sand core的例句大全

The main dam of Qingfengling reservoir is designed as core shell sand dam, and some problems caused by construction material exist here.

青峰岭水库主坝为宽心墙砂壳坝，存在着由于筑坝材料引起的坝体质量问题。

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Method and application of manufacturing hydroxyl acid from used oil for mold and core sand binder is introduced. These oil include motor oil, insulating oil, diesel oil, turbine oil, cylinder oil, etc.

介绍了一种用机械油、绝缘油、柴油机油、汽轮机油、汽缸油等各种废油制作羟基酸的方法及其作为型（芯）砂粘结剂的应用。

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The factors affecting the compacting in negative pressure sand filling moulding and in core making for resin-bonded sand have been studied.

研究了影响树脂砂负压填砂造型和制芯紧实的因素。

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The inspection results indicated that the uniform diameter of pure sand-gravel columns in mud and silt reached 55~ 82 cm, and the boring core sample strength of grouting column reached 4.3~ 11.4 MPa at the age of 28 d.

检测结果表明，挤入淤泥和粉土中的纯砂砾柱平均直径达到55~82cm，28d龄期时水泥砂砾灌浆体取芯的抗压强度达到4.3~11.4MPa。

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A Study on Alcohol-Base Ti Slag Coating Used for Cold-Setting Furan Resin Sand Mould ( Core) for Heavy Castings

大型铸铁件呋喃树脂自硬砂型（芯）用醇基钛渣涂料的研究

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The weight loss of core sand after immersion in test solution is of < 7% and> 60%;

储层水敏岩心在HDS01和SSN13溶液中的失重率分别为60%；

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The molding sand that there is pile in the housing of engine and cast core iron.

发动机的机壳里有大堆的型砂和铸造芯铁.

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Indirect TL dating of bronze with their thermoluminescent clay/ sand-cores

利用陶范或砂范对青铜器进行间接热释光断代

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All I need to do is scrape this core sand out and there will be a nice straight bore through the casting.

所有我需要做的就是这个核心刮砂的，将有一个很好的通过铸造直孔。

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The experiment of breaking the ranks and the thermogravimetric analysis show that the phenol formaldehyde resin begins to decompose when the temperature is above 500 degree centigrade, which make the sand-core break the ranks.

溃散性试验和TG分析结果表明，三种覆膜砂表面的酚醛树脂均在500℃以上产生分解，从而使泥芯产生溃散。

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Research and Application on Starchy Binder for Core Sand

砂芯用干粉粘结剂的研究与应用

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The kinetic model of the acid& rock reaction is established based on unreacted shrinking core model, and it can describe the variation law of the loss quantity of the sand particles with time in the reaction process.

基于未反应收缩核模型，建立了描述酸岩反应的反应动力学模型，可描述酸岩反应过程中岩石颗粒的损失量随时间的变化规律。

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Clean process of animal protein glue mold and core sand foundry

铸造动物蛋白质胶型芯砂的清洁生产工艺

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Especially in recent years, with the organic binder of the widely used, so that a large number of resin core sand mixed in the used clay sand, and take shape the clay ( mixed) used sand.

尤其是近年来，随着有机粘接剂的广泛应用，使粘土旧砂中混入了大量的树脂芯砂，形成粘土（混合）旧砂。

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by decreasing the grade of cast iron, using furan resin selfsetting sand as a substitute for clay sand to make the core and prolonging cooling time in mould, the cracking problem has been solved.

通过降低材料牌号，使用呋喃树脂自硬砂取代粘土制芯，延长铸件在型内冷却时间，使裂纹缺陷问题得到解决。

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Improvement of Useful Life of the Core Sand Mixture in SO_2 Cold-Box Process

净钝化原砂，提高SO2冷芯盒法芯砂有效期的研究

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Because of bad working conditions, the flowing components are weared very serious in the mud sand pump of the sand mining ship and the slurry pump which is used desilting. The impeller which is the core components in the pump was weared the most outstanding.

采砂船上的泥沙泵和清淤用的渣浆泵由于工况恶劣，泵的过流部件磨损非常严重，其核心部件叶轮的磨损最为突出。

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the development and application of the new light-colored coating for resin-bonded sand mold and core for aluminium casting

铝铸件树脂砂型芯用新型涂料的研制和应用

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the prevention of lift core defects of green sand mold steel casting

湿型铸钢件偏芯缺陷的防止

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soil squeezing effect of concrete-cored sand-gravel piles and excess pore water pressure dissipation

混凝土芯砂石桩的沉桩挤土效应及超孔隙水压力变化

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