the craft advanced , the casting precision high , the casting surface quality is good and so on the characteristic , enjoys the high reputation in the east china area
尤为铜合金的铸造和生产，相比其他同类厂家，具有工艺先进、铸造精度高，铸件表面质量好等特点，在华东地区享有盛誉。 |
| 5. | The repairing methods of the cement concrete pavement are classified as four types : full depth replacing , crack casting surface covering and grout pouring . the repairing method and process and materials are studied . the effect of the repairing is also studied
本文针对不同的病害提出了全层置换、灌缝、薄层罩面和压浆四种修补方法，研究了这几种修补方法的工艺过程、修补材料和实际修补效果。 |
| 6. | All external casting surfaces of the pump / motor coming into contact with the pumped liquid shall have a surface cleanliness equal to that of a sspc - sp6 process prior to being factory protected by one ( 1 ) coat of an environmentally - safe machinery enamel coating with a high solids content
所有将会与泵吸液体接触的泵/电机外部铸件表面都应该具有符合或优于sspc - sp6标准的表面清洁功能，在出厂前就采用高度实心物质进行机械式搪瓷涂层、具有环保作用的一层涂层。 |
| 7. | Oxidation erosion , liquid aluminum erosion and the erosion mechanism of grey cast iron crucible for aluminum melting were described in detail . the methods such as alloying of as - cast surface for improving oxidation resistance of the grey cast iron crucible and both composition adjustment and infiltration protection for improving liquid aluminum erosion resistance of the crucible were introduced . the corrosion resistance and service life of grey cast iron crucible were improved effectively with these methods through decreasing various channels of erosion developing from the surface to the inner of crucible
详细论述了熔铝灰铁坩埚的氧化腐蚀、铝液腐蚀及其腐蚀机制，介绍了能够提高灰铁坩埚抗高温氧化能力的铸态表面合金化法和能够提高灰铁坩埚抗铝液腐蚀能力的调整成分法与浸渗保护法，这些方法通过减少腐蚀由坩埚表面向基体内部发展的各种“通道” ，有效地改善了灰铁坩埚抗腐蚀性能，提高了坩埚使用寿命。 |
| 8. | Abstract : oxidation erosion , liquid aluminum erosion and the erosion mechanism of grey cast iron crucible for aluminum melting were described in detail . the methods such as alloying of as - cast surface for improving oxidation resistance of the grey cast iron crucible and both composition adjustment and infiltration protection for improving liquid aluminum erosion resistance of the crucible were introduced . the corrosion resistance and service life of grey cast iron crucible were improved effectively with these methods through decreasing various channels of erosion developing from the surface to the inner of crucible
文摘:详细论述了熔铝灰铁坩埚的氧化腐蚀、铝液腐蚀及其腐蚀机制，介绍了能够提高灰铁坩埚抗高温氧化能力的铸态表面合金化法和能够提高灰铁坩埚抗铝液腐蚀能力的调整成分法与浸渗保护法，这些方法通过减少腐蚀由坩埚表面向基体内部发展的各种“通道” ，有效地改善了灰铁坩埚抗腐蚀性能，提高了坩埚使用寿命。 |
