Rock burst is a kind of catastrophe during the excavation in underground projects. It is a process of energy release and rock block casting.
岩石冲击是地下工程开挖过程中的一种灾害，它在抛掷岩石过程中，表现出能量释放现象。
The numerical simulation of thermal stresses and deformation of an engine cylinder block casting was carried out by FDM/FEM integrated system.
对发动机气缸体铸件从浇注完到开箱落砂后的铸造过程应力场进行计算机数值模拟。
The test of water simulation on the original running system verifies shows that unreasonable original running system causes blow hole in 495A diesel engine block casting.
通过对缸体原浇注工艺的水力模拟，发现原浇注工艺不合理是造成495A缸体产生缺陷的主要原因。
Inferring from the flaw detection of X-ray, the sword possibly first forged the body by block casting iron, then cast the bronze handle, at last cast together to shape the sword.
从X射线探伤分析的情况推测，它很可能是先用块炼铁锻制刀身，之后再浇铸铜柄，而合铸成型的。
The article described the block casting technology by which the investment flying copper horse was made. The technology can keep the art results of the handicraft artical exactly.
采用蜡模、整体铸造工艺品铜奔马的铸造工艺，较好地保证其整体效果。
If the casting is taken out from the moving die, long distance core pulling is needed according to the shape of the casting, so the mechanism of the sliding block which rotates midway was designed.
根据铸件形状特点，若在动模内取出铸件，需长距离抽芯，故设计了滑块中途自行转动机构。
The whole block material solid casting, to avoid the caused by vibration, strong external forces such as sake of sealing, the influence of the bearing.
整块材料坚固的铸造，避免了因振动、强外力等缘故造成对密封、轴承的影响。
The experiment shows that adopting protective casting technology can reduce reoxidation and improve the internal and surface quality of block.
试验结果表明采用钢包注流保护浇注技术可降低二次氧化，提高铸坯内在和表面的质量。
Conclusion Vascular corrosion casting of facial artery with latex has advantages on main arteries and its first or second branches in large block of soft tissue.
结论液态乳胶对反映大块组织中较粗的血管及其一、二级分支有其长处，故较适合面动脉及其分支的铸型。
The protective dregs of the continuous casting crystallizer appreciably affect the quality of the casting block surface.
连铸结晶器保护渣对铸坯表面质量具有显著影响。
Any of these countries can block a proposal by casting a negative vote, even if the other four permanent and all non-permanent members vote in favour.
任何一个常任理事国家投反对票，就能阻止提案通过，即使其余4个常任理事国和所有非常任理事国都投赞成票也不行。
The features of cylinder block and cylinder head core assembly vertical casting process are introduced.
介绍了缸体、缸盖组芯立浇工艺的特点。
Analysis is done to the causes of reject A30 block with sand inclusion, i. e. the elements of molding sand feature; cast structure, casting speed and arrangement for casting system, etc.
对A30气缸体夹砂废品产生的原因，即型砂性能、铸件结构、浇注速度、浇注系统的布置等方面的要素进行了分析。
The resin of the present invention may be used in manufacturing grinding resin wheel, brake block, molded plastic and fiber reinforced composite material and in casting.
本发明的树脂可用于树脂砂轮、刹车片、酚醛模塑料和纤维增强复合材料的制造中以及铸造领域。
The slag-adjusting agent has the function of slag adjust. deoxidation, desulfurization and encrusting matter removal in steel so that it has greatly improved the quality of casting block.
由于该调渣剂有改渣、脱氧、脱硫及去除钢渣中夹杂物的作用，因此大大改善了铸坯质量。
The slag-adjusting agent has the function of slag adjust. deoxidation, desulfurization and encrusting matter removal in steel so that it has greatly improved the quality of casting block.
由于该调渣剂有改渣、脱氧、脱硫及去除钢渣中夹杂物的作用，因此大大改善了铸坯质量。
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