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- moulding sand cement 型砂水泥
- Reducing expansion stress of the moulding sand and increasing wet tensile strength of moulding sand are the main measures to prevent scab defect. 防止夹砂缺陷的主要措施是降低型砂的膨胀应力和提高型砂的热湿拉强度。
- A new kind of moulding sand adhesive used for casting industry was prepared from distillation test residue of cottonseed oil fatty acid. 采用精制棉油脂肪酸蒸馏过程中排出的蒸馏残渣为原料,制备一种新型型砂铸造用粘结剂。
- It can crush waste sand packet of gummy sand,waterglass sand and babed mould sand,etc,and make them regenerate. 而且针对树脂砂,水玻璃砂等有机残留物(惰性膜)有搓磨破碎达到脱膜去膜的作用。
- When using in moulding sand, it can promote oriental solidification of castings and prevent burn-on and sand inclusion of castings, and improve roughness of castings. 在铸造生产中可以促进铸件的方向性凝固，防止粘砂、夹砂等铸造缺陷和改善铸件表面粗糙度。
- When the moulding technological test is carried out on the air impulse test moulding machine, the moulding sand employed is the sand used by Nanchang Diesel Factory for high-pressure moulding. 原文:利用气流冲击试验机进行造型工艺试验,使用的型砂为南昌柴油机厂高压造型用砂。
- The technical principle of the intelligent high speed tester for solidity of moulding sand is described briefly. The design, calibration and application results of the tester are introduced. 简述型砂紧实率快速智能测试仪的技术原理，介绍了测试仪的设计、定以及应用效果。
- This system can be used to test the properties of the moulding sand on line, such as sand compactability, green compressive strength, and sand temperature, and to control the actual. 该系统能够用于在线检测型砂的紧实率、湿压强度和砂温等性能,并且能够根据检测结果通过控制补加水量将型砂紧实率控制在设定的工艺范围之内。
- The effect of polypropylene fibre and polymer latex on dry-shrinkage performance of sanded cement grout is researched. 考察了聚丙烯纤维和聚合物乳液掺加量对水泥砂浆干缩性能的影响。
- Concrete is made of cement, sand, stone and water. 混凝土是由水泥，砂子石头和水混合做的。
- The triaxial mechanics properties of a resin sand at elevated temperature are revealed through the recently developed trixaial apparatus for moulding sands. 利用新研制的型砂高温三轴测试手段，首次测定了常用树脂型砂在围压作用下的高温三轴力学性能。
- Preparation of a novel moulding sand adhesive 一种新型型砂粘结剂的制备
- Sodium alkyl sulfonate moulding sand 烷基磺酸钠型砂
- moulding sand covering on the permanent mold 金属型覆砂
- Method of controlled strain rate was used to measure failure of various moulding sands at elevated temperature, and all curves of stress-strain of moulding sands are obtained. 采用控制应变速率的方法测试了不同型砂高温下的破坏方式,从而获得了型砂全程应力-应变曲线;
- The building is made of hydraulic cement. 大楼是用水硬水泥建造的。
- Cement output next year would be57 million tons. 明年的水泥产量(将)有5700万吨。
- Keywords compound carbon powder;mould sand;seacoal; 复合碳粉;型砂;煤粉;
- The front of the brick house was faced with cement. 这栋砖房的正面抹了一层水泥。
- Ouch! The sand is so hot! I can burn my feet. 哎哟！沙子这么烫！会烫伤脚的。
